$ git clone -n https://src.fedoraproject.org/rpms/mpark-patterns.git /var/lib/mock/f38-build-side-42-init-devel-1407746-31352/root/chroot_tmpdir/scmroot/mpark-patterns
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1407746-31352/root/chroot_tmpdir/scmroot/mpark-patterns'...
$ git fetch origin 05ce548fb80324ba3a5d5c2a3aefc9294e2443fb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mpark-patterns
 * [new ref]         05ce548fb80324ba3a5d5c2a3aefc9294e2443fb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 05ce548 import #2243792