$ git clone -n https://src.fedoraproject.org/rpms/golang-github-maxhalford-halfgone.git /var/lib/mock/f38-build-side-42-init-devel-1407243-31294/root/chroot_tmpdir/scmroot/golang-github-maxhalford-halfgone
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1407243-31294/root/chroot_tmpdir/scmroot/golang-github-maxhalford-halfgone'...
$ git fetch origin f20ddfe2658763ff53fcf05abef5710f94eadca7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-maxhalford-halfgone
 * [new ref]         f20ddfe2658763ff53fcf05abef5710f94eadca7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f20ddfe Do not use tagged version