$ git clone -n https://src.fedoraproject.org/rpms/perl-App-a2p.git /var/lib/mock/f39-build-1433449-31874/root/chroot_tmpdir/scmroot/perl-App-a2p
Cloning into '/var/lib/mock/f39-build-1433449-31874/root/chroot_tmpdir/scmroot/perl-App-a2p'...
$ git fetch origin 4479d76afb16d7778f5ebaf536b6666da59a0997:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-App-a2p
 * [new ref]         4479d76afb16d7778f5ebaf536b6666da59a0997 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4479d76 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild