[RFC PATCH 21/21] Introduce support for the Meson build system

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Introduce support for the Meson build system, a "modern" meta build
system that supports many different plaforms, including Linux, macOS,
Windows and BSDs. Meson supports different backends, including Ninja,
Xcode and Microsoft Visual Studio. Several common IDEs provide an
integration with it.

The biggest contender compared to Meson is probably CMake as outlined in
our "Documentation/technical/build-systems.txt" file. Based on my own
personal experience from working with both build systems extensively I
strongly favor Meson over CMake. In my opinion, it feels significantly
easier to use with a syntax that feels more like a "real" programming
language. The second big reason is that Meson supports Rust natively,
which may prove to be important given that the project is likely to pick
up Rust as another language eventually.

Using Meson is rather straight-forward. An example:

    ```
    # Meson uses out-of-tree builds. You can set up multiple build
    # directories, how you name them is completely up to you.
    $ mkdir build
    $ cd build
    $ meson setup .. -Dprefix=/tmp/git-installation

    # Build the project. This also provides several other targets like
    e.g. `install` or `test`.
    $ ninja

    # Meson has been wired up to support execution of our test suites.
    # Both our unit tests and our integration tests are supported.
    # Running `meson test` without any arguments will execute all tests,
    # but the syntax supports globbing to select only some tests.
    $ meson test 't-*'
    # Execute single test interactively to allow fordebugging.
    $ meson test 't0000-*' --interactive --test-args=-ix
    ```

The build instructions have been successfully tested on the following
systems. Tests are mostly passing:

  - Apple macOS 10.15.
  - FreeBSD 14.1, except gitweb-based tests.
  - NixOS 24.11.
  - Ubuntu 24.04.
  - Windows 10 with Cygwin, using `-Dperl=disabled -Dpython=disabled`,
    except for t0052, t0301, t5500, t5572, t5601.
  - Windows 10 with MinGW64, using `-Dperl=disabled -Dpython=disabled`,
    except for t7300.

It is expected that there will still be rough edges in the current
version. If this patch lands the expectation is that it will coexist
with our other build systems for a while. Like this, distributions can
slowly migrate over to Meson and report any findings they have to us
such that we can continue to iterate. A potential cutoff date for other
build systems may be Git 3.0.

Some notes:

  - The installed distribution is structured somewhat differently than
    how it used to be the case. All of our binaries are installed into
    `$libexec/git-core`, while all binaries part of `$bindir` are now
    symbolic links pointing to the former. This rule is consistent in
    itself and thus easier to reason about.

  - We do not install dashed binaries into `$libexec/git-core` anymore.
    So there won't e.g. be a symlink for git-add(1). These are not
    required by modern Git and there isn't really much of a usecase for
    those anymore. By not installing those symlinks we thus start the
    deprecation of this layout.

  - Support for installing documentation has not been wired up yet. This
    will follow if the project can agree on Meson as build system.

  - Support for Microsoft Visual Studio has not yet been tested, mostly
    because I have been fighting with the Windows-based systems for a
    long while already. This will follow if the project can agree on
    Meson as build system

  - Documentation does not yet exist. Same here, it will follow if the
    project can agree on Meson.

  - We're targeting a relatively-recent Meson 1.3.0, which has been
    released November 2023. The only feature we use from that version is
    `fs.relative_to()`, which we could replace if necessary. If so, we
    could start to target Meson 1.0.0 and newer, released in December
    2022.

  - The whole build instructions count around 3000 lines, half of which
    is listing all of our code and test files. Our Makefiles are around
    5000 lines of, autoconf adds another 1300 lines. CMake in comparison
    has only 1200 lines of code, but it avoids listing individual files
    and does not wire up auto-configuration as extensively as the Meson
    files do.

  - I didn't yet port the workaround for the `gettext` package in
    Homebrew being key-only over. Users have to manually add CFLAGS and
    LDFLAGS for that library to work around this issue with Homebrew.

Signed-off-by: Patrick Steinhardt <ps@xxxxxx>
---
 bin-wrappers/meson.build           |   28 +
 contrib/completion/meson.build     |    8 +
 contrib/meson.build                |    1 +
 gitweb/meson.build                 |   32 +
 gitweb/static/meson.build          |   28 +
 meson.build                        | 1567 ++++++++++++++++++++++++++++
 meson_options.txt                  |   67 ++
 perl/FromCPAN/Mail/meson.build     |    7 +
 perl/FromCPAN/meson.build          |    9 +
 perl/Git/LoadCPAN/Mail/meson.build |    7 +
 perl/Git/LoadCPAN/meson.build      |    9 +
 perl/Git/SVN/Memoize/meson.build   |    7 +
 perl/Git/SVN/meson.build           |   20 +
 perl/Git/meson.build               |   18 +
 perl/meson.build                   |   18 +
 po/meson.build                     |   28 +
 t/helper/meson.build               |   91 ++
 t/meson.build                      | 1107 ++++++++++++++++++++
 templates/hooks/meson.build        |   24 +
 templates/info/meson.build         |    5 +
 templates/meson.build              |    8 +
 21 files changed, 3089 insertions(+)
 create mode 100644 bin-wrappers/meson.build
 create mode 100644 contrib/completion/meson.build
 create mode 100644 contrib/meson.build
 create mode 100644 gitweb/meson.build
 create mode 100644 gitweb/static/meson.build
 create mode 100644 meson.build
 create mode 100644 meson_options.txt
 create mode 100644 perl/FromCPAN/Mail/meson.build
 create mode 100644 perl/FromCPAN/meson.build
 create mode 100644 perl/Git/LoadCPAN/Mail/meson.build
 create mode 100644 perl/Git/LoadCPAN/meson.build
 create mode 100644 perl/Git/SVN/Memoize/meson.build
 create mode 100644 perl/Git/SVN/meson.build
 create mode 100644 perl/Git/meson.build
 create mode 100644 perl/meson.build
 create mode 100644 po/meson.build
 create mode 100644 t/helper/meson.build
 create mode 100644 t/meson.build
 create mode 100644 templates/hooks/meson.build
 create mode 100644 templates/info/meson.build
 create mode 100644 templates/meson.build

diff --git a/bin-wrappers/meson.build b/bin-wrappers/meson.build
new file mode 100644
index 0000000000..6d03a19d7b
--- /dev/null
+++ b/bin-wrappers/meson.build
@@ -0,0 +1,28 @@
+bin_wrappers_config = configuration_data()
+foreach key, value : {
+      'BUILD_DIR': meson.project_build_root(),
+      'MERGE_TOOLS_DIR': meson.project_source_root() / 'mergetools',
+      'TEMPLATE_DIR': meson.project_build_root() / 'templates',
+      'GIT_TEXTDOMAINDIR': meson.project_build_root() / 'po',
+      'GITPERLLIB': meson.project_build_root() / 'perl/lib',
+}
+  # Paths need to be Unix-style without drive prefixes as they get added to the
+  # PATH variable. And given that drive prefixes contain a colon we'd otherwise
+  # end up with a broken PATH if we didn't convert them.
+  if cygpath.found()
+    value = run_command(cygpath, value, check: true).stdout().strip()
+  endif
+  bin_wrappers_config.set(key, value)
+endforeach
+
+foreach executable : bin_wrappers
+  executable_config = configuration_data()
+  executable_config.merge_from(bin_wrappers_config)
+  executable_config.set('PROG', fs.relative_to(executable.full_path(), meson.project_build_root()))
+
+  configure_file(
+    input: 'wrap-for-bin.sh',
+    output: fs.stem(executable.full_path()),
+    configuration: executable_config,
+  )
+endforeach
diff --git a/contrib/completion/meson.build b/contrib/completion/meson.build
new file mode 100644
index 0000000000..a9bfe2da31
--- /dev/null
+++ b/contrib/completion/meson.build
@@ -0,0 +1,8 @@
+foreach script : [
+  'git-completion.bash',
+  'git-completion.tcsh',
+  'git-completion.zsh',
+  'git-prompt.sh'
+]
+  test_dependencies += fs.copyfile(script)
+endforeach
diff --git a/contrib/meson.build b/contrib/meson.build
new file mode 100644
index 0000000000..a7b77b87c2
--- /dev/null
+++ b/contrib/meson.build
@@ -0,0 +1 @@
+subdir('completion')
diff --git a/gitweb/meson.build b/gitweb/meson.build
new file mode 100644
index 0000000000..f9c3a76647
--- /dev/null
+++ b/gitweb/meson.build
@@ -0,0 +1,32 @@
+configure_file(
+  input: 'gitweb.perl',
+  output: 'gitweb.cgi',
+  configuration: {
+    'GIT_VERSION': meson.project_version(),
+    'GIT_BINDIR': get_option('prefix') / get_option('bindir'),
+    'GITWEB_CONFIG': get_option('gitweb_config'),
+    'GITWEB_CONFIG_SYSTEM': get_option('gitweb_config_system'),
+    'GITWEB_CONFIG_COMMON': get_option('gitweb_config_common'),
+    'GITWEB_HOME_LINK_STR': get_option('gitweb_home_link_str'),
+    'GITWEB_SITENAME': get_option('gitweb_sitename'),
+    'GITWEB_PROJECTROOT': get_option('gitweb_projectroot'),
+    'GITWEB_PROJECT_MAXDEPTH': get_option('gitweb_project_maxdepth'),
+    'GITWEB_EXPORT_OK': get_option('gitweb_export_ok'),
+    'GITWEB_STRICT_EXPORT': get_option('gitweb_strict_export'),
+    'GITWEB_BASE_URL': get_option('gitweb_base_url'),
+    'GITWEB_LIST': get_option('gitweb_list'),
+    'GITWEB_HOMETEXT': get_option('gitweb_hometext'),
+    'GITWEB_CSS': get_option('gitweb_css'),
+    'GITWEB_LOGO': get_option('gitweb_logo'),
+    'GITWEB_FAVICON': get_option('gitweb_favicon'),
+    'GITWEB_JS': get_option('gitweb_js'),
+    'GITWEB_SITE_HTML_HEAD_STRING': get_option('gitweb_site_html_head_string'),
+    'GITWEB_SITE_HEADER': get_option('gitweb_site_header'),
+    'GITWEB_SITE_FOOTER': get_option('gitweb_site_footer'),
+    'HIGHLIGHT_BIN': get_option('highlight_bin'),
+  },
+  install: true,
+  install_dir: get_option('datadir') / 'gitweb',
+)
+
+subdir('static')
diff --git a/gitweb/static/meson.build b/gitweb/static/meson.build
new file mode 100644
index 0000000000..1bdbe70d2d
--- /dev/null
+++ b/gitweb/static/meson.build
@@ -0,0 +1,28 @@
+foreach asset : [
+  'git-favicon.png',
+  'git-logo.png',
+  'gitweb.css',
+]
+  fs.copyfile(asset,
+    install: true,
+    install_dir: get_option('datadir') / 'gitweb/static',
+  )
+endforeach
+
+javascript_sources = [
+  meson.current_source_dir() / 'js/adjust-timezone.js',
+  meson.current_source_dir() / 'js/blame_incremental.js',
+  meson.current_source_dir() / 'js/javascript-detection.js',
+  meson.current_source_dir() / 'js/lib/common-lib.js',
+  meson.current_source_dir() / 'js/lib/cookies.js',
+  meson.current_source_dir() / 'js/lib/datetime.js',
+]
+
+custom_target(
+  input: javascript_sources,
+  output: 'gitweb.js',
+  capture: true,
+  command: ['cat'] + javascript_sources,
+  install: true,
+  install_dir: get_option('datadir') / 'gitweb/static',
+)
diff --git a/meson.build b/meson.build
new file mode 100644
index 0000000000..b6f875daba
--- /dev/null
+++ b/meson.build
@@ -0,0 +1,1567 @@
+project('git', 'c',
+  version: run_command('GIT-VERSION-GEN', check: true).stdout().strip(),
+  meson_version: '>=1.3.0',
+)
+
+fs = import('fs')
+
+compiler = meson.get_compiler('c')
+
+cygpath = find_program('cygpath', required: false)
+shell = find_program('sh')
+tar = find_program('tar')
+diff = find_program('diff')
+
+libgit_sources = [
+  'abspath.c',
+  'add-interactive.c',
+  'add-patch.c',
+  'advice.c',
+  'alias.c',
+  'alloc.c',
+  'apply.c',
+  'archive-tar.c',
+  'archive-zip.c',
+  'archive.c',
+  'attr.c',
+  'base85.c',
+  'bisect.c',
+  'blame.c',
+  'blob.c',
+  'bloom.c',
+  'branch.c',
+  'bulk-checkin.c',
+  'bundle-uri.c',
+  'bundle.c',
+  'cache-tree.c',
+  'cbtree.c',
+  'chdir-notify.c',
+  'checkout.c',
+  'chunk-format.c',
+  'color.c',
+  'column.c',
+  'combine-diff.c',
+  'commit-graph.c',
+  'commit-reach.c',
+  'commit.c',
+  'compat/nonblock.c',
+  'compat/obstack.c',
+  'compat/terminal.c',
+  'compat/zlib-uncompress2.c',
+  'config.c',
+  'connect.c',
+  'connected.c',
+  'convert.c',
+  'copy.c',
+  'credential.c',
+  'csum-file.c',
+  'ctype.c',
+  'date.c',
+  'decorate.c',
+  'delta-islands.c',
+  'diagnose.c',
+  'diff-delta.c',
+  'diff-merges.c',
+  'diff-lib.c',
+  'diff-no-index.c',
+  'diff.c',
+  'diffcore-break.c',
+  'diffcore-delta.c',
+  'diffcore-order.c',
+  'diffcore-pickaxe.c',
+  'diffcore-rename.c',
+  'diffcore-rotate.c',
+  'dir-iterator.c',
+  'dir.c',
+  'editor.c',
+  'entry.c',
+  'environment.c',
+  'ewah/bitmap.c',
+  'ewah/ewah_bitmap.c',
+  'ewah/ewah_io.c',
+  'ewah/ewah_rlw.c',
+  'exec-cmd.c',
+  'fetch-negotiator.c',
+  'fetch-pack.c',
+  'fmt-merge-msg.c',
+  'fsck.c',
+  'fsmonitor.c',
+  'fsmonitor-ipc.c',
+  'fsmonitor-settings.c',
+  'gettext.c',
+  'git-zlib.c',
+  'gpg-interface.c',
+  'graph.c',
+  'grep.c',
+  'hash-lookup.c',
+  'hashmap.c',
+  'help.c',
+  'hex.c',
+  'hex-ll.c',
+  'hook.c',
+  'ident.c',
+  'json-writer.c',
+  'kwset.c',
+  'levenshtein.c',
+  'line-log.c',
+  'line-range.c',
+  'linear-assignment.c',
+  'list-objects-filter-options.c',
+  'list-objects-filter.c',
+  'list-objects.c',
+  'lockfile.c',
+  'log-tree.c',
+  'loose.c',
+  'ls-refs.c',
+  'mailinfo.c',
+  'mailmap.c',
+  'match-trees.c',
+  'mem-pool.c',
+  'merge-blobs.c',
+  'merge-ll.c',
+  'merge-ort.c',
+  'merge-ort-wrappers.c',
+  'merge-recursive.c',
+  'merge.c',
+  'midx.c',
+  'midx-write.c',
+  'name-hash.c',
+  'negotiator/default.c',
+  'negotiator/noop.c',
+  'negotiator/skipping.c',
+  'notes-cache.c',
+  'notes-merge.c',
+  'notes-utils.c',
+  'notes.c',
+  'object-file-convert.c',
+  'object-file.c',
+  'object-name.c',
+  'object.c',
+  'oid-array.c',
+  'oidmap.c',
+  'oidset.c',
+  'oidtree.c',
+  'pack-bitmap-write.c',
+  'pack-bitmap.c',
+  'pack-check.c',
+  'pack-mtimes.c',
+  'pack-objects.c',
+  'pack-revindex.c',
+  'pack-write.c',
+  'packfile.c',
+  'pager.c',
+  'parallel-checkout.c',
+  'parse.c',
+  'parse-options-cb.c',
+  'parse-options.c',
+  'patch-delta.c',
+  'patch-ids.c',
+  'path.c',
+  'pathspec.c',
+  'pkt-line.c',
+  'preload-index.c',
+  'pretty.c',
+  'prio-queue.c',
+  'progress.c',
+  'promisor-remote.c',
+  'prompt.c',
+  'protocol.c',
+  'protocol-caps.c',
+  'prune-packed.c',
+  'pseudo-merge.c',
+  'quote.c',
+  'range-diff.c',
+  'reachable.c',
+  'read-cache.c',
+  'rebase-interactive.c',
+  'rebase.c',
+  'ref-filter.c',
+  'reflog-walk.c',
+  'reflog.c',
+  'refs.c',
+  'refs/debug.c',
+  'refs/files-backend.c',
+  'refs/reftable-backend.c',
+  'refs/iterator.c',
+  'refs/packed-backend.c',
+  'refs/ref-cache.c',
+  'refspec.c',
+  'reftable/basics.c',
+  'reftable/error.c',
+  'reftable/block.c',
+  'reftable/blocksource.c',
+  'reftable/iter.c',
+  'reftable/publicbasics.c',
+  'reftable/merged.c',
+  'reftable/pq.c',
+  'reftable/reader.c',
+  'reftable/record.c',
+  'reftable/stack.c',
+  'reftable/tree.c',
+  'reftable/writer.c',
+  'remote.c',
+  'replace-object.c',
+  'repo-settings.c',
+  'repository.c',
+  'rerere.c',
+  'reset.c',
+  'resolve-undo.c',
+  'revision.c',
+  'run-command.c',
+  'send-pack.c',
+  'sequencer.c',
+  'serve.c',
+  'server-info.c',
+  'setup.c',
+  'shallow.c',
+  'sideband.c',
+  'sigchain.c',
+  'sparse-index.c',
+  'split-index.c',
+  'stable-qsort.c',
+  'statinfo.c',
+  'strbuf.c',
+  'streaming.c',
+  'string-list.c',
+  'strmap.c',
+  'strvec.c',
+  'sub-process.c',
+  'submodule-config.c',
+  'submodule.c',
+  'symlinks.c',
+  'tag.c',
+  'tempfile.c',
+  'thread-utils.c',
+  'tmp-objdir.c',
+  'trace.c',
+  'trace2.c',
+  'trace2/tr2_cfg.c',
+  'trace2/tr2_cmd_name.c',
+  'trace2/tr2_ctr.c',
+  'trace2/tr2_dst.c',
+  'trace2/tr2_sid.c',
+  'trace2/tr2_sysenv.c',
+  'trace2/tr2_tbuf.c',
+  'trace2/tr2_tgt_event.c',
+  'trace2/tr2_tgt_normal.c',
+  'trace2/tr2_tgt_perf.c',
+  'trace2/tr2_tls.c',
+  'trace2/tr2_tmr.c',
+  'trailer.c',
+  'transport-helper.c',
+  'transport.c',
+  'tree-diff.c',
+  'tree-walk.c',
+  'tree.c',
+  'unpack-trees.c',
+  'upload-pack.c',
+  'url.c',
+  'urlmatch.c',
+  'usage.c',
+  'userdiff.c',
+  'utf8.c',
+  'varint.c',
+  'versioncmp.c',
+  'walker.c',
+  'wildmatch.c',
+  'worktree.c',
+  'wrapper.c',
+  'write-or-die.c',
+  'ws.c',
+  'wt-status.c',
+  'xdiff-interface.c',
+  'xdiff/xdiffi.c',
+  'xdiff/xemit.c',
+  'xdiff/xhistogram.c',
+  'xdiff/xmerge.c',
+  'xdiff/xpatience.c',
+  'xdiff/xprepare.c',
+  'xdiff/xutils.c',
+]
+
+builtin_sources = [
+  'builtin/add.c',
+  'builtin/am.c',
+  'builtin/annotate.c',
+  'builtin/apply.c',
+  'builtin/archive.c',
+  'builtin/bisect.c',
+  'builtin/blame.c',
+  'builtin/branch.c',
+  'builtin/bugreport.c',
+  'builtin/bundle.c',
+  'builtin/cat-file.c',
+  'builtin/check-attr.c',
+  'builtin/check-ignore.c',
+  'builtin/check-mailmap.c',
+  'builtin/check-ref-format.c',
+  'builtin/checkout--worker.c',
+  'builtin/checkout-index.c',
+  'builtin/checkout.c',
+  'builtin/clean.c',
+  'builtin/clone.c',
+  'builtin/column.c',
+  'builtin/commit-graph.c',
+  'builtin/commit-tree.c',
+  'builtin/commit.c',
+  'builtin/config.c',
+  'builtin/count-objects.c',
+  'builtin/credential-cache--daemon.c',
+  'builtin/credential-cache.c',
+  'builtin/credential-store.c',
+  'builtin/credential.c',
+  'builtin/describe.c',
+  'builtin/diagnose.c',
+  'builtin/diff-files.c',
+  'builtin/diff-index.c',
+  'builtin/diff-tree.c',
+  'builtin/diff.c',
+  'builtin/difftool.c',
+  'builtin/fast-export.c',
+  'builtin/fast-import.c',
+  'builtin/fetch-pack.c',
+  'builtin/fetch.c',
+  'builtin/fmt-merge-msg.c',
+  'builtin/for-each-ref.c',
+  'builtin/for-each-repo.c',
+  'builtin/fsck.c',
+  'builtin/fsmonitor--daemon.c',
+  'builtin/gc.c',
+  'builtin/get-tar-commit-id.c',
+  'builtin/grep.c',
+  'builtin/hash-object.c',
+  'builtin/help.c',
+  'builtin/hook.c',
+  'builtin/index-pack.c',
+  'builtin/init-db.c',
+  'builtin/interpret-trailers.c',
+  'builtin/log.c',
+  'builtin/ls-files.c',
+  'builtin/ls-remote.c',
+  'builtin/ls-tree.c',
+  'builtin/mailinfo.c',
+  'builtin/mailsplit.c',
+  'builtin/merge-base.c',
+  'builtin/merge-file.c',
+  'builtin/merge-index.c',
+  'builtin/merge-ours.c',
+  'builtin/merge-recursive.c',
+  'builtin/merge-tree.c',
+  'builtin/merge.c',
+  'builtin/mktag.c',
+  'builtin/mktree.c',
+  'builtin/multi-pack-index.c',
+  'builtin/mv.c',
+  'builtin/name-rev.c',
+  'builtin/notes.c',
+  'builtin/pack-objects.c',
+  'builtin/pack-redundant.c',
+  'builtin/pack-refs.c',
+  'builtin/patch-id.c',
+  'builtin/prune-packed.c',
+  'builtin/prune.c',
+  'builtin/pull.c',
+  'builtin/push.c',
+  'builtin/range-diff.c',
+  'builtin/read-tree.c',
+  'builtin/rebase.c',
+  'builtin/receive-pack.c',
+  'builtin/reflog.c',
+  'builtin/refs.c',
+  'builtin/remote-ext.c',
+  'builtin/remote-fd.c',
+  'builtin/remote.c',
+  'builtin/repack.c',
+  'builtin/replace.c',
+  'builtin/replay.c',
+  'builtin/rerere.c',
+  'builtin/reset.c',
+  'builtin/rev-list.c',
+  'builtin/rev-parse.c',
+  'builtin/revert.c',
+  'builtin/rm.c',
+  'builtin/send-pack.c',
+  'builtin/shortlog.c',
+  'builtin/show-branch.c',
+  'builtin/show-index.c',
+  'builtin/show-ref.c',
+  'builtin/sparse-checkout.c',
+  'builtin/stash.c',
+  'builtin/stripspace.c',
+  'builtin/submodule--helper.c',
+  'builtin/symbolic-ref.c',
+  'builtin/tag.c',
+  'builtin/unpack-file.c',
+  'builtin/unpack-objects.c',
+  'builtin/update-index.c',
+  'builtin/update-ref.c',
+  'builtin/update-server-info.c',
+  'builtin/upload-archive.c',
+  'builtin/upload-pack.c',
+  'builtin/var.c',
+  'builtin/verify-commit.c',
+  'builtin/verify-pack.c',
+  'builtin/verify-tag.c',
+  'builtin/worktree.c',
+  'builtin/write-tree.c',
+]
+
+libgit_sources += custom_target(
+  'command-list.h',
+  input: 'command-list.txt',
+  output: 'command-list.h',
+  command: [shell, meson.current_source_dir() + '/generate-cmdlist.sh', meson.current_source_dir(), '@OUTPUT@'],
+)
+
+libgit_sources += custom_target(
+  'config-list.h',
+  output: 'config-list.h',
+  command: [
+    shell,
+    meson.current_source_dir() + '/generate-configlist.sh',
+    meson.current_source_dir(),
+    '@OUTPUT@',
+  ],
+)
+
+libgit_sources += custom_target(
+  'hook-list.h',
+  input: 'Documentation/githooks.txt',
+  output: 'hook-list.h',
+  command: [
+    shell,
+    meson.current_source_dir() + '/generate-hooklist.sh',
+    meson.current_source_dir(),
+    '@OUTPUT@',
+  ],
+)
+
+# This contains the variables for GIT-BUILD-OPTIONS, which we use to propagate
+# build options to our tests.
+build_options_config = configuration_data()
+build_options_config.set('GIT_INTEROP_MAKE_OPTS', '')
+build_options_config.set('GIT_PERF_LARGE_REPO', '')
+build_options_config.set('GIT_PERF_MAKE_COMMAND', '')
+build_options_config.set('GIT_PERF_MAKE_OPTS', '')
+build_options_config.set('GIT_PERF_REPEAT_COUNT', '')
+build_options_config.set('GIT_PERF_REPO', '')
+build_options_config.set('GIT_TEST_CMP_USE_COPIED_CONTEXT', '')
+build_options_config.set('GIT_TEST_INDEX_VERSION', '')
+build_options_config.set('GIT_TEST_OPTS', '')
+build_options_config.set('GIT_TEST_PERL_FATAL_WARNINGS', '')
+build_options_config.set('GIT_TEST_UTF8_LOCALE', '')
+build_options_config.set('SANITIZE_ADDRESS', '')
+build_options_config.set('SANITIZE_LEAK', '')
+
+test_output_directory = get_option('test_output_directory')
+if test_output_directory == ''
+  test_output_directory = meson.project_build_root() / 'test-output'
+endif
+
+# These variables are used for building libgit.a.
+libgit_c_args = [
+  '-DBINDIR="' + get_option('bindir') + '"',
+  '-DDEFAULT_EDITOR="' + get_option('default_editor') + '"',
+  '-DDEFAULT_GIT_TEMPLATE_DIR="' + get_option('datadir') / 'git-core/templates' + '"',
+  '-DDEFAULT_HELP_FORMAT="' + get_option('default_help_format') + '"',
+  '-DDEFAULT_PAGER="' + get_option('default_pager') + '"',
+  '-DETC_GITATTRIBUTES="' + get_option('gitattributes') + '"',
+  '-DETC_GITCONFIG="' + get_option('gitconfig') + '"',
+  '-DFALLBACK_RUNTIME_PREFIX="' + get_option('prefix') + '"',
+  '-DGIT_EXEC_PATH="' + get_option('prefix') / get_option('libexecdir') / 'git-core"',
+  '-DGIT_HOST_CPU="' + host_machine.cpu_family() + '"',
+  '-DGIT_HTML_PATH="' + get_option('datadir') / 'doc/git-doc"',
+  '-DGIT_INFO_PATH="' + get_option('infodir') + '"',
+  '-DGIT_LOCALE_PATH="' + get_option('localedir') + '"',
+  '-DGIT_MAN_PATH="' + get_option('mandir') + '"',
+  '-DPAGER_ENV="' + get_option('pager_environment') + '"',
+  '-DSHELL_PATH="' + fs.as_posix(shell.full_path()) + '"',
+]
+libgit_include_directories = [ '.' ]
+libgit_dependencies = [ ]
+
+executable_suffix = ''
+if host_machine.system() == 'cygwin' or host_machine.system() == 'windows'
+  executable_suffix = '.exe'
+  libgit_c_args += '-DSTRIP_EXTENSION="' + executable_suffix + '"'
+endif
+build_options_config.set_quoted('X', executable_suffix)
+
+python = import('python').find_installation('python3', required: get_option('python'))
+if python.found()
+  build_options_config.set('NO_PYTHON', '')
+else
+  libgit_c_args += '-DNO_PYTHON'
+  build_options_config.set('NO_PYTHON', '1')
+endif
+
+# Perl is used for two different things: our test harness and to provide some
+# features. It is optional if you want to neither execute tests nor use any of
+# these optional features.
+perl_required = get_option('perl')
+if get_option('tests')
+  perl_required = true
+endif
+
+# Note that we only set NO_PERL if the Perl features were disabled by the user.
+# It may not be set when we have found Perl, but only use it to run tests.
+perl = find_program('perl', version: '>=5.8.1', required: perl_required)
+perl_features_enabled = perl.found() and get_option('perl').allowed()
+if perl_features_enabled
+  build_options_config.set('NO_PERL', '')
+else
+  libgit_c_args += '-DNO_PERL'
+  build_options_config.set('NO_PERL', '1')
+endif
+
+zlib = dependency('zlib')
+libgit_dependencies += zlib
+if not compiler.has_function('deflateBound',
+  prefix: '#include <zlib.h>',
+  dependencies: zlib,
+)
+  libgit_c_args += '-DNO_DEFLATE_BOUND'
+endif
+
+threads = dependency('threads', required: false)
+if threads.found()
+  libgit_dependencies += threads
+  build_options_config.set('NO_PTHREADS', '')
+else
+  libgit_c_args += '-DNO_PTHREADS'
+  build_options_config.set('NO_PTHREADS', '1')
+endif
+
+intl = dependency('intl', required: get_option('gettext'))
+if intl.found()
+  libgit_dependencies += intl
+  build_options_config.set('NO_GETTEXT', '')
+else
+  libgit_c_args += '-DNO_GETTEXT'
+  build_options_config.set('NO_GETTEXT', '1')
+endif
+
+iconv = dependency('iconv', required: get_option('iconv'))
+if iconv.found()
+  libgit_dependencies += iconv
+
+  have_old_iconv = false
+  if not compiler.compiles('''
+    #include <iconv.h>
+
+    extern size_t iconv(iconv_t cd,
+                        char **inbuf, size_t *inbytesleft,
+                        char **outbuf, size_t *outbytesleft);
+  ''', name: 'old iconv interface', dependencies: [iconv])
+    libgit_c_args += '-DOLD_ICONV'
+    have_old_iconv = true
+  endif
+
+  iconv_omits_bom_source = '''#
+    #include <iconv.h>
+
+    int main(int argc, const char **argv)
+    {
+  '''
+  if have_old_iconv
+    iconv_omits_bom_source += '''
+      typedef const char *iconv_ibp;
+    '''
+  else
+    iconv_omits_bom_source += '''
+      typedef char *iconv_ibp;
+    '''
+  endif
+  iconv_omits_bom_source += '''
+      int v;
+      iconv_t conv;
+      char in[] = "a"; iconv_ibp pin = in;
+      char out[20] = ""; char *pout = out;
+      size_t isz = sizeof in;
+      size_t osz = sizeof out;
+
+      conv = iconv_open("UTF-16", "UTF-8");
+      iconv(conv, &pin, &isz, &pout, &osz);
+      iconv_close(conv);
+      v = (unsigned char)(out[0]) + (unsigned char)(out[1]);
+      return v != 0xfe + 0xff;
+    }
+  '''
+
+  if compiler.run(iconv_omits_bom_source,
+    dependencies: iconv,
+    name: 'iconv omits BOM',
+  ).returncode() != 0
+    libgit_c_args += '-DICONV_OMITS_BOM'
+  endif
+else
+  libgit_c_args += '-DNO_ICONV'
+endif
+
+pcre2 = dependency('libpcre2-8', required: get_option('pcre2'))
+if pcre2.found()
+  libgit_dependencies += pcre2
+  libgit_c_args += '-DUSE_LIBPCRE2'
+  build_options_config.set('USE_LIBPCRE2', '1')
+else
+  build_options_config.set('USE_LIBPCRE2', '')
+endif
+
+curl = dependency('libcurl', version: '>=7.21.3', required: get_option('curl'))
+use_curl_for_imap_send = false
+if curl.found()
+  if curl.version().version_compare('>=7.34.0')
+    libgit_c_args += '-DUSE_CURL_FOR_IMAP_SEND'
+    use_curl_for_imap_send = true
+  endif
+
+  libgit_dependencies += curl
+  libgit_c_args += '-DCURL_DISABLE_TYPECHECK'
+  build_options_config.set('NO_CURL', '')
+else
+  libgit_c_args += '-DNO_CURL'
+  build_options_config.set('NO_CURL', '1')
+endif
+
+expat = dependency('expat', required: get_option('expat'))
+if expat.found()
+  libgit_dependencies += expat
+
+  if expat.version().version_compare('<=1.2')
+    libgit_c_args += '-DEXPAT_NEEDS_XMLPARSE_H'
+  endif
+  build_options_config.set('NO_EXPAT', '')
+else
+  libgit_c_args += '-DNO_EXPAT'
+  build_options_config.set('NO_EXPAT', '1')
+endif
+
+if not compiler.has_header('sys/select.h')
+  libgit_c_args += '-DNO_SYS_SELECT_H'
+endif
+
+has_poll_h = compiler.has_header('poll.h')
+if not has_poll_h
+  libgit_c_args += '-DNO_POLL_H'
+endif
+
+has_sys_poll_h = compiler.has_header('sys/poll.h')
+if not has_sys_poll_h
+  libgit_c_args += '-DNO_SYS_POLL_H'
+endif
+
+if not has_poll_h and not has_sys_poll_h
+  libgit_c_args += '-DNO_POLL'
+  libgit_sources += 'compat/poll/poll.c'
+  libgit_include_directories += 'compat/poll'
+endif
+
+if not compiler.has_header('inttypes.h')
+  libgit_c_args += '-DNO_INTTYPES_H'
+endif
+
+if compiler.has_header('libcharset.h')
+  libcharset = compiler.find_library('charset')
+
+  if compiler.has_function('locale_charset',
+    prefix: '#include <libcharset.h>',
+    dependencies: iconv,
+  )
+    libgit_c_args += '-DHAVE_LIBCHARSET_H'
+  elif compiler.has_function('locale_charset',
+    prefix: '#include <libcharset.h>',
+    dependencies: libcharset,
+  )
+    libgit_c_args += '-DHAVE_LIBCHARSET_H'
+  endif
+endif
+
+if compiler.has_header('alloca.h')
+  libgit_c_args += '-DHAVE_ALLOCA_H'
+endif
+
+if compiler.has_header('sys/sysinfo.h')
+  libgit_c_args += '-DHAVE_SYSINFO'
+endif
+
+# Windows has libgen.h and a basename implementation, but we still need our own
+# implementation to threat things like drive prefixes specially.
+if host_machine.system() == 'windows' or not compiler.has_header('libgen.h')
+  libgit_c_args += '-DNO_LIBGEN_H'
+  libgit_sources += 'compat/basename.c'
+endif
+
+if compiler.has_header('paths.h')
+  libgit_c_args += '-DHAVE_PATHS_H'
+endif
+
+if compiler.has_header('strings.h')
+  libgit_c_args += '-DHAVE_STRINGS_H'
+endif
+
+networking_dependencies = [ ]
+winsock = compiler.find_library('ws2_32', required: false)
+if winsock.found()
+  networking_dependencies += winsock
+endif
+libresolv = compiler.find_library('resolv', required: false)
+if libresolv.found()
+  networking_dependencies += libresolv
+endif
+libgit_dependencies += networking_dependencies
+
+foreach symbol : ['inet_ntop', 'inet_pton', 'strerror']
+  if not compiler.has_function(symbol, dependencies: networking_dependencies)
+    libgit_c_args += '-DNO_' + symbol.to_upper()
+  endif
+endforeach
+
+has_ipv6 = compiler.has_function('getaddrinfo', dependencies: networking_dependencies)
+if not has_ipv6
+  libgit_c_args += '-DNO_IPV6'
+endif
+
+if not compiler.compiles('''
+  #ifdef _WIN32
+  # include <winsock2.h>
+  #else
+  # include <sys/types.h>
+  # include <sys/socket.h>
+  #endif
+
+  void func(void)
+  {
+    struct sockaddr_storage x;
+  }
+''', name: 'struct sockaddr_storage')
+  if has_ipv6
+    libgit_c_args += '-Dsockaddr_storage=sockaddr_in6'
+  else
+    libgit_c_args += '-Dsockaddr_storage=sockaddr_in'
+  endif
+endif
+
+if compiler.has_function('socket', dependencies: networking_dependencies)
+  libgit_sources += [
+    'unix-socket.c',
+    'unix-stream-server.c',
+  ]
+  build_options_config.set('NO_UNIX_SOCKETS', '')
+else
+  libgit_c_args += '-DNO_UNIX_SOCKETS'
+  build_options_config.set('NO_UNIX_SOCKETS', '1')
+endif
+
+if not compiler.has_function('pread')
+  libgit_c_args += '-DNO_PREAD'
+  libgit_sources += 'compat/pread.c'
+endif
+
+if host_machine.system() == 'darwin'
+  libgit_sources += 'compat/precompose_utf8.c'
+  libgit_c_args += '-DPRECOMPOSE_UNICODE'
+  libgit_c_args += '-DPROTECT_HFS_DEFAULT'
+endif
+
+# Configure general compatibility wrappers.
+if host_machine.system() == 'cygwin'
+  libgit_sources += [
+    'compat/win32/path-utils.c',
+  ]
+elif host_machine.system() == 'windows'
+  libgit_sources += [
+    'compat/mingw.c',
+    'compat/winansi.c',
+    'compat/win32/flush.c',
+    'compat/win32/path-utils.c',
+    'compat/win32/pthread.c',
+    'compat/win32/syslog.c',
+    'compat/win32/trace2_win32_process_info.c',
+    'compat/win32/dirent.c',
+    'compat/win32mmap.c',
+    'compat/nedmalloc/nedmalloc.c',
+  ]
+
+  libgit_c_args += [
+    '-DDETECT_MSYS_TTY',
+    '-DENSURE_MSYSTEM_IS_SET',
+    '-DNATIVE_CRLF',
+    '-DNOGDI',
+    '-DNO_POSIX_GOODIES',
+    '-DWIN32',
+    '-D_CONSOLE',
+    '-D_CONSOLE_DETECT_MSYS_TTY',
+    '-D__USE_MINGW_ANSI_STDIO=0',
+  ]
+
+  libgit_dependencies += compiler.find_library('ntdll')
+  libgit_include_directories += 'compat/win32'
+endif
+
+if host_machine.system() == 'linux'
+  libgit_sources += 'compat/linux/procinfo.c'
+else
+  libgit_sources += 'compat/stub/procinfo.c'
+endif
+
+if host_machine.system() == 'cygwin' or host_machine.system() == 'windows'
+  libgit_c_args += [
+    '-DUNRELIABLE_FSTAT',
+    '-DMMAP_PREVENTS_DELETE',
+    '-DOBJECT_CREATION_MODE=1',
+  ]
+endif
+
+# Configure the simple-ipc subsystem required fro the fsmonitor.
+if host_machine.system() == 'windows'
+  libgit_sources += [
+    'compat/simple-ipc/ipc-shared.c',
+    'compat/simple-ipc/ipc-win32.c',
+  ]
+  libgit_c_args += '-DSUPPORTS_SIMPLE_IPC'
+else
+  libgit_sources += [
+    'compat/simple-ipc/ipc-shared.c',
+    'compat/simple-ipc/ipc-unix-socket.c',
+  ]
+  libgit_c_args += '-DSUPPORTS_SIMPLE_IPC'
+endif
+
+fsmonitor_backend = ''
+if host_machine.system() == 'windows'
+  fsmonitor_backend = 'win32'
+elif host_machine.system() == 'darwin'
+  fsmonitor_backend = 'darwin'
+  libgit_dependencies += dependency('CoreServices')
+endif
+if fsmonitor_backend != ''
+  libgit_c_args += '-DHAVE_FSMONITOR_DAEMON_BACKEND'
+  libgit_c_args += '-DHAVE_FSMONITOR_OS_SETTINGS'
+
+  libgit_sources += [
+    'compat/fsmonitor/fsm-health-' + fsmonitor_backend + '.c',
+    'compat/fsmonitor/fsm-ipc-' + fsmonitor_backend + '.c',
+    'compat/fsmonitor/fsm-listen-' + fsmonitor_backend + '.c',
+    'compat/fsmonitor/fsm-path-utils-' + fsmonitor_backend + '.c',
+    'compat/fsmonitor/fsm-settings-' + fsmonitor_backend + '.c',
+  ]
+endif
+build_options_config.set_quoted('FSMONITOR_DAEMON_BACKEND', fsmonitor_backend)
+build_options_config.set_quoted('FSMONITOR_OS_SETTINGS', fsmonitor_backend)
+
+if compiler.get_define('REG_STARTEND', prefix: '#include <regex.h>') != ''
+  build_options_config.set('NO_REGEX', '')
+else
+  libgit_c_args += [
+    '-DNO_REGEX',
+    '-DGAWK',
+    '-DNO_MBSUPPORT',
+  ]
+  build_options_config.set('NO_REGEX', '1')
+  libgit_sources += 'compat/regex/regex.c'
+  libgit_include_directories += 'compat/regex'
+endif
+if compiler.get_define('REG_ENHANCED', prefix: '#include <regex.h>') != ''
+  libgit_c_args += '-DUSE_ENHANCED_BASIC_REGULAR_EXPRESSIONS'
+  libgit_sources += 'compat/regcomp_enhanced.c'
+endif
+
+# setitimer and friends are provided by compat/mingw.c.
+if host_machine.system() != 'windows'
+  if not compiler.compiles('''
+    #include <sys/time.h>
+    void func(void)
+    {
+      struct itimerval value;
+    }
+  ''', name: 'struct itimerval')
+    libgit_c_args += '-DNO_STRUCT_ITIMERVAL'
+    libgit_c_args += '-DNO_SETITIMER'
+  elif not compiler.has_function('setitimer')
+    libgit_c_args += '-DNO_SETITIMER'
+  endif
+endif
+
+if compiler.has_member('struct stat', 'st_mtimespec.tv_nsec', prefix: '#include <sys/stat.h>')
+  libgit_c_args += '-DUSE_ST_TIMESPEC'
+elif not compiler.has_member('struct stat', 'st_mtim.tv_nsec', prefix: '#include <sys/stat.h>')
+  libgit_c_args += '-DNO_NSEC'
+endif
+
+if not compiler.has_member('struct stat', 'st_blocks', prefix: '#include <sys/stat.h>')
+  libgit_c_args += '-DNO_ST_BLOCKS_IN_STRUCT_STAT'
+endif
+
+if not compiler.has_member('struct dirent', 'd_type', prefix: '#include <dirent.h>')
+  libgit_c_args += '-DNO_D_TYPE_IN_DIRENT'
+endif
+
+if not compiler.has_member('struct passwd', 'pw_gecos', prefix: '#include <pwd.h>')
+  libgit_c_args += '-DNO_GECOS_IN_PWENT'
+endif
+
+if compiler.has_function('sync_file_range')
+  libgit_c_args += '-DHAVE_SYNC_FILE_RANGE'
+endif
+
+if not compiler.has_function('strcasestr')
+  libgit_c_args += '-DNO_STRCASESTR'
+  libgit_sources += 'compat/strcasestr.c'
+endif
+
+if not compiler.has_function('memmem')
+  libgit_c_args += '-DNO_MEMMEM'
+  libgit_sources += 'compat/memmem.c'
+endif
+
+if not compiler.has_function('strlcpy')
+  libgit_c_args += '-DNO_STRLCPY'
+  libgit_sources += 'compat/strlcpy.c'
+endif
+
+if not compiler.has_function('strdup')
+  libgit_c_args += '-DOVERRIDE_STRDUP'
+  libgit_sources += 'compat/strdup.c'
+endif
+
+if not compiler.has_function('strtoumax')
+  libgit_c_args += '-DNO_STRTOUMAX'
+  libgit_sources += [
+    'compat/strtoumax.c',
+    'compat/strtoimax.c',
+  ]
+endif
+
+if not compiler.has_function('strtoull')
+  libgit_c_args += '-DNO_STRTOULL'
+endif
+
+if not compiler.has_function('setenv')
+  libgit_c_args += '-DNO_SETENV'
+  libgit_sources += 'compat/setenv.c'
+endif
+
+if not compiler.has_function('qsort')
+  libgit_c_args += '-DINTERNAL_QSORT'
+endif
+libgit_sources += 'compat/qsort_s.c'
+
+# unsetenv is provided by compat/mingw.c.
+if host_machine.system() != 'windows' and not compiler.has_function('unsetenv')
+  libgit_c_args += '-DNO_UNSETENV'
+  libgit_sources += 'compat/unsetenv.c'
+endif
+
+if not compiler.has_function('mkdtemp')
+  libgit_c_args += '-DNO_MKDTEMP'
+  libgit_sources += 'compat/mkdtemp.c'
+endif
+
+if not compiler.has_function('initgroups')
+  libgit_c_args += '-DNO_INITGROUPS'
+endif
+
+if compiler.has_function('getdelim')
+  libgit_c_args += '-DHAVE_GETDELIM'
+endif
+
+if host_machine.system() == 'windows'
+  libgit_c_args += '-DUSE_WIN32_MMAP'
+elif not compiler.has_function('mmap')
+  libgit_c_args += '-DNO_MMAP'
+  libgit_sources += 'compat/mmap.c'
+endif
+
+if compiler.has_function('clock_gettime')
+  libgit_c_args += '-DHAVE_CLOCK_GETTIME'
+endif
+
+if compiler.compiles('''
+  #include <time.h>
+
+  void func(void)
+  {
+    clockid_t id = CLOCK_MONOTONIC;
+  }
+''', name: 'monotonic clock')
+  libgit_c_args += '-DHAVE_CLOCK_MONOTONIC'
+endif
+
+if compiler.compiles('''
+  #include <inttypes.h>
+
+  void func(void)
+  {
+    uintmax_t x = 0;
+  }
+''', name: 'uintmax_t')
+  libgit_c_args += '-DNO_UINTMAX_T'
+endif
+
+has_bsd_sysctl = false
+if compiler.has_header('sys/sysctl.h')
+  if compiler.compiles('''
+    #include <stddef.h>
+    #include <sys/sysctl.h>
+
+    void func(void)
+    {
+      int val, mib[2] = { 0 };
+      size_t len = sizeof(val);
+      sysctl(mib, 2, &val, &len, NULL, 0);
+    }
+  ''', name: 'BSD sysctl')
+    libgit_c_args += '-DHAVE_BSD_SYSCTL'
+    has_bsd_sysctl = true
+  endif
+endif
+
+if compiler.run('''
+  #include <stdio.h>
+
+  int main(int argc, const char **argv)
+  {
+    FILE *f = fopen(".", "r");
+    return f ? 0 : 1;
+  }
+''', name: 'fread reads directories').returncode() == 0
+  libgit_c_args += '-DFREAD_READS_DIRECTORIES'
+  libgit_sources += 'compat/fopen.c'
+endif
+
+if not meson.is_cross_build() and fs.exists('/dev/tty')
+  libgit_c_args += '-DHAVE_DEV_TTY'
+endif
+
+if get_option('openssl').enabled() and get_option('CommonCrypto').enabled()
+  error('Can only use one SSL backend')
+endif
+
+security_framework = dependency('Security', required: get_option('CommonCrypto').disable_auto_if(host_machine.system() != 'darwin'))
+core_foundation_framework = dependency('CoreFoundation', required: security_framework.found())
+if security_framework.found()
+  libgit_dependencies += security_framework
+  libgit_dependencies += core_foundation_framework
+  libgit_c_args += '-DAPPLE_COMMON_CRYPTO'
+endif
+
+# OpenSSL is required when requested via the 'openssl' feature or via one of
+# the SHA1/SHA256 backends.
+openssl_required = get_option('openssl').disable_auto_if(security_framework.found())
+if get_option('sha1_backend') == 'openssl' or get_option('sha256_backend') == 'openssl'
+  openssl_required = true
+endif
+
+openssl = dependency('openssl', required: openssl_required)
+if openssl.found()
+  libgit_dependencies += openssl
+endif
+
+# We may not want to use OpenSSL for anything but our SHA1/SHA256 backends, so
+# we cannot just set NO_OPENSSL based on whether or not the library was found.
+if not openssl.found() or get_option('openssl').disabled()
+  libgit_c_args += '-DNO_OPENSSL'
+endif
+
+sha1_backend = get_option('sha1_backend')
+if sha1_backend == 'sha1dc'
+  libgit_c_args += '-DSHA1_DC'
+  libgit_c_args += '-DSHA1DC_NO_STANDARD_INCLUDES=1'
+  libgit_c_args += '-DSHA1DC_INIT_SAFE_HASH_DEFAULT=0'
+  libgit_c_args += '-DSHA1DC_CUSTOM_INCLUDE_SHA1_C="git-compat-util.h"'
+  libgit_c_args += '-DSHA1DC_CUSTOM_INCLUDE_UBC_CHECK_C="git-compat-util.h"'
+
+  libgit_sources += [
+    'sha1dc_git.c',
+    'sha1dc/sha1.c',
+    'sha1dc/ubc_check.c',
+  ]
+elif sha1_backend == 'common-crypto'
+  libgit_c_args += '-DCOMMON_DIGEST_FOR_OPENSSL'
+  libgit_c_args += '-DSHA1_APPLE'
+  libgit_c_args += '-DSHA1_MAX_BLOCK_SIZE=1024L*1024L*1024L'
+elif sha1_backend == 'openssl'
+  if not openssl.found()
+    openssl = dependency('openssl', required: true)
+  endif
+
+  libgit_c_args += '-DSHA1_OPENSSL'
+  # Apple CommonCrypto requires chunking
+elif sha1_backend == 'block'
+  libgit_c_args += '-DSHA1_BLK'
+  libgit_sources += 'block-sha1/sha1.c'
+else
+  error('Unhandled SHA1 backend ' + sha1_backend)
+endif
+
+sha256_backend = get_option('sha256_backend')
+if sha256_backend == 'openssl'
+  libgit_c_args += '-DSHA256_OPENSSL'
+elif sha256_backend == 'nettle'
+  nettle = dependency('nettle')
+  libgit_dependencies += nettle
+  libgit_c_args += '-DSHA256_NETTLE'
+elif sha256_backend == 'gcrypt'
+  gcrypt = dependency('gcrypt')
+  libgit_dependencies += gcrypt
+  libgit_c_args += '-DSHA256_GCRYPT'
+elif sha256_backend == 'block'
+  libgit_c_args += '-DSHA256_BLK'
+  libgit_sources += 'sha256/block/sha256.c'
+else
+  error('Unhandled SHA256 backend ' + sha256_backend)
+endif
+
+if compiler.has_header_symbol('stdlib.h', 'arc4random_buf')
+  libgit_c_args += '-DHAVE_ARC4RANDOM'
+elif compiler.has_header_symbol('bsd/stdlib.h', 'arc4random_buf')
+  libgit_c_args += '-DHAVE_ARC4RANDOM_BSD'
+elif compiler.has_function('getrandom', prefix: '#include <sys/random.h>')
+  libgit_c_args += '-DHAVE_GETRANDOM'
+elif compiler.has_function('getentropy', prefix: '#include <unistd.h>')
+  libgit_c_args += '-DHAVE_GETENTROPY'
+elif compiler.has_function('RtlGenRandom', prefix: '#include <windows.h>\n#include <ntsecapi.h>')
+  libgit_c_args += '-DHAVE_RTLGENRANDOM'
+elif openssl.found()
+  libgit_c_args += '-DHAVE_OPENSSL_CSPRNG'
+endif
+
+if get_option('runtime_prefix')
+  libgit_c_args += '-DRUNTIME_PREFIX'
+  build_options_config.set('RUNTIME_PREFIX', '1')
+
+  if compiler.has_header('mach-o/dyld.h')
+    libgit_c_args += '-DHAVE_NS_GET_EXECUTABLE_PATH'
+  endif
+
+  if has_bsd_sysctl and compiler.compiles('''
+    #include <sys/sysctl.h>
+
+    void func(void)
+    {
+      KERN_PROC_PATHNAME; KERN_PROC;
+    }
+  ''', name: 'BSD KERN_PROC_PATHNAME')
+    libgit_c_args += '-DHAVE_NS_GET_EXECUTABLE_PATH'
+  endif
+
+  if host_machine.system() == 'linux'
+    libgit_c_args += '-DPROCFS_EXECUTABLE_PATH="/proc/self/exe' + '"'
+  elif host_machine.system() == 'openbsd'
+    libgit_c_args += '-DPROCFS_EXECUTABLE_PATH="' + '/proc/curproc/file' + '"'
+  elif host_machine.system() == 'netbsd'
+    libgit_c_args += '-DPROCFS_EXECUTABLE_PATH="' + '/proc/curproc/exe' + '"'
+  endif
+
+  if host_machine.system() == 'windows' and compiler.compiles('''
+    #include <stdlib.h>
+
+    void func(void)
+    {
+      _wpgmptr;
+    }
+  ''', name: 'Win32 _wpgmptr')
+    libgit_c_args += '-DHAVE_WPGMPTR'
+  endif
+else
+  build_options_config.set('RUNTIME_PREFIX', '')
+endif
+
+foreach key, value : {
+  'DIFF': diff.full_path(),
+  'GIT_TEST_CMP': diff.full_path() + ' -u',
+  'GIT_TEST_GITPERLLIB': meson.project_build_root() / 'perl',
+  'GIT_TEST_MERGE_TOOLS_DIR': meson.project_source_root() / 'mergetools',
+  'GIT_TEST_POPATH': meson.project_source_root() / 'po',
+  'GIT_TEST_TEMPLATE_DIR': meson.project_build_root() / 'templates',
+  'GIT_TEST_TEXTDOMAINDIR': meson.project_build_root() / 'po',
+  'PAGER_ENV': get_option('pager_environment'),
+  'PERL_PATH': perl.found() ? perl.full_path() : '',
+  'PYTHON_PATH': python.found () ? python.full_path() : '',
+  'SHELL_PATH': shell.full_path(),
+  'TAR': tar.full_path(),
+  'TEST_OUTPUT_DIRECTORY': test_output_directory,
+  'TEST_SHELL_PATH': shell.full_path(),
+}
+  if value != '' and cygpath.found()
+    value = run_command(cygpath, value, check: true).stdout().strip()
+  endif
+  build_options_config.set_quoted(key, value)
+endforeach
+
+configure_file(
+  input: 'GIT-BUILD-OPTIONS.in',
+  output: 'GIT-BUILD-OPTIONS',
+  configuration: build_options_config,
+)
+
+# Build a separate library for "version.c" so that we do not have to rebuild
+# everything when the current Git commit changes. TODO: this only gets set up
+# at configuration time, so we do not notice version changes unless the build
+# instructions get regenerated. We should refactor the source file such that we
+# can substitute tags in the file via `vcs_tag()`.
+libgit_version_library = static_library('git-version',
+  sources: ['version.c'],
+  c_args: libgit_c_args + [
+    '-DGIT_VERSION="' + meson.project_version() + '"',
+    '-DGIT_USER_AGENT="' + 'git/' + meson.project_version() + '"',
+    '-DGIT_BUILT_FROM_COMMIT="' + run_command('git', 'rev-parse', '-q', '--verify', 'HEAD', check: false).stdout().strip() + '"',
+  ],
+  include_directories: libgit_include_directories,
+)
+
+libgit_library = static_library('git',
+  sources: libgit_sources,
+  c_args: libgit_c_args,
+  link_with: libgit_version_library,
+  include_directories: libgit_include_directories,
+)
+
+libgit = declare_dependency(
+  compile_args: libgit_c_args,
+  link_with: libgit_library,
+  dependencies: libgit_dependencies,
+  include_directories: libgit_include_directories,
+)
+
+common_main_sources = ['common-main.c']
+common_main_link_args = [ ]
+if host_machine.system() == 'windows'
+  # TODO: wire these up properly.
+  common_main_sources += import('windows').compile_resources('git.rc', args: [
+    '-DMAJOR=1',
+    '-DMINOR=1',
+    '-DMICRO=1',
+    '-DPATCHLEVEL=0',
+    '-DGIT_VERSION=\\\"' + meson.project_version() + '.GIT\\\"',
+  ])
+  if compiler.get_argument_syntax() == 'gcc'
+    common_main_link_args += [
+      '-municode',
+      '-Wl,-nxcompat',
+      '-Wl,-dynamicbase',
+      '-Wl,-pic-executable,-e,mainCRTStartup',
+      '-Wl,-subsystem,console',
+    ]
+  elif compiler.get_argument_syntax() == 'msvc'
+    common_main_link_args += [
+      '/NOLOGO',
+      '/ENTRY:wmainCRTStartup',
+      '/SUBSYSTEM:CONSOLE',
+      'invalidcontinue.obj',
+    ]
+  else
+    error('Unsupported compiler ' + compiler.get_id())
+  endif
+endif
+common_main_library = static_library('common-main',
+  sources: common_main_sources,
+  c_args: libgit_c_args,
+  include_directories: libgit_include_directories,
+)
+common_main = declare_dependency(
+  link_with: common_main_library,
+  link_args: common_main_link_args,
+)
+
+bin_wrappers = [ ]
+test_dependencies = [ ]
+
+git = executable('git',
+  sources: builtin_sources + 'git.c',
+  dependencies: [libgit, common_main],
+  install: true,
+  install_dir: get_option('libexecdir') / 'git-core',
+)
+bin_wrappers += git
+
+test_dependencies += executable('git-daemon',
+  sources: 'daemon.c',
+  dependencies: [libgit, common_main],
+  install: true,
+  install_dir: get_option('libexecdir') / 'git-core',
+)
+
+test_dependencies += executable('git-sh-i18n--envsubst',
+  sources: 'sh-i18n--envsubst.c',
+  dependencies: [libgit, common_main],
+  install: true,
+  install_dir: get_option('libexecdir') / 'git-core',
+)
+
+bin_wrappers += executable('git-shell',
+  sources: 'shell.c',
+  dependencies: [libgit, common_main],
+  install: true,
+  install_dir: get_option('libexecdir') / 'git-core',
+)
+
+test_dependencies += executable('git-http-backend',
+  sources: 'http-backend.c',
+  dependencies: [libgit, common_main],
+  install: true,
+  install_dir: get_option('libexecdir') / 'git-core',
+)
+
+bin_wrappers += executable('scalar',
+  sources: 'scalar.c',
+  dependencies: [libgit, common_main],
+  install: true,
+  install_dir: get_option('libexecdir') / 'git-core',
+)
+
+if get_option('curl').enabled()
+  curl_sources = [
+    'http.c',
+    'http-walker.c',
+  ]
+
+  git_remote_http = executable('git-remote-http',
+    sources: curl_sources + 'remote-curl.c',
+    dependencies: [libgit, common_main],
+    install: true,
+    install_dir: get_option('libexecdir') / 'git-core',
+  )
+  test_dependencies += git_remote_http
+
+  test_dependencies += executable('git-http-fetch',
+    sources: curl_sources + 'http-fetch.c',
+    dependencies: [libgit, common_main],
+    install: true,
+    install_dir: get_option('libexecdir') / 'git-core',
+  )
+
+  if expat.found()
+    test_dependencies += executable('git-http-push',
+      sources: curl_sources + 'http-push.c',
+      dependencies: [libgit, common_main],
+      install: true,
+      install_dir: get_option('libexecdir') / 'git-core',
+    )
+  endif
+
+  foreach alias : [ 'git-remote-https', 'git-remote-ftp', 'git-remote-ftps' ]
+    test_dependencies += executable(alias,
+      objects: git.extract_all_objects(recursive: false),
+      dependencies: [libgit, common_main],
+    )
+
+    install_symlink(alias + executable_suffix,
+      install_dir: get_option('libexecdir') / 'git-core',
+      pointing_to: 'git-remote-http',
+    )
+  endforeach
+endif
+
+imap_send_sources = ['imap-send.c']
+if use_curl_for_imap_send
+  imap_send_sources += curl_sources
+endif
+
+test_dependencies += executable('git-imap-send',
+  sources: imap_send_sources,
+  dependencies: [libgit, common_main],
+  install: true,
+  install_dir: get_option('libexecdir') / 'git-core',
+)
+
+foreach alias : [ 'git-receive-pack', 'git-upload-archive', 'git-upload-pack' ]
+  bin_wrappers += executable(alias,
+    objects: git.extract_all_objects(recursive: false),
+    dependencies: [libgit, common_main],
+  )
+
+  install_symlink(alias + executable_suffix,
+    install_dir: get_option('libexecdir') / 'git-core',
+    pointing_to: 'git-remote-http',
+  )
+endforeach
+
+foreach symlink : [
+  'git',
+  'git-http-backend',
+  'git-receive-pack',
+  'git-shell',
+  'git-upload-archive',
+  'git-upload-pack',
+  'scalar',
+]
+  install_symlink(symlink,
+    install_dir: get_option('bindir'),
+    pointing_to: fs.relative_to(get_option('libexecdir') / 'git-core' / symlink, get_option('bindir')),
+  )
+endforeach
+
+script_sh_config = configuration_data()
+script_sh_config.set('BROKEN_PATH_FIX', '')
+script_sh_config.set('DIFF', fs.as_posix(diff.full_path()))
+script_sh_config.set('PAGER_ENV', get_option('pager_environment'))
+script_sh_config.set('PERL_PATH', perl.found() ? fs.as_posix(perl.full_path()) : '')
+script_sh_config.set('SHELL_PATH', fs.as_posix(shell.full_path()))
+script_sh_config.set_quoted('LOCALEDIR', fs.as_posix(get_option('prefix') / get_option('localedir')))
+if intl.found()
+  script_sh_config.set('USE_GETTEXT_SCHEME', '')
+else
+  script_sh_config.set('USE_GETTEXT_SCHEME', 'fallthrough')
+endif
+script_sh_config.set('GITWEBDIR', fs.as_posix(get_option('prefix') / get_option('datadir') / 'gitweb'))
+
+scripts_sh = [
+  'git-difftool--helper.sh',
+  'git-filter-branch.sh',
+  'git-merge-octopus.sh',
+  'git-merge-one-file.sh',
+  'git-merge-resolve.sh',
+  'git-mergetool.sh',
+  'git-quiltimport.sh',
+  'git-request-pull.sh',
+  'git-submodule.sh',
+  'git-web--browse.sh',
+]
+
+if perl_features_enabled
+  scripts_sh += 'git-instaweb.sh'
+endif
+
+foreach script : scripts_sh
+  configure_file(
+    input: script,
+    output: fs.stem(script),
+    configuration: script_sh_config,
+    install: true,
+    install_dir: get_option('libexecdir') / 'git-core',
+  )
+endforeach
+
+scripts_lib = [
+  'git-mergetool--lib.sh',
+  'git-sh-i18n.sh',
+  'git-sh-setup.sh',
+]
+
+foreach script : scripts_lib
+  configure_file(
+    input: script,
+    output: fs.stem(script),
+    configuration: script_sh_config,
+    install: true,
+    install_dir: get_option('libexecdir') / 'git-core',
+  )
+endforeach
+
+if perl_features_enabled
+  scripts_perl = [
+    'git-archimport.perl',
+    'git-cvsexportcommit.perl',
+    'git-cvsimport.perl',
+    'git-cvsserver.perl',
+    'git-send-email.perl',
+    'git-svn.perl',
+  ]
+
+  pathsep = ':'
+  if host_machine.system() == 'windows'
+    pathsep = ';'
+  endif
+
+  perl_header_template = 'perl/header_templates/fixed_prefix.template.pl'
+  if get_option('runtime_prefix')
+    perl_header_template = 'perl/header_templates/runtime_prefix.template.pl'
+  endif
+
+  perl_header = configure_file(
+    input: perl_header_template,
+    output: 'GIT-PERL-HEADER',
+    configuration: {
+      'GITEXECDIR_REL': get_option('libexecdir') / 'git-core',
+      'PERLLIBDIR_REL': get_option('datadir') / 'perl5',
+      'LOCALEDIR_REL': get_option('datadir') / 'locale',
+      'INSTLIBDIR': get_option('datadir') / 'perl5',
+      'PATHSEP': pathsep,
+    },
+  )
+
+  foreach script : scripts_perl
+    generated_script = custom_target(script,
+      input: script,
+      output: fs.stem(script),
+      command: [
+        shell,
+        meson.project_source_root() / 'generate-perl.sh',
+        meson.project_version(),
+        perl_header,
+        perl.full_path(),
+        '@INPUT@',
+        '@OUTPUT@',
+      ],
+      install: true,
+      install_dir: get_option('datadir') / 'perl5',
+    )
+    test_dependencies += generated_script
+    if script == 'git-cvsserver.perl'
+      bin_wrappers += generated_script
+    endif
+  endforeach
+
+  subdir('perl')
+endif
+
+if python.found()
+  scripts_python = [
+    'git-p4.py'
+  ]
+
+  foreach script : scripts_python
+    fs.copyfile(script, fs.stem(script),
+      install: true,
+      install_dir: get_option('libexecdir') / 'git-core',
+    )
+  endforeach
+endif
+
+mergetools = [
+  'mergetools/araxis',
+  'mergetools/bc',
+  'mergetools/codecompare',
+  'mergetools/deltawalker',
+  'mergetools/diffmerge',
+  'mergetools/diffuse',
+  'mergetools/ecmerge',
+  'mergetools/emerge',
+  'mergetools/examdiff',
+  'mergetools/guiffy',
+  'mergetools/gvimdiff',
+  'mergetools/kdiff3',
+  'mergetools/kompare',
+  'mergetools/meld',
+  'mergetools/nvimdiff',
+  'mergetools/opendiff',
+  'mergetools/p4merge',
+  'mergetools/smerge',
+  'mergetools/tkdiff',
+  'mergetools/tortoisemerge',
+  'mergetools/vimdiff',
+  'mergetools/vscode',
+  'mergetools/winmerge',
+  'mergetools/xxdiff',
+]
+
+foreach mergetool : mergetools
+  install_data(mergetool, install_dir: get_option('libexecdir') / 'git-core' / 'mergetools')
+endforeach
+
+if intl.found()
+  subdir('po')
+endif
+subdir('contrib')
+subdir('gitweb')
+subdir('templates')
+
+# Everything but the bin-wrappers need to come before this target such that we
+# can properly set up test dependencies. The bin-wrappers themselves are set up
+# at configuration time, so these are fine.
+if get_option('tests')
+  subdir('t')
+endif
+
+subdir('bin-wrappers')
diff --git a/meson_options.txt b/meson_options.txt
new file mode 100644
index 0000000000..113863947f
--- /dev/null
+++ b/meson_options.txt
@@ -0,0 +1,67 @@
+option('default_help_format', type: 'combo', choices: ['man', 'html', 'info'], value: 'man',
+  description: 'Format of installed documentation.')
+option('default_pager', type: 'string', value: 'less',
+  description: 'Fall-back pager.')
+option('default_editor', type: 'string', value: 'vi',
+  description: 'Fall-back editor.')
+option('gitconfig', type: 'string', value: '/etc/gitconfig',
+  description: 'Path to the global git configuration file.')
+option('gitattributes', type: 'string', value: '/etc/gitattributes',
+  description: 'Path to the global git attributes file.')
+option('pager_environment', type: 'string', value: 'LESS=FRX LV=-c',
+  description: 'Environment used when spawning the pager')
+option('runtime_prefix', type: 'boolean', value: false,
+  description: 'Resolve ancillary tooling and support files relative to the location of the runtime binary instead of hard-coding them into the binary.')
+
+option('curl', type: 'feature', value: 'enabled',
+  description: 'Build helpers used to access remotes with the HTTP transport.')
+option('expat', type: 'feature', value: 'enabled',
+  description: 'Build helpers used to push to remotes with the HTTP transport.')
+option('gettext', type: 'feature', value: 'enabled',
+  description: 'Build translation files.')
+option('iconv', type: 'feature', value: 'enabled',
+  description: 'Support reencoding strings with different encodings.')
+option('pcre2', type: 'feature', value: 'enabled',
+  description: 'Support Perl-compatible regular expressions in e.g. git-grep(1).')
+option('perl', type: 'feature', value: 'enabled',
+  description: 'Build tools written in Perl.')
+option('perl_cpan_fallback', type: 'boolean', value: true,
+  description: 'Install bundled copies of CPAN modules that serve as a fallback in case the modules are not available on the system.')
+option('python', type: 'feature', value: 'enabled',
+  description: 'Build tools written in Python.')
+
+option('openssl', type: 'feature', value: 'auto',
+  description: 'Support access to HTTPS remotes. OpenSSL may still be pulled in if configured as SHA1 or SHA256 backend.')
+option('CommonCrypto', type: 'feature', value: 'auto',
+  description: 'Build tools written in Python.')
+
+option('sha1_backend', type: 'combo', choices: ['openssl', 'block', 'sha1dc', 'common-crypto'], value: 'sha1dc',
+  description: 'The backend used for hashing objects with the SHA1 object format')
+option('sha256_backend', type: 'combo', choices: ['openssl', 'nettle', 'gcrypt', 'block'], value: 'block',
+  description: 'The backend used for hashing objects with the SHA256 object format')
+
+option('gitweb_config', type: 'string', value: 'gitweb_config.perl')
+option('gitweb_config_system', type: 'string', value: '/etc/gitweb.conf')
+option('gitweb_config_common', type: 'string', value: '/etc/gitweb-common.conf')
+option('gitweb_home_link_str', type: 'string', value: 'projects')
+option('gitweb_sitename', type: 'string', value: '')
+option('gitweb_projectroot', type: 'string', value: '/pub/git')
+option('gitweb_project_maxdepth', type: 'string', value: '2007')
+option('gitweb_export_ok', type: 'string', value: '')
+option('gitweb_strict_export', type: 'string', value: '')
+option('gitweb_base_url', type: 'string', value: '')
+option('gitweb_list', type: 'string', value: '')
+option('gitweb_hometext', type: 'string', value: 'indextext.html')
+option('gitweb_css', type: 'string', value: 'static/gitweb.css')
+option('gitweb_logo', type: 'string', value: 'static/git-logo.png')
+option('gitweb_favicon', type: 'string', value: 'static/git-favicon.png')
+option('gitweb_js', type: 'string', value: 'static/gitweb.js')
+option('gitweb_site_html_head_string', type: 'string', value: '')
+option('gitweb_site_header', type: 'string', value: '')
+option('gitweb_site_footer', type: 'string', value: '')
+option('highlight_bin', type: 'string', value: 'highlight')
+
+option('tests', type: 'boolean', value: true,
+  description: 'Enable building tests. This requires Perl, but is separate from the "perl" option such that you can build tests without Perl features enabled.')
+option('test_output_directory', type: 'string',
+  description: 'Path to the directory used to store test outputs')
diff --git a/perl/FromCPAN/Mail/meson.build b/perl/FromCPAN/Mail/meson.build
new file mode 100644
index 0000000000..8cbd90ce18
--- /dev/null
+++ b/perl/FromCPAN/Mail/meson.build
@@ -0,0 +1,7 @@
+configure_file(
+  input: 'Address.pm',
+  output: 'Address.pm',
+  configuration: perl_config,
+  install: true,
+  install_dir: get_option('datadir') / 'perl5/FromCPAN/Mail',
+)
diff --git a/perl/FromCPAN/meson.build b/perl/FromCPAN/meson.build
new file mode 100644
index 0000000000..ff88b35c2c
--- /dev/null
+++ b/perl/FromCPAN/meson.build
@@ -0,0 +1,9 @@
+configure_file(
+  input: 'Error.pm',
+  output: 'Error.pm',
+  configuration: perl_config,
+  install: true,
+  install_dir: get_option('datadir') / 'perl5/FromCPAN',
+)
+
+subdir('Mail')
diff --git a/perl/Git/LoadCPAN/Mail/meson.build b/perl/Git/LoadCPAN/Mail/meson.build
new file mode 100644
index 0000000000..fbf324307b
--- /dev/null
+++ b/perl/Git/LoadCPAN/Mail/meson.build
@@ -0,0 +1,7 @@
+configure_file(
+  input: 'Address.pm',
+  output: 'Address.pm',
+  configuration: perl_config,
+  install: true,
+  install_dir: get_option('datadir') / 'perl5/Git/LoadCPAN/Mail',
+)
diff --git a/perl/Git/LoadCPAN/meson.build b/perl/Git/LoadCPAN/meson.build
new file mode 100644
index 0000000000..542e108225
--- /dev/null
+++ b/perl/Git/LoadCPAN/meson.build
@@ -0,0 +1,9 @@
+configure_file(
+  input: 'Error.pm',
+  output: 'Error.pm',
+  configuration: perl_config,
+  install: true,
+  install_dir: get_option('datadir') / 'perl5/Git/LoadCPAN',
+)
+
+subdir('Mail')
diff --git a/perl/Git/SVN/Memoize/meson.build b/perl/Git/SVN/Memoize/meson.build
new file mode 100644
index 0000000000..727375c833
--- /dev/null
+++ b/perl/Git/SVN/Memoize/meson.build
@@ -0,0 +1,7 @@
+configure_file(
+  input: 'YAML.pm',
+  output: 'YAML.pm',
+  configuration: perl_config,
+  install: true,
+  install_dir: get_option('datadir') / 'perl5/Git/SVN',
+)
diff --git a/perl/Git/SVN/meson.build b/perl/Git/SVN/meson.build
new file mode 100644
index 0000000000..eccc3f2263
--- /dev/null
+++ b/perl/Git/SVN/meson.build
@@ -0,0 +1,20 @@
+foreach source : [
+  'Editor.pm',
+  'Fetcher.pm',
+  'GlobSpec.pm',
+  'Log.pm',
+  'Migration.pm',
+  'Prompt.pm',
+  'Ra.pm',
+  'Utils.pm',
+]
+  configure_file(
+    input: source,
+    output: source,
+    configuration: perl_config,
+    install: true,
+    install_dir: get_option('datadir') / 'perl5/Git/SVN',
+  )
+endforeach
+
+subdir('Memoize')
diff --git a/perl/Git/meson.build b/perl/Git/meson.build
new file mode 100644
index 0000000000..97bd62290d
--- /dev/null
+++ b/perl/Git/meson.build
@@ -0,0 +1,18 @@
+foreach source : [
+  'I18N.pm',
+  'IndexInfo.pm',
+  'LoadCPAN.pm',
+  'Packet.pm',
+  'SVN.pm',
+]
+  configure_file(
+    input: source,
+    output: source,
+    configuration: perl_config,
+    install: true,
+    install_dir: get_option('datadir') / 'perl5/Git',
+  )
+endforeach
+
+subdir('LoadCPAN')
+subdir('SVN')
diff --git a/perl/meson.build b/perl/meson.build
new file mode 100644
index 0000000000..0a7bf41d5b
--- /dev/null
+++ b/perl/meson.build
@@ -0,0 +1,18 @@
+perl_config = {
+  'LOCALEDIR': get_option('prefix') / get_option('datadir') / 'locale',
+  'NO_GETTEXT': iconv.found() ? '' : '1',
+  'NO_PERL_CPAN_FALLBACKS': get_option('perl_cpan_fallback') ? '' : '1',
+}
+
+configure_file(
+  input: 'Git.pm',
+  output: 'Git.pm',
+  configuration: perl_config,
+  install: true,
+  install_dir: get_option('datadir') / 'perl5',
+)
+
+subdir('Git')
+if get_option('perl_cpan_fallback')
+  subdir('FromCPAN')
+endif
diff --git a/po/meson.build b/po/meson.build
new file mode 100644
index 0000000000..fb1b92eb0a
--- /dev/null
+++ b/po/meson.build
@@ -0,0 +1,28 @@
+i18n = import('i18n')
+
+translations = i18n.gettext('git',
+  languages: [
+    'bg',
+    'ca',
+    'de',
+    'el',
+    'es',
+    'fr',
+    'id',
+    'is',
+    'it',
+    'ko',
+    'pl',
+    'pt_PT',
+    'ru',
+    'sv',
+    'tr',
+    'uk',
+    'vi',
+    'zh_CN',
+    'zh_TW',
+  ],
+  install: true,
+  install_dir: get_option('datadir'),
+)
+test_dependencies += translations[0]
diff --git a/t/helper/meson.build b/t/helper/meson.build
new file mode 100644
index 0000000000..5e83884246
--- /dev/null
+++ b/t/helper/meson.build
@@ -0,0 +1,91 @@
+test_tool_sources = [
+  '../unit-tests/test-lib.c',
+  'test-advise.c',
+  'test-bitmap.c',
+  'test-bloom.c',
+  'test-bundle-uri.c',
+  'test-cache-tree.c',
+  'test-chmtime.c',
+  'test-config.c',
+  'test-crontab.c',
+  'test-csprng.c',
+  'test-date.c',
+  'test-delete-gpgsig.c',
+  'test-delta.c',
+  'test-dir-iterator.c',
+  'test-drop-caches.c',
+  'test-dump-cache-tree.c',
+  'test-dump-fsmonitor.c',
+  'test-dump-split-index.c',
+  'test-dump-untracked-cache.c',
+  'test-env-helper.c',
+  'test-example-tap.c',
+  'test-find-pack.c',
+  'test-fsmonitor-client.c',
+  'test-genrandom.c',
+  'test-genzeros.c',
+  'test-getcwd.c',
+  'test-hash-speed.c',
+  'test-hash.c',
+  'test-hashmap.c',
+  'test-hexdump.c',
+  'test-json-writer.c',
+  'test-lazy-init-name-hash.c',
+  'test-match-trees.c',
+  'test-mergesort.c',
+  'test-mktemp.c',
+  'test-online-cpus.c',
+  'test-pack-mtimes.c',
+  'test-parse-options.c',
+  'test-parse-pathspec-file.c',
+  'test-partial-clone.c',
+  'test-path-utils.c',
+  'test-pcre2-config.c',
+  'test-pkt-line.c',
+  'test-proc-receive.c',
+  'test-progress.c',
+  'test-reach.c',
+  'test-read-cache.c',
+  'test-read-graph.c',
+  'test-read-midx.c',
+  'test-ref-store.c',
+  'test-reftable.c',
+  'test-regex.c',
+  'test-repository.c',
+  'test-revision-walking.c',
+  'test-rot13-filter.c',
+  'test-run-command.c',
+  'test-scrap-cache-tree.c',
+  'test-serve-v2.c',
+  'test-sha1.c',
+  'test-sha256.c',
+  'test-sigchain.c',
+  'test-simple-ipc.c',
+  'test-string-list.c',
+  'test-submodule-config.c',
+  'test-submodule-nested-repo-config.c',
+  'test-submodule.c',
+  'test-subprocess.c',
+  'test-tool.c',
+  'test-trace2.c',
+  'test-truncate.c',
+  'test-userdiff.c',
+  'test-wildmatch.c',
+  'test-windows-named-pipe.c',
+  'test-write-cache.c',
+  'test-xml-encode.c',
+]
+
+test_tool = executable('test-tool',
+  sources: test_tool_sources,
+  dependencies: [libgit, common_main],
+)
+bin_wrappers += test_tool
+test_dependencies += test_tool
+
+test_fake_ssh = executable('test-fake-ssh',
+  sources: 'test-fake-ssh.c',
+  dependencies: [libgit, common_main],
+)
+bin_wrappers += test_fake_ssh
+test_dependencies += test_fake_ssh
diff --git a/t/meson.build b/t/meson.build
new file mode 100644
index 0000000000..c6eb1129f8
--- /dev/null
+++ b/t/meson.build
@@ -0,0 +1,1107 @@
+awk = find_program('awk')
+
+clar_test_suites = [
+  'unit-tests/ctype.c',
+  'unit-tests/strvec.c',
+]
+
+clar_sources = [
+  'unit-tests/clar/clar.c',
+  'unit-tests/unit-test.c',
+]
+
+clar_decls_h = custom_target('clar_decls_h',
+    input: clar_test_suites,
+    output: 'clar-decls.h',
+    command : [shell, meson.current_source_dir() + '/unit-tests/generate-clar-decls.sh', '@OUTPUT@', '@INPUT@'],
+)
+
+clar_suite = custom_target('clar_suite',
+    input: clar_decls_h,
+    output: 'clar.suite',
+    feed: true,
+    capture: true,
+    command : [awk, '-f', meson.current_source_dir() + '/unit-tests/clar-generate.awk'],
+)
+
+clar_generated_sources = [
+  clar_decls_h,
+  clar_suite,
+]
+
+clar_unit_tests = executable('unit-tests',
+  sources: clar_sources + clar_generated_sources + clar_test_suites,
+  dependencies: [libgit, common_main],
+)
+test('unit-tests', clar_unit_tests)
+
+unit_test_programs = [
+  'unit-tests/t-example-decorate.c',
+  'unit-tests/t-hash.c',
+  'unit-tests/t-hashmap.c',
+  'unit-tests/t-mem-pool.c',
+  'unit-tests/t-oid-array.c',
+  'unit-tests/t-oidmap.c',
+  'unit-tests/t-oidtree.c',
+  'unit-tests/t-prio-queue.c',
+  'unit-tests/t-reftable-basics.c',
+  'unit-tests/t-reftable-block.c',
+  'unit-tests/t-reftable-merged.c',
+  'unit-tests/t-reftable-pq.c',
+  'unit-tests/t-reftable-readwrite.c',
+  'unit-tests/t-reftable-record.c',
+  'unit-tests/t-reftable-stack.c',
+  'unit-tests/t-reftable-tree.c',
+  'unit-tests/t-strbuf.c',
+  'unit-tests/t-strcmp-offset.c',
+  'unit-tests/t-trailer.c',
+  'unit-tests/t-urlmatch-normalization.c',
+]
+
+foreach unit_test_program : unit_test_programs
+  unit_test_name = fs.stem(unit_test_program)
+  unit_test = executable(unit_test_name,
+    sources: [
+      'unit-tests/test-lib.c',
+      'unit-tests/lib-oid.c',
+      'unit-tests/lib-reftable.c',
+      unit_test_program,
+    ],
+    dependencies: [libgit, common_main],
+  )
+  test(unit_test_name, unit_test,
+    workdir: meson.current_source_dir(),
+  )
+endforeach
+
+subdir('helper')
+
+integration_tests = [
+  't0000-basic.sh',
+  't0001-init.sh',
+  't0002-gitfile.sh',
+  't0003-attributes.sh',
+  't0004-unwritable.sh',
+  't0005-signals.sh',
+  't0006-date.sh',
+  't0007-git-var.sh',
+  't0008-ignores.sh',
+  't0010-racy-git.sh',
+  't0012-help.sh',
+  't0013-sha1dc.sh',
+  't0014-alias.sh',
+  't0017-env-helper.sh',
+  't0018-advice.sh',
+  't0019-json-writer.sh',
+  't0020-crlf.sh',
+  't0021-conversion.sh',
+  't0022-crlf-rename.sh',
+  't0023-crlf-am.sh',
+  't0024-crlf-archive.sh',
+  't0025-crlf-renormalize.sh',
+  't0026-eol-config.sh',
+  't0027-auto-crlf.sh',
+  't0028-working-tree-encoding.sh',
+  't0029-core-unsetenvvars.sh',
+  't0030-stripspace.sh',
+  't0033-safe-directory.sh',
+  't0034-root-safe-directory.sh',
+  't0035-safe-bare-repository.sh',
+  't0040-parse-options.sh',
+  't0041-usage.sh',
+  't0050-filesystem.sh',
+  't0051-windows-named-pipe.sh',
+  't0052-simple-ipc.sh',
+  't0055-beyond-symlinks.sh',
+  't0056-git-C.sh',
+  't0060-path-utils.sh',
+  't0061-run-command.sh',
+  't0062-revision-walking.sh',
+  't0063-string-list.sh',
+  't0066-dir-iterator.sh',
+  't0067-parse_pathspec_file.sh',
+  't0068-for-each-repo.sh',
+  't0070-fundamental.sh',
+  't0071-sort.sh',
+  't0080-unit-test-output.sh',
+  't0081-find-pack.sh',
+  't0090-cache-tree.sh',
+  't0091-bugreport.sh',
+  't0092-diagnose.sh',
+  't0095-bloom.sh',
+  't0100-previous.sh',
+  't0101-at-syntax.sh',
+  't0200-gettext-basic.sh',
+  't0201-gettext-fallbacks.sh',
+  't0202-gettext-perl.sh',
+  't0203-gettext-setlocale-sanity.sh',
+  't0204-gettext-reencode-sanity.sh',
+  't0210-trace2-normal.sh',
+  't0211-trace2-perf.sh',
+  't0212-trace2-event.sh',
+  't0300-credentials.sh',
+  't0301-credential-cache.sh',
+  't0302-credential-store.sh',
+  't0303-credential-external.sh',
+  't0410-partial-clone.sh',
+  't0411-clone-from-partial.sh',
+  't0450-txt-doc-vs-help.sh',
+  't0500-progress-display.sh',
+  't0600-reffiles-backend.sh',
+  't0601-reffiles-pack-refs.sh',
+  't0602-reffiles-fsck.sh',
+  't0610-reftable-basics.sh',
+  't0611-reftable-httpd.sh',
+  't0612-reftable-jgit-compatibility.sh',
+  't0613-reftable-write-options.sh',
+  't1000-read-tree-m-3way.sh',
+  't1001-read-tree-m-2way.sh',
+  't1002-read-tree-m-u-2way.sh',
+  't1003-read-tree-prefix.sh',
+  't1004-read-tree-m-u-wf.sh',
+  't1005-read-tree-reset.sh',
+  't1006-cat-file.sh',
+  't1007-hash-object.sh',
+  't1008-read-tree-overlay.sh',
+  't1009-read-tree-new-index.sh',
+  't1010-mktree.sh',
+  't1011-read-tree-sparse-checkout.sh',
+  't1012-read-tree-df.sh',
+  't1013-read-tree-submodule.sh',
+  't1014-read-tree-confusing.sh',
+  't1015-read-index-unmerged.sh',
+  't1016-compatObjectFormat.sh',
+  't1020-subdirectory.sh',
+  't1021-rerere-in-workdir.sh',
+  't1022-read-tree-partial-clone.sh',
+  't1050-large.sh',
+  't1051-large-conversion.sh',
+  't1060-object-corruption.sh',
+  't1090-sparse-checkout-scope.sh',
+  't1091-sparse-checkout-builtin.sh',
+  't1092-sparse-checkout-compatibility.sh',
+  't1100-commit-tree-options.sh',
+  't1300-config.sh',
+  't1301-shared-repo.sh',
+  't1302-repo-version.sh',
+  't1303-wacky-config.sh',
+  't1304-default-acl.sh',
+  't1305-config-include.sh',
+  't1306-xdg-files.sh',
+  't1307-config-blob.sh',
+  't1308-config-set.sh',
+  't1309-early-config.sh',
+  't1310-config-default.sh',
+  't1350-config-hooks-path.sh',
+  't1400-update-ref.sh',
+  't1401-symbolic-ref.sh',
+  't1402-check-ref-format.sh',
+  't1403-show-ref.sh',
+  't1404-update-ref-errors.sh',
+  't1405-main-ref-store.sh',
+  't1406-submodule-ref-store.sh',
+  't1407-worktree-ref-store.sh',
+  't1408-packed-refs.sh',
+  't1409-avoid-packing-refs.sh',
+  't1410-reflog.sh',
+  't1411-reflog-show.sh',
+  't1412-reflog-loop.sh',
+  't1413-reflog-detach.sh',
+  't1414-reflog-walk.sh',
+  't1415-worktree-refs.sh',
+  't1416-ref-transaction-hooks.sh',
+  't1417-reflog-updateref.sh',
+  't1418-reflog-exists.sh',
+  't1419-exclude-refs.sh',
+  't1420-lost-found.sh',
+  't1430-bad-ref-name.sh',
+  't1450-fsck.sh',
+  't1451-fsck-buffer.sh',
+  't1460-refs-migrate.sh',
+  't1500-rev-parse.sh',
+  't1501-work-tree.sh',
+  't1502-rev-parse-parseopt.sh',
+  't1503-rev-parse-verify.sh',
+  't1504-ceiling-dirs.sh',
+  't1505-rev-parse-last.sh',
+  't1506-rev-parse-diagnosis.sh',
+  't1507-rev-parse-upstream.sh',
+  't1508-at-combinations.sh',
+  't1509-root-work-tree.sh',
+  't1510-repo-setup.sh',
+  't1511-rev-parse-caret.sh',
+  't1512-rev-parse-disambiguation.sh',
+  't1513-rev-parse-prefix.sh',
+  't1514-rev-parse-push.sh',
+  't1515-rev-parse-outside-repo.sh',
+  't1517-outside-repo.sh',
+  't1600-index.sh',
+  't1601-index-bogus.sh',
+  't1700-split-index.sh',
+  't1701-racy-split-index.sh',
+  't1800-hook.sh',
+  't2000-conflict-when-checking-files-out.sh',
+  't2002-checkout-cache-u.sh',
+  't2003-checkout-cache-mkdir.sh',
+  't2004-checkout-cache-temp.sh',
+  't2005-checkout-index-symlinks.sh',
+  't2006-checkout-index-basic.sh',
+  't2007-checkout-symlink.sh',
+  't2008-checkout-subdir.sh',
+  't2009-checkout-statinfo.sh',
+  't2010-checkout-ambiguous.sh',
+  't2011-checkout-invalid-head.sh',
+  't2012-checkout-last.sh',
+  't2013-checkout-submodule.sh',
+  't2014-checkout-switch.sh',
+  't2015-checkout-unborn.sh',
+  't2016-checkout-patch.sh',
+  't2017-checkout-orphan.sh',
+  't2018-checkout-branch.sh',
+  't2019-checkout-ambiguous-ref.sh',
+  't2020-checkout-detach.sh',
+  't2021-checkout-overwrite.sh',
+  't2022-checkout-paths.sh',
+  't2023-checkout-m.sh',
+  't2024-checkout-dwim.sh',
+  't2025-checkout-no-overlay.sh',
+  't2026-checkout-pathspec-file.sh',
+  't2027-checkout-track.sh',
+  't2030-unresolve-info.sh',
+  't2050-git-dir-relative.sh',
+  't2060-switch.sh',
+  't2070-restore.sh',
+  't2071-restore-patch.sh',
+  't2072-restore-pathspec-file.sh',
+  't2080-parallel-checkout-basics.sh',
+  't2081-parallel-checkout-collisions.sh',
+  't2082-parallel-checkout-attributes.sh',
+  't2100-update-cache-badpath.sh',
+  't2101-update-index-reupdate.sh',
+  't2102-update-index-symlinks.sh',
+  't2103-update-index-ignore-missing.sh',
+  't2104-update-index-skip-worktree.sh',
+  't2105-update-index-gitfile.sh',
+  't2106-update-index-assume-unchanged.sh',
+  't2107-update-index-basic.sh',
+  't2108-update-index-refresh-racy.sh',
+  't2200-add-update.sh',
+  't2201-add-update-typechange.sh',
+  't2202-add-addremove.sh',
+  't2203-add-intent.sh',
+  't2204-add-ignored.sh',
+  't2205-add-worktree-config.sh',
+  't2300-cd-to-toplevel.sh',
+  't2400-worktree-add.sh',
+  't2401-worktree-prune.sh',
+  't2402-worktree-list.sh',
+  't2403-worktree-move.sh',
+  't2404-worktree-config.sh',
+  't2405-worktree-submodule.sh',
+  't2406-worktree-repair.sh',
+  't2407-worktree-heads.sh',
+  't2500-untracked-overwriting.sh',
+  't2501-cwd-empty.sh',
+  't3000-ls-files-others.sh',
+  't3001-ls-files-others-exclude.sh',
+  't3002-ls-files-dashpath.sh',
+  't3003-ls-files-exclude.sh',
+  't3004-ls-files-basic.sh',
+  't3005-ls-files-relative.sh',
+  't3006-ls-files-long.sh',
+  't3007-ls-files-recurse-submodules.sh',
+  't3008-ls-files-lazy-init-name-hash.sh',
+  't3009-ls-files-others-nonsubmodule.sh',
+  't3010-ls-files-killed-modified.sh',
+  't3011-common-prefixes-and-directory-traversal.sh',
+  't3012-ls-files-dedup.sh',
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+  't7001-mv.sh',
+  't7002-mv-sparse-checkout.sh',
+  't7003-filter-branch.sh',
+  't7004-tag.sh',
+  't7005-editor.sh',
+  't7006-pager.sh',
+  't7007-show.sh',
+  't7008-filter-branch-null-sha1.sh',
+  't7010-setup.sh',
+  't7011-skip-worktree-reading.sh',
+  't7012-skip-worktree-writing.sh',
+  't7030-verify-tag.sh',
+  't7031-verify-tag-signed-ssh.sh',
+  't7060-wtstatus.sh',
+  't7061-wtstatus-ignore.sh',
+  't7062-wtstatus-ignorecase.sh',
+  't7063-status-untracked-cache.sh',
+  't7064-wtstatus-pv2.sh',
+  't7101-reset-empty-subdirs.sh',
+  't7102-reset.sh',
+  't7103-reset-bare.sh',
+  't7104-reset-hard.sh',
+  't7105-reset-patch.sh',
+  't7106-reset-unborn-branch.sh',
+  't7107-reset-pathspec-file.sh',
+  't7110-reset-merge.sh',
+  't7111-reset-table.sh',
+  't7112-reset-submodule.sh',
+  't7113-post-index-change-hook.sh',
+  't7201-co.sh',
+  't7300-clean.sh',
+  't7301-clean-interactive.sh',
+  't7400-submodule-basic.sh',
+  't7401-submodule-summary.sh',
+  't7402-submodule-rebase.sh',
+  't7403-submodule-sync.sh',
+  't7406-submodule-update.sh',
+  't7407-submodule-foreach.sh',
+  't7408-submodule-reference.sh',
+  't7409-submodule-detached-work-tree.sh',
+  't7411-submodule-config.sh',
+  't7412-submodule-absorbgitdirs.sh',
+  't7413-submodule-is-active.sh',
+  't7414-submodule-mistakes.sh',
+  't7416-submodule-dash-url.sh',
+  't7417-submodule-path-url.sh',
+  't7418-submodule-sparse-gitmodules.sh',
+  't7419-submodule-set-branch.sh',
+  't7420-submodule-set-url.sh',
+  't7421-submodule-summary-add.sh',
+  't7422-submodule-output.sh',
+  't7423-submodule-symlinks.sh',
+  't7424-submodule-mixed-ref-formats.sh',
+  't7450-bad-git-dotfiles.sh',
+  't7500-commit-template-squash-signoff.sh',
+  't7501-commit-basic-functionality.sh',
+  't7502-commit-porcelain.sh',
+  't7503-pre-commit-and-pre-merge-commit-hooks.sh',
+  't7504-commit-msg-hook.sh',
+  't7505-prepare-commit-msg-hook.sh',
+  't7506-status-submodule.sh',
+  't7507-commit-verbose.sh',
+  't7508-status.sh',
+  't7509-commit-authorship.sh',
+  't7510-signed-commit.sh',
+  't7511-status-index.sh',
+  't7512-status-help.sh',
+  't7513-interpret-trailers.sh',
+  't7514-commit-patch.sh',
+  't7515-status-symlinks.sh',
+  't7516-commit-races.sh',
+  't7517-per-repo-email.sh',
+  't7518-ident-corner-cases.sh',
+  't7519-status-fsmonitor.sh',
+  't7520-ignored-hook-warning.sh',
+  't7521-ignored-mode.sh',
+  't7524-commit-summary.sh',
+  't7525-status-rename.sh',
+  't7526-commit-pathspec-file.sh',
+  't7527-builtin-fsmonitor.sh',
+  't7528-signed-commit-ssh.sh',
+  't7600-merge.sh',
+  't7601-merge-pull-config.sh',
+  't7602-merge-octopus-many.sh',
+  't7603-merge-reduce-heads.sh',
+  't7604-merge-custom-message.sh',
+  't7605-merge-resolve.sh',
+  't7606-merge-custom.sh',
+  't7607-merge-state.sh',
+  't7608-merge-messages.sh',
+  't7609-mergetool--lib.sh',
+  't7610-mergetool.sh',
+  't7611-merge-abort.sh',
+  't7612-merge-verify-signatures.sh',
+  't7614-merge-signoff.sh',
+  't7615-diff-algo-with-mergy-operations.sh',
+  't7700-repack.sh',
+  't7701-repack-unpack-unreachable.sh',
+  't7702-repack-cyclic-alternate.sh',
+  't7703-repack-geometric.sh',
+  't7704-repack-cruft.sh',
+  't7800-difftool.sh',
+  't7810-grep.sh',
+  't7811-grep-open.sh',
+  't7812-grep-icase-non-ascii.sh',
+  't7813-grep-icase-iso.sh',
+  't7814-grep-recurse-submodules.sh',
+  't7815-grep-binary.sh',
+  't7816-grep-binary-pattern.sh',
+  't7817-grep-sparse-checkout.sh',
+  't7900-maintenance.sh',
+  't8001-annotate.sh',
+  't8002-blame.sh',
+  't8003-blame-corner-cases.sh',
+  't8004-blame-with-conflicts.sh',
+  't8005-blame-i18n.sh',
+  't8006-blame-textconv.sh',
+  't8007-cat-file-textconv.sh',
+  't8008-blame-formats.sh',
+  't8009-blame-vs-topicbranches.sh',
+  't8010-cat-file-filters.sh',
+  't8011-blame-split-file.sh',
+  't8012-blame-colors.sh',
+  't8013-blame-ignore-revs.sh',
+  't8014-blame-ignore-fuzzy.sh',
+  't9001-send-email.sh',
+  't9002-column.sh',
+  't9003-help-autocorrect.sh',
+  't9100-git-svn-basic.sh',
+  't9101-git-svn-props.sh',
+  't9102-git-svn-deep-rmdir.sh',
+  't9103-git-svn-tracked-directory-removed.sh',
+  't9104-git-svn-follow-parent.sh',
+  't9105-git-svn-commit-diff.sh',
+  't9106-git-svn-commit-diff-clobber.sh',
+  't9107-git-svn-migrate.sh',
+  't9108-git-svn-glob.sh',
+  't9109-git-svn-multi-glob.sh',
+  't9110-git-svn-use-svm-props.sh',
+  't9111-git-svn-use-svnsync-props.sh',
+  't9112-git-svn-md5less-file.sh',
+  't9113-git-svn-dcommit-new-file.sh',
+  't9114-git-svn-dcommit-merge.sh',
+  't9115-git-svn-dcommit-funky-renames.sh',
+  't9116-git-svn-log.sh',
+  't9117-git-svn-init-clone.sh',
+  't9118-git-svn-funky-branch-names.sh',
+  't9119-git-svn-info.sh',
+  't9120-git-svn-clone-with-percent-escapes.sh',
+  't9121-git-svn-fetch-renamed-dir.sh',
+  't9122-git-svn-author.sh',
+  't9123-git-svn-rebuild-with-rewriteroot.sh',
+  't9124-git-svn-dcommit-auto-props.sh',
+  't9125-git-svn-multi-glob-branch-names.sh',
+  't9126-git-svn-follow-deleted-readded-directory.sh',
+  't9127-git-svn-partial-rebuild.sh',
+  't9128-git-svn-cmd-branch.sh',
+  't9129-git-svn-i18n-commitencoding.sh',
+  't9130-git-svn-authors-file.sh',
+  't9131-git-svn-empty-symlink.sh',
+  't9132-git-svn-broken-symlink.sh',
+  't9133-git-svn-nested-git-repo.sh',
+  't9134-git-svn-ignore-paths.sh',
+  't9135-git-svn-moved-branch-empty-file.sh',
+  't9136-git-svn-recreated-branch-empty-file.sh',
+  't9137-git-svn-dcommit-clobber-series.sh',
+  't9138-git-svn-authors-prog.sh',
+  't9139-git-svn-non-utf8-commitencoding.sh',
+  't9140-git-svn-reset.sh',
+  't9141-git-svn-multiple-branches.sh',
+  't9142-git-svn-shallow-clone.sh',
+  't9143-git-svn-gc.sh',
+  't9144-git-svn-old-rev_map.sh',
+  't9145-git-svn-master-branch.sh',
+  't9146-git-svn-empty-dirs.sh',
+  't9147-git-svn-include-paths.sh',
+  't9148-git-svn-propset.sh',
+  't9150-svk-mergetickets.sh',
+  't9151-svn-mergeinfo.sh',
+  't9152-svn-empty-dirs-after-gc.sh',
+  't9153-git-svn-rewrite-uuid.sh',
+  't9154-git-svn-fancy-glob.sh',
+  't9155-git-svn-fetch-deleted-tag.sh',
+  't9156-git-svn-fetch-deleted-tag-2.sh',
+  't9157-git-svn-fetch-merge.sh',
+  't9158-git-svn-mergeinfo.sh',
+  't9159-git-svn-no-parent-mergeinfo.sh',
+  't9160-git-svn-preserve-empty-dirs.sh',
+  't9161-git-svn-mergeinfo-push.sh',
+  't9162-git-svn-dcommit-interactive.sh',
+  't9163-git-svn-reset-clears-caches.sh',
+  't9164-git-svn-dcommit-concurrent.sh',
+  't9165-git-svn-fetch-merge-branch-of-branch.sh',
+  't9166-git-svn-fetch-merge-branch-of-branch2.sh',
+  't9167-git-svn-cmd-branch-subproject.sh',
+  't9168-git-svn-partially-globbed-names.sh',
+  't9169-git-svn-dcommit-crlf.sh',
+  't9200-git-cvsexportcommit.sh',
+  't9210-scalar.sh',
+  't9211-scalar-clone.sh',
+  't9300-fast-import.sh',
+  't9301-fast-import-notes.sh',
+  't9302-fast-import-unpack-limit.sh',
+  't9303-fast-import-compression.sh',
+  't9304-fast-import-marks.sh',
+  't9350-fast-export.sh',
+  't9351-fast-export-anonymize.sh',
+  't9400-git-cvsserver-server.sh',
+  't9401-git-cvsserver-crlf.sh',
+  't9402-git-cvsserver-refs.sh',
+  't9500-gitweb-standalone-no-errors.sh',
+  't9501-gitweb-standalone-http-status.sh',
+  't9502-gitweb-standalone-parse-output.sh',
+  't9600-cvsimport.sh',
+  't9601-cvsimport-vendor-branch.sh',
+  't9602-cvsimport-branches-tags.sh',
+  't9603-cvsimport-patchsets.sh',
+  't9604-cvsimport-timestamps.sh',
+  't9700-perl-git.sh',
+  't9800-git-p4-basic.sh',
+  't9801-git-p4-branch.sh',
+  't9802-git-p4-filetype.sh',
+  't9803-git-p4-shell-metachars.sh',
+  't9804-git-p4-label.sh',
+  't9805-git-p4-skip-submit-edit.sh',
+  't9806-git-p4-options.sh',
+  't9807-git-p4-submit.sh',
+  't9808-git-p4-chdir.sh',
+  't9809-git-p4-client-view.sh',
+  't9810-git-p4-rcs.sh',
+  't9811-git-p4-label-import.sh',
+  't9812-git-p4-wildcards.sh',
+  't9813-git-p4-preserve-users.sh',
+  't9814-git-p4-rename.sh',
+  't9815-git-p4-submit-fail.sh',
+  't9816-git-p4-locked.sh',
+  't9817-git-p4-exclude.sh',
+  't9818-git-p4-block.sh',
+  't9819-git-p4-case-folding.sh',
+  't9820-git-p4-editor-handling.sh',
+  't9821-git-p4-path-variations.sh',
+  't9822-git-p4-path-encoding.sh',
+  't9823-git-p4-mock-lfs.sh',
+  't9824-git-p4-git-lfs.sh',
+  't9825-git-p4-handle-utf16-without-bom.sh',
+  't9826-git-p4-keep-empty-commits.sh',
+  't9827-git-p4-change-filetype.sh',
+  't9828-git-p4-map-user.sh',
+  't9829-git-p4-jobs.sh',
+  't9830-git-p4-symlink-dir.sh',
+  't9831-git-p4-triggers.sh',
+  't9832-unshelve.sh',
+  't9833-errors.sh',
+  't9834-git-p4-file-dir-bug.sh',
+  't9835-git-p4-metadata-encoding-python2.sh',
+  't9836-git-p4-metadata-encoding-python3.sh',
+  't9850-shell.sh',
+  't9901-git-web--browse.sh',
+  't9902-completion.sh',
+  't9903-bash-prompt.sh',
+]
+
+# GIT_BUILD_DIR needs to be Unix-style without drive prefixes as it get added
+# to the PATH variable. And given that drive prefixes contain a colon we'd
+# otherwise end up with a broken PATH if we didn't convert it.
+git_build_dir = meson.project_build_root()
+if cygpath.found()
+  git_build_dir = run_command(cygpath, git_build_dir, check: true).stdout().strip()
+endif
+
+foreach integration_test : integration_tests
+  test(fs.stem(integration_test), shell,
+    args: [ integration_test ],
+    workdir: meson.current_source_dir(),
+    env: {
+      'GIT_BUILD_DIR': git_build_dir,
+    },
+    depends: test_dependencies + bin_wrappers,
+    timeout: 0,
+  )
+endforeach
diff --git a/templates/hooks/meson.build b/templates/hooks/meson.build
new file mode 100644
index 0000000000..9bef5d7cfa
--- /dev/null
+++ b/templates/hooks/meson.build
@@ -0,0 +1,24 @@
+hooks = [
+  'applypatch-msg.sample',
+  'commit-msg.sample',
+  'fsmonitor-watchman.sample',
+  'post-update.sample',
+  'pre-applypatch.sample',
+  'pre-commit.sample',
+  'pre-merge-commit.sample',
+  'prepare-commit-msg.sample',
+  'pre-push.sample',
+  'pre-rebase.sample',
+  'pre-receive.sample',
+  'push-to-checkout.sample',
+  'sendemail-validate.sample',
+  'update.sample',
+]
+
+foreach hook : hooks
+  configure_file(
+    input: hook,
+    output: hook,
+    configuration: script_sh_config,
+  )
+endforeach
diff --git a/templates/info/meson.build b/templates/info/meson.build
new file mode 100644
index 0000000000..4ee1cfdf89
--- /dev/null
+++ b/templates/info/meson.build
@@ -0,0 +1,5 @@
+configure_file(
+  input: 'exclude',
+  output: 'exclude',
+  configuration: script_sh_config,
+)
diff --git a/templates/meson.build b/templates/meson.build
new file mode 100644
index 0000000000..7428aaf1e6
--- /dev/null
+++ b/templates/meson.build
@@ -0,0 +1,8 @@
+configure_file(
+  input: 'description',
+  output: 'description',
+  configuration: script_sh_config,
+)
+
+subdir('hooks')
+subdir('info')
-- 
2.47.0.rc0.dirty





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