The manual parsing code is replaced with a call to refs_resolve_ref_unsafe().
The manual parsing code must die because only refs/files-backend.c
should do that.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
---
branch.c | 3 +-
worktree.c | 102 ++++++++++++++++---------------------------------------------
worktree.h | 2 +-
3 files changed, 30 insertions(+), 77 deletions(-)
diff --git a/branch.c b/branch.c
index c431cbf6a..fcb4a765c 100644
--- a/branch.c
+++ b/branch.c
@@ -354,7 +354,8 @@ 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/worktree.c b/worktree.c
index eb6121263..f8f520036 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;
@@ -359,24 +321,14 @@ 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 d59ce1fee..961252e71 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;
--
2.11.0.157.gd943d85