$ git clone -n https://src.fedoraproject.org/rpms/catch22.git /var/lib/mock/f38-build-side-42-init-devel-1423847-31471/root/chroot_tmpdir/scmroot/catch22
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1423847-31471/root/chroot_tmpdir/scmroot/catch22'...
$ git fetch origin 391fc442280254b2ff19c6f534e9d6ffd8d194b8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/catch22
 * [new ref]         391fc442280254b2ff19c6f534e9d6ffd8d194b8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 391fc44 Update License to GPL-3.0-or-later based on upstream clarification