diff options
| -rw-r--r-- | branch.c | 3 | ||||
| -rw-r--r-- | t/helper/test-ref-store.c | 18 | ||||
| -rwxr-xr-x | t/t1407-worktree-ref-store.sh | 40 | ||||
| -rw-r--r-- | worktree.c | 102 | ||||
| -rw-r--r-- | worktree.h | 2 |
5 files changed, 88 insertions, 77 deletions
@@ -355,7 +355,8 @@ int replace_each_worktree_head_symref(const char *oldref, const char *newref, for (i = 0; worktrees[i]; i++) { if (worktrees[i]->is_detached) continue; - if (strcmp(oldref, worktrees[i]->head_ref)) + if (worktrees[i]->head_ref && + strcmp(oldref, worktrees[i]->head_ref)) continue; if (set_worktree_head_symref(get_worktree_git_dir(worktrees[i]), diff --git a/t/helper/test-ref-store.c b/t/helper/test-ref-store.c index 2d84c45ffe..4a487c014e 100644 --- a/t/helper/test-ref-store.c +++ b/t/helper/test-ref-store.c @@ -1,5 +1,6 @@ #include "cache.h" #include "refs.h" +#include "worktree.h" static const char *notnull(const char *arg, const char *name) { @@ -32,6 +33,23 @@ static const char **get_store(const char **argv, struct ref_store **refs) strbuf_release(&sb); *refs = get_submodule_ref_store(gitdir); + } else if (skip_prefix(argv[0], "worktree:", &gitdir)) { + struct worktree **p, **worktrees = get_worktrees(0); + + for (p = worktrees; *p; p++) { + struct worktree *wt = *p; + + if (!wt->id) { + /* special case for main worktree */ + if (!strcmp(gitdir, "main")) + break; + } else if (!strcmp(gitdir, wt->id)) + break; + } + if (!*p) + die("no such worktree: %s", gitdir); + + *refs = get_worktree_ref_store(*p); } else die("unknown backend %s", argv[0]); diff --git a/t/t1407-worktree-ref-store.sh b/t/t1407-worktree-ref-store.sh new file mode 100755 index 0000000000..04d1e9d177 --- /dev/null +++ b/t/t1407-worktree-ref-store.sh @@ -0,0 +1,40 @@ +#!/bin/sh + +test_description='test worktree ref store api' + +. ./test-lib.sh + +RWT="test-ref-store worktree:wt" +RMAIN="test-ref-store worktree:main" + +test_expect_success 'setup' ' + test_commit first && + git worktree add -b wt-master wt && + ( + cd wt && + test_commit second + ) +' + +test_expect_success 'resolve_ref(<shared-ref>)' ' + SHA1=`git rev-parse master` && + echo "$SHA1 refs/heads/master 0x0" >expected && + $RWT resolve-ref refs/heads/master 0 >actual && + test_cmp expected actual && + $RMAIN resolve-ref refs/heads/master 0 >actual && + test_cmp expected actual +' + +test_expect_success 'resolve_ref(<per-worktree-ref>)' ' + SHA1=`git -C wt rev-parse HEAD` && + echo "$SHA1 refs/heads/wt-master 0x1" >expected && + $RWT resolve-ref HEAD 0 >actual && + test_cmp expected actual && + + SHA1=`git rev-parse HEAD` && + echo "$SHA1 refs/heads/master 0x1" >expected && + $RMAIN resolve-ref HEAD 0 >actual && + test_cmp expected actual +' + +test_done diff --git a/worktree.c b/worktree.c index fa7bc67a50..c1ec334b06 100644 --- a/worktree.c +++ b/worktree.c @@ -19,54 +19,25 @@ void free_worktrees(struct worktree **worktrees) free (worktrees); } -/* - * read 'path_to_ref' into 'ref'. Also if is_detached is not NULL, - * set is_detached to 1 (0) if the ref is detached (is not detached). - * - * $GIT_COMMON_DIR/$symref (e.g. HEAD) is practically outside $GIT_DIR so - * for linked worktrees, `resolve_ref_unsafe()` won't work (it uses - * git_path). Parse the ref ourselves. - * - * return -1 if the ref is not a proper ref, 0 otherwise (success) - */ -static int parse_ref(char *path_to_ref, struct strbuf *ref, int *is_detached) -{ - if (is_detached) - *is_detached = 0; - if (!strbuf_readlink(ref, path_to_ref, 0)) { - /* HEAD is symbolic link */ - if (!starts_with(ref->buf, "refs/") || - check_refname_format(ref->buf, 0)) - return -1; - } else if (strbuf_read_file(ref, path_to_ref, 0) >= 0) { - /* textual symref or detached */ - if (!starts_with(ref->buf, "ref:")) { - if (is_detached) - *is_detached = 1; - } else { - strbuf_remove(ref, 0, strlen("ref:")); - strbuf_trim(ref); - if (check_refname_format(ref->buf, 0)) - return -1; - } - } else - return -1; - return 0; -} - /** - * Add the head_sha1 and head_ref (if not detached) to the given worktree + * Update head_sha1, head_ref and is_detached of the given worktree */ -static void add_head_info(struct strbuf *head_ref, struct worktree *worktree) +static void add_head_info(struct worktree *wt) { - if (head_ref->len) { - if (worktree->is_detached) { - get_sha1_hex(head_ref->buf, worktree->head_sha1); - } else { - resolve_ref_unsafe(head_ref->buf, 0, worktree->head_sha1, NULL); - worktree->head_ref = strbuf_detach(head_ref, NULL); - } - } + int flags; + const char *target; + + target = refs_resolve_ref_unsafe(get_worktree_ref_store(wt), + "HEAD", + RESOLVE_REF_READING, + wt->head_sha1, &flags); + if (!target) + return; + + if (flags & REF_ISSYMREF) + wt->head_ref = xstrdup(target); + else + wt->is_detached = 1; } /** @@ -77,9 +48,7 @@ static struct worktree *get_main_worktree(void) struct worktree *worktree = NULL; struct strbuf path = STRBUF_INIT; struct strbuf worktree_path = STRBUF_INIT; - struct strbuf head_ref = STRBUF_INIT; int is_bare = 0; - int is_detached = 0; strbuf_add_absolute_path(&worktree_path, get_git_common_dir()); is_bare = !strbuf_strip_suffix(&worktree_path, "/.git"); @@ -91,13 +60,10 @@ static struct worktree *get_main_worktree(void) worktree = xcalloc(1, sizeof(*worktree)); worktree->path = strbuf_detach(&worktree_path, NULL); worktree->is_bare = is_bare; - worktree->is_detached = is_detached; - if (!parse_ref(path.buf, &head_ref, &is_detached)) - add_head_info(&head_ref, worktree); + add_head_info(worktree); strbuf_release(&path); strbuf_release(&worktree_path); - strbuf_release(&head_ref); return worktree; } @@ -106,8 +72,6 @@ static struct worktree *get_linked_worktree(const char *id) struct worktree *worktree = NULL; struct strbuf path = STRBUF_INIT; struct strbuf worktree_path = STRBUF_INIT; - struct strbuf head_ref = STRBUF_INIT; - int is_detached = 0; if (!id) die("Missing linked worktree name"); @@ -127,19 +91,14 @@ static struct worktree *get_linked_worktree(const char *id) strbuf_reset(&path); strbuf_addf(&path, "%s/worktrees/%s/HEAD", get_git_common_dir(), id); - if (parse_ref(path.buf, &head_ref, &is_detached) < 0) - goto done; - worktree = xcalloc(1, sizeof(*worktree)); worktree->path = strbuf_detach(&worktree_path, NULL); worktree->id = xstrdup(id); - worktree->is_detached = is_detached; - add_head_info(&head_ref, worktree); + add_head_info(worktree); done: strbuf_release(&path); strbuf_release(&worktree_path); - strbuf_release(&head_ref); return worktree; } @@ -334,8 +293,6 @@ const struct worktree *find_shared_symref(const char *symref, const char *target) { const struct worktree *existing = NULL; - struct strbuf path = STRBUF_INIT; - struct strbuf sb = STRBUF_INIT; static struct worktree **worktrees; int i = 0; @@ -345,6 +302,11 @@ const struct worktree *find_shared_symref(const char *symref, for (i = 0; worktrees[i]; i++) { struct worktree *wt = worktrees[i]; + const char *symref_target; + unsigned char sha1[20]; + struct ref_store *refs; + int flags; + if (wt->is_bare) continue; @@ -359,25 +321,15 @@ const struct worktree *find_shared_symref(const char *symref, } } - strbuf_reset(&path); - strbuf_reset(&sb); - strbuf_addf(&path, "%s/%s", - get_worktree_git_dir(wt), - symref); - - if (parse_ref(path.buf, &sb, NULL)) { - continue; - } - - if (!strcmp(sb.buf, target)) { + refs = get_worktree_ref_store(wt); + symref_target = refs_resolve_ref_unsafe(refs, symref, 0, + sha1, &flags); + if ((flags & REF_ISSYMREF) && !strcmp(symref_target, target)) { existing = wt; break; } } - strbuf_release(&path); - strbuf_release(&sb); - return existing; } diff --git a/worktree.h b/worktree.h index 6bfb985203..5ea5e503fb 100644 --- a/worktree.h +++ b/worktree.h @@ -4,7 +4,7 @@ struct worktree { char *path; char *id; - char *head_ref; + char *head_ref; /* NULL if HEAD is broken or detached */ char *lock_reason; /* internal use */ unsigned char head_sha1[20]; int is_detached; |