From abc06822af57347d35c0cd64b67e1faeb5b65c71 Mon Sep 17 00:00:00 2001 From: Fredrik Gustafsson Date: Mon, 15 Aug 2011 23:17:46 +0200 Subject: [PATCH 1/2] rev-parse: add option --resolve-git-dir Check if is a valid git-dir or a valid git-file that points to a valid git-dir. We want tests to be independent from the fact that a git-dir may be a git-file. Thus we changed tests to use this feature. Signed-off-by: Fredrik Gustafsson Mentored-by: Jens Lehmann Mentored-by: Heiko Voigt Signed-off-by: Junio C Hamano --- Documentation/git-rev-parse.txt | 4 ++ builtin/rev-parse.c | 8 +++ cache.h | 1 + setup.c | 7 +++ t/t7400-submodule-basic.sh | 4 +- t/t7403-submodule-sync.sh | 5 +- t/t7407-submodule-foreach.sh | 103 ++++++++++++++++---------------- 7 files changed, 78 insertions(+), 54 deletions(-) diff --git a/Documentation/git-rev-parse.txt b/Documentation/git-rev-parse.txt index 42c9676eaa..8023dc086d 100644 --- a/Documentation/git-rev-parse.txt +++ b/Documentation/git-rev-parse.txt @@ -180,6 +180,10 @@ print a message to stderr and exit with nonzero status. ...:: Flags and parameters to be parsed. +--resolve-git-dir :: + Check if is a valid git-dir or a git-file pointing to a valid + git-dir. If is a valid git-dir the resolved path to git-dir will + be printed. include::revisions.txt[] diff --git a/builtin/rev-parse.c b/builtin/rev-parse.c index 4c19f844a9..98d1cbecca 100644 --- a/builtin/rev-parse.c +++ b/builtin/rev-parse.c @@ -468,6 +468,14 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix) return 0; } + if (argc > 2 && !strcmp(argv[1], "--resolve-git-dir")) { + const char *gitdir = resolve_gitdir(argv[2]); + if (!gitdir) + die("not a gitdir '%s'", argv[2]); + puts(gitdir); + return 0; + } + if (argc > 1 && !strcmp("-h", argv[1])) usage(builtin_rev_parse_usage); diff --git a/cache.h b/cache.h index f49eaf9263..55ae6976b6 100644 --- a/cache.h +++ b/cache.h @@ -436,6 +436,7 @@ extern char *get_graft_file(void); extern int set_git_dir(const char *path); extern const char *get_git_work_tree(void); extern const char *read_gitfile_gently(const char *path); +extern const char *resolve_gitdir(const char *suspect); extern void set_git_work_tree(const char *tree); #define ALTERNATE_DB_ENVIRONMENT "GIT_ALTERNATE_OBJECT_DIRECTORIES" diff --git a/setup.c b/setup.c index 5ea5502e48..efad002ed2 100644 --- a/setup.c +++ b/setup.c @@ -808,3 +808,10 @@ const char *setup_git_directory(void) { return setup_git_directory_gently(NULL); } + +const char *resolve_gitdir(const char *suspect) +{ + if (is_git_directory(suspect)) + return suspect; + return read_gitfile_gently(suspect); +} diff --git a/t/t7400-submodule-basic.sh b/t/t7400-submodule-basic.sh index 14dc92723c..270a7d5b81 100755 --- a/t/t7400-submodule-basic.sh +++ b/t/t7400-submodule-basic.sh @@ -360,10 +360,10 @@ test_expect_success 'update --init' ' git submodule update init > update.out && cat update.out && test_i18ngrep "not initialized" update.out && - ! test -d init/.git && + test_must_fail git rev-parse --resolve-git-dir init/.git && git submodule update --init init && - test -d init/.git + git rev-parse --resolve-git-dir init/.git ' test_expect_success 'do not add files from a submodule' ' diff --git a/t/t7403-submodule-sync.sh b/t/t7403-submodule-sync.sh index 95ffe349a7..3620215c1f 100755 --- a/t/t7403-submodule-sync.sh +++ b/t/t7403-submodule-sync.sh @@ -56,8 +56,9 @@ test_expect_success '"git submodule sync" should update submodule URLs' ' git pull --no-recurse-submodules && git submodule sync ) && - test -d "$(git config -f super-clone/submodule/.git/config \ - remote.origin.url)" && + test -d "$(cd super-clone/submodule && + git config remote.origin.url + )" && (cd super-clone/submodule && git checkout master && git pull diff --git a/t/t7407-submodule-foreach.sh b/t/t7407-submodule-foreach.sh index be745fb23f..9b69fe2e14 100755 --- a/t/t7407-submodule-foreach.sh +++ b/t/t7407-submodule-foreach.sh @@ -118,19 +118,19 @@ test_expect_success 'use "submodule foreach" to checkout 2nd level submodule' ' git clone super clone2 && ( cd clone2 && - test ! -d sub1/.git && - test ! -d sub2/.git && - test ! -d sub3/.git && - test ! -d nested1/.git && + test_must_fail git rev-parse --resolve-git-dir sub1/.git && + test_must_fail git rev-parse --resolve-git-dir sub2/.git && + test_must_fail git rev-parse --resolve-git-dir sub3/.git && + test_must_fail git rev-parse --resolve-git-dir nested1/.git && git submodule update --init && - test -d sub1/.git && - test -d sub2/.git && - test -d sub3/.git && - test -d nested1/.git && - test ! -d nested1/nested2/.git && + git rev-parse --resolve-git-dir sub1/.git && + git rev-parse --resolve-git-dir sub2/.git && + git rev-parse --resolve-git-dir sub3/.git && + git rev-parse --resolve-git-dir nested1/.git && + test_must_fail git rev-parse --resolve-git-dir nested1/nested2/.git && git submodule foreach "git submodule update --init" && - test -d nested1/nested2/.git && - test ! -d nested1/nested2/nested3/.git + git rev-parse --resolve-git-dir nested1/nested1/nested2/.git + test_must_fail git rev-parse --resolve-git-dir nested1/nested2/nested3/.git ) ' @@ -138,8 +138,8 @@ test_expect_success 'use "foreach --recursive" to checkout all submodules' ' ( cd clone2 && git submodule foreach --recursive "git submodule update --init" && - test -d nested1/nested2/nested3/.git && - test -d nested1/nested2/nested3/submodule/.git + git rev-parse --resolve-git-dir nested1/nested2/nested3/.git && + git rev-parse --resolve-git-dir nested1/nested2/nested3/submodule/.git ) ' @@ -183,18 +183,18 @@ test_expect_success 'use "update --recursive" to checkout all submodules' ' git clone super clone3 && ( cd clone3 && - test ! -d sub1/.git && - test ! -d sub2/.git && - test ! -d sub3/.git && - test ! -d nested1/.git && + test_must_fail git rev-parse --resolve-git-dir sub1/.git && + test_must_fail git rev-parse --resolve-git-dir sub2/.git && + test_must_fail git rev-parse --resolve-git-dir sub3/.git && + test_must_fail git rev-parse --resolve-git-dir nested1/.git && git submodule update --init --recursive && - test -d sub1/.git && - test -d sub2/.git && - test -d sub3/.git && - test -d nested1/.git && - test -d nested1/nested2/.git && - test -d nested1/nested2/nested3/.git && - test -d nested1/nested2/nested3/submodule/.git + git rev-parse --resolve-git-dir sub1/.git && + git rev-parse --resolve-git-dir sub2/.git && + git rev-parse --resolve-git-dir sub3/.git && + git rev-parse --resolve-git-dir nested1/.git && + git rev-parse --resolve-git-dir nested1/nested2/.git && + git rev-parse --resolve-git-dir nested1/nested2/nested3/.git && + git rev-parse --resolve-git-dir nested1/nested2/nested3/submodule/.git ) ' @@ -247,14 +247,17 @@ test_expect_success 'ensure "status --cached --recursive" preserves the --cached test_expect_success 'use "git clone --recursive" to checkout all submodules' ' git clone --recursive super clone4 && - test -d clone4/.git && - test -d clone4/sub1/.git && - test -d clone4/sub2/.git && - test -d clone4/sub3/.git && - test -d clone4/nested1/.git && - test -d clone4/nested1/nested2/.git && - test -d clone4/nested1/nested2/nested3/.git && - test -d clone4/nested1/nested2/nested3/submodule/.git + ( + cd clone4 && + git rev-parse --resolve-git-dir .git && + git rev-parse --resolve-git-dir sub1/.git && + git rev-parse --resolve-git-dir sub2/.git && + git rev-parse --resolve-git-dir sub3/.git && + git rev-parse --resolve-git-dir nested1/.git && + git rev-parse --resolve-git-dir nested1/nested2/.git && + git rev-parse --resolve-git-dir nested1/nested2/nested3/.git && + git rev-parse --resolve-git-dir nested1/nested2/nested3/submodule/.git + ) ' test_expect_success 'test "update --recursive" with a flag with spaces' ' @@ -262,14 +265,14 @@ test_expect_success 'test "update --recursive" with a flag with spaces' ' git clone super clone5 && ( cd clone5 && - test ! -d nested1/.git && + test_must_fail git rev-parse --resolve-git-dir d nested1/.git && git submodule update --init --recursive --reference="$(dirname "$PWD")/common objects" && - test -d nested1/.git && - test -d nested1/nested2/.git && - test -d nested1/nested2/nested3/.git && - test -f nested1/.git/objects/info/alternates && - test -f nested1/nested2/.git/objects/info/alternates && - test -f nested1/nested2/nested3/.git/objects/info/alternates + git rev-parse --resolve-git-dir nested1/.git && + git rev-parse --resolve-git-dir nested1/nested2/.git && + git rev-parse --resolve-git-dir nested1/nested2/nested3/.git && + test -f .git/modules/nested1/objects/info/alternates && + test -f .git/modules/nested1/modules/nested2/objects/info/alternates && + test -f .git/modules/nested1/modules/nested2/modules/nested3/objects/info/alternates ) ' @@ -277,18 +280,18 @@ test_expect_success 'use "update --recursive nested1" to checkout all submodules git clone super clone6 && ( cd clone6 && - test ! -d sub1/.git && - test ! -d sub2/.git && - test ! -d sub3/.git && - test ! -d nested1/.git && + test_must_fail git rev-parse --resolve-git-dir sub1/.git && + test_must_fail git rev-parse --resolve-git-dir sub2/.git && + test_must_fail git rev-parse --resolve-git-dir sub3/.git && + test_must_fail git rev-parse --resolve-git-dir nested1/.git && git submodule update --init --recursive -- nested1 && - test ! -d sub1/.git && - test ! -d sub2/.git && - test ! -d sub3/.git && - test -d nested1/.git && - test -d nested1/nested2/.git && - test -d nested1/nested2/nested3/.git && - test -d nested1/nested2/nested3/submodule/.git + test_must_fail git rev-parse --resolve-git-dir sub1/.git && + test_must_fail git rev-parse --resolve-git-dir sub2/.git && + test_must_fail git rev-parse --resolve-git-dir sub3/.git && + git rev-parse --resolve-git-dir nested1/.git && + git rev-parse --resolve-git-dir nested1/nested2/.git && + git rev-parse --resolve-git-dir nested1/nested2/nested3/.git && + git rev-parse --resolve-git-dir nested1/nested2/nested3/submodule/.git ) ' From 501770e1bb5d132ae4f79aa96715f07f6b84e1f6 Mon Sep 17 00:00:00 2001 From: Fredrik Gustafsson Date: Mon, 15 Aug 2011 23:17:47 +0200 Subject: [PATCH 2/2] Move git-dir for submodules Move git-dir for submodules into $GIT_DIR/modules/[name_of_submodule] of the superproject. This is a step towards being able to delete submodule directories without loosing the information from their .git directory as that is now stored outside the submodules work tree. This is done relying on the already existent .git-file functionality. When adding or updating a submodule whose git directory is found under $GIT_DIR/modules/[name_of_submodule], don't clone it again but simply point the .git-file to it and remove the now stale index file from it. The index will be recreated by the following checkout. This patch will not affect already cloned submodules at all. Tests that rely on .git being a directory have been fixed. Signed-off-by: Fredrik Gustafsson Mentored-by: Jens Lehmann Mentored-by: Heiko Voigt Signed-off-by: Junio C Hamano --- git-submodule.sh | 45 ++++++++++++-- t/t7406-submodule-update.sh | 107 +++++++++++++++++++++++++++++++++ t/t7408-submodule-reference.sh | 4 +- 3 files changed, 149 insertions(+), 7 deletions(-) diff --git a/git-submodule.sh b/git-submodule.sh index bc1d3fa663..7576d14769 100755 --- a/git-submodule.sh +++ b/git-submodule.sh @@ -122,14 +122,49 @@ module_clone() path=$1 url=$2 reference="$3" + gitdir= + gitdir_base= + name=$(module_name "$path") + base_path=$(dirname "$path") - if test -n "$reference" + gitdir=$(git rev-parse --git-dir) + gitdir_base="$gitdir/modules/$base_path" + gitdir="$gitdir/modules/$path" + + case $gitdir in + /*) + a="$(cd_to_toplevel && pwd)/" + b=$gitdir + while [ "$b" ] && [ "${a%%/*}" = "${b%%/*}" ] + do + a=${a#*/} b=${b#*/}; + done + + rel="$a$name" + rel=`echo $rel | sed -e 's|[^/]*|..|g'` + rel_gitdir="$rel/$b" + ;; + *) + rel=`echo $name | sed -e 's|[^/]*|..|g'` + rel_gitdir="$rel/$gitdir" + ;; + esac + + if test -d "$gitdir" then - git-clone "$reference" -n "$url" "$path" + mkdir -p "$path" + echo "gitdir: $rel_gitdir" >"$path/.git" + rm -f "$gitdir/index" else - git-clone -n "$url" "$path" - fi || - die "$(eval_gettext "Clone of '\$url' into submodule path '\$path' failed")" + mkdir -p "$gitdir_base" + if test -n "$reference" + then + git-clone "$reference" -n "$url" "$path" --separate-git-dir "$gitdir" + else + git-clone -n "$url" "$path" --separate-git-dir "$gitdir" + fi || + die "$(eval_gettext "Clone of '\$url' into submodule path '\$path' failed")" + fi } # diff --git a/t/t7406-submodule-update.sh b/t/t7406-submodule-update.sh index c679f36a4d..1ae6b4e936 100755 --- a/t/t7406-submodule-update.sh +++ b/t/t7406-submodule-update.sh @@ -408,6 +408,7 @@ test_expect_success 'submodule update exit immediately in case of merge conflict test_cmp expect actual ) ' + test_expect_success 'submodule update exit immediately after recursive rebase error' ' (cd super && git checkout master && @@ -442,4 +443,110 @@ test_expect_success 'submodule update exit immediately after recursive rebase er test_cmp expect actual ) ' + +test_expect_success 'add different submodules to the same path' ' + (cd super && + git submodule add ../submodule s1 && + test_must_fail git submodule add ../merging s1 + ) +' + +test_expect_success 'submodule add places git-dir in superprojects git-dir' ' + (cd super && + mkdir deeper && + git submodule add ../submodule deeper/submodule && + (cd deeper/submodule && + git log > ../../expected + ) && + (cd .git/modules/deeper/submodule && + git log > ../../../../actual + ) && + test_cmp actual expected + ) +' + +test_expect_success 'submodule update places git-dir in superprojects git-dir' ' + (cd super && + git commit -m "added submodule" + ) && + git clone super super2 && + (cd super2 && + git submodule init deeper/submodule && + git submodule update && + (cd deeper/submodule && + git log > ../../expected + ) && + (cd .git/modules/deeper/submodule && + git log > ../../../../actual + ) && + test_cmp actual expected + ) +' + +test_expect_success 'submodule add places git-dir in superprojects git-dir recursive' ' + (cd super2 && + (cd deeper/submodule && + git submodule add ../submodule subsubmodule && + (cd subsubmodule && + git log > ../../../expected + ) && + git commit -m "added subsubmodule" && + git push + ) && + (cd .git/modules/deeper/submodule/modules/subsubmodule && + git log > ../../../../../actual + ) && + git add deeper/submodule && + git commit -m "update submodule" && + git push && + test_cmp actual expected + ) +' + +test_expect_success 'submodule update places git-dir in superprojects git-dir recursive' ' + mkdir super_update_r && + (cd super_update_r && + git init --bare + ) && + mkdir subsuper_update_r && + (cd subsuper_update_r && + git init --bare + ) && + mkdir subsubsuper_update_r && + (cd subsubsuper_update_r && + git init --bare + ) && + git clone subsubsuper_update_r subsubsuper_update_r2 && + (cd subsubsuper_update_r2 && + test_commit "update_subsubsuper" file && + git push origin master + ) && + git clone subsuper_update_r subsuper_update_r2 && + (cd subsuper_update_r2 && + test_commit "update_subsuper" file && + git submodule add ../subsubsuper_update_r subsubmodule && + git commit -am "subsubmodule" && + git push origin master + ) && + git clone super_update_r super_update_r2 && + (cd super_update_r2 && + test_commit "update_super" file && + git submodule add ../subsuper_update_r submodule && + git commit -am "submodule" && + git push origin master + ) && + rm -rf super_update_r2 && + git clone super_update_r super_update_r2 && + (cd super_update_r2 && + git submodule update --init --recursive && + (cd submodule/subsubmodule && + git log > ../../expected + ) && + (cd .git/modules/submodule/modules/subsubmodule + git log > ../../../../../actual + ) + test_cmp actual expected + ) +' + test_done diff --git a/t/t7408-submodule-reference.sh b/t/t7408-submodule-reference.sh index cc16d3f05d..ab37c368d0 100755 --- a/t/t7408-submodule-reference.sh +++ b/t/t7408-submodule-reference.sh @@ -43,7 +43,7 @@ git commit -m B-super-added' cd "$base_dir" test_expect_success 'after add: existence of info/alternates' \ -'test `wc -l