$ git clone -n https://src.fedoraproject.org/rpms/gqrx.git /var/lib/mock/f40-build-802405-144008/root/chroot_tmpdir/scmroot/gqrx
Cloning into '/var/lib/mock/f40-build-802405-144008/root/chroot_tmpdir/scmroot/gqrx'...
$ git fetch origin 02f9ebcae096de7564a891710f36502407277f55:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gqrx
 * [new ref]         02f9ebcae096de7564a891710f36502407277f55 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 02f9ebc Rebuild (qt6)