1 files changed, 148 insertions, 71 deletions

diff --git a/builtin/gc.c b/builtin/gc.c
index ceff31ea00..f3942188a6 100644
--- a/builtin/gc.c
+++ b/builtin/gc.c
@@ -11,6 +11,10 @@
  */
 
 #include "builtin.h"
+#include "abspath.h"
+#include "date.h"
+#include "environment.h"
+#include "hex.h"
 #include "repository.h"
 #include "config.h"
 #include "tempfile.h"
@@ -22,6 +26,7 @@
 #include "commit.h"
 #include "commit-graph.h"
 #include "packfile.h"
+#include "object-file.h"
 #include "object-store.h"
 #include "pack.h"
 #include "pack-objects.h"
@@ -31,7 +36,11 @@
 #include "refs.h"
 #include "remote.h"
 #include "exec-cmd.h"
+#include "gettext.h"
 #include "hook.h"
+#include "setup.h"
+#include "trace2.h"
+#include "wrapper.h"
 
 #define FAILED_RUN "failed to run %s"
 
@@ -42,7 +51,7 @@ static const char * const builtin_gc_usage[] = {
 
 static int pack_refs = 1;
 static int prune_reflogs = 1;
-static int cruft_packs = 0;
+static int cruft_packs = 1;
 static int aggressive_depth = 50;
 static int aggressive_window = 250;
 static int gc_auto_threshold = 6700;
@@ -167,9 +176,11 @@ static void gc_config(void)
 struct maintenance_run_opts;
 static int maintenance_task_pack_refs(MAYBE_UNUSED struct maintenance_run_opts *opts)
 {
-	const char *argv[] = { "pack-refs", "--all", "--prune", NULL };
+	struct child_process cmd = CHILD_PROCESS_INIT;
 
-	return run_command_v_opt(argv, RUN_GIT_CMD);
+	cmd.git_cmd = 1;
+	strvec_pushl(&cmd.args, "pack-refs", "--all", "--prune", NULL);
+	return run_command(&cmd);
 }
 
 static int too_many_loose_objects(void)
@@ -211,7 +222,7 @@ static struct packed_git *find_base_packs(struct string_list *packs,
 	struct packed_git *p, *base = NULL;
 
 	for (p = get_all_packs(the_repository); p; p = p->next) {
-		if (!p->pack_local)
+		if (!p->pack_local || p->is_cruft)
 			continue;
 		if (limit) {
 			if (p->pack_size >= limit)
@@ -282,7 +293,7 @@ static uint64_t total_ram(void)
 
 static uint64_t estimate_repack_memory(struct packed_git *pack)
 {
-	unsigned long nr_objects = approximate_object_count();
+	unsigned long nr_objects = repo_approximate_object_count(the_repository);
 	size_t os_cache, heap;
 
 	if (!pack || !nr_objects)
@@ -322,7 +333,7 @@ static uint64_t estimate_repack_memory(struct packed_git *pack)
 	return os_cache + heap;
 }
 
-static int keep_one_pack(struct string_list_item *item, void *data)
+static int keep_one_pack(struct string_list_item *item, void *data UNUSED)
 {
 	strvec_pushf(&repack, "--keep-pack=%s", basename(item->string));
 	return 0;
@@ -535,8 +546,14 @@ static void gc_before_repack(void)
 	if (pack_refs && maintenance_task_pack_refs(NULL))
 		die(FAILED_RUN, "pack-refs");
 
-	if (prune_reflogs && run_command_v_opt(reflog.v, RUN_GIT_CMD))
-		die(FAILED_RUN, reflog.v[0]);
+	if (prune_reflogs) {
+		struct child_process cmd = CHILD_PROCESS_INIT;
+
+		cmd.git_cmd = 1;
+		strvec_pushv(&cmd.args, reflog.v);
+		if (run_command(&cmd))
+			die(FAILED_RUN, reflog.v[0]);
+	}
 }
 
 int cmd_gc(int argc, const char **argv, const char *prefix)
@@ -550,6 +567,7 @@ int cmd_gc(int argc, const char **argv, const char *prefix)
 	int daemonized = 0;
 	int keep_largest_pack = -1;
 	timestamp_t dummy;
+	struct child_process rerere_cmd = CHILD_PROCESS_INIT;
 
 	struct option builtin_gc_options[] = {
 		OPT__QUIET(&quiet, N_("suppress progress reporting")),
@@ -671,30 +689,44 @@ int cmd_gc(int argc, const char **argv, const char *prefix)
 	gc_before_repack();
 
 	if (!repository_format_precious_objects) {
-		if (run_command_v_opt(repack.v,
-				      RUN_GIT_CMD | RUN_CLOSE_OBJECT_STORE))
+		struct child_process repack_cmd = CHILD_PROCESS_INIT;
+
+		repack_cmd.git_cmd = 1;
+		repack_cmd.close_object_store = 1;
+		strvec_pushv(&repack_cmd.args, repack.v);
+		if (run_command(&repack_cmd))
 			die(FAILED_RUN, repack.v[0]);
 
 		if (prune_expire) {
+			struct child_process prune_cmd = CHILD_PROCESS_INIT;
+
 			/* run `git prune` even if using cruft packs */
 			strvec_push(&prune, prune_expire);
 			if (quiet)
 				strvec_push(&prune, "--no-progress");
-			if (has_promisor_remote())
+			if (repo_has_promisor_remote(the_repository))
 				strvec_push(&prune,
 					    "--exclude-promisor-objects");
-			if (run_command_v_opt(prune.v, RUN_GIT_CMD))
+			prune_cmd.git_cmd = 1;
+			strvec_pushv(&prune_cmd.args, prune.v);
+			if (run_command(&prune_cmd))
 				die(FAILED_RUN, prune.v[0]);
 		}
 	}
 
 	if (prune_worktrees_expire) {
+		struct child_process prune_worktrees_cmd = CHILD_PROCESS_INIT;
+
 		strvec_push(&prune_worktrees, prune_worktrees_expire);
-		if (run_command_v_opt(prune_worktrees.v, RUN_GIT_CMD))
+		prune_worktrees_cmd.git_cmd = 1;
+		strvec_pushv(&prune_worktrees_cmd.args, prune_worktrees.v);
+		if (run_command(&prune_worktrees_cmd))
 			die(FAILED_RUN, prune_worktrees.v[0]);
 	}
 
-	if (run_command_v_opt(rerere.v, RUN_GIT_CMD))
+	rerere_cmd.git_cmd = 1;
+	strvec_pushv(&rerere_cmd.args, rerere.v);
+	if (run_command(&rerere_cmd))
 		die(FAILED_RUN, rerere.v[0]);
 
 	report_garbage = report_pack_garbage;
@@ -704,7 +736,6 @@ int cmd_gc(int argc, const char **argv, const char *prefix)
 		clean_pack_garbage();
 	}
 
-	prepare_repo_settings(the_repository);
 	if (the_repository->settings.gc_write_commit_graph == 1)
 		write_commit_graph_reachable(the_repository->objects->odb,
 					     !quiet && !daemonized ? COMMIT_GRAPH_WRITE_PROGRESS : 0,
@@ -794,7 +825,7 @@ static int dfs_on_ref(const char *refname UNUSED,
 	commit = lookup_commit(the_repository, oid);
 	if (!commit)
 		return 0;
-	if (parse_commit(commit) ||
+	if (repo_parse_commit(the_repository, commit) ||
 	    commit_graph_position(commit) != COMMIT_NOT_FROM_GRAPH)
 		return 0;
 
@@ -811,7 +842,7 @@ static int dfs_on_ref(const char *refname UNUSED,
 		commit = pop_commit(&stack);
 
 		for (parent = commit->parents; parent; parent = parent->next) {
-			if (parse_commit(parent->item) ||
+			if (repo_parse_commit(the_repository, parent->item) ||
 			    commit_graph_position(parent->item) != COMMIT_NOT_FROM_GRAPH ||
 			    parent->item->object.flags & SEEN)
 				continue;
@@ -950,9 +981,9 @@ struct write_loose_object_data {
 
 static int loose_object_auto_limit = 100;
 
-static int loose_object_count(const struct object_id *oid,
-			       const char *path,
-			       void *data)
+static int loose_object_count(const struct object_id *oid UNUSED,
+			      const char *path UNUSED,
+			      void *data)
 {
 	int *count = (int*)data;
 	if (++(*count) >= loose_object_auto_limit)
@@ -977,15 +1008,15 @@ static int loose_object_auto_condition(void)
 					     NULL, NULL, &count);
 }
 
-static int bail_on_loose(const struct object_id *oid,
-			 const char *path,
-			 void *data)
+static int bail_on_loose(const struct object_id *oid UNUSED,
+			 const char *path UNUSED,
+			 void *data UNUSED)
 {
 	return 1;
 }
 
 static int write_loose_object_to_stdin(const struct object_id *oid,
-				       const char *path,
+				       const char *path UNUSED,
 				       void *data)
 {
 	struct write_loose_object_data *d = (struct write_loose_object_data *)data;
@@ -1454,20 +1485,22 @@ static char *get_maintpath(void)
 }
 
 static char const * const builtin_maintenance_register_usage[] = {
-	"git maintenance register",
+	"git maintenance register [--config-file <path>]",
 	NULL
 };
 
 static int maintenance_register(int argc, const char **argv, const char *prefix)
 {
+	char *config_file = NULL;
 	struct option options[] = {
+		OPT_STRING(0, "config-file", &config_file, N_("file"), N_("use given config file")),
 		OPT_END(),
 	};
-	int rc;
-	char *config_value;
-	struct child_process config_set = CHILD_PROCESS_INIT;
-	struct child_process config_get = CHILD_PROCESS_INIT;
+	int found = 0;
+	const char *key = "maintenance.repo";
 	char *maintpath = get_maintpath();
+	struct string_list_item *item;
+	const struct string_list *list;
 
 	argc = parse_options(argc, argv, prefix, options,
 			     builtin_maintenance_register_usage, 0);
@@ -1479,51 +1512,65 @@ static int maintenance_register(int argc, const char **argv, const char *prefix)
 	git_config_set("maintenance.auto", "false");
 
 	/* Set maintenance strategy, if unset */
-	if (!git_config_get_string("maintenance.strategy", &config_value))
-		free(config_value);
-	else
+	if (git_config_get("maintenance.strategy"))
 		git_config_set("maintenance.strategy", "incremental");
 
-	config_get.git_cmd = 1;
-	strvec_pushl(&config_get.args, "config", "--global", "--get",
-		     "--fixed-value", "maintenance.repo", maintpath, NULL);
-	config_get.out = -1;
-
-	if (start_command(&config_get)) {
-		rc = error(_("failed to run 'git config'"));
-		goto done;
-	}
-
-	/* We already have this value in our config! */
-	if (!finish_command(&config_get)) {
-		rc = 0;
-		goto done;
+	if (!git_config_get_string_multi(key, &list)) {
+		for_each_string_list_item(item, list) {
+			if (!strcmp(maintpath, item->string)) {
+				found = 1;
+				break;
+			}
+		}
 	}
 
-	config_set.git_cmd = 1;
-	strvec_pushl(&config_set.args, "config", "--add", "--global", "maintenance.repo",
-		     maintpath, NULL);
+	if (!found) {
+		int rc;
+		char *user_config = NULL, *xdg_config = NULL;
 
-	rc = run_command(&config_set);
+		if (!config_file) {
+			git_global_config(&user_config, &xdg_config);
+			config_file = user_config;
+			if (!user_config)
+				die(_("$HOME not set"));
+		}
+		rc = git_config_set_multivar_in_file_gently(
+			config_file, "maintenance.repo", maintpath,
+			CONFIG_REGEX_NONE, 0);
+		free(user_config);
+		free(xdg_config);
+
+		if (rc)
+			die(_("unable to add '%s' value of '%s'"),
+			    key, maintpath);
+	}
 
-done:
 	free(maintpath);
-	return rc;
+	return 0;
 }
 
 static char const * const builtin_maintenance_unregister_usage[] = {
-	"git maintenance unregister",
+	"git maintenance unregister [--config-file <path>] [--force]",
 	NULL
 };
 
 static int maintenance_unregister(int argc, const char **argv, const char *prefix)
 {
+	int force = 0;
+	char *config_file = NULL;
 	struct option options[] = {
+		OPT_STRING(0, "config-file", &config_file, N_("file"), N_("use given config file")),
+		OPT__FORCE(&force,
+			   N_("return success even if repository was not registered"),
+			   PARSE_OPT_NOCOMPLETE),
 		OPT_END(),
 	};
-	int rc;
-	struct child_process config_unset = CHILD_PROCESS_INIT;
+	const char *key = "maintenance.repo";
 	char *maintpath = get_maintpath();
+	int found = 0;
+	struct string_list_item *item;
+	const struct string_list *list;
+	struct config_set cs = { { 0 } };
 
 	argc = parse_options(argc, argv, prefix, options,
 			     builtin_maintenance_unregister_usage, 0);
@@ -1531,13 +1578,47 @@ static int maintenance_unregister(int argc, const char **argv, const char *prefi
 		usage_with_options(builtin_maintenance_unregister_usage,
 				   options);
 
-	config_unset.git_cmd = 1;
-	strvec_pushl(&config_unset.args, "config", "--global", "--unset",
-		     "--fixed-value", "maintenance.repo", maintpath, NULL);
+	if (config_file) {
+		git_configset_init(&cs);
+		git_configset_add_file(&cs, config_file);
+	}
+	if (!(config_file
+	      ? git_configset_get_string_multi(&cs, key, &list)
+	      : git_config_get_string_multi(key, &list))) {
+		for_each_string_list_item(item, list) {
+			if (!strcmp(maintpath, item->string)) {
+				found = 1;
+				break;
+			}
+		}
+	}
+
+	if (found) {
+		int rc;
+		char *user_config = NULL, *xdg_config = NULL;
+		if (!config_file) {
+			git_global_config(&user_config, &xdg_config);
+			config_file = user_config;
+			if (!user_config)
+				die(_("$HOME not set"));
+		}
+		rc = git_config_set_multivar_in_file_gently(
+			config_file, key, NULL, maintpath,
+			CONFIG_FLAGS_MULTI_REPLACE | CONFIG_FLAGS_FIXED_VALUE);
+		free(user_config);
+		free(xdg_config);
+
+		if (rc &&
+		    (!force || rc == CONFIG_NOTHING_SET))
+			die(_("unable to unset '%s' value of '%s'"),
+			    key, maintpath);
+	} else if (!force) {
+		die(_("repository '%s' is not registered"), maintpath);
+	}
 
-	rc = run_command(&config_unset);
+	git_configset_clear(&cs);
 	free(maintpath);
-	return rc;
+	return 0;
 }
 
 static const char *get_frequency(enum schedule_priority schedule)
@@ -1605,11 +1686,11 @@ static int get_schedule_cmd(const char **cmd, int *is_available)
 	if (is_available)
 		*is_available = 0;
 
-	string_list_split_in_place(&list, testing, ',', -1);
+	string_list_split_in_place(&list, testing, ",", -1);
 	for_each_string_list_item(item, &list) {
 		struct string_list pair = STRING_LIST_INIT_NODUP;
 
-		if (string_list_split_in_place(&pair, item->string, ':', 2) != 2)
+		if (string_list_split_in_place(&pair, item->string, ":", 2) != 2)
 			continue;
 
 		if (!strcmp(*cmd, pair.items[0].string)) {
@@ -1874,20 +1955,16 @@ static char *schtasks_task_name(const char *frequency)
 static int schtasks_remove_task(enum schedule_priority schedule)
 {
 	const char *cmd = "schtasks";
-	int result;
-	struct strvec args = STRVEC_INIT;
+	struct child_process child = CHILD_PROCESS_INIT;
 	const char *frequency = get_frequency(schedule);
 	char *name = schtasks_task_name(frequency);
 
 	get_schedule_cmd(&cmd, NULL);
-	strvec_split(&args, cmd);
-	strvec_pushl(&args, "/delete", "/tn", name, "/f", NULL);
-
-	result = run_command_v_opt(args.v, 0);
-
-	strvec_clear(&args);
+	strvec_split(&child.args, cmd);
+	strvec_pushl(&child.args, "/delete", "/tn", name, "/f", NULL);
 	free(name);
-	return result;
+
+	return run_command(&child);
 }
 
 static int schtasks_remove_tasks(void)