$ git clone -n https://src.fedoraproject.org/rpms/petpvc.git /var/lib/mock/f41-build-1222404-22756/root/chroot_tmpdir/scmroot/petpvc
Cloning into '/var/lib/mock/f41-build-1222404-22756/root/chroot_tmpdir/scmroot/petpvc'...
$ git fetch origin 88d8ceb7a34952f63a7b8409ce91d7f7fadb7f21:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/petpvc
 * [new ref]         88d8ceb7a34952f63a7b8409ce91d7f7fadb7f21 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 88d8ceb Drop i686 - leaf package