static const char * const git_reset_usage[] = {
N_("git reset [--mixed | --soft | --hard | --merge | --keep] [-q] [<commit>]"),
- N_("git reset [-q]
<tree-ish> [--] <paths>..."),
+ N_("git reset [-q]
[<tree-ish>] [--] <paths>..."),
N_("git reset --patch [<tree-ish>] [--] [<paths>...]"),
NULL
};
return !access(git_path_merge_head(), F_OK);
}
-static int reset_index(const unsigned char *sha1, int reset_type, int quiet)
+static int reset_index(const struct object_id *oid, int reset_type, int quiet)
{
int nr = 1;
struct tree_desc desc[2];
read_cache_unmerged();
if (reset_type == KEEP) {
- unsigned char head_sha1[20];
- if (get_sha1("HEAD", head_sha1))
+ struct object_id head_oid;
+ if (get_oid("HEAD", &head_oid))
return error(_("You do not have a valid HEAD."));
- if (!fill_tree_descriptor(desc, head_sha1))
+ if (!fill_tree_descriptor(desc, head_oid.hash))
return error(_("Failed to find tree of HEAD."));
nr++;
opts.fn = twoway_merge;
}
- if (!fill_tree_descriptor(desc + nr - 1, sha1))
- return error(_("Failed to find tree of %s."), sha1_to_hex(sha1));
+ if (!fill_tree_descriptor(desc + nr - 1, oid->hash))
+ return error(_("Failed to find tree of %s."), oid_to_hex(oid));
if (unpack_trees(nr, desc, &opts))
return -1;
if (reset_type == MIXED || reset_type == HARD) {
- tree = parse_tree_indirect(sha1);
+ tree = parse_tree_indirect(oid->hash);
prime_cache_tree(&the_index, tree);
}
}
static int read_from_tree(const struct pathspec *pathspec,
- unsigned char *tree_sha1,
+ struct object_id *tree_oid,
int intent_to_add)
{
struct diff_options opt;
opt.format_callback = update_index_from_diff;
opt.format_callback_data = &intent_to_add;
- if (do_diff_cache(tree_sha1, &opt))
+ if (do_diff_cache(tree_oid->hash, &opt))
return 1;
diffcore_std(&opt);
diff_flush(&opt);
const char **rev_ret)
{
const char *rev = "HEAD";
- unsigned char unused[20];
+ struct object_id unused;
/*
* Possible arguments are:
*
* has to be unambiguous. If there is a single argument, it
* can not be a tree
*/
- else if ((!argv[1] && !get_sha1_committish(argv[0], unused)) ||
- (argv[1] && !get_sha1_treeish(argv[0], unused))) {
+ else if ((!argv[1] && !get_sha1_committish(argv[0], unused.hash)) ||
+ (argv[1] && !get_sha1_treeish(argv[0], unused.hash))) {
/*
* Ok, argv[0] looks like a commit/tree; it should not
* be a filename.
prefix, argv);
}
-static int reset_refs(const char *rev, const unsigned char *sha1)
+static int reset_refs(const char *rev, const struct object_id *oid)
{
int update_ref_status;
struct strbuf msg = STRBUF_INIT;
- unsigned char *orig = NULL, sha1_orig[20],
- *old_orig = NULL, sha1_old_orig[20];
+ struct object_id *orig = NULL, oid_orig,
+ *old_orig = NULL, oid_old_orig;
- if (!get_sha1("ORIG_HEAD", sha1_old_orig))
- old_orig = sha1_old_orig;
- if (!get_sha1("HEAD", sha1_orig)) {
- orig = sha1_orig;
+ if (!get_oid("ORIG_HEAD", &oid_old_orig))
+ old_orig = &oid_old_orig;
+ if (!get_oid("HEAD", &oid_orig)) {
+ orig = &oid_orig;
set_reflog_message(&msg, "updating ORIG_HEAD", NULL);
- update_ref(msg.buf, "ORIG_HEAD", orig, old_orig, 0,
+ update_ref_oid(msg.buf, "ORIG_HEAD", orig, old_orig, 0,
UPDATE_REFS_MSG_ON_ERR);
} else if (old_orig)
- delete_ref("ORIG_HEAD", old_orig, 0);
+ delete_ref("ORIG_HEAD", old_orig->hash, 0);
set_reflog_message(&msg, "updating HEAD", rev);
- update_ref_status = update_ref(msg.buf, "HEAD", sha1, orig, 0,
+ update_ref_status = update_ref_oid(msg.buf, "HEAD", oid, orig, 0,
UPDATE_REFS_MSG_ON_ERR);
strbuf_release(&msg);
return update_ref_status;
if (reset_type != SOFT) {
struct lock_file *lock = xcalloc(1, sizeof(*lock));
- hold_locked_index(lock, 1);
+ hold_locked_index(lock, LOCK_DIE_ON_ERROR);
if (reset_type == MIXED) {
int flags = quiet ? REFRESH_QUIET : REFRESH_IN_PORCELAIN;
- if (read_from_tree(&pathspec, oid.hash, intent_to_add))
+ if (read_from_tree(&pathspec, &oid, intent_to_add))
return 1;
if (get_git_work_tree())
refresh_index(&the_index, flags, NULL, NULL,
_("Unstaged changes after reset:"));
} else {
- int err = reset_index(oid.hash, reset_type, quiet);
+ int err = reset_index(&oid, reset_type, quiet);
if (reset_type == KEEP && !err)
- err = reset_index(oid.hash, MIXED, quiet);
+ err = reset_index(&oid, MIXED, quiet);
if (err)
die(_("Could not reset index file to revision '%s'."), rev);
}
if (!pathspec.nr && !unborn) {
/* Any resets without paths update HEAD to the head being
* switched to, saving the previous head in ORIG_HEAD before. */
- update_ref_status = reset_refs(rev, oid.hash);
+ update_ref_status = reset_refs(rev, &oid);
if (reset_type == HARD && !update_ref_status && !quiet)
print_new_head_line(lookup_commit_reference(oid.hash));