static int sequencer_continue(struct replay_opts *opts, int skip)
{
struct commit_list *todo_list = NULL;
if (!file_exists(git_path(SEQ_TODO_FILE)))
return continue_single_pick();
read_populate_opts(&opts);
read_populate_todo(&todo_list, opts);
if (opts->action == REPLAY_PICK)
load_rewritten(&rewritten, git_path(SEQ_REWR_FILE));
/* Verify that the conflict has been resolved */
if (file_exists(git_path("CHERRY_PICK_HEAD")) ||
file_exists(git_path("REVERT_HEAD"))) {
int ret = continue_single_pick();
if (ret)
return ret;
}
if (index_differs_from("HEAD", 0))
return error_dirty_index(opts);
if (opts->action == REPLAY_PICK && !skip) {
unsigned char to[20];
if (!read_ref("HEAD", to))
add_rewritten(&rewritten, todo_list->item->object.sha1, to);
}
todo_list = todo_list->next;
return pick_commits(todo_list, opts);
}
int sequencer_continue(struct replay_opts *opts)
{
struct todo_list todo_list = TODO_LIST_INIT;
int res;
if (read_and_refresh_cache(opts))
return -1;
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)))
goto release_todo_list;
/* Verify that the conflict has been resolved */
if (file_exists(git_path_cherry_pick_head()) ||
file_exists(git_path_revert_head())) {
res = continue_single_pick();
if (res)
goto release_todo_list;
}
if (index_differs_from("HEAD", 0, 0)) {
res = error_dirty_index(opts);
goto release_todo_list;
}
todo_list.current++;
res = pick_commits(&todo_list, opts);
release_todo_list:
todo_list_release(&todo_list);
return res;
}
static int sequencer_continue(struct replay_opts *opts)
{
struct commit_list *todo_list = NULL;
if (!file_exists(git_path_todo_file()))
return continue_single_pick();
read_populate_opts(&opts);
read_populate_todo(&todo_list, opts);
/* Verify that the conflict has been resolved */
if (file_exists(git_path_cherry_pick_head()) ||
file_exists(git_path_revert_head())) {
int ret = continue_single_pick();
if (ret)
return ret;
}
if (index_differs_from("HEAD", 0))
return error_dirty_index(opts);
todo_list = todo_list->next;
return pick_commits(todo_list, opts);
}
static int do_pick_commit(struct commit *commit, struct replay_opts *opts)
{
unsigned char head[20];
struct commit *base, *next, *parent;
const char *base_label, *next_label;
struct commit_message msg = { NULL, NULL, NULL, NULL };
struct strbuf msgbuf = STRBUF_INIT;
int res, unborn = 0, allow;
if (opts->no_commit) {
/*
* We do not intend to commit immediately. We just want to
* merge the differences in, so let's compute the tree
* that represents the "current" state for merge-recursive
* to work on.
*/
if (write_cache_as_tree(head, 0, NULL))
die (_("Your index file is unmerged."));
} else {
unborn = get_sha1("HEAD", head);
if (unborn)
hashcpy(head, EMPTY_TREE_SHA1_BIN);
if (index_differs_from(unborn ? EMPTY_TREE_SHA1_HEX : "HEAD", 0))
return error_dirty_index(opts);
}
discard_cache();
if (!commit->parents) {
parent = NULL;
}
else if (commit->parents->next) {
/* Reverting or cherry-picking a merge commit */
int cnt;
struct commit_list *p;
if (!opts->mainline)
return error(_("Commit %s is a merge but no -m option was given."),
oid_to_hex(&commit->object.oid));
for (cnt = 1, p = commit->parents;
cnt != opts->mainline && p;
cnt++)
p = p->next;
if (cnt != opts->mainline || !p)
return error(_("Commit %s does not have parent %d"),
oid_to_hex(&commit->object.oid), opts->mainline);
parent = p->item;
} else if (0 < opts->mainline)
return error(_("Mainline was specified but commit %s is not a merge."),
oid_to_hex(&commit->object.oid));
else
parent = commit->parents->item;
if (opts->allow_ff &&
((parent && !hashcmp(parent->object.oid.hash, head)) ||
(!parent && unborn)))
return fast_forward_to(commit->object.oid.hash, head, unborn, opts);
if (parent && parse_commit(parent) < 0)
/* TRANSLATORS: The first %s will be "revert" or
"cherry-pick", the second %s a SHA1 */
return error(_("%s: cannot parse parent commit %s"),
action_name(opts), oid_to_hex(&parent->object.oid));
if (get_message(commit, &msg) != 0)
return error(_("Cannot get commit message for %s"),
oid_to_hex(&commit->object.oid));
/*
* "commit" is an existing commit. We would want to apply
* the difference it introduces since its first parent "prev"
* on top of the current HEAD if we are cherry-pick. Or the
* reverse of it if we are revert.
*/
if (opts->action == REPLAY_REVERT) {
base = commit;
base_label = msg.label;
next = parent;
next_label = msg.parent_label;
strbuf_addstr(&msgbuf, "Revert \"");
strbuf_addstr(&msgbuf, msg.subject);
strbuf_addstr(&msgbuf, "\"\n\nThis reverts commit ");
strbuf_addstr(&msgbuf, oid_to_hex(&commit->object.oid));
if (commit->parents && commit->parents->next) {
strbuf_addstr(&msgbuf, ", reversing\nchanges made to ");
strbuf_addstr(&msgbuf, oid_to_hex(&parent->object.oid));
}
strbuf_addstr(&msgbuf, ".\n");
} else {
const char *p;
base = parent;
base_label = msg.parent_label;
next = commit;
next_label = msg.label;
/*
* Append the commit log message to msgbuf; it starts
* after the tree, parent, author, committer
* information followed by "\n\n".
*/
p = strstr(msg.message, "\n\n");
if (p)
strbuf_addstr(&msgbuf, skip_blank_lines(p + 2));
if (opts->record_origin) {
if (!has_conforming_footer(&msgbuf, NULL, 0))
strbuf_addch(&msgbuf, '\n');
strbuf_addstr(&msgbuf, cherry_picked_prefix);
strbuf_addstr(&msgbuf, oid_to_hex(&commit->object.oid));
strbuf_addstr(&msgbuf, ")\n");
}
}
if (!opts->strategy || !strcmp(opts->strategy, "recursive") || opts->action == REPLAY_REVERT) {
res = do_recursive_merge(base, next, base_label, next_label,
head, &msgbuf, opts);
write_message(&msgbuf, git_path_merge_msg());
} else {
struct commit_list *common = NULL;
struct commit_list *remotes = NULL;
write_message(&msgbuf, git_path_merge_msg());
commit_list_insert(base, &common);
commit_list_insert(next, &remotes);
res = try_merge_command(opts->strategy, opts->xopts_nr, opts->xopts,
common, sha1_to_hex(head), remotes);
free_commit_list(common);
free_commit_list(remotes);
}
/*
* If the merge was clean or if it failed due to conflict, we write
* CHERRY_PICK_HEAD for the subsequent invocation of commit to use.
* However, if the merge did not even start, then we don't want to
* write it at all.
*/
if (opts->action == REPLAY_PICK && !opts->no_commit && (res == 0 || res == 1))
update_ref(NULL, "CHERRY_PICK_HEAD", commit->object.oid.hash, NULL,
REF_NODEREF, UPDATE_REFS_DIE_ON_ERR);
if (opts->action == REPLAY_REVERT && ((opts->no_commit && res == 0) || res == 1))
update_ref(NULL, "REVERT_HEAD", commit->object.oid.hash, NULL,
REF_NODEREF, UPDATE_REFS_DIE_ON_ERR);
if (res) {
error(opts->action == REPLAY_REVERT
? _("could not revert %s... %s")
: _("could not apply %s... %s"),
find_unique_abbrev(commit->object.oid.hash, DEFAULT_ABBREV),
msg.subject);
print_advice(res == 1, opts);
rerere(opts->allow_rerere_auto);
goto leave;
}
allow = allow_empty(opts, commit);
if (allow < 0) {
res = allow;
goto leave;
}
if (!opts->no_commit)
res = run_git_commit(git_path_merge_msg(), opts, allow);
leave:
free_message(commit, &msg);
return res;
}
