$ git clone -n https://src.fedoraproject.org/rpms/golang-github-bugsnag-panicwrap.git /var/lib/mock/f40-build-2578934-62333/root/chroot_tmpdir/scmroot/golang-github-bugsnag-panicwrap
Cloning into '/var/lib/mock/f40-build-2578934-62333/root/chroot_tmpdir/scmroot/golang-github-bugsnag-panicwrap'...
$ git fetch origin e1184aa85a2e497efe41d818a3d6a41406f8e8a4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-bugsnag-panicwrap
 * [new ref]         e1184aa85a2e497efe41d818a3d6a41406f8e8a4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e1184aa Update patches