$ git clone -n https://src.fedoraproject.org/rpms/golang-github-rakyll-statik.git /var/lib/mock/f40-build-2236527-53513/root/chroot_tmpdir/scmroot/golang-github-rakyll-statik
Cloning into '/var/lib/mock/f40-build-2236527-53513/root/chroot_tmpdir/scmroot/golang-github-rakyll-statik'...
$ git fetch origin 28c99c25f1d8beb64c5653a62b1891fa3555c288:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-rakyll-statik
 * [new ref]         28c99c25f1d8beb64c5653a62b1891fa3555c288 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 28c99c2 Remove deprecated %patchN syntax