From ca07d754052197384cd166463900669592a10b2f Mon Sep 17 00:00:00 2001
From: Omar Roth <omarroth@hotmail.com>
Date: Sat, 6 Apr 2019 08:28:53 -0500
Subject: [PATCH] Add '--version' to command line

---
 README.md        |  6 ++--
 src/invidious.cr | 76 ++++++++++++++++++++++++++----------------------
 2 files changed, 43 insertions(+), 39 deletions(-)

diff --git a/README.md b/README.md
index 0d02fe32..70f2c500 100644
--- a/README.md
+++ b/README.md
@@ -172,15 +172,12 @@ Usage: invidious [arguments]
     --ssl-key-file FILE              SSL key file
     --ssl-cert-file FILE             SSL certificate file
     -h, --help                       Shows this help
-    -t THREADS, --crawl-threads=THREADS
-                                     Number of threads for crawling YouTube (default: 0)
     -c THREADS, --channel-threads=THREADS
                                      Number of threads for refreshing channels (default: 1)
     -f THREADS, --feed-threads=THREADS
                                      Number of threads for refreshing feeds (default: 1)
-    -v THREADS, --video-threads=THREADS
-                                     Number of threads for refreshing videos (default: 0)
     -o OUTPUT, --output=OUTPUT       Redirect output (default: STDOUT)
+    -v, --version                    Print version
 ```
 
 Or for development:
@@ -188,6 +185,7 @@ Or for development:
 ```bash
 $ curl -fsSLo- https://raw.githubusercontent.com/samueleaton/sentry/master/install.cr | crystal eval
 $ ./sentry
+🤖  Your SentryBot is vigilant. beep-boop...
 ```
 
 ## Documentation
diff --git a/src/invidious.cr b/src/invidious.cr
index 53edf843..9aa27205 100644
--- a/src/invidious.cr
+++ b/src/invidious.cr
@@ -31,35 +31,6 @@ require "./invidious/*"
 CONFIG   = Config.from_yaml(File.read("config/config.yml"))
 HMAC_KEY = CONFIG.hmac_key || Random::Secure.hex(32)
 
-config = CONFIG
-logger = Invidious::LogHandler.new
-
-Kemal.config.extra_options do |parser|
-  parser.banner = "Usage: invidious [arguments]"
-  parser.on("-c THREADS", "--channel-threads=THREADS", "Number of threads for refreshing channels (default: #{config.channel_threads})") do |number|
-    begin
-      config.channel_threads = number.to_i
-    rescue ex
-      puts "THREADS must be integer"
-      exit
-    end
-  end
-  parser.on("-f THREADS", "--feed-threads=THREADS", "Number of threads for refreshing feeds (default: #{config.feed_threads})") do |number|
-    begin
-      config.feed_threads = number.to_i
-    rescue ex
-      puts "THREADS must be integer"
-      exit
-    end
-  end
-  parser.on("-o OUTPUT", "--output=OUTPUT", "Redirect output (default: STDOUT)") do |output|
-    FileUtils.mkdir_p(File.dirname(output))
-    logger = Invidious::LogHandler.new(File.open(output, mode: "a"))
-  end
-end
-
-Kemal::CLI.new ARGV
-
 PG_URL = URI.new(
   scheme: "postgres",
   user: CONFIG.db[:user],
@@ -81,6 +52,12 @@ CURRENT_BRANCH  = {{ "#{`git branch | sed -n '/\* /s///p'`.strip}" }}
 CURRENT_COMMIT  = {{ "#{`git rev-list HEAD --max-count=1 --abbrev-commit`.strip}" }}
 CURRENT_VERSION = {{ "#{`git describe --tags --abbrev=0`.strip}" }}
 
+SOFTWARE = {
+  "name"    => "invidious",
+  "version" => "#{CURRENT_VERSION}-#{CURRENT_COMMIT}",
+  "branch"  => "#{CURRENT_BRANCH}",
+}
+
 LOCALES = {
   "ar"    => load_locale("ar"),
   "de"    => load_locale("de"),
@@ -95,6 +72,39 @@ LOCALES = {
   "ru"    => load_locale("ru"),
 }
 
+config = CONFIG
+logger = Invidious::LogHandler.new
+
+Kemal.config.extra_options do |parser|
+  parser.banner = "Usage: invidious [arguments]"
+  parser.on("-c THREADS", "--channel-threads=THREADS", "Number of threads for refreshing channels (default: #{config.channel_threads})") do |number|
+    begin
+      config.channel_threads = number.to_i
+    rescue ex
+      puts "THREADS must be integer"
+      exit
+    end
+  end
+  parser.on("-f THREADS", "--feed-threads=THREADS", "Number of threads for refreshing feeds (default: #{config.feed_threads})") do |number|
+    begin
+      config.feed_threads = number.to_i
+    rescue ex
+      puts "THREADS must be integer"
+      exit
+    end
+  end
+  parser.on("-o OUTPUT", "--output=OUTPUT", "Redirect output (default: STDOUT)") do |output|
+    FileUtils.mkdir_p(File.dirname(output))
+    logger = Invidious::LogHandler.new(File.open(output, mode: "a"))
+  end
+  parser.on("-v", "--version", "Print version") do |output|
+    puts SOFTWARE.to_pretty_json
+    exit
+  end
+end
+
+Kemal::CLI.new ARGV
+
 refresh_channels(PG_DB, logger, config.channel_threads, config.full_refresh)
 
 refresh_feeds(PG_DB, logger, config.feed_threads)
@@ -108,12 +118,8 @@ if config.statistics_enabled
   spawn do
     loop do
       statistics = {
-        "version"  => "2.0",
-        "software" => {
-          "name"    => "invidious",
-          "version" => "#{CURRENT_VERSION}-#{CURRENT_COMMIT}",
-          "branch"  => "#{CURRENT_BRANCH}",
-        },
+        "version"           => "2.0",
+        "software"          => SOFTWARE,
         "openRegistrations" => config.registration_enabled,
         "usage"             => {
           "users" => {