$ git clone -n https://src.fedoraproject.org/rpms/kruler.git /var/lib/mock/f40-build-2126203-50780/root/chroot_tmpdir/scmroot/kruler
Cloning into '/var/lib/mock/f40-build-2126203-50780/root/chroot_tmpdir/scmroot/kruler'...
$ git fetch origin fa41d8a075ee89dad60c115d3992abac6ede7450:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kruler
 * [new ref]         fa41d8a075ee89dad60c115d3992abac6ede7450 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fa41d8a 24.01.85