$ git clone -n https://src.fedoraproject.org/rpms/rust-insta-cmd.git /var/lib/mock/f40-build-2307113-57203/root/chroot_tmpdir/scmroot/rust-insta-cmd
Cloning into '/var/lib/mock/f40-build-2307113-57203/root/chroot_tmpdir/scmroot/rust-insta-cmd'...
$ git fetch origin 6ffccf307b80c63053d05013a9b59665481c83b5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-insta-cmd
 * [new ref]         6ffccf307b80c63053d05013a9b59665481c83b5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6ffccf3 Initial import (#2247833)