$ git clone -n https://src.fedoraproject.org/rpms/znc-push.git /var/lib/mock/f45-build-39372-734/root/chroot_tmpdir/scmroot/znc-push
Cloning into '/var/lib/mock/f45-build-39372-734/root/chroot_tmpdir/scmroot/znc-push'...
$ git fetch origin 567ccb01e75062a4846f6ae18c39701e26d83a5d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/znc-push
 * [new ref]         567ccb01e75062a4846f6ae18c39701e26d83a5d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 567ccb0 Convert to %autorelease and %autochangelog