diff options
Diffstat (limited to 'builtin/checkout.c')
-rw-r--r-- | builtin/checkout.c | 50 |
1 files changed, 28 insertions, 22 deletions
diff --git a/builtin/checkout.c b/builtin/checkout.c index 5c202b7af5..3faae382de 100644 --- a/builtin/checkout.c +++ b/builtin/checkout.c @@ -247,7 +247,7 @@ static int checkout_paths(const struct checkout_opts *opts, struct object_id rev; struct commit *head; int errs = 0; - struct lock_file *lock_file; + struct lock_file lock_file = LOCK_INIT; if (opts->track != BRANCH_TRACK_UNSPECIFIED) die(_("'%s' cannot be used with updating paths"), "--track"); @@ -275,9 +275,7 @@ static int checkout_paths(const struct checkout_opts *opts, return run_add_interactive(revision, "--patch=checkout", &opts->pathspec); - lock_file = xcalloc(1, sizeof(struct lock_file)); - - hold_locked_index(lock_file, LOCK_DIE_ON_ERROR); + hold_locked_index(&lock_file, LOCK_DIE_ON_ERROR); if (read_cache_preload(&opts->pathspec) < 0) return error(_("index file corrupt")); @@ -376,10 +374,10 @@ static int checkout_paths(const struct checkout_opts *opts, } errs |= finish_delayed_checkout(&state); - if (write_locked_index(&the_index, lock_file, COMMIT_LOCK)) + if (write_locked_index(&the_index, &lock_file, COMMIT_LOCK)) die(_("unable to write new index file")); - read_ref_full("HEAD", 0, rev.hash, NULL); + read_ref_full("HEAD", 0, &rev, NULL); head = lookup_commit_reference_gently(&rev, 1); errs |= post_checkout_hook(head, head, 0); @@ -436,6 +434,7 @@ static int reset_tree(struct tree *tree, const struct checkout_opts *o, * update paths in the work tree, and we cannot revert * them. */ + /* fallthrough */ case 0: return 0; default: @@ -471,9 +470,9 @@ static int merge_working_tree(const struct checkout_opts *opts, int *writeout_error) { int ret; - struct lock_file *lock_file = xcalloc(1, sizeof(struct lock_file)); + struct lock_file lock_file = LOCK_INIT; - hold_locked_index(lock_file, LOCK_DIE_ON_ERROR); + hold_locked_index(&lock_file, LOCK_DIE_ON_ERROR); if (read_cache_preload(NULL) < 0) return error(_("index file corrupt")); @@ -590,7 +589,7 @@ static int merge_working_tree(const struct checkout_opts *opts, if (!cache_tree_fully_valid(active_cache_tree)) cache_tree_update(&the_index, WRITE_TREE_SILENT | WRITE_TREE_REPAIR); - if (write_locked_index(&the_index, lock_file, COMMIT_LOCK)) + if (write_locked_index(&the_index, &lock_file, COMMIT_LOCK)) die(_("unable to write new index file")); if (!opts->force && !opts->quiet) @@ -663,8 +662,8 @@ static void update_refs_for_switch(const struct checkout_opts *opts, if (!strcmp(new->name, "HEAD") && !new->path && !opts->force_detach) { /* Nothing to do. */ } else if (opts->force_detach || !new->path) { /* No longer on any branch. */ - update_ref(msg.buf, "HEAD", new->commit->object.oid.hash, NULL, - REF_NODEREF, UPDATE_REFS_DIE_ON_ERR); + update_ref(msg.buf, "HEAD", &new->commit->object.oid, NULL, + REF_NO_DEREF, UPDATE_REFS_DIE_ON_ERR); if (!opts->quiet) { if (old->path && advice_detached_head && !opts->force_detach) @@ -796,9 +795,14 @@ static void orphaned_commit_warning(struct commit *old, struct commit *new) for_each_ref(add_pending_uninteresting_ref, &revs); add_pending_oid(&revs, "HEAD", &new->object.oid, UNINTERESTING); + /* Save pending objects, so they can be cleaned up later. */ refs = revs.pending; revs.leak_pending = 1; + /* + * prepare_revision_walk (together with .leak_pending = 1) makes us + * the sole owner of the list of pending objects. + */ if (prepare_revision_walk(&revs)) die(_("internal error in revision walk")); if (!(old->object.flags & UNINTERESTING)) @@ -806,8 +810,10 @@ static void orphaned_commit_warning(struct commit *old, struct commit *new) else describe_detached_head(_("Previous HEAD position was"), old); + /* Clean up objects used, as they will be reused. */ clear_commit_marks_for_object_array(&refs, ALL_REV_FLAGS); - free(refs.objects); + + object_array_clear(&refs); } static int switch_branches(const struct checkout_opts *opts, @@ -819,7 +825,7 @@ static int switch_branches(const struct checkout_opts *opts, struct object_id rev; int flag, writeout_error = 0; memset(&old, 0, sizeof(old)); - old.path = path_to_free = resolve_refdup("HEAD", 0, rev.hash, &flag); + old.path = path_to_free = resolve_refdup("HEAD", 0, &rev, &flag); if (old.path) old.commit = lookup_commit_reference_gently(&rev, 1); if (!(flag & REF_ISSYMREF)) @@ -1030,7 +1036,7 @@ static int parse_branchname_arg(int argc, const char **argv, setup_branch_path(new); if (!check_refname_format(new->path, 0) && - !read_ref(new->path, branch_rev.hash)) + !read_ref(new->path, &branch_rev)) oidcpy(rev, &branch_rev); else new->path = NULL; /* not an existing branch */ @@ -1116,9 +1122,8 @@ static int checkout_branch(struct checkout_opts *opts, if (new->path && !opts->force_detach && !opts->new_branch && !opts->ignore_other_worktrees) { - struct object_id oid; int flag; - char *head_ref = resolve_refdup("HEAD", 0, oid.hash, &flag); + char *head_ref = resolve_refdup("HEAD", 0, NULL, &flag); if (head_ref && (!(flag & REF_ISSYMREF) || strcmp(head_ref, new->path))) die_if_checked_out(new->path, 1); @@ -1129,7 +1134,7 @@ static int checkout_branch(struct checkout_opts *opts, struct object_id rev; int flag; - if (!read_ref_full("HEAD", 0, rev.hash, &flag) && + if (!read_ref_full("HEAD", 0, &rev, &flag) && (flag & REF_ISSYMREF) && is_null_oid(&rev)) return switch_unborn_to_new_branch(opts); } @@ -1282,14 +1287,15 @@ int cmd_checkout(int argc, const char **argv, const char *prefix) if (opts.new_branch) { struct strbuf buf = STRBUF_INIT; - opts.branch_exists = - validate_new_branchname(opts.new_branch, &buf, - !!opts.new_branch_force, - !!opts.new_branch_force); - + if (opts.new_branch_force) + opts.branch_exists = validate_branchname(opts.new_branch, &buf); + else + opts.branch_exists = + validate_new_branchname(opts.new_branch, &buf, 0); strbuf_release(&buf); } + UNLEAK(opts); if (opts.patch_mode || opts.pathspec.nr) return checkout_paths(&opts, new.name); else |