$ git clone -n https://src.fedoraproject.org/rpms/java-17-openjdk-portable.git /var/lib/mock/f40-build-1898541-25070/root/chroot_tmpdir/scmroot/java-17-openjdk-portable
Cloning into '/var/lib/mock/f40-build-1898541-25070/root/chroot_tmpdir/scmroot/java-17-openjdk-portable'...
$ git fetch origin 2afe8d30bc9389e7d764d12b222d48fccea60a9c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/java-17-openjdk-portable
 * [new ref]         2afe8d30bc9389e7d764d12b222d48fccea60a9c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2afe8d3 Merge branch 'rawhide' into f40