Expand commit message width in repo view

CHANGELOG

@@ -8,6 +8,7 @@ v 8.11.0 (unreleased)
   - Fix CI status icon link underline (ClemMakesApps)
   - The Repository class is now instrumented
   - Cache the commit author in RequestStore to avoid extra lookups in PostReceive
+  - Expand commit message width in repo view (ClemMakesApps)
   - Fix of 'Commits being passed to custom hooks are already reachable when using the UI'
   - Add support for using RequestStore within Sidekiq tasks via SIDEKIQ_REQUEST_STORE env variable
   - Optimize maximum user access level lookup in loading of notes

app/assets/stylesheets/pages/tree.scss

@@ -58,6 +58,10 @@
     .tree_commit {
       max-width: 320px;
+
+      .str-truncated {
+        max-width: 100%;
+      }
     }
     .tree_time_ago {

app/models/commit.rb

@@ -123,15 +123,17 @@ class Commit
   # In case this first line is longer than 100 characters, it is cut off
   # after 80 characters and ellipses (`&hellp;`) are appended.
   def title
-    title = safe_message
-    return no_commit_message if title.blank?
-    title_end = title.index("\n")
-    if (!title_end && title.length > 100) || (title_end && title_end > 100)
-      title[0..79] << "…"
+    full_title.length > 100 ? full_title[0..79] << "…" : full_title
+  end
+  # Returns the full commits title
+  def full_title
+    return @full_title if @full_title
+    if safe_message.blank?
+      @full_title = no_commit_message
     else
-      title.split("\n", 2).first
+      @full_title = safe_message.split("\n", 2).first
     end
   end

app/views/projects/tree/_tree_commit_column.html.haml

 %span.str-truncated
-  = link_to_gfm commit.title, namespace_project_commit_path(@project.namespace, @project, commit.id), class: "tree-commit-link"
+  = link_to_gfm commit.full_title, namespace_project_commit_path(@project.namespace, @project, commit.id), class: "tree-commit-link"

spec/models/commit_spec.rb

@@ -86,6 +86,27 @@ eos
     end
   end
+  describe '#full_title' do
+    it "returns no_commit_message when safe_message is blank" do
+      allow(commit).to receive(:safe_message).and_return('')
+      expect(commit.full_title).to eq("--no commit message")
+    end
+
+    it "returns entire message if there is no newline" do
+      message = 'Lorem ipsum dolor sit amet, consectetur adipiscing elit. Donec sodales id felis id blandit. Vivamus egestas lacinia lacus, sed rutrum mauris.'
+
+      allow(commit).to receive(:safe_message).and_return(message)
+      expect(commit.full_title).to eq(message)
+    end
+
+    it "returns first line of message if there is a newLine" do
+      message = commit.safe_message.split(" ").first
+
+      allow(commit).to receive(:safe_message).and_return(message + "\n" + message)
+      expect(commit.full_title).to eq(message)
+    end
+  end
+
   describe "delegation" do
     subject { commit }