Use separate cache dir for test isolation

[pinch] / tests / lib / test-setup.sh

set -e

cache_dir=$(mktemp -d)
export XDG_CACHE_HOME=$cache_dir

foo_setup() {

  repo_dir="`mktemp -d`"
  repo="$repo_dir/repo"
  git init "$repo"
  (
    cd "$repo"
    echo Contents > test-file
    git add test-file
    git commit -m 'Commit message'
  )

  conf="`mktemp`"
  cat > "$conf" <<EOF
[foo]
git_repo = file://$repo
git_ref = master
EOF

}

test_cleanup() {
  if [ "$repo_dir"  ];then rm -rf "$repo_dir";  fi
  if [ "$conf"      ];then rm     "$conf";      fi
  if [ "$cache_dir" ];then rm -rf "$cache_dir"; fi
}

trap test_cleanup EXIT INT TERM