Merge branch 'jk/unused-post-2.39-part2'

More work towards -Wunused.

* jk/unused-post-2.39-part2: (21 commits)
  help: mark unused parameter in git_unknown_cmd_config()
  run_processes_parallel: mark unused callback parameters
  userformat_want_item(): mark unused parameter
  for_each_commit_graft(): mark unused callback parameter
  rewrite_parents(): mark unused callback parameter
  fetch-pack: mark unused parameter in callback function
  notes: mark unused callback parameters
  prio-queue: mark unused parameters in comparison functions
  for_each_object: mark unused callback parameters
  list-objects: mark unused callback parameters
  mark unused parameters in signal handlers
  run-command: mark error routine parameters as unused
  mark "pointless" data pointers in callbacks
  ref-filter: mark unused callback parameters
  http-backend: mark unused parameters in virtual functions
  http-backend: mark argc/argv unused
  object-name: mark unused parameters in disambiguate callbacks
  serve: mark unused parameters in virtual functions
  serve: use repository pointer to get config
  ls-refs: drop config caching
  ...

1 files changed, 4 insertions, 4 deletions

diff --git a/http-backend.c b/http-backend.c
index 45290031e0..9cfc6f2541 100644
--- a/http-backend.c
+++ b/http-backend.c
@@ -526,7 +526,7 @@ static int show_text_ref(const char *name, const struct object_id *oid,
 	return 0;
 }
 
-static void get_info_refs(struct strbuf *hdr, char *arg)
+static void get_info_refs(struct strbuf *hdr, char *arg UNUSED)
 {
 	const char *service_name = get_parameter("service");
 	struct strbuf buf = STRBUF_INIT;
@@ -580,7 +580,7 @@ static int show_head_ref(const char *refname, const struct object_id *oid,
 	return 0;
 }
 
-static void get_head(struct strbuf *hdr, char *arg)
+static void get_head(struct strbuf *hdr, char *arg UNUSED)
 {
 	struct strbuf buf = STRBUF_INIT;
 
@@ -590,7 +590,7 @@ static void get_head(struct strbuf *hdr, char *arg)
 	strbuf_release(&buf);
 }
 
-static void get_info_packs(struct strbuf *hdr, char *arg)
+static void get_info_packs(struct strbuf *hdr, char *arg UNUSED)
 {
 	size_t objdirlen = strlen(get_object_directory());
 	struct strbuf buf = STRBUF_INIT;
@@ -738,7 +738,7 @@ static int bad_request(struct strbuf *hdr, const struct service_cmd *c)
 	return 0;
 }
 
-int cmd_main(int argc, const char **argv)
+int cmd_main(int argc UNUSED, const char **argv UNUSED)
 {
 	char *method = getenv("REQUEST_METHOD");
 	const char *proto_header;