$ git clone -n https://src.fedoraproject.org/rpms/skrooge.git /var/lib/mock/f41-build-side-1-2907821-34729/root/chroot_tmpdir/scmroot/skrooge
Cloning into '/var/lib/mock/f41-build-side-1-2907821-34729/root/chroot_tmpdir/scmroot/skrooge'...
$ git fetch origin a63c78bfb45df5fd45dda697738b4552fc52fff5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/skrooge
 * [new ref]         a63c78bfb45df5fd45dda697738b4552fc52fff5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a63c78b convert GPLv2+ license to SPDX