$ git clone -n https://src.fedoraproject.org/rpms/rust-just.git /var/lib/mock/f45-build-42752-796/root/chroot_tmpdir/scmroot/rust-just
Cloning into '/var/lib/mock/f45-build-42752-796/root/chroot_tmpdir/scmroot/rust-just'...
$ git fetch origin b489418a789b48ca92a46303752e581607442254:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-just
 * [new ref]         b489418a789b48ca92a46303752e581607442254 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b489418 Update to 1.57.0 (#2498899)