$ git clone -n https://src.fedoraproject.org/rpms/rust-procfs.git /var/lib/mock/f39-build-1495683-34545/root/chroot_tmpdir/scmroot/rust-procfs
Cloning into '/var/lib/mock/f39-build-1495683-34545/root/chroot_tmpdir/scmroot/rust-procfs'...
$ git fetch origin cea4988cce22e8f5c305c5c78b5a78fc8fe1bc5c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-procfs
 * [new ref]         cea4988cce22e8f5c305c5c78b5a78fc8fe1bc5c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cea4988 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild