$ git clone -n https://src.fedoraproject.org/rpms/golang-github-brunoscheufler-aws-ecs-metadata.git /var/lib/mock/f38-build-side-42-init-devel-1407598-31338/root/chroot_tmpdir/scmroot/golang-github-brunoscheufler-aws-ecs-metadata
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1407598-31338/root/chroot_tmpdir/scmroot/golang-github-brunoscheufler-aws-ecs-metadata'...
$ git fetch origin 2cec8a247c6d4dbc7a28e7a4736b14b7b01ec6c5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-brunoscheufler-aws-ecs-metadata
 * [new ref]         2cec8a247c6d4dbc7a28e7a4736b14b7b01ec6c5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2cec8a2 Initial import