$ git clone -n https://src.fedoraproject.org/rpms/rust-clap-num.git /var/lib/mock/f39-build-2319626-58319/root/chroot_tmpdir/scmroot/rust-clap-num
Cloning into '/var/lib/mock/f39-build-2319626-58319/root/chroot_tmpdir/scmroot/rust-clap-num'...
$ git fetch origin 19dde3f6257dbb9fd809a643fa53433e0e9760b0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-clap-num
 * [new ref]         19dde3f6257dbb9fd809a643fa53433e0e9760b0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 19dde3f Update to version 1.1.1