$ git clone -n https://src.fedoraproject.org/rpms/rust-shared_child.git /var/lib/mock/f39-build-1455544-32918/root/chroot_tmpdir/scmroot/rust-shared_child
Cloning into '/var/lib/mock/f39-build-1455544-32918/root/chroot_tmpdir/scmroot/rust-shared_child'...
$ git fetch origin d43f9c51edce0a7101a6900ea1d9193887b72b9e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-shared_child
 * [new ref]         d43f9c51edce0a7101a6900ea1d9193887b72b9e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d43f9c5 Skip a test that fails with Rust 1.72 and newer