$ git clone -n https://src.fedoraproject.org/rpms/perl-enum.git /var/lib/mock/f45-build-27633-625/root/chroot_tmpdir/scmroot/perl-enum
Cloning into '/var/lib/mock/f45-build-27633-625/root/chroot_tmpdir/scmroot/perl-enum'...
$ git fetch origin 79869fde03fdeee45771cc2c949adbab3ddc7c77:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-enum
 * [new ref]         79869fde03fdeee45771cc2c949adbab3ddc7c77 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 79869fd Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild