ctrl+c handling in core/commandline

kathiouchka commented 2 weeks ago

Description Simply Integrated grepitle code after working a few hours on testing it without success - more details in comments

Fixes #2779

Summary by CodeRabbit

New Features
- Enhanced signal handling for better interruption management during command execution.

coderabbitai[bot] commented 2 weeks ago

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Ignored keywords (2)
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Walkthrough

The changes in the core/commandline module focus on improving signal handling, specifically enhancing the capability to respect Ctrl+C interrupts (SIGINT). This involves reordering and adding imports, introducing a context with cancellation capabilities, and modifying how signals are handled. Additionally, new tests were implemented to ensure the reliability of this feature.

Changes

Files	Change Summary
`core/commandline/shell.go`	Reordered and added imports; updated context creation; enhanced `SIGINT` and `SIGTERM` signal handling.
`core/commandline/shell_test.go`	Created new tests for signal handling in CLI application using `urfave/cli`.

Sequence Diagram(s)

sequenceDiagram
    participant User
    participant CLI Application
    participant OS

    User->>CLI Application: Execute command
    CLI Application-->>CLI Application: Context with cancel
    OS->>CLI Application: Send SIGINT (Ctrl+C)
    CLI Application-->>CLI Application: Cancel context
    CLI Application->>User: Prompt for new command

Assessment against linked issues

Objective	Addressed	Explanation
Modify `core/commandline` to respect Ctrl+C (2779)	✅

Poem

In the land of code, where commands do tread,
The signals are tamed, no more dread.
With Ctrl+C in hand, users rejoice,
The shell now listens to your mighty voice.
Interrupt, restart, as you wish, so true,
The command line now belongs to you. 🎉

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codecov[bot] commented 2 weeks ago

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 25.67840%. Comparing base (239a996) to head (e37c038). Report is 3 commits behind head on master.

:exclamation: Current head e37c038 differs from pull request most recent head 20b59de

Please upload reports for the commit 20b59de to get more accurate results.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #2788 +/- ## =================================================== + Coverage 25.66686% 25.67840% +0.01154% =================================================== Files 699 699 Lines 51510 51518 +8 Branches 80 80 =================================================== + Hits 13221 13229 +8 + Misses 36939 36938 -1 - Partials 1350 1351 +1 ``` | [Flag](https://app.codecov.io/gh/synapsecns/sanguine/pull/2788/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=synapsecns) | Coverage Δ | | |---|---|---| | [rfq](https://app.codecov.io/gh/synapsecns/sanguine/pull/2788/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=synapsecns) | `27.12163% <ø> (+0.09831%)` | :arrow_up: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=synapsecns#carryforward-flags-in-the-pull-request-comment) to find out more.

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kathiouchka commented 2 weeks ago

I've attempted to test the code generated by greptile in the issue using multiple tests:

Client Test: I created a custom client, ran the shell, executed a sleep command, and tried to interrupt it using both a manual Ctrl+C and a SIGINT sent through the test code. Unfortunately, none of these methods successfully terminated the sleep command. This led me to suspect a problem with my shell, but when I conducted the same tests outside of the generated shell, they worked correctly, indicating the issue lies within the generated shell itself.

Direct Signal Test: I also tried sending signals directly from a main program to the generated shell. Running this manually also failed to deliver the signal to the spawned shell.

I hope my failures can help you. @golangisfun123

synapsecns / sanguine