Merge pull request #19 from bigladder/update-readme

Fix for creating web docs in detached HEAD state

.github/workflows/build-web.yaml

@@ -1,6 +1,9 @@
 name: Web Documentation
 
-on: push
+on:
+  release:
+    types:
+      - created
 
 jobs:
   build:

lattice/docs/hugo_web.py

@@ -72,7 +72,10 @@ def get_git_info(self):
     self.git_repo_name = git_url_parts[-1]
     self.git_repo_owner = git_url_parts[-2]
     self.git_repo_host = os.path.splitext(git_url_parts[-3])[0]
-    self.git_branch_name = self.git_repo.active_branch.name
+    if self.git_repo.head.is_detached:
+      self.git_ref_name = "main"
+    else:
+      self.git_ref_name = self.git_repo.head.ref.name
     self.base_url = fr"https://{self.git_repo_owner}.{self.git_repo_host}.io/{self.git_repo_name}/"
 
   def make_pages(self):
@@ -285,7 +288,7 @@ def make_hugo_config(self):
       "params": {
         "copyright": self.author,
         "github_repo": self.git_remote_url,
-        "github_branch": self.git_branch_name,
+        "github_branch": self.git_ref_name,
         "ui": {
           "navbar_logo": self.has_logo,
           "breadcrumb_disable": True