diff options
| -rw-r--r-- | Documentation/git-worktree.txt | 5 | ||||
| -rw-r--r-- | builtin/worktree.c | 2 | ||||
| -rwxr-xr-x | t/t2406-worktree-repair.sh | 26 | ||||
| -rw-r--r-- | worktree.c | 41 |
4 files changed, 73 insertions, 1 deletions
diff --git a/Documentation/git-worktree.txt b/Documentation/git-worktree.txt index af06128cc9..02a706c4c0 100644 --- a/Documentation/git-worktree.txt +++ b/Documentation/git-worktree.txt @@ -143,6 +143,11 @@ locate it. Running `repair` within the recently-moved working tree will reestablish the connection. If multiple linked working trees are moved, running `repair` from any working tree with each tree's new `<path>` as an argument, will reestablish the connection to all the specified paths. ++ +If both the main working tree and linked working trees have been moved +manually, then running `repair` in the main working tree and specifying the +new `<path>` of each linked working tree will reestablish all connections +in both directions. unlock:: diff --git a/builtin/worktree.c b/builtin/worktree.c index 197fd24a55..71287b2da6 100644 --- a/builtin/worktree.c +++ b/builtin/worktree.c @@ -1052,10 +1052,10 @@ static int repair(int ac, const char **av, const char *prefix) int rc = 0; ac = parse_options(ac, av, prefix, options, worktree_usage, 0); - repair_worktrees(report_repair, &rc); p = ac > 0 ? av : self; for (; *p; p++) repair_worktree_at_path(*p, report_repair, &rc); + repair_worktrees(report_repair, &rc); return rc; } diff --git a/t/t2406-worktree-repair.sh b/t/t2406-worktree-repair.sh index 1fe468bfe8..f73741886b 100755 --- a/t/t2406-worktree-repair.sh +++ b/t/t2406-worktree-repair.sh @@ -104,6 +104,16 @@ test_expect_success 'repo not found; .git not file' ' test_i18ngrep ".git is not a file" err ' +test_expect_success 'repo not found; .git not referencing repo' ' + test_when_finished "rm -rf side not-a-repo && git worktree prune" && + git worktree add --detach side && + sed s,\.git/worktrees/side$,not-a-repo, side/.git >side/.newgit && + mv side/.newgit side/.git && + mkdir not-a-repo && + test_must_fail git worktree repair side 2>err && + test_i18ngrep ".git file does not reference a repository" err +' + test_expect_success 'repo not found; .git file broken' ' test_when_finished "rm -rf orig moved && git worktree prune" && git worktree add --detach orig && @@ -176,4 +186,20 @@ test_expect_success 'repair multiple gitdir files' ' test_must_be_empty err ' +test_expect_success 'repair moved main and linked worktrees' ' + test_when_finished "rm -rf main side mainmoved sidemoved" && + test_create_repo main && + test_commit -C main init && + git -C main worktree add --detach ../side && + sed "s,side/\.git$,sidemoved/.git," \ + main/.git/worktrees/side/gitdir >expect-gitdir && + sed "s,main/.git/worktrees/side$,mainmoved/.git/worktrees/side," \ + side/.git >expect-gitfile && + mv main mainmoved && + mv side sidemoved && + git -C mainmoved worktree repair ../sidemoved && + test_cmp expect-gitdir mainmoved/.git/worktrees/side/gitdir && + test_cmp expect-gitfile sidemoved/.git +' + test_done diff --git a/worktree.c b/worktree.c index f84ceae87d..821b233479 100644 --- a/worktree.c +++ b/worktree.c @@ -645,6 +645,42 @@ static int is_main_worktree_path(const char *path) } /* + * If both the main worktree and linked worktree have been moved, then the + * gitfile /path/to/worktree/.git won't point into the repository, thus we + * won't know which <repo>/worktrees/<id>/gitdir to repair. However, we may + * be able to infer the gitdir by manually reading /path/to/worktree/.git, + * extracting the <id>, and checking if <repo>/worktrees/<id> exists. + */ +static char *infer_backlink(const char *gitfile) +{ + struct strbuf actual = STRBUF_INIT; + struct strbuf inferred = STRBUF_INIT; + const char *id; + + if (strbuf_read_file(&actual, gitfile, 0) < 0) + goto error; + if (!starts_with(actual.buf, "gitdir:")) + goto error; + if (!(id = find_last_dir_sep(actual.buf))) + goto error; + strbuf_trim(&actual); + id++; /* advance past '/' to point at <id> */ + if (!*id) + goto error; + strbuf_git_common_path(&inferred, the_repository, "worktrees/%s", id); + if (!is_directory(inferred.buf)) + goto error; + + strbuf_release(&actual); + return strbuf_detach(&inferred, NULL); + +error: + strbuf_release(&actual); + strbuf_release(&inferred); + return NULL; +} + +/* * Repair <repo>/worktrees/<id>/gitdir if missing, corrupt, or not pointing at * the worktree's path. */ @@ -675,6 +711,11 @@ void repair_worktree_at_path(const char *path, if (err == READ_GITFILE_ERR_NOT_A_FILE) { fn(1, realdotgit.buf, _("unable to locate repository; .git is not a file"), cb_data); goto done; + } else if (err == READ_GITFILE_ERR_NOT_A_REPO) { + if (!(backlink = infer_backlink(realdotgit.buf))) { + fn(1, realdotgit.buf, _("unable to locate repository; .git file does not reference a repository"), cb_data); + goto done; + } } else if (err) { fn(1, realdotgit.buf, _("unable to locate repository; .git file broken"), cb_data); goto done; |