Add support for multiple post-rewrite hooks, both for "git commit --amend" and "git rebase". Additionally add support for multiple prepare-commit-msg hooks. Signed-off-by: brian m. carlson <sandals@xxxxxxxxxxxxxxxxxxxx> --- builtin/am.c | 28 ++++++--- sequencer.c | 96 +++++++++++++++++++----------- t/t5407-post-rewrite-hook.sh | 15 +++++ t/t7505-prepare-commit-msg-hook.sh | 9 +++ 4 files changed, 105 insertions(+), 43 deletions(-) diff --git a/builtin/am.c b/builtin/am.c index 4fb107a9d1..303abc98c2 100644 --- a/builtin/am.c +++ b/builtin/am.c @@ -442,22 +442,32 @@ static int run_applypatch_msg_hook(struct am_state *state) static int run_post_rewrite_hook(const struct am_state *state) { struct child_process cp = CHILD_PROCESS_INIT; - const char *hook = find_hook("post-rewrite"); + struct child_process proc; + struct string_list *hooks; + struct string_list_item *p; int ret; - if (!hook) + hooks = find_hooks("post-rewrite"); + if (!hooks) return 0; - argv_array_push(&cp.args, hook); - argv_array_push(&cp.args, "rebase"); + for_each_string_list_item(p, hooks) { + child_process_init(&proc); - cp.in = xopen(am_path(state, "rewritten"), O_RDONLY); - cp.stdout_to_stderr = 1; - cp.trace2_hook_name = "post-rewrite"; + argv_array_push(&cp.args, p->string); + argv_array_push(&cp.args, "rebase"); - ret = run_command(&cp); + cp.in = xopen(am_path(state, "rewritten"), O_RDONLY); + cp.stdout_to_stderr = 1; + cp.trace2_hook_name = "post-rewrite"; - close(cp.in); + ret = run_command(&cp); + + close(cp.in); + if (ret) + break; + } + free_hooks(hooks); return ret; } diff --git a/sequencer.c b/sequencer.c index 79a046d748..3a616ceba6 100644 --- a/sequencer.c +++ b/sequencer.c @@ -1088,33 +1088,69 @@ int update_head_with_reflog(const struct commit *old_head, static int run_rewrite_hook(const struct object_id *oldoid, const struct object_id *newoid) { - struct child_process proc = CHILD_PROCESS_INIT; + struct child_process proc; + struct string_list *hooks; + struct string_list_item *p; const char *argv[3]; int code; struct strbuf sb = STRBUF_INIT; - argv[0] = find_hook("post-rewrite"); - if (!argv[0]) + hooks = find_hooks("post-rewrite"); + if (!hooks) return 0; - argv[1] = "amend"; - argv[2] = NULL; + for_each_string_list_item(p, hooks) { + child_process_init(&proc); - proc.argv = argv; - proc.in = -1; - proc.stdout_to_stderr = 1; - proc.trace2_hook_name = "post-rewrite"; + argv[0] = p->string; + argv[1] = "amend"; + argv[2] = NULL; - code = start_command(&proc); - if (code) - return code; - strbuf_addf(&sb, "%s %s\n", oid_to_hex(oldoid), oid_to_hex(newoid)); - sigchain_push(SIGPIPE, SIG_IGN); - write_in_full(proc.in, sb.buf, sb.len); - close(proc.in); - strbuf_release(&sb); - sigchain_pop(SIGPIPE); - return finish_command(&proc); + proc.argv = argv; + proc.in = -1; + proc.stdout_to_stderr = 1; + proc.trace2_hook_name = "post-rewrite"; + + code = start_command(&proc); + if (code) + return code; + strbuf_addf(&sb, "%s %s\n", oid_to_hex(oldoid), oid_to_hex(newoid)); + sigchain_push(SIGPIPE, SIG_IGN); + write_in_full(proc.in, sb.buf, sb.len); + close(proc.in); + strbuf_release(&sb); + sigchain_pop(SIGPIPE); + code = finish_command(&proc); + if (code) + break; + } + free_hooks(hooks); + return code; +} + +static void run_interactive_rewrite_hook(void) +{ + struct string_list *hooks; + struct string_list_item *p; + struct child_process child; + + hooks = find_hooks("post-rewrite"); + if (!hooks) + return; + + for_each_string_list_item(p, hooks) { + child_process_init(&child); + + child.in = open(rebase_path_rewritten_list(), + O_RDONLY); + child.stdout_to_stderr = 1; + child.trace2_hook_name = "post-rewrite"; + argv_array_push(&child.args, p->string); + argv_array_push(&child.args, "rebase"); + if (run_command(&child)) + break; + } + free_hooks(hooks); } void commit_post_rewrite(struct repository *r, @@ -1326,6 +1362,7 @@ static int try_to_commit(struct repository *r, char *amend_author = NULL; const char *hook_commit = NULL; enum commit_msg_cleanup_mode cleanup; + struct string_list *hooks; int res = 0; if (parse_head(r, ¤t_head)) @@ -1369,7 +1406,10 @@ static int try_to_commit(struct repository *r, goto out; } - if (find_hook("prepare-commit-msg")) { + hooks = find_hooks("prepare-commit-msg"); + if (hooks) { + free_hooks(hooks); + res = run_prepare_commit_msg_hook(r, msg, hook_commit); if (res) goto out; @@ -3771,8 +3811,6 @@ static int pick_commits(struct repository *r, if (!stat(rebase_path_rewritten_list(), &st) && st.st_size > 0) { struct child_process child = CHILD_PROCESS_INIT; - const char *post_rewrite_hook = - find_hook("post-rewrite"); child.in = open(rebase_path_rewritten_list(), O_RDONLY); child.git_cmd = 1; @@ -3782,18 +3820,8 @@ static int pick_commits(struct repository *r, /* we don't care if this copying failed */ run_command(&child); - if (post_rewrite_hook) { - struct child_process hook = CHILD_PROCESS_INIT; - - hook.in = open(rebase_path_rewritten_list(), - O_RDONLY); - hook.stdout_to_stderr = 1; - hook.trace2_hook_name = "post-rewrite"; - argv_array_push(&hook.args, post_rewrite_hook); - argv_array_push(&hook.args, "rebase"); - /* we don't care if this hook failed */ - run_command(&hook); - } + /* we don't care if this hook failed */ + run_interactive_rewrite_hook(); } apply_autostash(opts); diff --git a/t/t5407-post-rewrite-hook.sh b/t/t5407-post-rewrite-hook.sh index 7344253bfb..f8ce32fe3b 100755 --- a/t/t5407-post-rewrite-hook.sh +++ b/t/t5407-post-rewrite-hook.sh @@ -5,6 +5,7 @@ test_description='Test the post-rewrite hook.' . ./test-lib.sh +. "$TEST_DIRECTORY/lib-hooks.sh" test_expect_success 'setup' ' test_commit A foo A && @@ -263,4 +264,18 @@ test_expect_success 'git rebase -i (exec)' ' verify_hook_input ' +cmd_rebase () { + git reset --hard D && + FAKE_LINES="1 fixup 2" git rebase -i B +} + +cmd_amend () { + git reset --hard D && + echo "D new message" > newmsg && + git commit -Fnewmsg --amend +} + +test_multiple_hooks --ignore-exit-status post-rewrite cmd_rebase +test_multiple_hooks --ignore-exit-status post-rewrite cmd_amend + test_done diff --git a/t/t7505-prepare-commit-msg-hook.sh b/t/t7505-prepare-commit-msg-hook.sh index ba8bd1b514..5b83f037b5 100755 --- a/t/t7505-prepare-commit-msg-hook.sh +++ b/t/t7505-prepare-commit-msg-hook.sh @@ -3,6 +3,7 @@ test_description='prepare-commit-msg hook' . ./test-lib.sh +. "$TEST_DIRECTORY/lib-hooks.sh" test_expect_success 'set up commits for rebasing' ' test_commit root && @@ -317,4 +318,12 @@ test_expect_success C_LOCALE_OUTPUT 'with failing hook (cherry-pick)' ' test $(grep -c prepare-commit-msg actual) = 1 ' +commit_command () { + echo "$1" >>file && + git add file && + git commit -m "$1" +} + +test_multiple_hooks prepare-commit-msg commit_command + test_done