static int pick_commits(struct todo_list *todo_list, struct replay_opts *opts)
{
int res;
setenv(GIT_REFLOG_ACTION, action_name(opts), 0);
if (opts->allow_ff)
assert(!(opts->signoff || opts->no_commit ||
opts->record_origin || opts->edit));
if (read_and_refresh_cache(opts))
return -1;
while (todo_list->current < todo_list->nr) {
struct todo_item *item = todo_list->items + todo_list->current;
if (save_todo(todo_list, opts))
return -1;
res = do_pick_commit(item->command, item->commit, opts);
todo_list->current++;
if (res)
return res;
}
/*
* Sequence of picks finished successfully; cleanup by
* removing the .git/sequencer directory
*/
return sequencer_remove_state(opts);
}
int sequencer_rollback(struct replay_opts *opts)
{
FILE *f;
unsigned char sha1[20];
struct strbuf buf = STRBUF_INIT;
f = fopen(git_path_head_file(), "r");
if (!f && errno == ENOENT) {
/*
* There is no multiple-cherry-pick in progress.
* If CHERRY_PICK_HEAD or REVERT_HEAD indicates
* a single-cherry-pick in progress, abort that.
*/
return rollback_single_pick();
}
if (!f)
return error_errno(_("cannot open '%s'"), git_path_head_file());
if (strbuf_getline_lf(&buf, f)) {
error(_("cannot read '%s': %s"), git_path_head_file(),
ferror(f) ? strerror(errno) : _("unexpected end of file"));
fclose(f);
goto fail;
}
fclose(f);
if (get_sha1_hex(buf.buf, sha1) || buf.buf[40] != '\0') {
error(_("stored pre-cherry-pick HEAD file '%s' is corrupt"),
git_path_head_file());
goto fail;
}
if (is_null_sha1(sha1)) {
error(_("cannot abort from a branch yet to be born"));
goto fail;
}
if (!rollback_is_safe()) {
/* Do not error, just do not rollback */
warning(_("You seem to have moved HEAD. "
"Not rewinding, check your HEAD!"));
} else
if (reset_for_rollback(sha1))
goto fail;
strbuf_release(&buf);
return sequencer_remove_state(opts);
fail:
strbuf_release(&buf);
return -1;
}
static int run_sequencer(int argc, const char **argv, struct replay_opts *opts)
{
const char * const * usage_str = revert_or_cherry_pick_usage(opts);
const char *me = action_name(opts);
int cmd = 0;
struct option base_options[] = {
OPT_CMDMODE(0, "quit", &cmd, N_("end revert or cherry-pick sequence"), 'q'),
OPT_CMDMODE(0, "continue", &cmd, N_("resume revert or cherry-pick sequence"), 'c'),
OPT_CMDMODE(0, "abort", &cmd, N_("cancel revert or cherry-pick sequence"), 'a'),
OPT_BOOL('n', "no-commit", &opts->no_commit, N_("don't automatically commit")),
OPT_BOOL('e', "edit", &opts->edit, N_("edit the commit message")),
OPT_NOOP_NOARG('r', NULL),
OPT_BOOL('s', "signoff", &opts->signoff, N_("add Signed-off-by:")),
OPT_CALLBACK('m', "mainline", opts, N_("parent-number"),
N_("select mainline parent"), option_parse_m),
OPT_RERERE_AUTOUPDATE(&opts->allow_rerere_auto),
OPT_STRING(0, "strategy", &opts->strategy, N_("strategy"), N_("merge strategy")),
OPT_CALLBACK('X', "strategy-option", &opts, N_("option"),
N_("option for merge strategy"), option_parse_x),
{ OPTION_STRING, 'S', "gpg-sign", &opts->gpg_sign, N_("key-id"),
N_("GPG sign commit"), PARSE_OPT_OPTARG, NULL, (intptr_t) "" },
OPT_END()
};
struct option *options = base_options;
if (opts->action == REPLAY_PICK) {
struct option cp_extra[] = {
OPT_BOOL('x', NULL, &opts->record_origin, N_("append commit name")),
OPT_BOOL(0, "ff", &opts->allow_ff, N_("allow fast-forward")),
OPT_BOOL(0, "allow-empty", &opts->allow_empty, N_("preserve initially empty commits")),
OPT_BOOL(0, "allow-empty-message", &opts->allow_empty_message, N_("allow commits with empty messages")),
OPT_BOOL(0, "keep-redundant-commits", &opts->keep_redundant_commits, N_("keep redundant, empty commits")),
OPT_END(),
};
options = parse_options_concat(options, cp_extra);
}
argc = parse_options(argc, argv, NULL, options, usage_str,
PARSE_OPT_KEEP_ARGV0 |
PARSE_OPT_KEEP_UNKNOWN);
/* implies allow_empty */
if (opts->keep_redundant_commits)
opts->allow_empty = 1;
/* Check for incompatible command line arguments */
if (cmd) {
char *this_operation;
if (cmd == 'q')
this_operation = "--quit";
else if (cmd == 'c')
this_operation = "--continue";
else {
assert(cmd == 'a');
this_operation = "--abort";
}
verify_opt_compatible(me, this_operation,
"--no-commit", opts->no_commit,
"--signoff", opts->signoff,
"--mainline", opts->mainline,
"--strategy", opts->strategy ? 1 : 0,
"--strategy-option", opts->xopts ? 1 : 0,
"-x", opts->record_origin,
"--ff", opts->allow_ff,
"--rerere-autoupdate", opts->allow_rerere_auto == RERERE_AUTOUPDATE,
"--no-rerere-autoupdate", opts->allow_rerere_auto == RERERE_NOAUTOUPDATE,
NULL);
}
if (opts->allow_ff)
verify_opt_compatible(me, "--ff",
"--signoff", opts->signoff,
"--no-commit", opts->no_commit,
"-x", opts->record_origin,
"--edit", opts->edit,
NULL);
if (cmd) {
opts->revs = NULL;
} else {
struct setup_revision_opt s_r_opt;
opts->revs = xmalloc(sizeof(*opts->revs));
init_revisions(opts->revs, NULL);
opts->revs->no_walk = REVISION_WALK_NO_WALK_UNSORTED;
if (argc < 2)
usage_with_options(usage_str, options);
if (!strcmp(argv[1], "-"))
argv[1] = "@{-1}";
memset(&s_r_opt, 0, sizeof(s_r_opt));
s_r_opt.assume_dashdash = 1;
argc = setup_revisions(argc, argv, opts->revs, &s_r_opt);
}
if (argc > 1)
usage_with_options(usage_str, options);
/* These option values will be free()d */
opts->gpg_sign = xstrdup_or_null(opts->gpg_sign);
opts->strategy = xstrdup_or_null(opts->strategy);
if (cmd == 'q') {
int ret = sequencer_remove_state(opts);
if (!ret)
remove_branch_state();
return ret;
}
if (cmd == 'c')
return sequencer_continue(opts);
if (cmd == 'a')
return sequencer_rollback(opts);
return sequencer_pick_revisions(opts);
}
