$ git clone -n https://src.fedoraproject.org/rpms/rust-rustix.git /var/lib/mock/f38-build-side-43-rust-devel-1400592-31152/root/chroot_tmpdir/scmroot/rust-rustix
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1400592-31152/root/chroot_tmpdir/scmroot/rust-rustix'...
$ git fetch origin 6c1dc208cfa985a7a6229f7447792da0a7fe7f43:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-rustix
 * [new ref]         6c1dc208cfa985a7a6229f7447792da0a7fe7f43 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6c1dc20 Update to version 0.38.17; Fixes RHBZ#2239900