$ git clone -n http://fedora.riscv.rocks:3000/rpms/rust.git /var/lib/mock/f41-build-810468-146710/root/chroot_tmpdir/scmroot/rust
Cloning into '/var/lib/mock/f41-build-810468-146710/root/chroot_tmpdir/scmroot/rust'...
$ git fetch origin 40ab5f0e4583363b4027f281b79e67d2b6d90b7b:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/rust
 * [new ref]         40ab5f0e4583363b4027f281b79e67d2b6d90b7b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 40ab5f0 Skip panic_abort_doc_tests on riscv64