$ git clone -n https://src.fedoraproject.org/rpms/libell.git /var/lib/mock/f42-build-3274707-41317/root/chroot_tmpdir/scmroot/libell
Cloning into '/var/lib/mock/f42-build-3274707-41317/root/chroot_tmpdir/scmroot/libell'...
$ git fetch origin 0d8ce4b0c6f47e307f361c41582168e8df5010c5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libell
 * [new ref]         0d8ce4b0c6f47e307f361c41582168e8df5010c5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0d8ce4b Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild