$ git clone -n https://src.fedoraproject.org/rpms/golang-github-minio-sha256-simd.git /var/lib/mock/f38-build-side-42-init-devel-692674-26868/root/chroot_tmpdir/scmroot/golang-github-minio-sha256-simd
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-692674-26868/root/chroot_tmpdir/scmroot/golang-github-minio-sha256-simd'...
$ git fetch origin e3ff49248a057820cc6d588356b9a0f21803ddb9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-minio-sha256-simd
 * [new ref]         e3ff49248a057820cc6d588356b9a0f21803ddb9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e3ff492 fix changelog