$ git clone -n https://src.fedoraproject.org/rpms/golang-github-gorilla-websocket.git /var/lib/mock/f45-build-12005-437/root/chroot_tmpdir/scmroot/golang-github-gorilla-websocket
Cloning into '/var/lib/mock/f45-build-12005-437/root/chroot_tmpdir/scmroot/golang-github-gorilla-websocket'...
$ git fetch origin 6c6d98fe57c4c0f9fc52b8522c82e3d54cd6eeaf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-gorilla-websocket
 * [new ref]         6c6d98fe57c4c0f9fc52b8522c82e3d54cd6eeaf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6c6d98f Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild