fatal: invalid reference: origin/gh-pages; exit status 128

[Kerwood]

When running the chart releaser action I get the following error.

...
Releasing charts...
Updating charts repo index...
cr index -o Kerwood -r helm-charts --push   # <---- Added this "echo" line to see what arguments was used.
Loading index file from git repository .cr-index/index.yaml
fatal: invalid reference: origin/gh-pages
Error: exit status 128

I'm not sure what the fatal: invalid reference: origin/gh-pages means but the branch do exist.

$ git branch -r
  origin/HEAD -> origin/main
  origin/gh-pages
  origin/main

Using v1.6.1 of cr.

[Kerwood]

I see that the error is caused by my self.. I am trying to make a centralized helm-chart repo by adding my other application repos as submodules. I forked the chart-releaser-action repo and did a little modification to the lookup_changed_charts() function to find all chart folders in the submodules. See changes here https://github.com/Kerwood/chart-releaser-action/commit/89ebe16f1017a9163016e6db184b5cbf3c04e108

I can replicate the error by

• Cloning my own repo and cd into it.
• Running git submodule update --init --remote --merge to download the submodule repos containing the charts.
• mkdir test
• cd into the submodule folder.
• Running git worktree add --detach ../../test origin/gh-pages

Above produces fatal: invalid reference: origin/gh-pages.

I understand that the issue is not a bug on the cr cli. But any suggestions would be appreciated.

[Kerwood]

The chart-releaser-action seems a bit complex and supports a lot use cases I dont need. I think I will create my own simple chart releaser action that supports my need of submodule/subfolder charts.