[PATCH 06/17] hook: implement hookcmd.<name>.skip

@@ -12,23 +12,24 @@ void free_hook(struct hook *ptr)
 	}
 }
 
-static void append_or_move_hook(struct list_head *head, const char *command)
+static struct hook* find_hook_by_command(struct list_head *head, const char *command)
 {
 	struct list_head *pos = NULL, *tmp = NULL;
-	struct hook *to_add = NULL;
+	struct hook *found = NULL;
 
-	/*
-	 * remove the prior entry with this command; we'll replace it at the
-	 * end.
-	 */
 	list_for_each_safe(pos, tmp, head) {
 		struct hook *it = list_entry(pos, struct hook, list);
 		if (!strcmp(it->command.buf, command)) {
 		    list_del(pos);
-		    /* we'll simply move the hook to the end */
-		    to_add = it;
+		    found = it;
 		}
 	}
+	return found;
+}
+
+static void append_or_move_hook(struct list_head *head, const char *command)
+{
+	struct hook *to_add = find_hook_by_command(head, command);
 
 	if (!to_add) {
 		/* adding a new hook, not moving an old one */

@@ -41,7 +42,7 @@ static void append_or_move_hook(struct list_head *head, const char *command)
 	/* re-set the scope so we show where an override was specified */
 	to_add->origin = current_config_scope();
 
-	list_add_tail(&to_add->list, pos);
+	list_add_tail(&to_add->list, head);
 }
 
 static void remove_hook(struct list_head *to_remove)

@@ -73,8 +74,18 @@ static int hook_config_lookup(const char *key, const char *value, void *cb_data)
 	if (!strcmp(key, hook_key)) {
 		const char *command = value;
 		struct strbuf hookcmd_name = STRBUF_INIT;
+		int skip = 0;
+
+		/*
+		 * Check if we're removing that hook instead. Hookcmds are
+		 * removed by name, and inlined hooks are removed by command
+		 * content.
+		 */
+		strbuf_addf(&hookcmd_name, "hookcmd.%s.skip", command);
+		git_config_get_bool(hookcmd_name.buf, &skip);
 
 		/* Check if a hookcmd with that name exists. */
+		strbuf_reset(&hookcmd_name);
 		strbuf_addf(&hookcmd_name, "hookcmd.%s.command", command);
 		git_config_get_value(hookcmd_name.buf, &command);
 

@@ -89,7 +100,13 @@ static int hook_config_lookup(const char *key, const char *value, void *cb_data)
 		 *   for each key+value, do_callback(key, value, cb_data)
 		 */
 
-		append_or_move_hook(head, command);
+		if (skip) {
+			struct hook *to_remove = find_hook_by_command(head, command);
+			if (to_remove)
+				remove_hook(&(to_remove->list));
+		} else {
+			append_or_move_hook(head, command);
+		}
 
 		strbuf_release(&hookcmd_name);
 	}

@@ -132,6 +132,29 @@ test_expect_success 'hook.runHookDir = warn is respected by list' '
 	test_i18ncmp expected actual
 '
 
+test_expect_success 'git hook list removes skipped hookcmd' '
+	setup_hookcmd &&
+	test_config hookcmd.abc.skip "true" --add &&
+
+	cat >expected <<-EOF &&
+	no commands configured for hook '\''pre-commit'\''
+	EOF
+
+	git hook list pre-commit >actual &&
+	test_i18ncmp expected actual
+'
+
+test_expect_success 'git hook list removes skipped inlined hook' '
+	setup_hooks &&
+	test_config hookcmd."$ROOT/path/ghi".skip "true" --add &&
+
+	cat >expected <<-EOF &&
+	global: $ROOT/path/def
+	EOF
+
+	git hook list pre-commit >actual &&
+	test_cmp expected actual
+'
 
 test_expect_success 'hook.runHookDir = interactive is respected by list' '
 	setup_hookdir &&