$ git clone -n https://src.fedoraproject.org/rpms/golang-bitbucket-ww-goautoneg.git /var/lib/mock/f40-build-2263243-54527/root/chroot_tmpdir/scmroot/golang-bitbucket-ww-goautoneg
Cloning into '/var/lib/mock/f40-build-2263243-54527/root/chroot_tmpdir/scmroot/golang-bitbucket-ww-goautoneg'...
$ git fetch origin 57abe65827b3d30e2626b00cd4cc360b518c2f6d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-bitbucket-ww-goautoneg
 * [new ref]         57abe65827b3d30e2626b00cd4cc360b518c2f6d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 57abe65 Remove deprecated %patchN syntax