$ git clone -n https://src.fedoraproject.org/rpms/rust-clap-num.git /var/lib/mock/f39-build-1572810-37792/root/chroot_tmpdir/scmroot/rust-clap-num
Cloning into '/var/lib/mock/f39-build-1572810-37792/root/chroot_tmpdir/scmroot/rust-clap-num'...
$ git fetch origin 624c2d3e0936502b2d0f2c6b828781de490a63ff:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-clap-num
 * [new ref]         624c2d3e0936502b2d0f2c6b828781de490a63ff -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 624c2d3 Initial import