int sequencer_pick_revisions(struct replay_opts *opts)
{
struct commit_list *todo_list = NULL;
unsigned char sha1[20];
int i;
if (opts->subcommand == REPLAY_NONE)
assert(opts->revs);
read_and_refresh_cache(opts);
/*
* Decide what to do depending on the arguments; a fresh
* cherry-pick should be handled differently from an existing
* one that is being continued
*/
if (opts->subcommand == REPLAY_REMOVE_STATE) {
remove_sequencer_state();
return 0;
}
if (opts->subcommand == REPLAY_ROLLBACK)
return sequencer_rollback(opts);
if (opts->subcommand == REPLAY_CONTINUE)
return sequencer_continue(opts, 0);
if (opts->subcommand == REPLAY_SKIP)
return sequencer_skip(opts);
for (i = 0; i < opts->revs->pending.nr; i++) {
unsigned char sha1[20];
const char *name = opts->revs->pending.objects[i].name;
/* This happens when using --stdin. */
if (!strlen(name))
continue;
if (!get_sha1(name, sha1)) {
if (!lookup_commit_reference_gently(sha1, 1)) {
enum object_type type = sha1_object_info(sha1, NULL);
die(_("%s: can't cherry-pick a %s"), name, typename(type));
}
} else
die(_("%s: bad revision"), name);
}
static int sequencer_skip(struct replay_opts *opts)
{
const char *argv[3]; /* reset --hard + NULL */
struct string_list merge_rr = STRING_LIST_INIT_DUP;
int ret;
if (setup_rerere(&merge_rr, 0) >= 0) {
rerere_clear(&merge_rr);
string_list_clear(&merge_rr, 1);
}
argv[0] = "reset";
argv[1] = "--hard";
argv[2] = NULL;
ret = run_command_v_opt(argv, RUN_GIT_CMD);
if (ret)
return ret;
discard_cache();
read_cache();
return sequencer_continue(opts, 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);
}
int sequencer_pick_revisions(struct replay_opts *opts)
{
struct commit_list *todo_list = NULL;
unsigned char sha1[20];
if (opts->subcommand == REPLAY_NONE)
assert(opts->revs);
read_and_refresh_cache(opts);
/*
* Decide what to do depending on the arguments; a fresh
* cherry-pick should be handled differently from an existing
* one that is being continued
*/
if (opts->subcommand == REPLAY_REMOVE_STATE) {
remove_sequencer_state();
return 0;
}
if (opts->subcommand == REPLAY_ROLLBACK)
return sequencer_rollback(opts);
if (opts->subcommand == REPLAY_CONTINUE)
return sequencer_continue(opts);
/*
* If we were called as "git cherry-pick <commit>", just
* cherry-pick/revert it, set CHERRY_PICK_HEAD /
* REVERT_HEAD, and don't touch the sequencer state.
* This means it is possible to cherry-pick in the middle
* of a cherry-pick sequence.
*/
if (opts->revs->cmdline.nr == 1 &&
opts->revs->cmdline.rev->whence == REV_CMD_REV &&
opts->revs->no_walk &&
!opts->revs->cmdline.rev->flags) {
struct commit *cmit;
if (prepare_revision_walk(opts->revs))
die(_("revision walk setup failed"));
cmit = get_revision(opts->revs);
if (!cmit || get_revision(opts->revs))
die("BUG: expected exactly one commit from walk");
return single_pick(cmit, opts);
}
/*
* Start a new cherry-pick/ revert sequence; but
* first, make sure that an existing one isn't in
* progress
*/
walk_revs_populate_todo(&todo_list, opts);
if (create_seq_dir() < 0)
return -1;
if (get_sha1("HEAD", sha1)) {
if (opts->action == REPLAY_REVERT)
return error(_("Can't revert as initial commit"));
return error(_("Can't cherry-pick into empty head"));
}
save_head(sha1_to_hex(sha1));
save_opts(opts);
return pick_commits(todo_list, opts);
}
