merge(third_party/git): Merge squashed git subtree at v2.23.0 r/373

Merge commit '1b593e1ea4d2af0f6444d9a7788d5d99abd6fde5' as 'third_party/git'

1 files changed, 164 insertions, 0 deletions

diff --git a/third_party/git/t/t1500-rev-parse.sh b/third_party/git/t/t1500-rev-parse.sh
new file mode 100755
index 000000000000..01abee533ded
--- /dev/null
+++ b/third_party/git/t/t1500-rev-parse.sh
@@ -0,0 +1,164 @@
+#!/bin/sh
+
+test_description='test git rev-parse'
+. ./test-lib.sh
+
+# usage: [options] label is-bare is-inside-git is-inside-work prefix git-dir absolute-git-dir
+test_rev_parse () {
+	d=
+	bare=
+	gitdir=
+	while :
+	do
+		case "$1" in
+		-C) d="$2"; shift; shift ;;
+		-b) case "$2" in
+		    [tfu]*) bare="$2"; shift; shift ;;
+		    *) error "test_rev_parse: bogus core.bare value '$2'" ;;
+		    esac ;;
+		-g) gitdir="$2"; shift; shift ;;
+		-*) error "test_rev_parse: unrecognized option '$1'" ;;
+		*) break ;;
+		esac
+	done
+
+	name=$1
+	shift
+
+	for o in --is-bare-repository \
+		 --is-inside-git-dir \
+		 --is-inside-work-tree \
+		 --show-prefix \
+		 --git-dir \
+		 --absolute-git-dir
+	do
+		test $# -eq 0 && break
+		expect="$1"
+		test_expect_success "$name: $o" '
+			if test -n "$gitdir"
+			then
+				test_when_finished "unset GIT_DIR" &&
+				GIT_DIR="$gitdir" &&
+				export GIT_DIR
+			fi &&
+
+			case "$bare" in
+			t*) test_config ${d:+-C} ${d:+"$d"} core.bare true ;;
+			f*) test_config ${d:+-C} ${d:+"$d"} core.bare false ;;
+			u*) test_unconfig ${d:+-C} ${d:+"$d"} core.bare ;;
+			esac &&
+
+			echo "$expect" >expect &&
+			git ${d:+-C} ${d:+"$d"} rev-parse $o >actual &&
+			test_cmp expect actual
+		'
+		shift
+	done
+}
+
+ROOT=$(pwd)
+
+test_expect_success 'setup' '
+	mkdir -p sub/dir work &&
+	cp -R .git repo.git
+'
+
+test_rev_parse toplevel false false true '' .git "$ROOT/.git"
+
+test_rev_parse -C .git .git/ false true false '' . "$ROOT/.git"
+test_rev_parse -C .git/objects .git/objects/ false true false '' "$ROOT/.git" "$ROOT/.git"
+
+test_rev_parse -C sub/dir subdirectory false false true sub/dir/ "$ROOT/.git" "$ROOT/.git"
+
+test_rev_parse -b t 'core.bare = true' true false false
+
+test_rev_parse -b u 'core.bare undefined' false false true
+
+
+test_rev_parse -C work -g ../.git -b f 'GIT_DIR=../.git, core.bare = false' false false true '' "../.git" "$ROOT/.git"
+
+test_rev_parse -C work -g ../.git -b t 'GIT_DIR=../.git, core.bare = true' true false false ''
+
+test_rev_parse -C work -g ../.git -b u 'GIT_DIR=../.git, core.bare undefined' false false true ''
+
+
+test_rev_parse -C work -g ../repo.git -b f 'GIT_DIR=../repo.git, core.bare = false' false false true '' "../repo.git" "$ROOT/repo.git"
+
+test_rev_parse -C work -g ../repo.git -b t 'GIT_DIR=../repo.git, core.bare = true' true false false ''
+
+test_rev_parse -C work -g ../repo.git -b u 'GIT_DIR=../repo.git, core.bare undefined' false false true ''
+
+test_expect_success 'git-common-dir from worktree root' '
+	echo .git >expect &&
+	git rev-parse --git-common-dir >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'git-common-dir inside sub-dir' '
+	mkdir -p path/to/child &&
+	test_when_finished "rm -rf path" &&
+	echo "$(git -C path/to/child rev-parse --show-cdup).git" >expect &&
+	git -C path/to/child rev-parse --git-common-dir >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'git-path from worktree root' '
+	echo .git/objects >expect &&
+	git rev-parse --git-path objects >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'git-path inside sub-dir' '
+	mkdir -p path/to/child &&
+	test_when_finished "rm -rf path" &&
+	echo "$(git -C path/to/child rev-parse --show-cdup).git/objects" >expect &&
+	git -C path/to/child rev-parse --git-path objects >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'rev-parse --is-shallow-repository in shallow repo' '
+	test_commit test_commit &&
+	echo true >expect &&
+	git clone --depth 1 --no-local . shallow &&
+	test_when_finished "rm -rf shallow" &&
+	git -C shallow rev-parse --is-shallow-repository >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'rev-parse --is-shallow-repository in non-shallow repo' '
+	echo false >expect &&
+	git rev-parse --is-shallow-repository >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'showing the superproject correctly' '
+	git rev-parse --show-superproject-working-tree >out &&
+	test_must_be_empty out &&
+
+	test_create_repo super &&
+	test_commit -C super test_commit &&
+	test_create_repo sub &&
+	test_commit -C sub test_commit &&
+	git -C super submodule add ../sub dir/sub &&
+	echo $(pwd)/super >expect  &&
+	git -C super/dir/sub rev-parse --show-superproject-working-tree >out &&
+	test_cmp expect out &&
+
+	test_commit -C super submodule_add &&
+	git -C super checkout -b branch1 &&
+	git -C super/dir/sub checkout -b branch1 &&
+	test_commit -C super/dir/sub branch1_commit &&
+	git -C super add dir/sub &&
+	test_commit -C super branch1_commit &&
+	git -C super checkout -b branch2 master &&
+	git -C super/dir/sub checkout -b branch2 master &&
+	test_commit -C super/dir/sub branch2_commit &&
+	git -C super add dir/sub &&
+	test_commit -C super branch2_commit &&
+	test_must_fail git -C super merge branch1 &&
+
+	git -C super/dir/sub rev-parse --show-superproject-working-tree >out &&
+	test_cmp expect out
+'
+
+test_done