add: speed up cmd_add() by utilizing read_cache_preload()

diff --git a/sequencer.c b/sequencer.c
index 3c86c7694be5c364eaa7b4ea9724c66854b7477a..9e1ab3a2a7e3f65cc444cded7f3330bb27be2db8 100644 (file)
--- a/sequencer.c
+++ b/sequencer.c
@@ -1458,6 +1458,7 @@ enum todo_command {
        TODO_SQUASH,
        /* commands that do something else than handling a single commit */
        TODO_EXEC,
+       TODO_BREAK,
        TODO_LABEL,
        TODO_RESET,
        TODO_MERGE,
@@ -1479,6 +1480,7 @@ static struct {
        { 'f', "fixup" },
        { 's', "squash" },
        { 'x', "exec" },
+       { 'b', "break" },
        { 'l', "label" },
        { 't', "reset" },
        { 'm', "merge" },
@@ -1992,7 +1994,8 @@ static int parse_insn_line(struct todo_item *item, const char *bol, char *eol)
                if (skip_prefix(bol, todo_command_info[i].str, &bol)) {
                        item->command = i;
                        break;
-               } else if (bol[1] == ' ' && *bol == todo_command_info[i].c) {
+               } else if ((bol + 1 == eol || bol[1] == ' ') &&
+                          *bol == todo_command_info[i].c) {
                        bol++;
                        item->command = i;
                        break;
@@ -2004,7 +2007,7 @@ static int parse_insn_line(struct todo_item *item, const char *bol, char *eol)
        padding = strspn(bol, " \t");
        bol += padding;
 
-       if (item->command == TODO_NOOP) {
+       if (item->command == TODO_NOOP || item->command == TODO_BREAK) {
                if (bol != eol)
                        return error(_("%s does not accept arguments: '%s'"),
                                     command_to_string(item->command), bol);
@@ -2375,7 +2378,7 @@ int write_basic_state(struct replay_opts *opts, const char *head_name,
                write_file(rebase_path_quiet(), "\n");
 
        if (opts->verbose)
-               write_file(rebase_path_verbose(), "");
+               write_file(rebase_path_verbose(), "%s", "");
        if (opts->strategy)
                write_file(rebase_path_strategy(), "%s\n", opts->strategy);
        if (opts->xopts_nr > 0)
@@ -3393,6 +3396,24 @@ static int checkout_onto(struct replay_opts *opts,
        return update_ref(NULL, "ORIG_HEAD", &oid, NULL, 0, UPDATE_REFS_MSG_ON_ERR);
 }
 
+static int stopped_at_head(void)
+{
+       struct object_id head;
+       struct commit *commit;
+       struct commit_message message;
+
+       if (get_oid("HEAD", &head) ||
+           !(commit = lookup_commit(the_repository, &head)) ||
+           parse_commit(commit) || get_message(commit, &message))
+               fprintf(stderr, _("Stopped at HEAD\n"));
+       else {
+               fprintf(stderr, _("Stopped at %s\n"), message.label);
+               free_message(commit, &message);
+       }
+       return 0;
+
+}
+
 static const char rescheduled_advice[] =
 N_("Could not execute the todo command\n"
 "\n"
@@ -3439,6 +3460,9 @@ static int pick_commits(struct todo_list *todo_list, struct replay_opts *opts)
                        unlink(rebase_path_stopped_sha());
                        unlink(rebase_path_amend());
                        delete_ref(NULL, "REBASE_HEAD", NULL, REF_NO_DEREF);
+
+                       if (item->command == TODO_BREAK)
+                               return stopped_at_head();
                }
                if (item->command <= TODO_SQUASH) {
                        if (is_rebase_i(opts))