Add completer to ensure rStart is passed after pty init

[Lutra-Fs]

Pull Request Details

What issue does this PR address

• [A one line description of this PR]

• Link to associated issue: [WINDOWS] On startup from the zip distrubtion main.R is not run #264

Checklist

Complete the check-list below to ensure your branch is ready for PR.

Flutter Style Guide: https://survivor.togaware.com/gnulinux/flutter-style.html

• Screenshots included in linked issue
• Changes adhere to the style and coding guideline
• No confidential information
• No duplicated content
• No lint check errors related to your changes (make prep or flutter analyze lib)
• Pre-exisiting lint errors noted: [HERE]
• Integration test make qtest.tmp screenshot included in issue
• Tested on device:
  • Linux
  • MacOS
  • Windows
• Added two reviewers

Finalising

Once PR discussion is complete and reviewers have approved:

• Merge dev into the branch
• Resolve any conflicts
• Add one line summary into CHANGELOG.md
• Bump appropriate version number in pubspec.yaml
• Push to git repository and review
• Merge PR into dev (gjwgit)

[Lutra-Fs]

I hope that the code will not affect other platforms. Please do extra testing if okay.

[gjwgit]

This update did not seem to fix the problem for me on my Windows test machine. Reverting the PR

[Lutra-Fs]

This update did not seem to fix the problem for me on my Windows test machine. Reverting the PR

What do you observed? Is that the restart passed to the PTY before the PTY initialized? If possible pls debug print the pty input and attached in the issue comment. Or are you on release build?

[Lutra-Fs]

I’m currently at the university and was wondering if we could squeeze in a quick meeting around 2:30 p.m. to go over the issue on your Windows env. No worries if that doesn’t work for you though! @gjwgit

[Lutra-Fs]

Have recorded a video. But due to limited bandwidth in uni I am unable to upload it now

[gjwgit]

On startup I see the R initial and waiting for code but no code.