Merge pull request #2 from textbook/configurable-branch

Allow env var to override deployment branch

README.md

@@ -10,6 +10,10 @@ Please ensure a `requirements.txt` is present for your site and installs
   - `GIT_DEPLOY_KEY`: provide the private key for a [deploy key][1]
     - *WARNING*, this should be considered deprecated. A future version of this action will use the `GITHUB_TOKEN` secret instead.
 
+## Environment variables
+
+  - `GH_PAGES_BRANCH` (optional): override the default `gh-pages` deployment branch
+
 ## History
 
 Extracted from https://github.com/desertpy/desertpy-pelican.

entrypoint.sh

@@ -18,7 +18,7 @@ echo '=================== Publish to GitHub Pages ==================='
 cd output
 # shellcheck disable=SC2012
 remote_repo="[email protected]:${GITHUB_REPOSITORY}.git"
-remote_branch="gh-pages"
+remote_branch=${GH_PAGES_BRANCH:=gh-pages}
 git init
 git remote add deploy "$remote_repo"
 git checkout $remote_branch || git checkout --orphan $remote_branch