From patchwork Tue Nov 26 01:51:58 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Caleb White X-Patchwork-Id: 13885434 Received: from mail-40133.protonmail.ch (mail-40133.protonmail.ch [185.70.40.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7CDBF1799F for ; Tue, 26 Nov 2024 01:52:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.70.40.133 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732585928; cv=none; b=E1+LkozZGCkYGlAQZWFOZRhjJt70J9/dESkWZow7+ms9iphp66sUkEtG6vd5O/OIP3rxcwoJypiylBH6OoLh53yx2yqNwJmK1Xoh9eKbcapcPNyJkyjA/CPTTZ/rZu1wixYz7TzbsZRTlfTdf9h6WPWIwjv53RH81oIHmvWsfCo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732585928; c=relaxed/simple; bh=oKuvO9z41n9rfyQpOAril1UCgmdyXiFdRNvV6hSUsSU=; h=Date:To:From:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=E3YbsLHhIZHiN0c9X4TJLTuk2BhYWsHh3sX/HAM+TYHhexy0z1d+0gO6N2eHTXY3irR7bO1TaPAnn2zRrH9i6nQmw+Ow2oqPQMmbG/fuEOkyl/v3LNdLq4FMvY9Dv/xoeYgKCBMK9MomELh/vdr+VzcZayf8m+GnYu20y98CYOk= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=pm.me; spf=pass smtp.mailfrom=pm.me; dkim=pass (2048-bit key) header.d=pm.me header.i=@pm.me header.b=EHOZGkBU; arc=none smtp.client-ip=185.70.40.133 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=pm.me Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=pm.me Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=pm.me header.i=@pm.me header.b="EHOZGkBU" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=pm.me; s=protonmail3; t=1732585924; x=1732845124; bh=4vvDm+XXwPPvMZOS9mtInxYEWB2d92PqOjE/rhRutak=; h=Date:To:From:Cc:Subject:Message-ID:In-Reply-To:References: Feedback-ID:From:To:Cc:Date:Subject:Reply-To:Feedback-ID: Message-ID:BIMI-Selector:List-Unsubscribe:List-Unsubscribe-Post; b=EHOZGkBUYqRwYIsXEuULF1go1MDswCtbsJ9ZxkIL2ibUOzfldZwPfeS8ipgu5iBSH wJKXXywCNvy3i8Kq6fj7aYGuy5GXNKvSqr8mixiJrnTmGLgYvVpok9XQWN+tO7on/y I/tEh7BacQF5G3GoHeEH4rWfNpPaA8zjpGsaPTwRCxc2VMP4hWPjBVLnoQ0eaWBzju o4zlMSn6nG5ubs1zQCWiqfApBELP1qw067j6tRE6NYys5FyVinLfUPmpPqQ5c93fjm gG3vaYOigFuMFvB9L2MI6a/xAglz491Xkg6H17UWtwhm5YVYcy3hdKG5Iaz25pLIto OAIH2wI86IDUA== Date: Tue, 26 Nov 2024 01:51:58 +0000 To: git@vger.kernel.org From: Caleb White Cc: Taylor Blau , Phillip Wood , Junio C Hamano , Eric Sunshine , Caleb White Subject: [PATCH v5 4/8] worktree: add `write_worktree_linking_files()` function Message-ID: <20241125-wt_relative_options-v5-4-356d122ff3db@pm.me> In-Reply-To: <20241125-wt_relative_options-v5-0-356d122ff3db@pm.me> References: <20241031-wt_relative_options-v4-0-07a3dc0f02a3@pm.me> <20241125-wt_relative_options-v5-0-356d122ff3db@pm.me> Feedback-ID: 31210263:user:proton X-Pm-Message-ID: 44ac1ebe4d4beb9a82fda927a019bb7f9fe3e0eb Precedence: bulk X-Mailing-List: git@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 A new helper function, `write_worktree_linking_files()`, centralizes the logic for computing and writing either relative or absolute paths, based on the provided configuration. This function accepts `strbuf` pointers to both the worktree’s `.git` link and the repository’s `gitdir`, and then writes the appropriate path to each. The `relativeWorktrees` extension is automatically set when a worktree is linked with relative paths. Signed-off-by: Caleb White --- worktree.c | 35 +++++++++++++++++++++++++++++++++++ worktree.h | 13 +++++++++++++ 2 files changed, 48 insertions(+) diff --git a/worktree.c b/worktree.c index afde5394c8760c328f12aa321be3ac5c199cc0f1..cf05045cc973f121a0a76b5ccfa731acf25d1a73 100644 --- a/worktree.c +++ b/worktree.c @@ -1032,3 +1032,38 @@ int init_worktree_config(struct repository *r) free(main_worktree_file); return res; } + +void write_worktree_linking_files(struct strbuf dotgit, struct strbuf gitdir, + int use_relative_paths) +{ + struct strbuf path = STRBUF_INIT; + struct strbuf repo = STRBUF_INIT; + struct strbuf tmp = STRBUF_INIT; + + strbuf_addbuf(&path, &dotgit); + strbuf_strip_suffix(&path, "/.git"); + strbuf_realpath(&path, path.buf, 1); + strbuf_addbuf(&repo, &gitdir); + strbuf_strip_suffix(&repo, "/gitdir"); + strbuf_realpath(&repo, repo.buf, 1); + + if (use_relative_paths && !the_repository->repository_format_relative_worktrees) { + if (upgrade_repository_format(1) < 0) + die(_("unable to upgrade repository format to support relative worktrees")); + if (git_config_set_gently("extensions.relativeWorktrees", "true")) + die(_("unable to set extensions.relativeWorktrees setting")); + the_repository->repository_format_relative_worktrees = 1; + } + + if (use_relative_paths) { + write_file(gitdir.buf, "%s/.git", relative_path(path.buf, repo.buf, &tmp)); + write_file(dotgit.buf, "gitdir: %s", relative_path(repo.buf, path.buf, &tmp)); + } else { + write_file(gitdir.buf, "%s/.git", path.buf); + write_file(dotgit.buf, "gitdir: %s", repo.buf); + } + + strbuf_release(&path); + strbuf_release(&repo); + strbuf_release(&tmp); +} diff --git a/worktree.h b/worktree.h index e96118621638667d87c5d7e0452ed10bd1ddf606..fd040f5d999697b603df929679bdddd2ff7f6eea 100644 --- a/worktree.h +++ b/worktree.h @@ -215,4 +215,17 @@ void strbuf_worktree_ref(const struct worktree *wt, */ int init_worktree_config(struct repository *r); +/** + * Write the .git file and gitdir file that links the worktree to the repository. + * + * The `dotgit` parameter is the path to the worktree's .git file, and `gitdir` + * is the path to the repository's `gitdir` file. + * + * Example + * dotgit: "/path/to/foo/.git" + * gitdir: "/path/to/repo/worktrees/foo/gitdir" + */ +void write_worktree_linking_files(struct strbuf dotgit, struct strbuf gitdir, + int use_relative_paths); + #endif