$ git clone -n https://src.fedoraproject.org/rpms/golang-github-opencontainers-digest.git /var/lib/mock/f38-build-side-42-init-devel-692762-26875/root/chroot_tmpdir/scmroot/golang-github-opencontainers-digest
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-692762-26875/root/chroot_tmpdir/scmroot/golang-github-opencontainers-digest'...
$ git fetch origin 9d990b658c4b5a141bba9854f550e7285ab0edb1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-opencontainers-digest
 * [new ref]         9d990b658c4b5a141bba9854f550e7285ab0edb1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9d990b6 Bump to commit bde1400a84bededaf764144a72cbd007a633196e