diff options
| -rw-r--r-- | Documentation/config.txt | 6 | ||||
| -rw-r--r-- | builtin/gc.c | 57 | ||||
| -rwxr-xr-x | t/t6500-gc.sh | 15 |
3 files changed, 71 insertions, 7 deletions
diff --git a/Documentation/config.txt b/Documentation/config.txt index 015346c417..038a32d01b 100644 --- a/Documentation/config.txt +++ b/Documentation/config.txt @@ -1402,6 +1402,12 @@ 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 |