Provisional orange pi 6 plus image builder (#126)

Author: guineawheek

.github/workflows/main.yml

@@ -57,6 +57,9 @@ jobs:
           - name: opi5max
             script: ./install_opi5.sh
             base_image: https://github.com/Joshua-Riek/ubuntu-rockchip/releases/download/v2.4.0/ubuntu-24.04-preinstalled-server-arm64-orangepi-5-max.img.xz
+          - name: opi6plus
+            script: ./install_opi6.sh
+            base_image: https://sidequests.reduxrobotics.com/opi6/Orangepi6plus_1.0.2_debian_bookworm_server_linux6.6.89.img.xz
           - name: rock5c
             script: ./install_opi5.sh
             base_image: https://github.com/Joshua-Riek/ubuntu-rockchip/releases/download/v2.4.0/ubuntu-24.04-preinstalled-server-arm64-rock-5c.img.xz

install_opi6.sh

@@ -0,0 +1,59 @@
+#!/bin/bash
+
+# Exit on errors, print commands, ignore unset variables
+set -ex +u
+
+# change hostname
+sed -i 's/orangepi6plus/photonvision/g' /etc/hostname
+sed -i 's/orangepi6plus/photonvision/g' /etc/hosts
+
+# silence log spam from dpkg
+cat > /etc/apt/apt.conf.d/99dpkg.conf << EOF
+Dpkg::Progress-Fancy "0";
+APT::Color "0";
+Dpkg::Use-Pty "0";
+EOF
+
+apt-get -q update
+
+before=$(df --output=used / | tail -n1)
+# clean up stuff
+
+# remove build-essential for minor space savings
+apt-get --yes purge --allow-change-held-packages -q *-dev git
+apt-get --yes autoremove --allow-change-held-packages --purge
+
+after=$(df --output=used / | tail -n1)
+freed=$(( before - after ))
+echo "Freed up $freed KiB"
+
+# run Photonvision install script
+chmod +x ./install.sh
+./install.sh --install-nm=yes --arch=aarch64 --version="$1"
+
+echo "Installing additional things"
+apt-get --yes -qq install libc6 libstdc++6
+
+# modify photonvision.service to enable big cores
+# For reasons beyond human comprehension, the little cores are on 2, 3, 4, and 5.
+sed -i 's/# AllowedCPUs=4-7/AllowedCPUs=0,1,6-11/g' /lib/systemd/system/photonvision.service
+cp -f /lib/systemd/system/photonvision.service /etc/systemd/system/photonvision.service
+chmod 644 /etc/systemd/system/photonvision.service
+cat /etc/systemd/system/photonvision.service
+
+# networkd isn't being used, this causes an unnecessary delay
+systemctl disable systemd-networkd-wait-online.service
+
+# PhotonVision server is managing the network, so it doesn't need to wait for online
+systemctl disable NetworkManager-wait-online.service
+
+# there's no internal bluetooth or wifi on the opi6plus
+
+# there's also no...preinstalled ssh keys.
+ssh-keygen -A
+
+rm -rf /var/lib/apt/lists/*
+apt-get --yes -qq clean
+
+rm -rf /usr/share/doc
+rm -rf /usr/share/locale/