* previous commit and from the first squash/fixup commit are written
* to it. The commit message for each subsequent squash/fixup commit
* is appended to the file as it is processed.
- *
- * The first line of the file is of the form
- * # This is a combination of $count commits.
- * where $count is the number of commits whose messages have been
- * written to the file so far (including the initial "pick" commit).
- * Each time that a commit message is processed, this line is read and
- * updated. It is deleted just before the combined commit is made.
*/
static GIT_PATH_FUNC(rebase_path_squash_msg, "rebase-merge/message-squash")
/*
* commit without opening the editor.)
*/
static GIT_PATH_FUNC(rebase_path_fixup_msg, "rebase-merge/message-fixup")
+/*
+ * This file contains the list fixup/squash commands that have been
+ * accumulated into message-fixup or message-squash so far.
+ */
+static GIT_PATH_FUNC(rebase_path_current_fixups, "rebase-merge/current-fixups")
/*
* A script to set the GIT_AUTHOR_NAME, GIT_AUTHOR_EMAIL, and
* GIT_AUTHOR_DATE that will be used for the commit that is currently
for (i = 0; i < opts->xopts_nr; i++)
free(opts->xopts[i]);
free(opts->xopts);
+ strbuf_release(&opts->current_fixups);
strbuf_addstr(&dir, get_dir(opts));
remove_dir_recursively(&dir, 0);
argv_array_pushf(&cmd.args, "-S%s", opts->gpg_sign);
if (defmsg)
argv_array_pushl(&cmd.args, "-F", defmsg, NULL);
+ else if (!(flags & EDIT_MSG))
+ argv_array_pushl(&cmd.args, "-C", "HEAD", NULL);
if ((flags & CLEANUP_MSG))
argv_array_push(&cmd.args, "--cleanup=strip");
if ((flags & EDIT_MSG))
struct commit *commit, struct replay_opts *opts)
{
struct strbuf buf = STRBUF_INIT;
- int count, res;
+ int res;
const char *message, *body;
- if (file_exists(rebase_path_squash_msg())) {
+ if (opts->current_fixup_count > 0) {
struct strbuf header = STRBUF_INIT;
- char *eol, *p;
+ char *eol;
- if (strbuf_read_file(&buf, rebase_path_squash_msg(), 2048) <= 0)
+ if (strbuf_read_file(&buf, rebase_path_squash_msg(), 9) <= 0)
return error(_("could not read '%s'"),
rebase_path_squash_msg());
- p = buf.buf + 1;
- eol = strchrnul(buf.buf, '\n');
- if (buf.buf[0] != comment_line_char ||
- (p += strcspn(p, "0123456789\n")) == eol)
- return error(_("unexpected 1st line of squash message:"
- "\n\n\t%.*s"),
- (int)(eol - buf.buf), buf.buf);
- count = strtol(p, NULL, 10);
-
- if (count < 1)
- return error(_("invalid 1st line of squash message:\n"
- "\n\t%.*s"),
- (int)(eol - buf.buf), buf.buf);
+ eol = buf.buf[0] != comment_line_char ?
+ buf.buf : strchrnul(buf.buf, '\n');
strbuf_addf(&header, "%c ", comment_line_char);
- strbuf_addf(&header,
- _("This is a combination of %d commits."), ++count);
+ strbuf_addf(&header, _("This is a combination of %d commits."),
+ opts->current_fixup_count + 2);
strbuf_splice(&buf, 0, eol - buf.buf, header.buf, header.len);
strbuf_release(&header);
} else {
rebase_path_fixup_msg());
}
- count = 2;
strbuf_addf(&buf, "%c ", comment_line_char);
- strbuf_addf(&buf, _("This is a combination of %d commits."),
- count);
+ strbuf_addf(&buf, _("This is a combination of %d commits."), 2);
strbuf_addf(&buf, "\n%c ", comment_line_char);
strbuf_addstr(&buf, _("This is the 1st commit message:"));
strbuf_addstr(&buf, "\n\n");
if (command == TODO_SQUASH) {
unlink(rebase_path_fixup_msg());
strbuf_addf(&buf, "\n%c ", comment_line_char);
- strbuf_addf(&buf, _("This is the commit message #%d:"), count);
+ strbuf_addf(&buf, _("This is the commit message #%d:"),
+ ++opts->current_fixup_count);
strbuf_addstr(&buf, "\n\n");
strbuf_addstr(&buf, body);
} else if (command == TODO_FIXUP) {
strbuf_addf(&buf, "\n%c ", comment_line_char);
strbuf_addf(&buf, _("The commit message #%d will be skipped:"),
- count);
+ ++opts->current_fixup_count);
strbuf_addstr(&buf, "\n\n");
strbuf_add_commented_lines(&buf, body, strlen(body));
} else
res = write_message(buf.buf, buf.len, rebase_path_squash_msg(), 0);
strbuf_release(&buf);
+
+ if (!res) {
+ strbuf_addf(&opts->current_fixups, "%s%s %s",
+ opts->current_fixups.len ? "\n" : "",
+ command_to_string(command),
+ oid_to_hex(&commit->object.oid));
+ res = write_message(opts->current_fixups.buf,
+ opts->current_fixups.len,
+ rebase_path_current_fixups(), 0);
+ }
+
return res;
}
if (!res && final_fixup) {
unlink(rebase_path_fixup_msg());
unlink(rebase_path_squash_msg());
+ unlink(rebase_path_current_fixups());
+ strbuf_reset(&opts->current_fixups);
+ opts->current_fixup_count = 0;
}
leave:
read_strategy_opts(opts, &buf);
strbuf_release(&buf);
+ if (read_oneliner(&opts->current_fixups,
+ rebase_path_current_fixups(), 1)) {
+ const char *p = opts->current_fixups.buf;
+ opts->current_fixup_count = 1;
+ while ((p = strchr(p, '\n'))) {
+ opts->current_fixup_count++;
+ p++;
+ }
+ }
+
return 0;
}
static int error_failed_squash(struct commit *commit,
struct replay_opts *opts, int subject_len, const char *subject)
{
- if (rename(rebase_path_squash_msg(), rebase_path_message()))
- return error(_("could not rename '%s' to '%s'"),
+ if (copy_file(rebase_path_message(), rebase_path_squash_msg(), 0666))
+ return error(_("could not copy '%s' to '%s'"),
rebase_path_squash_msg(), rebase_path_message());
- unlink(rebase_path_fixup_msg());
unlink(git_path_merge_msg());
if (copy_file(git_path_merge_msg(), rebase_path_message(), 0666))
return error(_("could not copy '%s' to '%s'"),
return run_command_v_opt(argv, RUN_GIT_CMD);
}
-static int commit_staged_changes(struct replay_opts *opts)
+static int commit_staged_changes(struct replay_opts *opts,
+ struct todo_list *todo_list)
{
unsigned int flags = ALLOW_EMPTY | EDIT_MSG;
+ unsigned int final_fixup = 0, is_clean;
if (has_unstaged_changes(1))
return error(_("cannot rebase: You have unstaged changes."));
- if (!has_uncommitted_changes(0)) {
- const char *cherry_pick_head = git_path_cherry_pick_head();
- if (file_exists(cherry_pick_head) && unlink(cherry_pick_head))
- return error(_("could not remove CHERRY_PICK_HEAD"));
- return 0;
- }
+ is_clean = !has_uncommitted_changes(0);
if (file_exists(rebase_path_amend())) {
struct strbuf rev = STRBUF_INIT;
if (get_oid_hex(rev.buf, &to_amend))
return error(_("invalid contents: '%s'"),
rebase_path_amend());
- if (oidcmp(&head, &to_amend))
+ if (!is_clean && oidcmp(&head, &to_amend))
return error(_("\nYou have uncommitted changes in your "
"working tree. Please, commit them\n"
"first and then run 'git rebase "
"--continue' again."));
+ /*
+ * When skipping a failed fixup/squash, we need to edit the
+ * commit message, the current fixup list and count, and if it
+ * was the last fixup/squash in the chain, we need to clean up
+ * the commit message and if there was a squash, let the user
+ * edit it.
+ */
+ if (is_clean && !oidcmp(&head, &to_amend) &&
+ opts->current_fixup_count > 0 &&
+ file_exists(rebase_path_stopped_sha())) {
+ const char *p = opts->current_fixups.buf;
+ int len = opts->current_fixups.len;
+
+ opts->current_fixup_count--;
+ if (!len)
+ BUG("Incorrect current_fixups:\n%s", p);
+ while (len && p[len - 1] != '\n')
+ len--;
+ strbuf_setlen(&opts->current_fixups, len);
+ if (write_message(p, len, rebase_path_current_fixups(),
+ 0) < 0)
+ return error(_("could not write file: '%s'"),
+ rebase_path_current_fixups());
+
+ /*
+ * If a fixup/squash in a fixup/squash chain failed, the
+ * commit message is already correct, no need to commit
+ * it again.
+ *
+ * Only if it is the final command in the fixup/squash
+ * chain, and only if the chain is longer than a single
+ * fixup/squash command (which was just skipped), do we
+ * actually need to re-commit with a cleaned up commit
+ * message.
+ */
+ if (opts->current_fixup_count > 0 &&
+ !is_fixup(peek_command(todo_list, 0))) {
+ final_fixup = 1;
+ /*
+ * If there was not a single "squash" in the
+ * chain, we only need to clean up the commit
+ * message, no need to bother the user with
+ * opening the commit message in the editor.
+ */
+ if (!starts_with(p, "squash ") &&
+ !strstr(p, "\nsquash "))
+ flags = (flags & ~EDIT_MSG) | CLEANUP_MSG;
+ } else if (is_fixup(peek_command(todo_list, 0))) {
+ /*
+ * We need to update the squash message to skip
+ * the latest commit message.
+ */
+ struct commit *commit;
+ const char *path = rebase_path_squash_msg();
+
+ if (parse_head(&commit) ||
+ !(p = get_commit_buffer(commit, NULL)) ||
+ write_message(p, strlen(p), path, 0)) {
+ unuse_commit_buffer(commit, p);
+ return error(_("could not write file: "
+ "'%s'"), path);
+ }
+ unuse_commit_buffer(commit, p);
+ }
+ }
strbuf_release(&rev);
flags |= AMEND_MSG;
}
- if (run_git_commit(rebase_path_message(), opts, flags))
+ if (is_clean) {
+ const char *cherry_pick_head = git_path_cherry_pick_head();
+
+ if (file_exists(cherry_pick_head) && unlink(cherry_pick_head))
+ return error(_("could not remove CHERRY_PICK_HEAD"));
+ if (!final_fixup)
+ return 0;
+ }
+
+ if (run_git_commit(final_fixup ? NULL : rebase_path_message(),
+ opts, flags))
return error(_("could not commit staged changes."));
unlink(rebase_path_amend());
+ if (final_fixup) {
+ unlink(rebase_path_fixup_msg());
+ unlink(rebase_path_squash_msg());
+ }
+ if (opts->current_fixup_count > 0) {
+ /*
+ * Whether final fixup or not, we just cleaned up the commit
+ * message...
+ */
+ unlink(rebase_path_current_fixups());
+ strbuf_reset(&opts->current_fixups);
+ opts->current_fixup_count = 0;
+ }
return 0;
}
if (read_and_refresh_cache(opts))
return -1;
+ if (read_populate_opts(opts))
+ return -1;
if (is_rebase_i(opts)) {
- if (commit_staged_changes(opts))
+ if ((res = read_populate_todo(&todo_list, opts)))
+ goto release_todo_list;
+ if (commit_staged_changes(opts, &todo_list))
return -1;
} else if (!file_exists(get_todo_path(opts)))
return continue_single_pick();
- if (read_populate_opts(opts))
- return -1;
- if ((res = read_populate_todo(&todo_list, opts)))
+ else if ((res = read_populate_todo(&todo_list, opts)))
goto release_todo_list;
if (!is_rebase_i(opts)) {