$ git clone -n https://src.fedoraproject.org/rpms/libpoly.git /var/lib/mock/f41-build-886506-16639/root/chroot_tmpdir/scmroot/libpoly
Cloning into '/var/lib/mock/f41-build-886506-16639/root/chroot_tmpdir/scmroot/libpoly'...
$ git fetch origin ebb986f91eaa3571f0f5009b29a3a283a9c9062c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libpoly
 * [new ref]         ebb986f91eaa3571f0f5009b29a3a283a9c9062c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ebb986f Rebuilt for Python 3.13