diff options
Diffstat (limited to 'worktree.c')
-rw-r--r-- | worktree.c | 135 |
1 files changed, 106 insertions, 29 deletions
diff --git a/worktree.c b/worktree.c index 199b1ef94b..eb6121263b 100644 --- a/worktree.c +++ b/worktree.c @@ -13,6 +13,7 @@ void free_worktrees(struct worktree **worktrees) free(worktrees[i]->path); free(worktrees[i]->id); free(worktrees[i]->head_ref); + free(worktrees[i]->lock_reason); free(worktrees[i]); } free (worktrees); @@ -80,26 +81,20 @@ static struct worktree *get_main_worktree(void) int is_bare = 0; int is_detached = 0; - strbuf_addstr(&worktree_path, absolute_path(get_git_common_dir())); + strbuf_add_absolute_path(&worktree_path, get_git_common_dir()); is_bare = !strbuf_strip_suffix(&worktree_path, "/.git"); if (is_bare) strbuf_strip_suffix(&worktree_path, "/."); 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); + 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); @@ -125,7 +120,7 @@ static struct worktree *get_linked_worktree(const char *id) strbuf_rtrim(&worktree_path); if (!strbuf_strip_suffix(&worktree_path, "/.git")) { strbuf_reset(&worktree_path); - strbuf_addstr(&worktree_path, absolute_path(".")); + strbuf_add_absolute_path(&worktree_path, "."); strbuf_strip_suffix(&worktree_path, "/."); } @@ -135,13 +130,10 @@ 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); done: @@ -153,24 +145,29 @@ done: static void mark_current_worktree(struct worktree **worktrees) { - struct strbuf git_dir = STRBUF_INIT; - struct strbuf path = STRBUF_INIT; + char *git_dir = xstrdup(absolute_path(get_git_dir())); int i; - strbuf_addstr(&git_dir, absolute_path(get_git_dir())); for (i = 0; worktrees[i]; i++) { struct worktree *wt = worktrees[i]; - strbuf_addstr(&path, absolute_path(get_worktree_git_dir(wt))); - wt->is_current = !fspathcmp(git_dir.buf, path.buf); - strbuf_reset(&path); - if (wt->is_current) + const char *wt_git_dir = get_worktree_git_dir(wt); + + if (!fspathcmp(git_dir, absolute_path(wt_git_dir))) { + wt->is_current = 1; break; + } } - strbuf_release(&git_dir); - strbuf_release(&path); + free(git_dir); +} + +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(void) +struct worktree **get_worktrees(unsigned flags) { struct worktree **list = NULL; struct strbuf path = STRBUF_INIT; @@ -180,8 +177,7 @@ struct worktree **get_worktrees(void) list = xmalloc(alloc * sizeof(struct worktree *)); - 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); @@ -189,7 +185,7 @@ struct worktree **get_worktrees(void) if (dir) { while ((d = readdir(dir)) != NULL) { struct worktree *linked = NULL; - if (!strcmp(d->d_name, ".") || !strcmp(d->d_name, "..")) + if (is_dot_or_dotdot(d->d_name)) continue; if ((linked = get_linked_worktree(d->d_name))) { @@ -202,6 +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; } @@ -216,6 +219,78 @@ const char *get_worktree_git_dir(const struct worktree *wt) return git_common_path("worktrees/%s", wt->id); } +static struct worktree *find_worktree_by_suffix(struct worktree **list, + const char *suffix) +{ + struct worktree *found = NULL; + int nr_found = 0, suffixlen; + + suffixlen = strlen(suffix); + if (!suffixlen) + return NULL; + + for (; *list && nr_found < 2; list++) { + const char *path = (*list)->path; + int pathlen = strlen(path); + int start = pathlen - suffixlen; + + /* suffix must start at directory boundary */ + if ((!start || (start > 0 && is_dir_sep(path[start - 1]))) && + !fspathcmp(suffix, path + start)) { + found = *list; + nr_found++; + } + } + return nr_found == 1 ? found : NULL; +} + +struct worktree *find_worktree(struct worktree **list, + const char *prefix, + const char *arg) +{ + struct worktree *wt; + char *path; + + if ((wt = find_worktree_by_suffix(list, arg))) + return wt; + + arg = prefix_filename(prefix, strlen(prefix), arg); + path = xstrdup(real_path(arg)); + for (; *list; list++) + if (!fspathcmp(path, real_path((*list)->path))) + break; + free(path); + return *list; +} + +int is_main_worktree(const struct worktree *wt) +{ + return !wt->id; +} + +const char *is_worktree_locked(struct worktree *wt) +{ + assert(!is_main_worktree(wt)); + + if (!wt->lock_reason_valid) { + struct strbuf path = STRBUF_INIT; + + strbuf_addstr(&path, worktree_git_path(wt, "locked")); + if (file_exists(path.buf)) { + struct strbuf lock_reason = STRBUF_INIT; + if (strbuf_read_file(&lock_reason, path.buf, 0) < 0) + die_errno(_("failed to read '%s'"), path.buf); + strbuf_trim(&lock_reason); + wt->lock_reason = strbuf_detach(&lock_reason, NULL); + } else + wt->lock_reason = NULL; + wt->lock_reason_valid = 1; + strbuf_release(&path); + } + + return wt->lock_reason; +} + int is_worktree_being_rebased(const struct worktree *wt, const char *target) { @@ -266,10 +341,12 @@ 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]; + if (wt->is_bare) + continue; if (wt->is_detached && !strcmp(symref, "HEAD")) { if (is_worktree_being_rebased(wt, target)) { |