$ git clone -n https://src.fedoraproject.org/rpms/appx-util.git /var/lib/mock/f42-build-3307068-41426/root/chroot_tmpdir/scmroot/appx-util
Cloning into '/var/lib/mock/f42-build-3307068-41426/root/chroot_tmpdir/scmroot/appx-util'...
$ git fetch origin 81e97db7b028e0a7b0cfa72e07493f45f0163fe6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/appx-util
 * [new ref]         81e97db7b028e0a7b0cfa72e07493f45f0163fe6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 81e97db Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild