$ git clone -n http://fedora.riscv.rocks:3000/rpms/filesystem.git /var/lib/mock/f42-build-861843-170440/root/chroot_tmpdir/scmroot/filesystem
Cloning into '/var/lib/mock/f42-build-861843-170440/root/chroot_tmpdir/scmroot/filesystem'...
$ git fetch origin 83235498a3cbef133ba2abd1bb2819cf5c7c5301:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/filesystem
 * [new ref]         83235498a3cbef133ba2abd1bb2819cf5c7c5301 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8323549 Fix Release: