$ git clone -n https://src.fedoraproject.org/rpms/ktechlab.git /var/lib/mock/f38-build-side-42-init-devel-789897-27990/root/chroot_tmpdir/scmroot/ktechlab
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-789897-27990/root/chroot_tmpdir/scmroot/ktechlab'...
$ git fetch origin d4fbee5a976ebc3fc319fd046fa6a428251cb4e0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ktechlab
 * [new ref]         d4fbee5a976ebc3fc319fd046fa6a428251cb4e0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d4fbee5 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild