$ git clone -n https://src.fedoraproject.org/rpms/java-11-openjdk-portable.git /var/lib/mock/f40-build-2505365-61700/root/chroot_tmpdir/scmroot/java-11-openjdk-portable
Cloning into '/var/lib/mock/f40-build-2505365-61700/root/chroot_tmpdir/scmroot/java-11-openjdk-portable'...
$ git fetch origin 4316b6e56b43ced425bdbac67b819d3131033b78:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/java-11-openjdk-portable
 * [new ref]         4316b6e56b43ced425bdbac67b819d3131033b78 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4316b6e Rebuilt for java-21-openjdk as system jdk