$ git clone -n https://src.fedoraproject.org/rpms/gt.git /var/lib/mock/f42-build-3364934-45045/root/chroot_tmpdir/scmroot/gt
Cloning into '/var/lib/mock/f42-build-3364934-45045/root/chroot_tmpdir/scmroot/gt'...
$ git fetch origin e6cb800e42113796036a35f410239e1529d4ede1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gt
 * [new ref]         e6cb800e42113796036a35f410239e1529d4ede1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e6cb800 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild