$ git clone -n https://src.fedoraproject.org/rpms/perl-Hash-AutoHash.git /var/lib/mock/f45-build-24078-601/root/chroot_tmpdir/scmroot/perl-Hash-AutoHash
Cloning into '/var/lib/mock/f45-build-24078-601/root/chroot_tmpdir/scmroot/perl-Hash-AutoHash'...
$ git fetch origin 22bc5eed79715aaba1615246cfa53d8bf5d7959f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Hash-AutoHash
 * [new ref]         22bc5eed79715aaba1615246cfa53d8bf5d7959f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 22bc5ee Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild