fixup! WIP tests: accommodate for BusyBox-w32

Author: dscho

t/test-lib.sh

@@ -1468,6 +1468,18 @@ GIT_TEMPLATE_DIR="$GIT_TEST_TEMPLATE_DIR"
 GIT_CONFIG_NOSYSTEM=1
 GIT_ATTR_NOSYSTEM=1
 GIT_CEILING_DIRECTORIES="$TRASH_DIRECTORY/.."
+case "$($SHELL --help 2>&1)" in
+*BusyBox*)
+	# Unlike the MSYS2 Bash, BusyBox' ash does not translate
+	# MSYS2-style paths to Windows form when spawning the native
+	# git.exe, so it would be handed unusable "/d/..." paths. Convert
+	# the variables git.exe consumes as paths to a Win32-digestible
+	# form.
+	GIT_EXEC_PATH="$(cygpath -m "$GIT_EXEC_PATH")"
+	GIT_TEMPLATE_DIR="$(cygpath -m "$GIT_TEMPLATE_DIR")"
+	GIT_CEILING_DIRECTORIES="$(cygpath -m "$GIT_CEILING_DIRECTORIES")"
+	;;
+esac
 export PATH GIT_EXEC_PATH GIT_TEMPLATE_DIR GIT_CONFIG_NOSYSTEM GIT_ATTR_NOSYSTEM GIT_CEILING_DIRECTORIES
 
 # Add libc MALLOC and MALLOC_PERTURB test only if we are not executing