summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--Documentation/config.txt6
-rw-r--r--builtin/gc.c57
-rwxr-xr-xt/t6500-gc.sh15
3 files changed, 71 insertions, 7 deletions
diff --git a/Documentation/config.txt b/Documentation/config.txt
index 1fee83ca42..d385711b70 100644
--- a/Documentation/config.txt
+++ b/Documentation/config.txt
@@ -1397,6 +1397,12 @@ gc.autoDetach::
Make `git gc --auto` return immediately and run in background
if the system supports it. Default is true.
+gc.logExpiry::
+ If the file gc.log exists, then `git gc --auto` won't run
+ unless that file is more than 'gc.logExpiry' old. Default is
+ "1.day". See `gc.pruneExpire` for more ways to specify its
+ value.
+
gc.packRefs::
Running `git pack-refs` in a repository renders it
unclonable by Git versions prior to 1.5.1.2 over dumb
diff --git a/builtin/gc.c b/builtin/gc.c
index 331f219260..a2b9e8924e 100644
--- a/builtin/gc.c
+++ b/builtin/gc.c
@@ -33,6 +33,8 @@ static int aggressive_window = 250;
static int gc_auto_threshold = 6700;
static int gc_auto_pack_limit = 50;
static int detach_auto = 1;
+static unsigned long gc_log_expire_time;
+static const char *gc_log_expire = "1.day.ago";
static const char *prune_expire = "2.weeks.ago";
static const char *prune_worktrees_expire = "3.months.ago";
@@ -76,10 +78,28 @@ static void git_config_date_string(const char *key, const char **output)
static void process_log_file(void)
{
struct stat st;
- if (!fstat(get_lock_file_fd(&log_lock), &st) && st.st_size)
+ if (fstat(get_lock_file_fd(&log_lock), &st)) {
+ /*
+ * Perhaps there was an i/o error or another
+ * unlikely situation. Try to make a note of
+ * this in gc.log along with any existing
+ * messages.
+ */
+ int saved_errno = errno;
+ fprintf(stderr, _("Failed to fstat %s: %s"),
+ get_tempfile_path(&log_lock.tempfile),
+ strerror(saved_errno));
+ fflush(stderr);
commit_lock_file(&log_lock);
- else
+ errno = saved_errno;
+ } else if (st.st_size) {
+ /* There was some error recorded in the lock file */
+ commit_lock_file(&log_lock);
+ } else {
+ /* No error, clean up any old gc.log */
+ unlink(git_path("gc.log"));
rollback_lock_file(&log_lock);
+ }
}
static void process_log_file_at_exit(void)
@@ -113,6 +133,8 @@ static void gc_config(void)
git_config_get_bool("gc.autodetach", &detach_auto);
git_config_date_string("gc.pruneexpire", &prune_expire);
git_config_date_string("gc.worktreepruneexpire", &prune_worktrees_expire);
+ git_config_date_string("gc.logexpiry", &gc_log_expire);
+
git_config(git_default_config, NULL);
}
@@ -290,19 +312,34 @@ static const char *lock_repo_for_gc(int force, pid_t* ret_pid)
static int report_last_gc_error(void)
{
struct strbuf sb = STRBUF_INIT;
- int ret;
+ int ret = 0;
+ struct stat st;
+ char *gc_log_path = git_pathdup("gc.log");
- ret = strbuf_read_file(&sb, git_path("gc.log"), 0);
+ if (stat(gc_log_path, &st)) {
+ if (errno == ENOENT)
+ goto done;
+
+ ret = error_errno(_("Can't stat %s"), gc_log_path);
+ goto done;
+ }
+
+ if (st.st_mtime < gc_log_expire_time)
+ goto done;
+
+ ret = strbuf_read_file(&sb, gc_log_path, 0);
if (ret > 0)
- return error(_("The last gc run reported the following. "
+ ret = error(_("The last gc run reported the following. "
"Please correct the root cause\n"
"and remove %s.\n"
"Automatic cleanup will not be performed "
"until the file is removed.\n\n"
"%s"),
- git_path("gc.log"), sb.buf);
+ gc_log_path, sb.buf);
strbuf_release(&sb);
- return 0;
+done:
+ free(gc_log_path);
+ return ret;
}
static int gc_before_repack(void)
@@ -349,7 +386,10 @@ int cmd_gc(int argc, const char **argv, const char *prefix)
argv_array_pushl(&prune_worktrees, "worktree", "prune", "--expire", NULL);
argv_array_pushl(&rerere, "rerere", "gc", NULL);
+ /* default expiry time, overwritten in gc_config */
gc_config();
+ if (parse_expiry_date(gc_log_expire, &gc_log_expire_time))
+ die(_("Failed to parse gc.logexpiry value %s"), gc_log_expire);
if (pack_refs < 0)
pack_refs = !is_bare_repository();
@@ -448,5 +488,8 @@ int cmd_gc(int argc, const char **argv, const char *prefix)
warning(_("There are too many unreachable loose objects; "
"run 'git prune' to remove them."));
+ if (!daemonized)
+ unlink(git_path("gc.log"));
+
return 0;
}
diff --git a/t/t6500-gc.sh b/t/t6500-gc.sh
index 1762dfa6a3..08de2e8ab0 100755
--- a/t/t6500-gc.sh
+++ b/t/t6500-gc.sh
@@ -67,5 +67,20 @@ test_expect_success 'auto gc with too many loose objects does not attempt to cre
test_line_count = 2 new # There is one new pack and its .idx
'
+test_expect_success 'background auto gc does not run if gc.log is present and recent but does if it is old' '
+ test_commit foo &&
+ test_commit bar &&
+ git repack &&
+ test_config gc.autopacklimit 1 &&
+ test_config gc.autodetach true &&
+ echo fleem >.git/gc.log &&
+ test_must_fail git gc --auto 2>err &&
+ test_i18ngrep "^error:" err &&
+ test_config gc.logexpiry 5.days &&
+ test-chmtime =-345600 .git/gc.log &&
+ test_must_fail git gc --auto &&
+ test_config gc.logexpiry 2.days &&
+ git gc --auto
+'
test_done