$ git clone -n https://src.fedoraproject.org/rpms/ansible-collection-community-docker.git /var/lib/mock/f40-build-2273778-54986/root/chroot_tmpdir/scmroot/ansible-collection-community-docker
Cloning into '/var/lib/mock/f40-build-2273778-54986/root/chroot_tmpdir/scmroot/ansible-collection-community-docker'...
$ git fetch origin b2e70df4942b2c59448364dd5e0b2914b12a25af:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ansible-collection-community-docker
 * [new ref]         b2e70df4942b2c59448364dd5e0b2914b12a25af -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b2e70df Update to 3.5.0.