More from my -Wunused-parameter silencing. The first one actually fixes a bug. The second is a cleanup, and the rest are just UNUSED annotations (but grouped into similar cases). [1/7]: fast-import: fix file access when run from subdir [2/7]: builtins: always pass prefix to parse_options() [3/7]: builtins: annotate always-empty prefix parameters [4/7]: builtins: mark unused prefix parameters [5/7]: mark "argv" as unused when we check argc [6/7]: t/helper: mark unused argv/argc arguments [7/7]: parse-options: drop parse_opt_unknown_cb() builtin.h | 10 ++++++++++ builtin/check-ref-format.c | 2 ++ builtin/credential.c | 2 +- builtin/diff.c | 6 +++--- builtin/fast-import.c | 10 ++++++++-- builtin/fetch-pack.c | 2 +- builtin/fsmonitor--daemon.c | 2 +- builtin/get-tar-commit-id.c | 4 +++- builtin/mailsplit.c | 2 ++ builtin/merge-index.c | 2 +- builtin/merge-ours.c | 2 +- builtin/merge-recursive.c | 2 +- builtin/mktag.c | 2 +- builtin/pack-redundant.c | 2 +- builtin/remote-ext.c | 2 ++ builtin/remote-fd.c | 2 ++ builtin/revert.c | 9 +++++---- builtin/stash.c | 2 +- builtin/submodule--helper.c | 2 +- builtin/unpack-file.c | 2 +- builtin/unpack-objects.c | 2 +- builtin/upload-archive.c | 2 ++ builtin/var.c | 2 +- parse-options-cb.c | 15 -------------- parse-options.h | 3 --- scalar.c | 2 +- t/helper/test-ctype.c | 2 +- t/helper/test-date.c | 2 +- t/helper/test-drop-caches.c | 2 +- t/helper/test-dump-cache-tree.c | 2 +- t/helper/test-dump-fsmonitor.c | 2 +- t/helper/test-dump-split-index.c | 2 +- t/helper/test-dump-untracked-cache.c | 2 +- t/helper/test-example-decorate.c | 2 +- t/helper/test-fsmonitor-client.c | 2 +- t/helper/test-hexdump.c | 2 +- t/helper/test-index-version.c | 2 +- t/helper/test-match-trees.c | 2 +- t/helper/test-oid-array.c | 2 +- t/helper/test-oidmap.c | 2 +- t/helper/test-oidtree.c | 4 ++-- t/helper/test-online-cpus.c | 2 +- t/helper/test-parse-options.c | 4 ++-- t/helper/test-prio-queue.c | 2 +- t/helper/test-read-graph.c | 2 +- t/helper/test-ref-store.c | 5 +++-- t/helper/test-scrap-cache-tree.c | 2 +- t/helper/test-sigchain.c | 2 +- t/helper/test-strcmp-offset.c | 2 +- t/helper/test-submodule-config.c | 2 +- t/helper/test-submodule.c | 2 +- t/helper/test-trace2.c | 6 +++--- t/helper/test-xml-encode.c | 2 +- t/t9304-fast-import-marks.sh | 29 ++++++++++++++++++++++++++++ 54 files changed, 115 insertions(+), 74 deletions(-)