Add scripts to build a custom Pi SD card image.

.gitignore

@@ -3,3 +3,5 @@ node_modules
 
 *.sw*
 *~
+
+deploy/pi-sdcard/pi-gen

deploy/pi-sdcard/build.sh

@@ -0,0 +1,11 @@
+#!/bin/bash -e
+
+git clone https://github.com/RPi-Distro/pi-gen
+cd pi-gen
+git fetch
+git fetch --tags
+git checkout 2020-02-13-raspbian-buster
+cp ../config config
+cp -a ../stage-gymnasticon stage-gymnasticon
+touch stage2/SKIP_IMAGES
+./build-docker.sh

deploy/pi-sdcard/config

@@ -0,0 +1,11 @@
+IMG_NAME=Gymnasticon
+RELEASE=buster
+LOCALE_DEFAULT=en_US.UTF-8
+TARGET_HOSTNAME=gymnasticon
+KEYBOARD_KEYMAP=us
+KEYBOARD_LAYOUT="English (US)"
+TIMEZONE_DEFAULT=US/Eastern
+FIRST_USER_NAME=pi
+FIRST_USER_PASS=raspberry
+ENABLE_SSH=0
+STAGE_LIST="stage0 stage1 stage2 stage-gymnasticon"

deploy/pi-sdcard/stage-gymnasticon/00-install-gymnasticon/00-packages

@@ -0,0 +1 @@
+libudev-dev

deploy/pi-sdcard/stage-gymnasticon/00-install-gymnasticon/01-run.sh

@@ -0,0 +1,33 @@
+#!/bin/bash -e
+
+NODE_SHASUM256=de4440edf147d6b534b7dea61ef2e05eb8b7844dec93bdf324ce2c83cf7a7f3c
+NODE_URL=https://unofficial-builds.nodejs.org/download/release/v12.18.3/node-v12.18.3-linux-armv6l.tar.gz
+GYMNASTICON_USER=${FIRST_USER_NAME}
+GYMNASTICON_GROUP=${FIRST_USER_NAME}
+
+if [ ! -x "${ROOTFS_DIR}/opt/gymnasticon/node/bin/node" ] ; then
+  TMPD=$(mktemp -d)
+  trap 'rm -rf $TMPD' EXIT
+  cd $TMPD
+  curl -Lo node.tar.gz ${NODE_URL}
+  sha256sum -c <(echo "$NODE_SHASUM256 node.tar.gz")
+  install -v -m 644 "$TMPD/node.tar.gz" "${ROOTFS_DIR}/tmp/node.tar.gz"
+  on_chroot <<EOF
+    mkdir -p /opt/gymnasticon/node
+    cd /opt/gymnasticon/node
+    tar zxvf /tmp/node.tar.gz --strip 1
+    chown -R "${GYMNASTICON_USER}:${GYMNASTICON_GROUP}" /opt/gymnasticon
+EOF
+fi
+
+on_chroot <<EOF
+su ${GYMNASTICON_USER} -c 'export PATH=/opt/gymnasticon/node/bin:\$PATH; /opt/gymnasticon/node/bin/npm install -g gymnasticon'
+EOF
+
+install -v -m 644 files/gymnasticon.service "${ROOTFS_DIR}/etc/systemd/system/gymnasticon.service"
+
+on_chroot <<EOF
+systemctl enable gymnasticon
+EOF
+
+install -v -m 644 files/motd "${ROOTFS_DIR}/etc/motd"

deploy/pi-sdcard/stage-gymnasticon/00-install-gymnasticon/files/gymnasticon.service

@@ -0,0 +1,21 @@
+[Unit]
+Description=Gymnasticon
+After=bluetooth.target
+Requires=bluetooth.target
+
+[Service]
+Type=simple
+Environment=PATH=/opt/gymnasticon/node/bin
+WorkingDirectory=/opt/gymnasticon
+User=pi
+Group=pi
+ExecStart=/opt/gymnasticon/node/bin/gymnasticon
+RestartSec=1
+Restart=on-failure
+
+AmbientCapabilities=CAP_NET_RAW CAP_NET_ADMIN
+NoNewPrivileges=true
+
+[Install]
+WantedBy=multi-user.target
+

deploy/pi-sdcard/stage-gymnasticon/00-install-gymnasticon/files/motd

@@ -0,0 +1,6 @@
+  ____                                 _   _                 
+ / ___|_   _ _ __ ___  _ __   __ _ ___| |_(_) ___ ___  _ __  
+| |  _| | | | '_ ` _ \| '_ \ / _` / __| __| |/ __/ _ \| '_ \ 
+| |_| | |_| | | | | | | | | | (_| \__ \ |_| | (_| (_) | | | |
+ \____|\__, |_| |_| |_|_| |_|\__,_|___/\__|_|\___\___/|_| |_|
+       |___/                                                 

deploy/pi-sdcard/stage-gymnasticon/EXPORT_IMAGE

@@ -0,0 +1,4 @@
+IMG_SUFFIX="-lite"
+if [ "${USE_QEMU}" = "1" ]; then
+	export IMG_SUFFIX="${IMG_SUFFIX}-qemu"
+fi

deploy/pi-sdcard/stage-gymnasticon/EXPORT_NOOBS

@@ -0,0 +1,2 @@
+NOOBS_NAME="Gymnasticon Lite"
+NOOBS_DESCRIPTION="Raspbian Lite with Gymnasticon pre-installed."

deploy/pi-sdcard/stage-gymnasticon/prerun.sh

@@ -0,0 +1,5 @@
+#!/bin/bash -e
+
+if [ ! -d "${ROOTFS_DIR}" ]; then
+	copy_previous
+fi