#!/usr/bin/env bash
set -eu -o pipefail

set -x
git init
touch empty && git add empty
git commit -m upstream
git clone . super 
git clone super multiple
(cd multiple
  git submodule add ../multiple submodule
  git submodule add ../multiple a/b
  # These deliberately unusual names and paths exercise .gitmodules parsing.
  # Add them as configuration only, as names ending in a backslash cannot be
  # represented in the module directory hierarchy on Windows.
  cat >>.gitmodules <<'EOF'
[submodule ".a/..c"]
	path = a\\c
	url = ../multiple
[submodule "a/d\\"]
	path = a/d\\
	url = ../multiple
[submodule "a\\e"]
	path = a/e
	url = ../multiple
EOF
  git add .gitmodules
  git commit -m "subsubmodule-a"
)

(cd super
  git submodule add ../multiple submodule
  git commit -m "submodule"
) 
git clone super super-clone 
(cd super-clone
  git submodule update --init --recursive
) 
git clone super empty-clone 
(cd empty-clone
  git submodule init
) 
git clone super top-only-clone 
git clone super relative-clone 
(cd relative-clone
  git submodule update --init --recursive
) 
git clone super recursive-clone 
(cd recursive-clone
  git submodule update --init --recursive
)

git clone super not-a-submodule
(cd not-a-submodule
  cp .gitmodules modules.bak
  git rm submodule
  echo fake > submodule
  mv modules.bak .gitmodules
  git add submodule && git commit -m "no submodule in index and commit, but in configuration"
)