static int post_checkout_hook(struct commit *old, struct commit *new,
int changed)
{
- struct child_process proc;
- const char *name = git_path("hooks/post-checkout");
- const char *argv[5];
+ return run_hook(NULL, "post-checkout",
+ sha1_to_hex(old ? old->object.sha1 : null_sha1),
+ sha1_to_hex(new ? new->object.sha1 : null_sha1),
+ changed ? "1" : "0", NULL);
+ /* "new" can be NULL when checking out from the index before
+ a commit exists. */
- if (access(name, X_OK) < 0)
- return 0;
-
- memset(&proc, 0, sizeof(proc));
- argv[0] = name;
- argv[1] = xstrdup(sha1_to_hex(old->object.sha1));
- argv[2] = xstrdup(sha1_to_hex(new->object.sha1));
- argv[3] = changed ? "1" : "0";
- argv[4] = NULL;
- proc.argv = argv;
- proc.no_stdin = 1;
- proc.stdout_to_stderr = 1;
- return run_command(&proc);
}
static int update_some(const unsigned char *sha1, const char *base, int baselen,
struct lock_file *lock_file = xcalloc(1, sizeof(struct lock_file));
newfd = hold_locked_index(lock_file, 1);
- read_cache();
+ if (read_cache() < 0)
+ return error("corrupt index file");
if (source_tree)
read_tree_some(source_tree, pathspec);
for (pos = 0; pos < active_nr; pos++) {
struct cache_entry *ce = active_cache[pos];
- pathspec_match(pathspec, ps_matched, ce->name, 0);
+ match_pathspec(pathspec, ce->name, ce_namelen(ce), 0, ps_matched);
}
if (report_path_error(ps_matched, pathspec, 0))
/* Any unmerged paths? */
for (pos = 0; pos < active_nr; pos++) {
struct cache_entry *ce = active_cache[pos];
- if (pathspec_match(pathspec, NULL, ce->name, 0)) {
+ if (match_pathspec(pathspec, ce->name, ce_namelen(ce), 0, NULL)) {
if (!ce_stage(ce))
continue;
if (opts->force) {
state.refresh_cache = 1;
for (pos = 0; pos < active_nr; pos++) {
struct cache_entry *ce = active_cache[pos];
- if (pathspec_match(pathspec, NULL, ce->name, 0)) {
+ if (match_pathspec(pathspec, ce->name, ce_namelen(ce), 0, NULL)) {
if (!ce_stage(ce)) {
errs |= checkout_entry(ce, &state, NULL);
continue;
static void describe_detached_head(char *msg, struct commit *commit)
{
- struct strbuf sb;
- strbuf_init(&sb, 0);
+ struct strbuf sb = STRBUF_INIT;
parse_commit(commit);
pretty_print_commit(CMIT_FMT_ONELINE, commit, &sb, 0, NULL, NULL, 0, 0);
fprintf(stderr, "%s %s... %s\n", msg,
static void setup_branch_path(struct branch_info *branch)
{
- struct strbuf buf;
- strbuf_init(&buf, 0);
- strbuf_addstr(&buf, "refs/heads/");
- strbuf_addstr(&buf, branch->name);
+ struct strbuf buf = STRBUF_INIT;
+ int ret;
+
+ if ((ret = interpret_nth_last_branch(branch->name, &buf))
+ && ret == strlen(branch->name)) {
+ branch->name = xstrdup(buf.buf);
+ strbuf_splice(&buf, 0, 0, "refs/heads/", 11);
+ } else {
+ strbuf_addstr(&buf, "refs/heads/");
+ strbuf_addstr(&buf, branch->name);
+ }
branch->path = strbuf_detach(&buf, NULL);
}
int ret;
struct lock_file *lock_file = xcalloc(1, sizeof(struct lock_file));
int newfd = hold_locked_index(lock_file, 1);
- read_cache();
+
+ if (read_cache() < 0)
+ return error("corrupt index file");
if (opts->force) {
ret = reset_tree(new->commit->tree, opts, 1);
}
/* 2-way merge to the new branch */
- topts.initial_checkout = (!active_nr &&
- (old->commit == new->commit));
+ topts.initial_checkout = is_cache_unborn();
topts.update = 1;
topts.merge = 1;
topts.gently = opts->merge;
struct branch_info *old,
struct branch_info *new)
{
- struct strbuf msg;
+ struct strbuf msg = STRBUF_INIT;
const char *old_desc;
if (opts->new_branch) {
create_branch(old->name, opts->new_branch, new->name, 0,
setup_branch_path(new);
}
- strbuf_init(&msg, 0);
old_desc = old->name;
- if (!old_desc)
+ if (!old_desc && old->commit)
old_desc = sha1_to_hex(old->commit->object.sha1);
strbuf_addf(&msg, "checkout: moving from %s to %s",
- old_desc, new->name);
+ old_desc ? old_desc : "(invalid)", new->name);
if (new->path) {
create_symref("HEAD", new->path, msg.buf);
* a new commit, we want to mention the old commit once more
* to remind the user that it might be lost.
*/
- if (!opts->quiet && !old.path && new->commit != old.commit)
+ if (!opts->quiet && !old.path && old.commit && new->commit != old.commit)
describe_detached_head("Previous HEAD position was", old.commit);
- if (!old.commit) {
+ if (!old.commit && !opts->force) {
if (!opts->quiet) {
fprintf(stderr, "warning: You appear to be on a branch yet to be born.\n");
fprintf(stderr, "warning: Forcing checkout of %s.\n", new->name);
git_xmerge_config("merge.conflictstyle", conflict_style, NULL);
}
- if (!opts.new_branch && (opts.track != git_branch_track))
- die("git checkout: --track and --no-track require -b");
-
if (opts.force && opts.merge)
die("git checkout: -f and -m are incompatible");
arg = argv[0];
has_dash_dash = (argc > 1) && !strcmp(argv[1], "--");
+ if (!strcmp(arg, "-"))
+ arg = "@{-1}";
+
if (get_sha1(arg, rev)) {
if (has_dash_dash) /* case (1) */
die("invalid reference: %s", arg);
argv++;
argc--;
+ new.name = arg;
if ((new.commit = lookup_commit_reference_gently(rev, 1))) {
- new.name = arg;
setup_branch_path(&new);
if (resolve_ref(new.path, rev, 1, NULL))
new.commit = lookup_commit_reference(rev);
}
if (opts.new_branch) {
- struct strbuf buf;
- strbuf_init(&buf, 0);
+ struct strbuf buf = STRBUF_INIT;
strbuf_addstr(&buf, "refs/heads/");
strbuf_addstr(&buf, opts.new_branch);
if (!get_sha1(buf.buf, rev))