$ git clone -n https://src.fedoraproject.org/rpms/kollision.git /var/lib/mock/f39-build-1654766-40532/root/chroot_tmpdir/scmroot/kollision
Cloning into '/var/lib/mock/f39-build-1654766-40532/root/chroot_tmpdir/scmroot/kollision'...
$ git fetch origin 8fd3f1fad1b1a8f5d271782354b8ddf94014a9dc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kollision
 * [new ref]         8fd3f1fad1b1a8f5d271782354b8ddf94014a9dc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8fd3f1f 23.08.2