$ git clone -n http://fedora.riscv.rocks:3000/rpms/mupdf.git /var/lib/mock/f41-build-834237-158249/root/chroot_tmpdir/scmroot/mupdf
Cloning into '/var/lib/mock/f41-build-834237-158249/root/chroot_tmpdir/scmroot/mupdf'...
$ git fetch origin c0804485a5b4845feb817826a1408ea6ee51ad06:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/mupdf
 * [new ref]         c0804485a5b4845feb817826a1408ea6ee51ad06 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c080448 Rebuilt for Fedora/RISCV (riscv64); adding .rvreX to Release: