$ git clone -n https://src.fedoraproject.org/rpms/tclx.git /var/lib/mock/f42-build-3402229-45132/root/chroot_tmpdir/scmroot/tclx
Cloning into '/var/lib/mock/f42-build-3402229-45132/root/chroot_tmpdir/scmroot/tclx'...
$ git fetch origin fab1395ce385e103518684e6a973ccdb942e31ec:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/tclx
 * [new ref]         fab1395ce385e103518684e6a973ccdb942e31ec -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fab1395 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild