185 lines
7.2 KiB
Bash
185 lines
7.2 KiB
Bash
#!/bin/bash
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# --- Main Script ---
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# This script presents a menu of software packages defined in a remote
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# configuration file. The user can select a package, and the script
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# will download the corresponding files. It includes a feature to show
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# a diff and ask for confirmation before overwriting existing config files.
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# It can also check for updates to already-installed scripts.
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# --- Functions ---
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# A simple function to log messages with a consistent format.
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log() {
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echo "[$1] $2"
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}
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# New function to get the version from a local script file.
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# It reads the first 5 lines and extracts the version number.
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get_local_version() {
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local file_path="$1"
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if [[ -f "${file_path}" ]]; then
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# Grep for the version line, then use awk to get the last field.
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head -n 5 "${file_path}" | grep -m 1 "^# Version:" | awk '{print $NF}'
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else
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echo "0.0.0" # Return a base version if file doesn't exist.
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fi
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}
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# New function to compare two version strings (e.g., "1.2.0" vs "1.10.0").
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# Returns 0 if v1 is newer, 1 if they are the same or v2 is newer.
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is_version_greater() {
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local v1=$1
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local v2=$2
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# Use sort's version sorting capability to find the "highest" version.
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# If the highest version is v1, then v1 > v2.
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if [[ "$(printf '%s\n' "$v1" "$v2" | sort -V | head -n 1)" != "$v1" ]]; then
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return 0 # v1 is greater
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else
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return 1 # v1 is not greater (equal or less)
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fi
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}
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# --- Main Logic ---
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# Generate a unique temporary filename with a timestamp.
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conf_file="packages.conf.$(date +%Y%m%d%H%M%S)"
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# Set up a trap to delete the temporary file on exit.
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trap 'rm -f "${conf_file}"' EXIT
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# Download the configuration file.
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log "🔄" "Downloading configuration file..."
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if ! curl -fsSL -o "${conf_file}" "https://git.technopunk.space/tomi/Scripts/raw/branch/main/packages.conf"; then
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log "❌" "Error: Failed to download packages.conf. Exiting."
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exit 1
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fi
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log "✅" "Configuration file downloaded successfully."
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# Source the configuration file to load the SCRIPT_PACKAGES associative array.
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source "${conf_file}"
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# --- Update Check & User Interface ---
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echo "-------------------------------------"
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echo " Script Downloader "
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echo "-------------------------------------"
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# Create an array of options from the package names.
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# We will modify this array to show installation and update status.
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declare -a options
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package_keys=("${!SCRIPT_PACKAGES[@]}")
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log "🔎" "Checking for updates..."
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for key in "${package_keys[@]}"; do
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# The config format is now "VERSION|URL1 URL2..."
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config_value="${SCRIPT_PACKAGES[$key]}"
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remote_version=$(echo "${config_value}" | cut -d'|' -f1)
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# Get just the URLs and assume the first URL is the main script to check.
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urls=$(echo "${config_value}" | cut -d'|' -f2-)
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read -r -a url_array <<< "$urls"
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main_script_filename=$(basename "${url_array[0]}")
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# Get the local version of the main script file.
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local_version=$(get_local_version "${main_script_filename}")
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status=""
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if [[ -f "${main_script_filename}" ]]; then
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status=" (Installed: v${local_version})"
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# Compare versions
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if is_version_greater "$remote_version" "$local_version"; then
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status+=" [Update available: v${remote_version}]"
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fi
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fi
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options+=("${key}${status}")
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done
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echo
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options+=("Quit") # Add a Quit option to the menu.
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# Set the prompt for the select menu.
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PS3="Please enter your choice: "
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# Display the menu and handle user input.
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# Setting COLUMNS=1 forces the select menu to display vertically.
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COLUMNS=1 select choice_with_status in "${options[@]}"; do
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# Strip the status message from the choice for key lookup
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choice=$(echo "${choice_with_status}" | sed 's/ (.*//')
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case "${choice}" in
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"Quit")
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log "👋" "Exiting."
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break # Exit the select loop.
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;;
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*)
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# Check if the user's choice is a valid package name.
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if [[ -n "${SCRIPT_PACKAGES[$choice]}" ]]; then
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echo
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log "⬇️" "Processing package: '${choice}'..."
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# Get the config value and split it into version and URLs
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config_value="${SCRIPT_PACKAGES[$choice]}"
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remote_version=$(echo "${config_value}" | cut -d'|' -f1)
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urls_to_download=$(echo "${config_value}" | cut -d'|' -f2-)
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read -r -a urls_to_download_array <<< "$urls_to_download"
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for url in "${urls_to_download_array[@]}"; do
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filename=$(basename "${url}")
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# If it's a .conf file AND it already exists, ask to overwrite.
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if [[ "${filename}" == *.conf && -f "${filename}" ]]; then
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log "->" "Found existing config file: '${filename}'."
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tmp_file=$(mktemp)
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if curl -fsSL -o "${tmp_file}" "${url}"; then
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log "🔎" "Comparing versions..."
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echo "-------------------- DIFF START --------------------"
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if command -v colordiff &> /dev/null; then
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colordiff -u "${filename}" "${tmp_file}"
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else
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# Attempt to use diff's color option, which is common.
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diff --color=always -u "${filename}" "${tmp_file}" 2>/dev/null || diff -u "${filename}" "${tmp_file}"
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fi
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echo "--------------------- DIFF END ---------------------"
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read -p "Do you want to overwrite '${filename}'? (y/N) " -n 1 -r REPLY
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echo
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if [[ $REPLY =~ ^[Yy]$ ]]; then
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mv "${tmp_file}" "${filename}"
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log "✅" "Updated '${filename}'."
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else
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rm "${tmp_file}"
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log "🤷" "Kept existing version of '${filename}'."
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fi
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else
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log "❌" "Error: Failed to download new version of '${filename}' for comparison."
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rm -f "${tmp_file}"
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fi
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else
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# Original download logic for all other files.
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log "->" "Downloading '${filename}'..."
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if curl -fsSL -o "${filename}" "${url}"; then
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log "✅" "Successfully downloaded '${filename}'."
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if [[ "${filename}" == *.sh ]]; then
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chmod +x "${filename}"
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log "🤖" "Made '${filename}' executable."
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fi
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else
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log "❌" "Error: Failed to download '${filename}'."
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fi
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fi
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done
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echo
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log "📦" "Package processing complete."
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break
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else
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echo "Invalid selection. Please try again."
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fi
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;;
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esac
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done
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