$ git clone -n https://src.fedoraproject.org/rpms/perl-HTML-Mason.git /var/lib/mock/f39-build-1553495-36989/root/chroot_tmpdir/scmroot/perl-HTML-Mason
Cloning into '/var/lib/mock/f39-build-1553495-36989/root/chroot_tmpdir/scmroot/perl-HTML-Mason'...
$ git fetch origin 56fa6a03360c9868b6594f533c36aa439a86cbf2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-HTML-Mason
 * [new ref]         56fa6a03360c9868b6594f533c36aa439a86cbf2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 56fa6a0 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild