From mboxrd@z Thu Jan 1 00:00:00 1970 From: Max Kirillov Subject: [PATCH v4 2/2] path: implement common_dir handling in git_path_submodule() Date: Wed, 18 Mar 2015 23:10:52 +0200 Message-ID: <1426713052-19171-3-git-send-email-max@max630.net> References: <1426713052-19171-1-git-send-email-max@max630.net> Cc: Junio C Hamano , git@vger.kernel.org, Max Kirillov To: =?UTF-8?q?Nguy=E1=BB=85n=20Th=C3=A1i=20Ng=E1=BB=8Dc=20Duy?= , Jens Lehmann X-From: git-owner@vger.kernel.org Wed Mar 18 22:19:26 2015 Return-path: Envelope-to: gcvg-git-2@plane.gmane.org Received: from vger.kernel.org ([209.132.180.67]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1YYLN6-00052c-Cb for gcvg-git-2@plane.gmane.org; Wed, 18 Mar 2015 22:19:24 +0100 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756812AbbCRVTS (ORCPT ); Wed, 18 Mar 2015 17:19:18 -0400 Received: from p3plsmtpa11-07.prod.phx3.secureserver.net ([68.178.252.108]:52307 "EHLO p3plsmtpa11-07.prod.phx3.secureserver.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756801AbbCRVTP (ORCPT ); Wed, 18 Mar 2015 17:19:15 -0400 X-Greylist: delayed 429 seconds by postgrey-1.27 at vger.kernel.org; Wed, 18 Mar 2015 17:19:12 EDT Received: from wheezy.local ([82.181.81.240]) by p3plsmtpa11-07.prod.phx3.secureserver.net with id 59Bw1q00T5B68XE019C5Tn; Wed, 18 Mar 2015 14:12:07 -0700 X-Mailer: git-send-email 2.1.1.391.g7a54a76 In-Reply-To: <1426713052-19171-1-git-send-email-max@max630.net> Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Archived-At: This allows making submodules a linked workdirs. Same as for .git, but ignores the GIT_COMMON_DIR environment variable, because it would mean common directory for the parent repository and does not make sense for submodule. Also add test for functionality which uses this call. Signed-off-by: Max Kirillov --- cache.h | 1 + path.c | 24 ++++++++++++++++++++---- setup.c | 17 ++++++++++++----- t/t7410-submodule-checkout-to.sh | 10 ++++++++++ 4 files changed, 43 insertions(+), 9 deletions(-) diff --git a/cache.h b/cache.h index 670e861..4cd03f0 100644 --- a/cache.h +++ b/cache.h @@ -437,6 +437,7 @@ extern char *get_object_directory(void); extern char *get_index_file(void); extern char *get_graft_file(void); extern int set_git_dir(const char *path); +extern int get_common_dir_noenv(struct strbuf *sb, const char *gitdir); extern int get_common_dir(struct strbuf *sb, const char *gitdir); extern const char *get_git_namespace(void); extern const char *strip_namespace(const char *namespaced_ref); diff --git a/path.c b/path.c index a5c51a3..78f718f 100644 --- a/path.c +++ b/path.c @@ -98,7 +98,7 @@ static const char *common_list[] = { NULL }; -static void update_common_dir(struct strbuf *buf, int git_dir_len) +static void update_common_dir(struct strbuf *buf, int git_dir_len, const char* common_dir) { char *base = buf->buf + git_dir_len; const char **p; @@ -115,12 +115,17 @@ static void update_common_dir(struct strbuf *buf, int git_dir_len) path++; is_dir = 1; } + + if (!common_dir) { + common_dir = get_git_common_dir(); + } + if (is_dir && dir_prefix(base, path)) { - replace_dir(buf, git_dir_len, get_git_common_dir()); + replace_dir(buf, git_dir_len, common_dir); return; } if (!is_dir && !strcmp(base, path)) { - replace_dir(buf, git_dir_len, get_git_common_dir()); + replace_dir(buf, git_dir_len, common_dir); return; } } @@ -160,7 +165,7 @@ static void adjust_git_path(struct strbuf *buf, int git_dir_len) else if (git_db_env && dir_prefix(base, "objects")) replace_dir(buf, git_dir_len + 7, get_object_directory()); else if (git_common_dir_env) - update_common_dir(buf, git_dir_len); + update_common_dir(buf, git_dir_len, NULL); } static void do_git_path(struct strbuf *buf, const char *fmt, va_list args) @@ -256,6 +261,8 @@ const char *git_path_submodule(const char *path, const char *fmt, ...) { struct strbuf *buf = get_pathname(); const char *git_dir; + struct strbuf git_submodule_common_dir = STRBUF_INIT; + struct strbuf git_submodule_dir = STRBUF_INIT; va_list args; strbuf_addstr(buf, path); @@ -269,11 +276,20 @@ const char *git_path_submodule(const char *path, const char *fmt, ...) strbuf_addstr(buf, git_dir); } strbuf_addch(buf, '/'); + strbuf_addstr(&git_submodule_dir, buf->buf); va_start(args, fmt); strbuf_vaddf(buf, fmt, args); va_end(args); + + if (get_common_dir_noenv(&git_submodule_common_dir, git_submodule_dir.buf)) { + update_common_dir(buf, git_submodule_dir.len, git_submodule_common_dir.buf); + } + strbuf_cleanup_path(buf); + + strbuf_release(&git_submodule_dir); + strbuf_release(&git_submodule_common_dir); return buf->buf; } diff --git a/setup.c b/setup.c index fb61860..ffda622 100644 --- a/setup.c +++ b/setup.c @@ -226,14 +226,21 @@ void verify_non_filename(const char *prefix, const char *arg) int get_common_dir(struct strbuf *sb, const char *gitdir) { + const char *git_env_common_dir = getenv(GIT_COMMON_DIR_ENVIRONMENT); + if (git_env_common_dir) { + strbuf_addstr(sb, git_env_common_dir); + return 1; + } else { + return get_common_dir_noenv(sb, gitdir); + } +} + +int get_common_dir_noenv(struct strbuf *sb, const char *gitdir) +{ struct strbuf data = STRBUF_INIT; struct strbuf path = STRBUF_INIT; - const char *git_common_dir = getenv(GIT_COMMON_DIR_ENVIRONMENT); int ret = 0; - if (git_common_dir) { - strbuf_addstr(sb, git_common_dir); - return 1; - } + strbuf_addf(&path, "%s/commondir", gitdir); if (file_exists(path.buf)) { if (strbuf_read_file(&data, path.buf, 0) <= 0) diff --git a/t/t7410-submodule-checkout-to.sh b/t/t7410-submodule-checkout-to.sh index 8f30aed..b43391a 100755 --- a/t/t7410-submodule-checkout-to.sh +++ b/t/t7410-submodule-checkout-to.sh @@ -47,4 +47,14 @@ test_expect_success 'checkout main and initialize independed clones' \ test_expect_success 'can see submodule diffs after independed cloning' \ '(cd fully_cloned_submodule/main && git diff --submodule master"^!" | grep "file1 updated")' +test_expect_success 'checkout sub manually' \ + 'mkdir linked_submodule && + (cd clone/main && + git checkout --to "$base_path/linked_submodule/main" "$rev1_hash_main") && + (cd clone/main/sub && + git checkout --to "$base_path/linked_submodule/main/sub" "$rev1_hash_sub")' + +test_expect_success 'can see submodule diffs after manual checkout of linked submodule' \ + '(cd linked_submodule/main && git diff --submodule master"^!" | grep "file1 updated")' + test_done -- 2.1.1.391.g7a54a76