Get Started from README skipping generated commits

When determining a history’s initial commit to navigate to from the README landing page, skip all commits whose subjects are prefixed with [GENERATED] or [SKIP].

lib/models/commit.rb

diff --git a/lib/models/commit.rb b/lib/models/commit.rb
index 196b928..3ade330 100644
--- a/lib/models/commit.rb
+++ b/lib/models/commit.rb
@@ -36,6 +36,10 @@ class Commit < SimpleDelegator
     end
   end
 
+  def skip?
+    generated? || subject.start_with?("[SKIP]")
+  end
+
   private
 
   def files_in_tree(node:, parents: [])

lib/models/history.rb

diff --git a/lib/models/history.rb b/lib/models/history.rb
index 3b0fbeb..8dd42ba 100644
--- a/lib/models/history.rb
+++ b/lib/models/history.rb
@@ -12,7 +12,7 @@ class History
   end
 
   def initial_commit
-    commits.first
+    commits.reject(&:skip?).first || commits.first
   end
 
   def commits

source/layouts/layout.erb

diff --git a/source/layouts/layout.erb b/source/layouts/layout.erb
index 6940690..126e356 100644
--- a/source/layouts/layout.erb
+++ b/source/layouts/layout.erb
@@ -18,19 +18,27 @@
       </h1>
 
       <nav class="flex flex-grow justify-between items-center border-t p-3 fixed inset-x-0 bottom-0 bg-white z-10 md:px-4 md:py-0 md:bg-transparent md:border-0 md:relative">
-        <% parent, _, child = adjacent_commits(history.commits, commit: commit) %>
+        <% if defined?(contents) %>
+          <span class="flex-grow"><!-- ensure the links are pushed to the container's extremes --></span>
 
-        <% if parent.present? %>
-          <% current_link_to commit_path(parent) do %>
-            &#8592; Previous
+          <% link_to commit_path(history.initial_commit) do %>
+            Get Started &#8594;
           <% end %>
-        <% end %>
+        <% else %>
+          <% parent, _, child = adjacent_commits(history.commits, commit: commit) %>
 
-        <span class="flex-grow"><!-- ensure the links are pushed to the container's extremes --></span>
+          <% if parent.present? %>
+            <% current_link_to commit_path(parent) do %>
+              &#8592; Previous
+            <% end %>
+          <% end %>
 
-        <% if child.present? %>
-          <% current_link_to commit_path(child) do %>
-            Next &#8594;
+          <span class="flex-grow"><!-- ensure the links are pushed to the container's extremes --></span>
+
+          <% if child.present? %>
+            <% current_link_to commit_path(child) do %>
+              Next &#8594;
+            <% end %>
           <% end %>
         <% end %>
       </nav>

test/system/visitor_views_readme_test.rb

diff --git a/test/system/visitor_views_readme_test.rb b/test/system/visitor_views_readme_test.rb
index d7ca58e..71307c8 100644
--- a/test/system/visitor_views_readme_test.rb
+++ b/test/system/visitor_views_readme_test.rb
@@ -19,6 +19,24 @@ class VisitorViewsReadmeTest < ApplicationSystemTestCase
     end
   end
 
+  test "visitor navigates to initial commit from README" do
+    stage_file("README.md", "The README")
+    commit(<<~MARKDOWN)
+      Initial Commit
+      ===
+
+      The first commit
+    MARKDOWN
+
+    with_git_repository do |directory|
+      visit root_path
+      click_on "Get Started"
+
+      assert_selector "h1", text: "Initial Commit"
+      assert_selector "p", text: "The first commit"
+    end
+  end
+
   test "visitor navigates to README from another page" do
     stage_file("README.md", "The README")
     commit("Initial Commit")
@@ -34,4 +52,22 @@ class VisitorViewsReadmeTest < ApplicationSystemTestCase
       assert_text "The README"
     end
   end
+
+  test "link to GET STARTED from the README skips [GENERATED] and [SKIP] commits" do
+    stage_file("README.md", "The README")
+    commit("[SKIP] First Commit")
+    stage_file("ignored.txt", "ignore me")
+    commit("[GENERATED] Second commit")
+    stage_file("included.txt", "included text")
+    commit("Third commit")
+
+    with_git_repository do |directory|
+      visit root_path
+      click_on "Get Started"
+
+      assert_no_text "The README"
+      assert_no_text "ignore me"
+      assert_text "included text"
+    end
+  end
 end