Added standalone-rpi-imager.sh script

Author: dmotte

scripts/provisioning/standalone-rpi-imager.sh

@@ -0,0 +1,68 @@
+#!/bin/bash
+
+set -e
+
+# This script can be used to set up a standalone installation of
+# Raspberry Pi Imager (rpi-imager) in a specific directory
+
+# Tested on Debian 13 (trixie)
+
+# To run this script without downloading it:
+# bash <(curl -fsSL https://raw.githubusercontent.com/dmotte/misc/main/scripts/provisioning/standalone-rpi-imager.sh) -lauto
+
+options=$(getopt -o +c:d:l: -l checksum: -l install-dir: -l launcher: -- "$@")
+eval "set -- $options"
+
+checksum=''
+install_dir="$HOME/apps/rpi-imager"
+launcher=''
+
+while :; do
+    case $1 in
+        -c|--checksum) shift; checksum=$1;;
+        -d|--install-dir) shift; install_dir=$1;;
+        -l|--launcher) shift; launcher=$1;;
+        --) shift; break;;
+    esac
+    shift
+done
+
+readonly version=${1:-latest}
+
+[ "$launcher" != auto ] ||
+    launcher=~/.local/share/applications/rpi-imager.desktop
+
+################################################################################
+
+if [ -d "$install_dir" ]; then
+    echo "Directory $install_dir already exists" >&2; exit 1
+fi
+
+mkdir -pv "$install_dir"
+
+readonly imager_url="https://downloads.raspberrypi.com/imager/imager_${version}_amd64.AppImage"
+readonly imager_path=$install_dir/imager.AppImage
+
+echo "Downloading $imager_url to $imager_path"
+curl -fLo "$imager_path" "$imager_url"
+
+if [ -n "$checksum" ]; then
+    echo "$checksum $imager_path" | sha256sum -c
+fi
+
+if [ -n "$launcher" ]; then
+    echo "Creating launcher file $launcher"
+    7z e "$imager_path" usr/share/icons/hicolor/scalable/apps/rpi-imager.svg -so \
+        > "$install_dir/icon.svg"
+    echo 5ef45ade3239f9710ee3f4d5e0c65d03b40621898f2ff35ecfdf6025b223a753 \
+        "$install_dir/icon.svg" | sha256sum -c
+
+    install -Tm644 /dev/stdin "$launcher" << EOF
+[Desktop Entry]
+Type=Application
+Name=Raspberry Pi Imager
+Icon=$install_dir/icon.svg
+Exec=$imager_path %F
+Terminal=false
+EOF
+fi