$ git clone -n https://src.fedoraproject.org/rpms/libxc.git /var/lib/mock/f40-build-786403-134249/root/chroot_tmpdir/scmroot/libxc
Cloning into '/var/lib/mock/f40-build-786403-134249/root/chroot_tmpdir/scmroot/libxc'...
$ git fetch origin 8aa477cf70c11e52b621dff6757e963d809774cd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libxc
 * [new ref]         8aa477cf70c11e52b621dff6757e963d809774cd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8aa477c Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild