worktree.c: check whether branch is bisected in another worktree

diff --git a/worktree.c b/worktree.c
index 5043756663eb993db5a93fe1da7149caaca8ac5c..aab4b9552e429692943a2b49cd4c8b7379dab68b 100644 (file)
--- a/worktree.c
+++ b/worktree.c
@@ -234,6 +234,21 @@ static int is_worktree_being_rebased(const struct worktree *wt,
        return found_rebase;
 }
 
+static 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
@@ -261,6 +276,10 @@ const struct worktree *find_shared_symref(const char *symref,
                                existing = wt;
                                break;
                        }
+                       if (is_worktree_being_bisected(wt, target)) {
+                               existing = wt;
+                               break;
+                       }
                }
 
                strbuf_reset(&path);