$ git clone -n https://src.fedoraproject.org/rpms/rust-uu_chcon.git /var/lib/mock/f42-build-3270346-41264/root/chroot_tmpdir/scmroot/rust-uu_chcon
Cloning into '/var/lib/mock/f42-build-3270346-41264/root/chroot_tmpdir/scmroot/rust-uu_chcon'...
$ git fetch origin 3608b05da5965ee98567bcc22ed7617c942499f3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-uu_chcon
 * [new ref]         3608b05da5965ee98567bcc22ed7617c942499f3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3608b05 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild