$ git clone -n https://src.fedoraproject.org/rpms/golang-github-nrdcg-freemyip.git /var/lib/mock/f39-build-1510230-35484/root/chroot_tmpdir/scmroot/golang-github-nrdcg-freemyip
Cloning into '/var/lib/mock/f39-build-1510230-35484/root/chroot_tmpdir/scmroot/golang-github-nrdcg-freemyip'...
$ git fetch origin 084f3cd63384943e529fb2289201dc07d47db361:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-nrdcg-freemyip
 * [new ref]         084f3cd63384943e529fb2289201dc07d47db361 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 084f3cd Initial import