$ git clone -n https://src.fedoraproject.org/rpms/perl-Starlet.git /var/lib/mock/f39-build-2136912-50820/root/chroot_tmpdir/scmroot/perl-Starlet
Cloning into '/var/lib/mock/f39-build-2136912-50820/root/chroot_tmpdir/scmroot/perl-Starlet'...
$ git fetch origin e12d0068f3f3feab34d9378e39045137aabb3bc6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Starlet
 * [new ref]         e12d0068f3f3feab34d9378e39045137aabb3bc6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e12d006 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild