$ git clone -n https://src.fedoraproject.org/rpms/algol68g.git /var/lib/mock/f41-build-side-1-2908118-34731/root/chroot_tmpdir/scmroot/algol68g
Cloning into '/var/lib/mock/f41-build-side-1-2908118-34731/root/chroot_tmpdir/scmroot/algol68g'...
$ git fetch origin f883ba3505b175d940584c0498a29009687cd8cc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/algol68g
 * [new ref]         f883ba3505b175d940584c0498a29009687cd8cc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f883ba3 convert GPLv3+ license to SPDX