$ git clone -n https://src.fedoraproject.org/rpms/libscn.git /var/lib/mock/f40-build-2008337-45365/root/chroot_tmpdir/scmroot/libscn
Cloning into '/var/lib/mock/f40-build-2008337-45365/root/chroot_tmpdir/scmroot/libscn'...
$ git fetch origin 90570e803ce11d9886056a38fa7c686641d2c8bd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libscn
 * [new ref]         90570e803ce11d9886056a38fa7c686641d2c8bd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 90570e8 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild