$ git clone -n https://src.fedoraproject.org/rpms/java-jd-decompiler.git /var/lib/mock/f40-build-2241319-53661/root/chroot_tmpdir/scmroot/java-jd-decompiler
Cloning into '/var/lib/mock/f40-build-2241319-53661/root/chroot_tmpdir/scmroot/java-jd-decompiler'...
$ git fetch origin d9e0852741e5689a5f9c47d47cca1fa71f62287d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/java-jd-decompiler
 * [new ref]         d9e0852741e5689a5f9c47d47cca1fa71f62287d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d9e0852 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild