read_cache();
if (checkout_fast_forward(from, to, 1))
- exit(128); /* the callee should have complained already */
+ return -1; /* the callee should have complained already */
strbuf_addf(&sb, _("%s: fast-forward"), action_name(opts));
{
static struct lock_file index_lock;
int index_fd = hold_locked_index(&index_lock, 0);
- if (read_index_preload(&the_index, NULL) < 0)
+ if (read_index_preload(&the_index, NULL) < 0) {
+ rollback_lock_file(&index_lock);
return error(_("git %s: failed to read the index"),
action_name(opts));
+ }
refresh_index(&the_index, REFRESH_QUIET|REFRESH_UNMERGED, NULL, NULL, NULL);
if (the_index.cache_changed && index_fd >= 0) {
- if (write_locked_index(&the_index, &index_lock, COMMIT_LOCK))
+ if (write_locked_index(&the_index, &index_lock, COMMIT_LOCK)) {
+ rollback_lock_file(&index_lock);
return error(_("git %s: failed to refresh the index"),
action_name(opts));
+ }
}
rollback_lock_file(&index_lock);
return 0;
return 0;
}
-static void read_populate_opts(struct replay_opts **opts_ptr)
+static int read_populate_opts(struct replay_opts **opts)
{
if (!file_exists(git_path_opts_file()))
- return;
- if (git_config_from_file(populate_opts_cb, git_path_opts_file(), *opts_ptr) < 0)
- die(_("Malformed options sheet: %s"), git_path_opts_file());
+ return 0;
+ /*
+ * The function git_parse_source(), called from git_config_from_file(),
+ * may die() in case of a syntactically incorrect file. We do not care
+ * about this case, though, because we wrote that file ourselves, so we
+ * are pretty certain that it is syntactically correct.
+ */
+ if (git_config_from_file(populate_opts_cb, git_path_opts_file(), *opts) < 0)
+ return error(_("Malformed options sheet: %s"),
+ git_path_opts_file());
+ return 0;
}
static int walk_revs_populate_todo(struct commit_list **todo_list,
return -1;
}
else if (mkdir(git_path_seq_dir(), 0777) < 0)
- die_errno(_("Could not create sequencer directory %s"),
- git_path_seq_dir());
+ return error_errno(_("Could not create sequencer directory %s"),
+ git_path_seq_dir());
return 0;
}
-static void save_head(const char *head)
+static int save_head(const char *head)
{
static struct lock_file head_lock;
struct strbuf buf = STRBUF_INIT;
int fd;
- fd = hold_lock_file_for_update(&head_lock, git_path_head_file(), LOCK_DIE_ON_ERROR);
+ fd = hold_lock_file_for_update(&head_lock, git_path_head_file(), 0);
+ if (fd < 0) {
+ rollback_lock_file(&head_lock);
+ return error_errno(_("Could not lock HEAD"));
+ }
strbuf_addf(&buf, "%s\n", head);
- if (write_in_full(fd, buf.buf, buf.len) < 0)
- die_errno(_("Could not write to %s"), git_path_head_file());
- if (commit_lock_file(&head_lock) < 0)
- die(_("Error wrapping up %s."), git_path_head_file());
+ if (write_in_full(fd, buf.buf, buf.len) < 0) {
+ rollback_lock_file(&head_lock);
+ return error_errno(_("Could not write to %s"),
+ git_path_head_file());
+ }
+ if (commit_lock_file(&head_lock) < 0) {
+ rollback_lock_file(&head_lock);
+ return error(_("Error wrapping up %s."), git_path_head_file());
+ }
+ return 0;
}
static int reset_for_rollback(const unsigned char *sha1)
return -1;
}
-static void save_todo(struct commit_list *todo_list, struct replay_opts *opts)
+static int save_todo(struct commit_list *todo_list, struct replay_opts *opts)
{
static struct lock_file todo_lock;
struct strbuf buf = STRBUF_INIT;
int fd;
- fd = hold_lock_file_for_update(&todo_lock, git_path_todo_file(), LOCK_DIE_ON_ERROR);
- if (format_todo(&buf, todo_list, opts) < 0)
- die(_("Could not format %s."), git_path_todo_file());
+ fd = hold_lock_file_for_update(&todo_lock, git_path_todo_file(), 0);
+ if (fd < 0)
+ return error_errno(_("Could not lock '%s'"),
+ git_path_todo_file());
+ if (format_todo(&buf, todo_list, opts) < 0) {
+ strbuf_release(&buf);
+ return error(_("Could not format %s."), git_path_todo_file());
+ }
if (write_in_full(fd, buf.buf, buf.len) < 0) {
strbuf_release(&buf);
- die_errno(_("Could not write to %s"), git_path_todo_file());
+ return error_errno(_("Could not write to %s"),
+ git_path_todo_file());
}
if (commit_lock_file(&todo_lock) < 0) {
strbuf_release(&buf);
- die(_("Error wrapping up %s."), git_path_todo_file());
+ return error(_("Error wrapping up %s."), git_path_todo_file());
}
strbuf_release(&buf);
+ return 0;
}
-static void save_opts(struct replay_opts *opts)
+static int save_opts(struct replay_opts *opts)
{
const char *opts_file = git_path_opts_file();
+ int res = 0;
if (opts->no_commit)
- git_config_set_in_file(opts_file, "options.no-commit", "true");
+ res |= git_config_set_in_file_gently(opts_file, "options.no-commit", "true");
if (opts->edit)
- git_config_set_in_file(opts_file, "options.edit", "true");
+ res |= git_config_set_in_file_gently(opts_file, "options.edit", "true");
if (opts->signoff)
- git_config_set_in_file(opts_file, "options.signoff", "true");
+ res |= git_config_set_in_file_gently(opts_file, "options.signoff", "true");
if (opts->record_origin)
- git_config_set_in_file(opts_file, "options.record-origin", "true");
+ res |= git_config_set_in_file_gently(opts_file, "options.record-origin", "true");
if (opts->allow_ff)
- git_config_set_in_file(opts_file, "options.allow-ff", "true");
+ res |= git_config_set_in_file_gently(opts_file, "options.allow-ff", "true");
if (opts->mainline) {
struct strbuf buf = STRBUF_INIT;
strbuf_addf(&buf, "%d", opts->mainline);
- git_config_set_in_file(opts_file, "options.mainline", buf.buf);
+ res |= git_config_set_in_file_gently(opts_file, "options.mainline", buf.buf);
strbuf_release(&buf);
}
if (opts->strategy)
- git_config_set_in_file(opts_file, "options.strategy", opts->strategy);
+ res |= git_config_set_in_file_gently(opts_file, "options.strategy", opts->strategy);
if (opts->gpg_sign)
- git_config_set_in_file(opts_file, "options.gpg-sign", opts->gpg_sign);
+ res |= git_config_set_in_file_gently(opts_file, "options.gpg-sign", opts->gpg_sign);
if (opts->xopts) {
int i;
for (i = 0; i < opts->xopts_nr; i++)
- git_config_set_multivar_in_file(opts_file,
+ res |= git_config_set_multivar_in_file_gently(opts_file,
"options.strategy-option",
opts->xopts[i], "^$", 0);
}
+ return res;
}
static int pick_commits(struct commit_list *todo_list, struct replay_opts *opts)
return -1;
for (cur = todo_list; cur; cur = cur->next) {
- save_todo(cur, opts);
+ if (save_todo(cur, opts))
+ return -1;
res = do_pick_commit(cur->item, opts);
if (res)
return res;
if (!file_exists(git_path_todo_file()))
return continue_single_pick();
- read_populate_opts(&opts);
- if (read_populate_todo(&todo_list, opts))
+ if (read_populate_opts(&opts) ||
+ read_populate_todo(&todo_list, opts))
return -1;
/* Verify that the conflict has been resolved */
return -1;
if (get_sha1("HEAD", sha1) && (opts->action == REPLAY_REVERT))
return error(_("Can't revert as initial commit"));
- save_head(sha1_to_hex(sha1));
- save_opts(opts);
+ if (save_head(sha1_to_hex(sha1)))
+ return -1;
+ if (save_opts(opts))
+ return -1;
return pick_commits(todo_list, opts);
}