diff options
Diffstat (limited to 'builtin/gc.c')
| -rw-r--r-- | builtin/gc.c | 99 |
1 files changed, 88 insertions, 11 deletions
diff --git a/builtin/gc.c b/builtin/gc.c index 0ad8d30b56..c583aad6ec 100644 --- a/builtin/gc.c +++ b/builtin/gc.c @@ -44,6 +44,23 @@ static struct argv_array prune_worktrees = ARGV_ARRAY_INIT; static struct argv_array rerere = ARGV_ARRAY_INIT; static struct tempfile pidfile; +static struct lock_file log_lock; + +static struct string_list pack_garbage = STRING_LIST_INIT_DUP; + +static void clean_pack_garbage(void) +{ + int i; + for (i = 0; i < pack_garbage.nr; i++) + unlink_or_warn(pack_garbage.items[i].string); + string_list_clear(&pack_garbage, 0); +} + +static void report_pack_garbage(unsigned seen_bits, const char *path) +{ + if (seen_bits == PACKDIR_FILE_IDX) + string_list_append(&pack_garbage, path); +} static void git_config_date_string(const char *key, const char **output) { @@ -56,6 +73,28 @@ 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) + commit_lock_file(&log_lock); + else + rollback_lock_file(&log_lock); +} + +static void process_log_file_at_exit(void) +{ + fflush(stderr); + process_log_file(); +} + +static void process_log_file_on_signal(int signo) +{ + process_log_file(); + sigchain_pop(signo); + raise(signo); +} + static void gc_config(void) { const char *value; @@ -194,7 +233,7 @@ static const char *lock_repo_for_gc(int force, pid_t* ret_pid) return NULL; if (gethostname(my_host, sizeof(my_host))) - strcpy(my_host, "unknown"); + xsnprintf(my_host, sizeof(my_host), "unknown"); pidfile_path = git_pathdup("gc.pid"); fd = hold_lock_file_for_update(&lock, pidfile_path, @@ -217,7 +256,7 @@ static const char *lock_repo_for_gc(int force, pid_t* ret_pid) * running. */ time(NULL) - st.st_mtime <= 12 * 3600 && - fscanf(fp, "%"PRIuMAX" %127c", &pid, locking_host) == 2 && + fscanf(fp, "%"SCNuMAX" %127c", &pid, locking_host) == 2 && /* be gentle to concurrent "gc" on remote hosts */ (strcmp(locking_host, my_host) || !kill(pid, 0) || errno == EPERM); if (fp != NULL) @@ -241,6 +280,24 @@ static const char *lock_repo_for_gc(int force, pid_t* ret_pid) return NULL; } +static int report_last_gc_error(void) +{ + struct strbuf sb = STRBUF_INIT; + int ret; + + ret = strbuf_read_file(&sb, git_path("gc.log"), 0); + if (ret > 0) + return 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); + strbuf_release(&sb); + return 0; +} + static int gc_before_repack(void) { if (pack_refs && run_command_v_opt(pack_refs_cmd.argv, RUN_GIT_CMD)) @@ -262,6 +319,7 @@ int cmd_gc(int argc, const char **argv, const char *prefix) int force = 0; const char *name; pid_t pid; + int daemonized = 0; struct option builtin_gc_options[] = { OPT__QUIET(&quiet, N_("suppress progress reporting")), @@ -318,13 +376,16 @@ int cmd_gc(int argc, const char **argv, const char *prefix) fprintf(stderr, _("See \"git help gc\" for manual housekeeping.\n")); } if (detach_auto) { + if (report_last_gc_error()) + return -1; + if (gc_before_repack()) return -1; /* * failure to daemonize is ok, we'll continue * in foreground */ - daemonize(); + daemonized = !daemonize(); } } else add_repack_all_option(); @@ -337,18 +398,29 @@ int cmd_gc(int argc, const char **argv, const char *prefix) name, (uintmax_t)pid); } + if (daemonized) { + hold_lock_file_for_update(&log_lock, + git_path("gc.log"), + LOCK_DIE_ON_ERROR); + dup2(get_lock_file_fd(&log_lock), 2); + sigchain_push_common(process_log_file_on_signal); + atexit(process_log_file_at_exit); + } + if (gc_before_repack()) return -1; - if (run_command_v_opt(repack.argv, RUN_GIT_CMD)) - return error(FAILED_RUN, repack.argv[0]); + if (!repository_format_precious_objects) { + if (run_command_v_opt(repack.argv, RUN_GIT_CMD)) + return error(FAILED_RUN, repack.argv[0]); - if (prune_expire) { - argv_array_push(&prune, prune_expire); - if (quiet) - argv_array_push(&prune, "--no-progress"); - if (run_command_v_opt(prune.argv, RUN_GIT_CMD)) - return error(FAILED_RUN, prune.argv[0]); + if (prune_expire) { + argv_array_push(&prune, prune_expire); + if (quiet) + argv_array_push(&prune, "--no-progress"); + if (run_command_v_opt(prune.argv, RUN_GIT_CMD)) + return error(FAILED_RUN, prune.argv[0]); + } } if (prune_worktrees_expire) { @@ -360,6 +432,11 @@ int cmd_gc(int argc, const char **argv, const char *prefix) if (run_command_v_opt(rerere.argv, RUN_GIT_CMD)) return error(FAILED_RUN, rerere.argv[0]); + report_garbage = report_pack_garbage; + reprepare_packed_git(); + if (pack_garbage.nr > 0) + clean_pack_garbage(); + if (auto_gc && too_many_loose_objects()) warning(_("There are too many unreachable loose objects; " "run 'git prune' to remove them.")); |