$ git clone -n https://src.fedoraproject.org/rpms/golang-github-powerman-check.git /var/lib/mock/f40-build-2262782-54521/root/chroot_tmpdir/scmroot/golang-github-powerman-check
Cloning into '/var/lib/mock/f40-build-2262782-54521/root/chroot_tmpdir/scmroot/golang-github-powerman-check'...
$ git fetch origin 0c44464f15a4842ffb2e9a913f7a5bd64b9c175f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-powerman-check
 * [new ref]         0c44464f15a4842ffb2e9a913f7a5bd64b9c175f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0c44464 Update to 1.7.0