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

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

1 files changed, 46 insertions, 0 deletions

diff --git a/third_party/git/t/t2300-cd-to-toplevel.sh b/third_party/git/t/t2300-cd-to-toplevel.sh
new file mode 100755
index 000000000000..c8de6d8a1902
--- /dev/null
+++ b/third_party/git/t/t2300-cd-to-toplevel.sh
@@ -0,0 +1,46 @@
+#!/bin/sh
+
+test_description='cd_to_toplevel'
+
+. ./test-lib.sh
+
+EXEC_PATH="$(git --exec-path)"
+test_have_prereq !MINGW ||
+case "$EXEC_PATH" in
+[A-Za-z]:/*)
+	EXEC_PATH="/${EXEC_PATH%%:*}${EXEC_PATH#?:}"
+	;;
+esac
+
+test_cd_to_toplevel () {
+	test_expect_success $3 "$2" '
+		(
+			cd '"'$1'"' &&
+			PATH="$EXEC_PATH:$PATH" &&
+			. git-sh-setup &&
+			cd_to_toplevel &&
+			[ "$(pwd -P)" = "$TOPLEVEL" ]
+		)
+	'
+}
+
+TOPLEVEL="$(pwd -P)/repo"
+mkdir -p repo/sub/dir
+mv .git repo/
+SUBDIRECTORY_OK=1
+
+test_cd_to_toplevel repo 'at physical root'
+
+test_cd_to_toplevel repo/sub/dir 'at physical subdir'
+
+ln -s repo symrepo 2>/dev/null
+test_cd_to_toplevel symrepo 'at symbolic root' SYMLINKS
+
+ln -s repo/sub/dir subdir-link 2>/dev/null
+test_cd_to_toplevel subdir-link 'at symbolic subdir' SYMLINKS
+
+cd repo
+ln -s sub/dir internal-link 2>/dev/null
+test_cd_to_toplevel internal-link 'at internal symbolic subdir' SYMLINKS
+
+test_done