diff options
Diffstat (limited to 'worktree.c')
| -rw-r--r-- | worktree.c | 103 |
1 files changed, 78 insertions, 25 deletions
diff --git a/worktree.c b/worktree.c index c90e013985..bae787cf8d 100644 --- a/worktree.c +++ b/worktree.c @@ -88,21 +88,13 @@ static struct worktree *get_main_worktree(void) strbuf_addf(&path, "%s/HEAD", get_git_common_dir()); - if (parse_ref(path.buf, &head_ref, &is_detached) < 0) - goto done; - - worktree = xmalloc(sizeof(struct worktree)); + worktree = xcalloc(1, sizeof(*worktree)); worktree->path = strbuf_detach(&worktree_path, NULL); - worktree->id = NULL; worktree->is_bare = is_bare; - worktree->head_ref = NULL; worktree->is_detached = is_detached; - worktree->is_current = 0; - add_head_info(&head_ref, worktree); - worktree->lock_reason = NULL; - worktree->lock_reason_valid = 0; + if (!parse_ref(path.buf, &head_ref, &is_detached)) + add_head_info(&head_ref, worktree); -done: strbuf_release(&path); strbuf_release(&worktree_path); strbuf_release(&head_ref); @@ -138,16 +130,11 @@ static struct worktree *get_linked_worktree(const char *id) if (parse_ref(path.buf, &head_ref, &is_detached) < 0) goto done; - worktree = xmalloc(sizeof(struct worktree)); + worktree = xcalloc(1, sizeof(*worktree)); worktree->path = strbuf_detach(&worktree_path, NULL); worktree->id = xstrdup(id); - worktree->is_bare = 0; - worktree->head_ref = NULL; worktree->is_detached = is_detached; - worktree->is_current = 0; add_head_info(&head_ref, worktree); - worktree->lock_reason = NULL; - worktree->lock_reason_valid = 0; done: strbuf_release(&path); @@ -158,7 +145,7 @@ done: static void mark_current_worktree(struct worktree **worktrees) { - char *git_dir = xstrdup(absolute_path(get_git_dir())); + char *git_dir = absolute_pathdup(get_git_dir()); int i; for (i = 0; worktrees[i]; i++) { @@ -173,7 +160,14 @@ static void mark_current_worktree(struct worktree **worktrees) free(git_dir); } -struct worktree **get_worktrees(void) +static int compare_worktree(const void *a_, const void *b_) +{ + const struct worktree *const *a = a_; + const struct worktree *const *b = b_; + return fspathcmp((*a)->path, (*b)->path); +} + +struct worktree **get_worktrees(unsigned flags) { struct worktree **list = NULL; struct strbuf path = STRBUF_INIT; @@ -181,10 +175,9 @@ struct worktree **get_worktrees(void) struct dirent *d; int counter = 0, alloc = 2; - list = xmalloc(alloc * sizeof(struct worktree *)); + ALLOC_ARRAY(list, alloc); - if ((list[counter] = get_main_worktree())) - counter++; + list[counter++] = get_main_worktree(); strbuf_addf(&path, "%s/worktrees", get_git_common_dir()); dir = opendir(path.buf); @@ -205,6 +198,13 @@ struct worktree **get_worktrees(void) ALLOC_GROW(list, counter + 1, alloc); list[counter] = NULL; + if (flags & GWT_SORT_LINKED) + /* + * don't sort the first item (main worktree), which will + * always be the first + */ + QSORT(list + 1, counter - 1, compare_worktree); + mark_current_worktree(list); return list; } @@ -250,16 +250,19 @@ struct worktree *find_worktree(struct worktree **list, { struct worktree *wt; char *path; + char *to_free = NULL; if ((wt = find_worktree_by_suffix(list, arg))) return wt; - arg = prefix_filename(prefix, strlen(prefix), arg); - path = real_pathdup(arg); + if (prefix) + arg = to_free = prefix_filename(prefix, arg); + path = real_pathdup(arg, 1); for (; *list; list++) if (!fspathcmp(path, real_path((*list)->path))) break; free(path); + free(to_free); return *list; } @@ -341,7 +344,7 @@ const struct worktree *find_shared_symref(const char *symref, if (worktrees) free_worktrees(worktrees); - worktrees = get_worktrees(); + worktrees = get_worktrees(0); for (i = 0; worktrees[i]; i++) { struct worktree *wt = worktrees[i]; @@ -380,3 +383,53 @@ const struct worktree *find_shared_symref(const char *symref, return existing; } + +int submodule_uses_worktrees(const char *path) +{ + char *submodule_gitdir; + struct strbuf sb = STRBUF_INIT; + DIR *dir; + struct dirent *d; + int ret = 0; + struct repository_format format; + + submodule_gitdir = git_pathdup_submodule(path, "%s", ""); + if (!submodule_gitdir) + return 0; + + /* The env would be set for the superproject. */ + get_common_dir_noenv(&sb, submodule_gitdir); + + /* + * The check below is only known to be good for repository format + * version 0 at the time of writing this code. + */ + strbuf_addstr(&sb, "/config"); + read_repository_format(&format, sb.buf); + if (format.version != 0) { + strbuf_release(&sb); + return 1; + } + + /* Replace config by worktrees. */ + strbuf_setlen(&sb, sb.len - strlen("config")); + strbuf_addstr(&sb, "worktrees"); + + /* See if there is any file inside the worktrees directory. */ + dir = opendir(sb.buf); + strbuf_release(&sb); + free(submodule_gitdir); + + if (!dir) + return 0; + + while ((d = readdir(dir)) != NULL) { + if (is_dot_or_dotdot(d->d_name)) + continue; + + ret = 1; + break; + } + closedir(dir); + return ret; +} |