$ git clone -n https://src.fedoraproject.org/rpms/angelfish.git /var/lib/mock/f41-build-710642-13019/root/chroot_tmpdir/scmroot/angelfish
Cloning into '/var/lib/mock/f41-build-710642-13019/root/chroot_tmpdir/scmroot/angelfish'...
$ git fetch origin c4c72980b823b98a34bbb1d9630b91b24c183781:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/angelfish
 * [new ref]         c4c72980b823b98a34bbb1d9630b91b24c183781 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c4c7298 Respin tarball with stable release