Link to current commit in footer

app/views/layouts/application.html.erb

@@ -32,7 +32,8 @@
     <footer>
       <div class="container">
         <p>
-          Build <%= Rails.application.config.git_version %> from <%= time_ago_in_words(Rails.application.config.server_start_time) %> ago.
+          Build <%= link_to Rails.application.config.git_version, Rails.application.config.commit_link %>
+          from <%= time_ago_in_words(Rails.application.config.server_start_time) %> ago.
           <%= pluralize(Heartbeat.cached_recent_count, 'heartbeat') %> in the last 24 hours.
           (DB: <%= pluralize(QueryCount::Counter.counter, "query") %>, <%= QueryCount::Counter.counter_cache %> cached)
           (CACHE: <%= cache_stats[:hits] %> hits, <%= cache_stats[:misses] %> misses)

config/initializers/git_version.rb

@@ -1,15 +1,22 @@
 # Get the first 6 characters of the current git commit hash
-git_hash = ENV["SOURCE_COMMIT"]&.[](0..5) ||
-           `git rev-parse HEAD`.strip[0..5] rescue "unknown"
+git_hash = ENV["SOURCE_COMMIT"] || `git rev-parse HEAD` rescue "unknown"
+
+commit_link = git_hash != "unknown" ? "https://github.com/hackclub/harbor/commit/#{git_hash}" : nil
+
+short_hash = git_hash[0..7]
+
+commit_count = `git rev-list --count HEAD`.strip rescue 0
 
 # Check if there are any uncommitted changes
 is_dirty = `git status --porcelain`.strip.length > 0 rescue false
 
 # Append "-dirty" if there are uncommitted changes
-version = is_dirty ? "#{git_hash}-dirty" : git_hash
+version = is_dirty ? "#{short_hash}-dirty" : short_hash
 
 # Store server start time
 Rails.application.config.server_start_time = Time.current
 
 # Store the version
 Rails.application.config.git_version = version
+Rails.application.config.git_commit_count = commit_count
+Rails.application.config.commit_link = commit_link