Commit d4bb43e (Invoke "git gc --auto" from commit, merge, am and
rebase. - 2007-09-05) used the rule to put "gc --auto" is "where
update-ref occurs". I would argue that this is not a good condition to
run gc, because (at least current) gc is slow. We encourage commit
often and rebase to make all patches in good shape and this workflow
should not be slowed down by random "gc".
Instead, we could just inform users that "gc" should be run soon in
commonly used commands (commit, merge, am and rebase). The warning is
shown once every hour to avoid constantly annoy users, or flooding the
output with warnings if a command is run repeatedly (e.g. in scripts).
Commands that are not expected to return immediately, like
receive-pack or index-pack, are more suitable for "gc --auto". These
keep "gc --auto" as before.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
---
builtin/commit.c | 2 +-
builtin/gc.c | 4 +++-
builtin/gc.h | 1 +
builtin/merge.c | 2 +-
git-am.sh | 2 +-
git-rebase--interactive.sh | 2 +-
6 files changed, 8 insertions(+), 5 deletions(-)
diff --git a/builtin/commit.c b/builtin/commit.c
index bf7d0aa..bfc4b4e 100644
--- a/builtin/commit.c
+++ b/builtin/commit.c
@@ -1590,7 +1590,7 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
"new_index file. Check that disk is not full or quota is\n"
"not exceeded, and then \"git reset HEAD\" to recover."));
- gc("commit.autogc", 0);
+ gc("commit.autogc", GC_DRYRUN);
rerere(0);
run_hook(get_index_file(), "post-commit", NULL);
if (amend && !no_post_rewrite) {
diff --git a/builtin/gc.c b/builtin/gc.c
index f82b9ef..bff3d9c 100644
--- a/builtin/gc.c
+++ b/builtin/gc.c
@@ -182,7 +182,7 @@ static int need_to_gc(void)
int gc(const char *cmd, int flags)
{
- const char *av[] = { "gc", "--auto", NULL, NULL };
+ const char *av[] = { "gc", "--auto", NULL, NULL, NULL };
int ac = 2;
git_config(gc_config, (void*)cmd);
@@ -190,6 +190,8 @@ int gc(const char *cmd, int flags)
if (!auto_gc || !need_to_gc())
return 0;
+ if (flags & GC_DRYRUN)
+ av[ac++] = "--dry-run";
if (flags & GC_QUIET)
av[ac++] = "--quiet";
return run_command_v_opt(av, RUN_GIT_CMD);
diff --git a/builtin/gc.h b/builtin/gc.h
index 3482e92..d022944 100644
--- a/builtin/gc.h
+++ b/builtin/gc.h
@@ -2,6 +2,7 @@
#define GC_H
#define GC_QUIET 1
+#define GC_DRYRUN 2
extern int gc(const char *cmd, int flags);
diff --git a/builtin/merge.c b/builtin/merge.c
index 940259d..a0680b0 100644
--- a/builtin/merge.c
+++ b/builtin/merge.c
@@ -389,7 +389,7 @@ static void finish(struct commit *head_commit,
update_ref(reflog_message.buf, "HEAD",
new_head, head, 0,
DIE_ON_ERR);
- gc(NULL, 0);
+ gc(NULL, GC_DRYRUN);
}
}
if (new_head && show_diffstat) {
diff --git a/git-am.sh b/git-am.sh
index f8b7a0c..71cd2fd 100755
--- a/git-am.sh
+++ b/git-am.sh
@@ -902,4 +902,4 @@ if test -s "$dotest"/rewritten; then
fi
rm -fr "$dotest"
-git gc --auto
+git gc --auto --dry-run
diff --git a/git-rebase--interactive.sh b/git-rebase--interactive.sh
index 0c19b7c..6c1c054 100644
--- a/git-rebase--interactive.sh
+++ b/git-rebase--interactive.sh
@@ -573,7 +573,7 @@ do_next () {
true # we don't care if this hook failed
fi &&
rm -rf "$state_dir" &&
- git gc --auto &&
+ git gc --auto --dry-run &&
warn "Successfully rebased and updated $head_name."
exit
--
1.7.8.36.g69ee2
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