$ git clone -n https://src.fedoraproject.org/rpms/swift-lang.git /var/lib/mock/f33-build-240769-50700/root/chroot_tmpdir/scmroot/swift-lang
Cloning into '/var/lib/mock/f33-build-240769-50700/root/chroot_tmpdir/scmroot/swift-lang'...
$ git reset --hard 0c4e5ed2dc26c22136146ee2c7b54a5eda74b16a
HEAD is now at 0c4e5ed Rebuilt for Python 3.9