Merge branch 'sb/misc-cleanups' into HEAD

* sb/misc-cleanups:
  submodule-config: don't shadow `cache`
  config.c: drop local variable
  credential-cache, send_request: close fd when done
  bundle: don't leak an fd in case of early return
  abbrev_sha1_in_line: don't leak memory
  notes: don't leak memory in git_config_get_notes_strategy

Author: gitster

builtin/notes.c

@@ -744,13 +744,14 @@ static int merge_commit(struct notes_merge_options *o)
 static int git_config_get_notes_strategy(const char *key,
 					 enum notes_merge_strategy *strategy)
 {
-	const char *value;
+	char *value;
 
-	if (git_config_get_string_const(key, &value))
+	if (git_config_get_string(key, &value))
 		return 1;
 	if (parse_notes_merge_strategy(value, strategy))
 		git_die_config(key, "unknown notes merge strategy %s", value);
 
+	free(value);
 	return 0;
 }
 

bundle.c

@@ -435,30 +435,41 @@ int create_bundle(struct bundle_header *header, const char *path,
 
 	/* write prerequisites */
 	if (compute_and_write_prerequisites(bundle_fd, &revs, argc, argv))
-		return -1;
+		goto err;
 
 	argc = setup_revisions(argc, argv, &revs, NULL);
 
-	if (argc > 1)
-		return error(_("unrecognized argument: %s"), argv[1]);
+	if (argc > 1) {
+		error(_("unrecognized argument: %s"), argv[1]);
+		goto err;
+	}
 
 	object_array_remove_duplicates(&revs.pending);
 
 	ref_count = write_bundle_refs(bundle_fd, &revs);
 	if (!ref_count)
 		die(_("Refusing to create empty bundle."));
 	else if (ref_count < 0)
-		return -1;
+		goto err;
 
 	/* write pack */
-	if (write_pack_data(bundle_fd, &revs))
-		return -1;
+	if (write_pack_data(bundle_fd, &revs)) {
+		bundle_fd = -1; /* already closed by the above call */
+		goto err;
+	}
 
 	if (!bundle_to_stdout) {
 		if (commit_lock_file(&lock))
 			die_errno(_("cannot create '%s'"), path);
 	}
 	return 0;
+err:
+	if (!bundle_to_stdout) {
+		if (0 <= bundle_fd)
+			close(bundle_fd);
+		rollback_lock_file(&lock);
+	}
+	return -1;
 }
 
 int unbundle(struct bundle_header *header, int bundle_fd, int flags)

config.c

@@ -1309,14 +1309,11 @@ static struct config_set_element *configset_find_element(struct config_set *cs,
 	struct config_set_element k;
 	struct config_set_element *found_entry;
 	char *normalized_key;
-	int ret;
 	/*
 	 * `key` may come from the user, so normalize it before using it
 	 * for querying entries from the hashmap.
 	 */
-	ret = git_config_parse_key(key, &normalized_key, NULL);
-
-	if (ret)
+	if (git_config_parse_key(key, &normalized_key, NULL))
 		return NULL;
 
 	hashmap_entry_init(&k, strhash(normalized_key));

credential-cache.c

@@ -32,6 +32,7 @@ static int send_request(const char *socket, const struct strbuf *out)
 		write_or_die(1, in, r);
 		got_data = 1;
 	}
+	close(fd);
 	return got_data;
 }
 

submodule-config.c

@@ -30,7 +30,7 @@ enum lookup_type {
 	lookup_path
 };
 
-static struct submodule_cache cache;
+static struct submodule_cache the_submodule_cache;
 static int is_cache_init;
 
 static int config_path_cmp(const struct submodule_entry *a,
@@ -457,14 +457,14 @@ static void ensure_cache_init(void)
 	if (is_cache_init)
 		return;
 
-	cache_init(&cache);
+	cache_init(&the_submodule_cache);
 	is_cache_init = 1;
 }
 
 int parse_submodule_config_option(const char *var, const char *value)
 {
 	struct parse_config_parameter parameter;
-	parameter.cache = &cache;
+	parameter.cache = &the_submodule_cache;
 	parameter.commit_sha1 = NULL;
 	parameter.gitmodules_sha1 = null_sha1;
 	parameter.overwrite = 1;
@@ -477,18 +477,18 @@ const struct submodule *submodule_from_name(const unsigned char *commit_sha1,
 		const char *name)
 {
 	ensure_cache_init();
-	return config_from_name(&cache, commit_sha1, name);
+	return config_from_name(&the_submodule_cache, commit_sha1, name);
 }
 
 const struct submodule *submodule_from_path(const unsigned char *commit_sha1,
 		const char *path)
 {
 	ensure_cache_init();
-	return config_from_path(&cache, commit_sha1, path);
+	return config_from_path(&the_submodule_cache, commit_sha1, path);
 }
 
 void submodule_free(void)
 {
-	cache_free(&cache);
+	cache_free(&the_submodule_cache);
 	is_cache_init = 0;
 }

wt-status.c

@@ -1063,9 +1063,7 @@ static void abbrev_sha1_in_line(struct strbuf *line)
 				strbuf_addf(line, "%s", split[i]->buf);
 		}
 	}
-	for (i = 0; split[i]; i++)
-		strbuf_release(split[i]);
-
+	strbuf_list_free(split);
 }
 
 static void read_rebase_todolist(const char *fname, struct string_list *lines)