$ git clone -n https://src.fedoraproject.org/rpms/rust-nu-cmd-lang.git /var/lib/mock/f41-build-side-1-3149606-40517/root/chroot_tmpdir/scmroot/rust-nu-cmd-lang
Cloning into '/var/lib/mock/f41-build-side-1-3149606-40517/root/chroot_tmpdir/scmroot/rust-nu-cmd-lang'...
$ git fetch origin 24c6d35bb069386e1e5a248034b0341f2c782e08:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-nu-cmd-lang
 * [new ref]         24c6d35bb069386e1e5a248034b0341f2c782e08 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 24c6d35 Update to version 0.99.1