For example
git clone git@remote:repo --sparse-prefix=/contrib/
would create a repository, cloning only the relevant files for the
contrib subdirectory, and also setting the sparse-checkout option, so
only those files will be checked out.
Signed-off-by: Robin Ruede <r.ruede@xxxxxxxxx>
---
builtin/clone.c | 27 ++++++++++++++++++++++++---
1 file changed, 24 insertions(+), 3 deletions(-)
diff --git a/builtin/clone.c b/builtin/clone.c
index 31ea247..dc0d364 100644
--- a/builtin/clone.c
+++ b/builtin/clone.c
@@ -41,7 +41,7 @@ static const char * const builtin_clone_usage[] = {
static int option_no_checkout, option_bare, option_mirror, option_single_branch = -1;
static int option_local = -1, option_no_hardlinks, option_shared, option_recursive;
static int option_shallow_submodules;
-static char *option_template, *option_depth;
+static char *option_template, *option_depth, *option_sparse_prefix;
static char *option_origin = NULL;
static char *option_branch = NULL;
static const char *real_git_dir;
@@ -91,6 +91,8 @@ static struct option builtin_clone_options[] = {
N_("path to git-upload-pack on the remote")),
OPT_STRING(0, "depth", &option_depth, N_("depth"),
N_("create a shallow clone of that depth")),
+ OPT_STRING(0, "sparse-prefix", &option_sparse_prefix, N_("path-prefix"),
+ N_("only fetch the blobs for the specified path-prefix")),
OPT_BOOL(0, "single-branch", &option_single_branch,
N_("clone only one branch, HEAD or --branch")),
OPT_BOOL(0, "shallow-submodules", &option_shallow_submodules,
@@ -959,9 +961,22 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
}
init_db(option_template, INIT_DB_QUIET);
write_config(&option_config);
-
+ if (option_sparse_prefix) {
+ FILE *f;
+ const char *name;
+ if (option_sparse_prefix[0] != '/')
+ die(N_("sparse prefix must start with /"));
+ name = mkpath("%s/info/sparse-checkout", git_dir);
+ git_config_set("core.sparsecheckout", "true");
+ safe_create_leading_directories_const(name);
+ f = fopen(name, "w");
+ if(f == NULL) die("Could not open %s", name);
+ fprintf(f, "%s\n", option_sparse_prefix);
+ fclose(f);
+ }
git_config(git_default_config, NULL);
+
if (option_bare) {
if (option_mirror)
src_ref_prefix = "refs/";
@@ -977,6 +992,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
git_config_set(key.buf, repo);
strbuf_reset(&key);
+
if (option_reference.nr)
setup_reference();
@@ -995,6 +1011,8 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
if (is_local) {
if (option_depth)
warning(_("--depth is ignored in local clones; use file:// instead."));
+ if (option_sparse_prefix)
+ warning(_("--sparse-prefix is ignored in local clones; use file:// instead."));
if (!access(mkpath("%s/shallow", path), F_OK)) {
if (option_local > 0)
warning(_("source repository is shallow, ignoring --local"));
@@ -1013,6 +1031,9 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
if (option_depth)
transport_set_option(transport, TRANS_OPT_DEPTH,
option_depth);
+ if (option_sparse_prefix)
+ transport_set_option(transport, TRANS_OPT_SPARSE_PREFIX,
+ option_sparse_prefix);
if (option_single_branch)
transport_set_option(transport, TRANS_OPT_FOLLOWTAGS, "1");
@@ -1020,7 +1041,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
transport_set_option(transport, TRANS_OPT_UPLOADPACK,
option_upload_pack);
- if (transport->smart_options && !option_depth)
+ if (transport->smart_options && !option_depth && !option_sparse_prefix)
transport->smart_options->check_self_contained_and_connected = 1;
refs = transport_get_remote_refs(transport);
--
2.9.1.283.g3ca5b4c.dirty
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