$ git clone -n https://src.fedoraproject.org/rpms/java-latest-openjdk-portable.git /var/lib/mock/f38-build-side-42-init-devel-952805-28781/root/chroot_tmpdir/scmroot/java-latest-openjdk-portable
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-952805-28781/root/chroot_tmpdir/scmroot/java-latest-openjdk-portable'...
$ git fetch origin 796d692239e0780965df563ff1900b9147a48738:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/java-latest-openjdk-portable
 * [new ref]         796d692239e0780965df563ff1900b9147a48738 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 796d692 source package chanegd to archfull; licenses differ