$ git clone -n https://src.fedoraproject.org/rpms/python-setuptools-git-versioning.git /var/lib/mock/f42-build-side-1-3499405-45964/root/chroot_tmpdir/scmroot/python-setuptools-git-versioning
Cloning into '/var/lib/mock/f42-build-side-1-3499405-45964/root/chroot_tmpdir/scmroot/python-setuptools-git-versioning'...
$ git fetch origin 44b2bc989bff2373605eea32603b5f38951c31b0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-setuptools-git-versioning
 * [new ref]         44b2bc989bff2373605eea32603b5f38951c31b0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 44b2bc9 Update to 2.1.0 upstream release