$ git clone -n https://src.fedoraproject.org/rpms/dmtcp.git /var/lib/mock/f38-build-side-42-init-devel-1116364-30175/root/chroot_tmpdir/scmroot/dmtcp
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1116364-30175/root/chroot_tmpdir/scmroot/dmtcp'...
$ git fetch origin 89edb7fe773a522e24da1d08b19cc8519e5bad96:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dmtcp
 * [new ref]         89edb7fe773a522e24da1d08b19cc8519e5bad96 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 89edb7f Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild