I'm writing a github action that generates some content on the side. It contains the following step:
- name: Generate a client-side redirect on the index page
run: sed -i '19i\ <meta http-equiv="refresh" content="0;URL='https://casey-hofland.github.io/UnityClock/manual/'">' _site/index.html
This github action needs to be generic, so I need to change this line: URL='https://casey-hofland.github.io/UnityClock/manual/' To something like: URL='{{ $GITHUB_PAGES_URL }}manual/'
I've looked through the default environment variables and haven't found anything like it, is there any way for me to retrieve the link?
Note: it still has to work when people are using a custom github pages link, so doing some wizardry like {{ $GITHUB_ACCOUNT_NAME }}/{{ $GITHUB_REPO_NAME }} is not an option.
Bonus:
I'm kind of a github actions / bash noob so any tips on how to implement a variable inside my sed -i command would be appreciated as well.
A GitHub Pages site is available via the APIs, for example REST (see the docs). You can get it in a run step using the GitHub CLI:
- name: Generate redirect
env:
GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
run: |
url=$(gh api "repos/$GITHUB_REPOSITORY/pages" --jq '.html_url')
sed -i '19i\
<meta http-equiv="refresh" content="0;URL='"$url"manual/'">
' _site/index.html
This takes into consideration everything like protocol and custom domain names.
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