$ git clone -n https://github.com/fedora-riscv/java-1.8.0-openjdk-portable.git /var/lib/mock/f38-build-side-42-init-devel-601517-26182/root/chroot_tmpdir/scmroot/java-1.8.0-openjdk-portable
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-601517-26182/root/chroot_tmpdir/scmroot/java-1.8.0-openjdk-portable'...
$ git fetch origin e97cf152660836feb0b723cfcf3aa4a9c12285e4:KOJI_FETCH_HEAD
From https://github.com/fedora-riscv/java-1.8.0-openjdk-portable
 * [new ref]         e97cf152660836feb0b723cfcf3aa4a9c12285e4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e97cf15 Add riscv64 support.