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-rw-r--r--worktree.c124
1 files changed, 104 insertions, 20 deletions
diff --git a/worktree.c b/worktree.c
index 6181a66f1e..e2a94e0476 100644
--- a/worktree.c
+++ b/worktree.c
@@ -2,6 +2,8 @@
#include "refs.h"
#include "strbuf.h"
#include "worktree.h"
+#include "dir.h"
+#include "wt-status.h"
void free_worktrees(struct worktree **worktrees)
{
@@ -9,7 +11,7 @@ void free_worktrees(struct worktree **worktrees)
for (i = 0; worktrees[i]; i++) {
free(worktrees[i]->path);
- free(worktrees[i]->git_dir);
+ free(worktrees[i]->id);
free(worktrees[i]->head_ref);
free(worktrees[i]);
}
@@ -18,7 +20,7 @@ void free_worktrees(struct worktree **worktrees)
/*
* read 'path_to_ref' into 'ref'. Also if is_detached is not NULL,
- * set is_detached to 1 (0) if the ref is detatched (is not detached).
+ * 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
@@ -74,13 +76,11 @@ static struct worktree *get_main_worktree(void)
struct worktree *worktree = NULL;
struct strbuf path = STRBUF_INIT;
struct strbuf worktree_path = STRBUF_INIT;
- struct strbuf gitdir = STRBUF_INIT;
struct strbuf head_ref = STRBUF_INIT;
int is_bare = 0;
int is_detached = 0;
- strbuf_addf(&gitdir, "%s", absolute_path(get_git_common_dir()));
- strbuf_addbuf(&worktree_path, &gitdir);
+ strbuf_addstr(&worktree_path, absolute_path(get_git_common_dir()));
is_bare = !strbuf_strip_suffix(&worktree_path, "/.git");
if (is_bare)
strbuf_strip_suffix(&worktree_path, "/.");
@@ -92,15 +92,15 @@ static struct worktree *get_main_worktree(void)
worktree = xmalloc(sizeof(struct worktree));
worktree->path = strbuf_detach(&worktree_path, NULL);
- worktree->git_dir = strbuf_detach(&gitdir, 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);
done:
strbuf_release(&path);
- strbuf_release(&gitdir);
strbuf_release(&worktree_path);
strbuf_release(&head_ref);
return worktree;
@@ -111,16 +111,13 @@ 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 gitdir = STRBUF_INIT;
struct strbuf head_ref = STRBUF_INIT;
int is_detached = 0;
if (!id)
die("Missing linked worktree name");
- strbuf_addf(&gitdir, "%s/worktrees/%s",
- absolute_path(get_git_common_dir()), id);
- strbuf_addf(&path, "%s/gitdir", gitdir.buf);
+ strbuf_git_common_path(&path, "worktrees/%s/gitdir", id);
if (strbuf_read_file(&worktree_path, path.buf, 0) <= 0)
/* invalid gitdir file */
goto done;
@@ -140,20 +137,37 @@ static struct worktree *get_linked_worktree(const char *id)
worktree = xmalloc(sizeof(struct worktree));
worktree->path = strbuf_detach(&worktree_path, NULL);
- worktree->git_dir = strbuf_detach(&gitdir, 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:
strbuf_release(&path);
- strbuf_release(&gitdir);
strbuf_release(&worktree_path);
strbuf_release(&head_ref);
return worktree;
}
+static void mark_current_worktree(struct worktree **worktrees)
+{
+ char *git_dir = xstrdup(absolute_path(get_git_dir()));
+ int i;
+
+ for (i = 0; worktrees[i]; i++) {
+ struct worktree *wt = worktrees[i];
+ const char *wt_git_dir = get_worktree_git_dir(wt);
+
+ if (!fspathcmp(git_dir, absolute_path(wt_git_dir))) {
+ wt->is_current = 1;
+ break;
+ }
+ }
+ free(git_dir);
+}
+
struct worktree **get_worktrees(void)
{
struct worktree **list = NULL;
@@ -173,7 +187,7 @@ 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))) {
@@ -185,35 +199,105 @@ struct worktree **get_worktrees(void)
}
ALLOC_GROW(list, counter + 1, alloc);
list[counter] = NULL;
+
+ mark_current_worktree(list);
return list;
}
-char *find_shared_symref(const char *symref, const char *target)
+const char *get_worktree_git_dir(const struct worktree *wt)
{
- char *existing = NULL;
+ if (!wt)
+ return get_git_dir();
+ else if (!wt->id)
+ return get_git_common_dir();
+ else
+ return git_common_path("worktrees/%s", wt->id);
+}
+
+int is_worktree_being_rebased(const struct worktree *wt,
+ const char *target)
+{
+ struct wt_status_state state;
+ int found_rebase;
+
+ memset(&state, 0, sizeof(state));
+ found_rebase = wt_status_check_rebase(wt, &state) &&
+ ((state.rebase_in_progress ||
+ state.rebase_interactive_in_progress) &&
+ state.branch &&
+ starts_with(target, "refs/heads/") &&
+ !strcmp(state.branch, target + strlen("refs/heads/")));
+ free(state.branch);
+ free(state.onto);
+ return found_rebase;
+}
+
+int is_worktree_being_bisected(const struct worktree *wt,
+ const char *target)
+{
+ struct wt_status_state state;
+ int found_rebase;
+
+ memset(&state, 0, sizeof(state));
+ found_rebase = wt_status_check_bisect(wt, &state) &&
+ state.branch &&
+ starts_with(target, "refs/heads/") &&
+ !strcmp(state.branch, target + strlen("refs/heads/"));
+ free(state.branch);
+ return found_rebase;
+}
+
+/*
+ * note: this function should be able to detect shared symref even if
+ * HEAD is temporarily detached (e.g. in the middle of rebase or
+ * bisect). New commands that do similar things should update this
+ * function as well.
+ */
+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;
- struct worktree **worktrees = get_worktrees();
+ static struct worktree **worktrees;
int i = 0;
+ if (worktrees)
+ free_worktrees(worktrees);
+ worktrees = get_worktrees();
+
for (i = 0; worktrees[i]; i++) {
+ struct worktree *wt = worktrees[i];
+
+ if (wt->is_detached && !strcmp(symref, "HEAD")) {
+ if (is_worktree_being_rebased(wt, target)) {
+ existing = wt;
+ break;
+ }
+ if (is_worktree_being_bisected(wt, target)) {
+ existing = wt;
+ break;
+ }
+ }
+
strbuf_reset(&path);
strbuf_reset(&sb);
- strbuf_addf(&path, "%s/%s", worktrees[i]->git_dir, symref);
+ strbuf_addf(&path, "%s/%s",
+ get_worktree_git_dir(wt),
+ symref);
if (parse_ref(path.buf, &sb, NULL)) {
continue;
}
if (!strcmp(sb.buf, target)) {
- existing = xstrdup(worktrees[i]->path);
+ existing = wt;
break;
}
}
strbuf_release(&path);
strbuf_release(&sb);
- free_worktrees(worktrees);
return existing;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-02 08:12:59 +0000