$ git clone -n https://src.fedoraproject.org/rpms/qtxdg-tools.git /var/lib/mock/f40-build-791156-137126/root/chroot_tmpdir/scmroot/qtxdg-tools
Cloning into '/var/lib/mock/f40-build-791156-137126/root/chroot_tmpdir/scmroot/qtxdg-tools'...
$ git fetch origin 41238b2ad62c5715e18d15729a15152e323a562d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qtxdg-tools
 * [new ref]         41238b2ad62c5715e18d15729a15152e323a562d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 41238b2 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild