$ git clone -n https://src.fedoraproject.org/rpms/golang-github-shopify-logrus-bugsnag.git /var/lib/mock/f41-build-1036370-18724/root/chroot_tmpdir/scmroot/golang-github-shopify-logrus-bugsnag
Cloning into '/var/lib/mock/f41-build-1036370-18724/root/chroot_tmpdir/scmroot/golang-github-shopify-logrus-bugsnag'...
$ git fetch origin a3ba4c964c64a6803dd2acebac0e851546616d53:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-shopify-logrus-bugsnag
 * [new ref]         a3ba4c964c64a6803dd2acebac0e851546616d53 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a3ba4c9 Fix FTBFS