Add tests for `fetch_git`

  assert_output_contains "> http://example.com/packages/package-1.0.0.tar.gz"

  assert_output_contains "error: failed to download package-1.0.0.tar.gz"

}

@test "fetching from git repository" {

  stub git "clone --depth 1 --branch master http://example.com/packages/package.git package-dev : mkdir package-dev"

  run_inline_definition <<DEF

install_git "package-dev" "http://example.com/packages/package.git" master copy

DEF

  assert_success

  assert_output <<OUT

Cloning http://example.com/packages/package.git...

Installing package-dev...

Installed package-dev to ${TMP}/install

OUT

  unstub git

}

@test "updating existing git repository" {

  stub git "fetch --force --update-head-ok http://example.com/packages/package.git +master:master : true"

  run_inline_definition <<DEF

mkdir "\${BUILD_PATH}/package-dev"

install_git "package-dev" "http://example.com/packages/package.git" master copy

DEF

  assert_success

  assert_output <<OUT

Cloning http://example.com/packages/package.git...

Installing package-dev...

Installed package-dev to ${TMP}/install

OUT

  unstub git

}