$ git clone -n https://src.fedoraproject.org/rpms/python-pydiffx.git /var/lib/mock/f40-build-2028559-47396/root/chroot_tmpdir/scmroot/python-pydiffx
Cloning into '/var/lib/mock/f40-build-2028559-47396/root/chroot_tmpdir/scmroot/python-pydiffx'...
$ git fetch origin 1c5b6f898bf3b4a51033ae6dac4cb8998e1ca66e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pydiffx
 * [new ref]         1c5b6f898bf3b4a51033ae6dac4cb8998e1ca66e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1c5b6f8 Fix Python 3.12 compatibility (rhbz#2175200, rhbz#2220425)