$ git clone -n https://src.fedoraproject.org/rpms/PackageKit-Qt.git /var/lib/mock/f40-build-788921-135460/root/chroot_tmpdir/scmroot/PackageKit-Qt
Cloning into '/var/lib/mock/f40-build-788921-135460/root/chroot_tmpdir/scmroot/PackageKit-Qt'...
$ git fetch origin f7c83fc57d9c332a40ffa0be188a72f8732efbf1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/PackageKit-Qt
 * [new ref]         f7c83fc57d9c332a40ffa0be188a72f8732efbf1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f7c83fc Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild