parent
5eb6873c63
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4a7d245628
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#!/bin/bash
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set -Eeuo pipefail
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shopt -s extglob
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# TODO: Add help message
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# TODO: Add parameter to set $DOWNLOADS_DIR
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DOWNLOADS_DIR="$HOME/Downloads/os"
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URL="https://downloads.raspberrypi.org/os_list_imagingutility_v2.json"
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shopt -s expand_aliases
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alias fzf='fzf --height="10" --layout="reverse"'
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check_available_space() {
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df "$DOWNLOADS_DIR" -h --output="avail" | tail -n +2
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}
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list_removable_devices() {
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# see https://askubuntu.com/a/168654
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for device in /sys/block/*; do
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info=$(udevadm info --query=property --path="$device")
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if grep -q ^ID_BUS=usb <<<"$info"; then
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grep DEVNAME <<<"$info" | cut -d '=' -f2
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fi
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done
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}
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download() {
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printf "Will download %s in %s\nDownload size: %s\nAvailable space: %s\n\n" \
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"$1" "$DOWNLOADS_DIR" "$2" "$(check_available_space)"
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read -rp "Continue? [Y/n]" continue
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continue=${continue:-Y}
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if [[ $continue =~ [yY] ]]; then
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echo "Downloading..."
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curl -o "$DOWNLOADS_DIR/$1" "$3"
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else exit 1; fi
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}
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extract() {
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printf "Will extract %s in %s\nExtracted size: %s\nAvailable space: %s\n\n" \
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"$1" "$DOWNLOADS_DIR" "$2" "$(check_available_space)"
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read -rp "Continue? [Y/n]" continue
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continue=${continue:-Y}
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if [[ $continue =~ [yY] ]]; then
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echo "Extracting..."
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unzip "$DOWNLOADS_DIR/$1" -d "$DOWNLOADS_DIR"
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echo "Checking sha256 hashes"
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sum=$(sha256sum "$3" | cut -f 1 -d ' ')
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if [ "$sum" = "$4" ]; then
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echo "Checksum matches"
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else
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echo "Checksum doesn't match. Remove file and download again"
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exit 1
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fi
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else exit 1; fi
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}
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flash() {
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sudo dd bs=4M status=progress oflag=sync if="$1" of="$2"
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}
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# TODO: Improve this filter, it's a mess
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read -rd '' FILTER << EOF || true
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(.os_list[] | select(has("url"))), (.os_list[] | select(.subitems) | .subitems[])
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| select(any(.name; contains("Raspberry Pi OS")))
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| {
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name, url, extract_sha256, extract_size: (.extract_size / 1024 / 1024 | round),
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image_download_size: (.image_download_size / 1024 / 1024 | round), release_date
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}
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EOF
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RAW=$(curl --no-progress-meter $URL)
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JSON=$(jq "$FILTER" <<<"$RAW")
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printf "Select Raspberry Pi OS Version: "
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IMAGE_SELECTION=$(echo "$JSON" | jq '.name' | fzf)
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printf "%s\n" "$IMAGE_SELECTION"
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IMAGE_SELECTION_CSV=$(echo "$JSON" \
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| jq -r ". | select(.name == $IMAGE_SELECTION) | [.name, .release_date, .url, .image_download_size, .extract_size, .extract_sha256 ] | @csv" \
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| tr -d '"')
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declare -a SELECTION_DATA
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IFS=',' read -ra SELECTION_DATA <<< "$IMAGE_SELECTION_CSV"
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ZIP_FILENAME=$(basename "${SELECTION_DATA[2]}")
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IMG_FILENAME=${ZIP_FILENAME/zip/img}
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should_download=FALSE
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should_extract=FALSE
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# NOTE: This block is a bit redundant, could be improved.
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echo "Checking for files"
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if [ -d "$DOWNLOADS_DIR" ]; then
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if [ -f "$DOWNLOADS_DIR/$IMG_FILENAME" ]; then
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echo "Found extracted image: $IMG_FILENAME"
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elif [ -f "$DOWNLOADS_DIR/$ZIP_FILENAME" ]; then
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should_extract=TRUE
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else
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should_download=TRUE; should_extract=TRUE
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fi
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else
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echo "Creading dir: $DOWNLOADS_DIR"
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mkdir -p "$DOWNLOADS_DIR"
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should_download=TRUE; should_extract=TRUE
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fi
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[ $should_download = TRUE ] && download "$ZIP_FILENAME" "${SELECTION_DATA[3]}M" "${SELECTION_DATA[2]}"
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[ $should_extract = TRUE ] && extract "$ZIP_FILENAME" "${SELECTION_DATA[4]}M" "$IMG_FILENAME" "${SELECTION_DATA[5]}"
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# NOTE: Is there a cleaner way to do this?
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DEVICES=$(list_removable_devices)
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while [ -z "$DEVICES" ]; do
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read -rp "No removable devices found. Insert one and press enter"
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DEVICES=$(list_removable_devices)
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done
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DEVICE_SELECTION=$(echo "$DEVICES" | fzf)
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printf "Will flash %s (%s) to %s\n" \
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"${SELECTION_DATA[0]}" "${SELECTION_DATA[1]}" "$DEVICE_SELECTION"
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read -rp "Continue? [Y/n]" confirm
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confirm=${confirm:-Y}
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if [[ $confirm =~ [yY] ]]; then
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echo "Umounting and flashing"
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if [ -f "$DOWNLOADS_DIR/$IMG_FILENAME" ] && [ -b "$DEVICE_SELECTION" ]; then
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for partition in "$DEVICE_SELECTION"?*; do
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sudo umount "$partition" || true
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done
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flash "$DOWNLOADS_DIR/$IMG_FILENAME" "$DEVICE_SELECTION"
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else
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exit 1
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fi
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else
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exit 1
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fi
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sudo mkdir -p /mnt/raspi-flash
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sudo mount "$DEVICE_SELECTION"1 /mnt/raspi-flash
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read -rp "Enable SSH? [Y/n]" enable_ssh
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enable_ssh=${enable_ssh:-Y}
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if [[ $enable_ssh =~ [yY] ]]; then
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sudo touch /mnt/raspi-flash/ssh
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fi
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read -rp "Configure wpa_supplicant? [Y/n]" enable_wifi
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enable_wifi=${enable_wifi:-Y}
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if [[ $enable_wifi =~ [yY] ]]; then
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read -rp "Network name: " ssid
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read -rsp "Password (hidden): " psk
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read -rp "Country (Two letters. Example: AR): " country
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sudo rm /mnt/raspi-flash/wpa_supplicant.conf
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sudo bash -c 'cat > /mnt/raspi-flash/wpa_supplicant.conf' <<EOF
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country=$country
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update_config=1
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ctrl_interface=/var/run/wpa_supplicant
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network={
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scan_ssid=1
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ssid="$ssid"
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psk="$psk"
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}
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EOF
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fi
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sudo umount "$DEVICE_SELECTION"1
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sudo rmdir /mnt/raspi-flash
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echo "Finished successfully!"
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