Mac Support: Create bash version of download script

.gitignore

@@ -40,6 +40,8 @@ GP/LIBRARY/PROJECTS/GeoPixProjectConfig.txt
 
 # Library items downloaded by the asset downloader
 
+GP/LIBRARY/file_list
+
 # fixture profiles json
 GP/LIBRARY/**/*.json
 

FETCH_LIBRARY_ASSETS.sh

@@ -0,0 +1,79 @@
+#!/bin/bash
+
+# Turn off echo, so we only print intentional user messages.
+set +x
+
+# Change the current working directory to the directory where the script executes from.
+# NOTE: We might be able to remove this if we use absolute paths.
+cd "$(dirname "$0")"
+
+# Log some things.
+echo ""
+echo "=======================================" >> library_downloader_Log.txt
+echo "====== BEGIN Library Fetch Script =====" >> library_downloader_Log.txt
+echo "======================================="
+echo "====== BEGIN Library Fetch Script ====="
+echo "======================================="
+
+# Define the target directory for our LIBRARY downloads.
+# NOTE: This directory SHOULD exist already.
+library_destination_directory="$PWD/GP/LIBRARY"
+
+# Define URL to the files.php script that returns our files_list data.
+url_prefix="http://www.enviral-design.com/downloads/20_PREREQUISITES"
+files_list_url="${url_prefix}/files.php"
+
+# Set the absolute path to the files_list file. It might not exist yet.
+file_list_path="${library_destination_directory}/file_list"
+
+# Log some things.
+echo "2) -- Downloading files list from the remote server ----" >> library_downloader_Log.txt
+echo "2) -- Downloading files list from the remote server ----"
+
+# Delete the file_list file if it exists so we can re-download a new one.
+if [ -e "$file_list_path" ]; then
+    rm "$file_list_path"
+fi
+
+# Download the file_list from the php query page.
+wget -nv --show-progress -a library_downloader_Log.txt -P "$library_destination_directory" "$files_list_url"
+
+# Log some things.
+echo "3) -- Renaming downloaded file to 'files_list' ----" >> library_downloader_Log.txt
+echo "3) -- Renaming downloaded file to 'files_list' ----"
+
+# Rename the retrieved file to something more sensible for the local file system.
+mv "${library_destination_directory}/files.php" "$file_list_path"
+
+# Log some things.
+echo "4) -- Downloading any missing library assets ----" >> library_downloader_Log.txt
+echo "4) -- Downloading any missing library assets ----"
+
+# Read the file_list line by line and download the assets.
+while IFS= read -r line || [ -n "$line" ]; do
+    # Check if the line is not blank.
+    if [ -n "${line}" ]; then
+        source_url="${url_prefix}/${line}"
+        dest_file_path_abs="${library_destination_directory}/${line}"
+        dest_file_path_abs="$(dirname "$dest_file_path_abs")"
+
+        echo "Downloading: ${source_url}"
+
+        # Download the asset.
+        wget -nv --show-progress -a library_downloader_Log.txt -nc -P "$dest_file_path_abs" "$source_url"
+    fi
+done < "$file_list_path"
+
+# Delete the file_list file after we're done with the downloading.
+rm "$file_list_path"
+
+# Log some things.
+echo "5) -- Finished fetching library assets! ----" >> library_downloader_Log.txt
+echo "5) -- Finished fetching library assets! ----"
+
+# Log some things.
+echo "=====================================" >> library_downloader_Log.txt
+echo "====== END Library Fetch Script =====" >> library_downloader_Log.txt
+echo "====================================="
+echo "====== END Library Fetch Script ====="
+echo "====================================="