$ git clone -n https://src.fedoraproject.org/rpms/rust-gettid.git /var/lib/mock/f38-build-side-43-rust-devel-1413497-31444/root/chroot_tmpdir/scmroot/rust-gettid
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1413497-31444/root/chroot_tmpdir/scmroot/rust-gettid'...
$ git fetch origin 64fcb22eeb0df69a719a2a051e225127b48608de:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gettid
 * [new ref]         64fcb22eeb0df69a719a2a051e225127b48608de -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 64fcb22 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild