Add link to GitHub release/tag/commit in footer (#4702)

* Add link to GitHub release/tag/commit in footer

* Only show tag if there is one

Co-authored-by: syeopite <[email protected]>

---------

Co-authored-by: syeopite <[email protected]>

Author: shaedrich

src/invidious.cr

@@ -84,6 +84,7 @@ HTTP_CHUNK_SIZE            = 10485760 # ~10MB
 CURRENT_BRANCH  = {{ "#{`git branch | sed -n '/* /s///p'`.strip}" }}
 CURRENT_COMMIT  = {{ "#{`git rev-list HEAD --max-count=1 --abbrev-commit`.strip}" }}
 CURRENT_VERSION = {{ "#{`git log -1 --format=%ci | awk '{print $1}' | sed s/-/./g`.strip}" }}
+CURRENT_TAG     = {{ "#{`git tag --points-at HEAD`.strip}" }}
 
 # This is used to determine the `?v=` on the end of file URLs (for cache busting). We
 # only need to expire modified assets, so we can use this to find the last commit that changes

src/invidious/views/template.ecr

@@ -150,7 +150,24 @@
                             <i class="icon ion-ios-wallet"></i>
                             <a href="https://invidious.io/donate/"><%= translate(locale, "footer_donate_page") %></a>
                         </span>
-                        <span><%= translate(locale, "Current version: ") %> <%= CURRENT_VERSION %>-<%= CURRENT_COMMIT %> @ <%= CURRENT_BRANCH %></span>
+                        <span>
+                            <%= translate(locale, "Current version: ") %>
+                            <% if CONFIG.modified_source_code_url %>
+                                <a href="<%= CONFIG.modified_source_code_url %>/commit/<%= CURRENT_COMMIT %>"><%= CURRENT_VERSION %>-<%= CURRENT_COMMIT %></a>
+                            <% else %>
+                                <a href="https://github.com/iv-org/invidious/commit/<%= CURRENT_COMMIT %>"><%= CURRENT_VERSION %>-<%= CURRENT_COMMIT %></a>
+                            <% end %>
+                            @ <%= CURRENT_BRANCH %>
+                            <% if CURRENT_TAG != "" %>
+                            (                                
+                                <% if CONFIG.modified_source_code_url %>
+                                    <a href="<%= CONFIG.modified_source_code_url %>/releases/tag/<%= CURRENT_TAG %>"><%= CURRENT_TAG %></a>
+                                <% else %>
+                                    <a href="https://github.com/iv-org/invidious/releases/tag/<%= CURRENT_TAG %>"><%= CURRENT_TAG %></a>
+                                <% end %>
+                            )
+                            <% end %>
+                        </span>
                     </div>
                 </div>
             </footer>