$ git clone -n https://src.fedoraproject.org/rpms/kontrast.git /var/lib/mock/f40-build-2237507-53543/root/chroot_tmpdir/scmroot/kontrast
Cloning into '/var/lib/mock/f40-build-2237507-53543/root/chroot_tmpdir/scmroot/kontrast'...
$ git fetch origin fad5abe9a39b1fd4f702db818d79b030bbed947a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kontrast
 * [new ref]         fad5abe9a39b1fd4f702db818d79b030bbed947a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fad5abe 24.01.90