Fixes gh-10 : Tests fail on git version v2.26.2

[bicschneider]

Summary by CodeRabbit

• Bug Fixes
  • Enhanced error handling during repository setup with fallback mechanisms.
  • Simplified log messages for clearer and more concise feedback.
  • Improved safety checks to prevent accidental execution errors.

[coderabbitai]

Walkthrough

This pull request updates two shell scripts to improve error handling and simplify log messaging. In _tests.sh, the eval_testcase function now checks for the absence of the git-test.log file to decide whether to generate it, and log outputs no longer include the "INFO:" prefix. The generate_base_repo function uses parameter expansion for safe removal of directories and adds a fallback for git init --bare when the default branch is not set. In git-artifact, the cmd_init function now includes a fallback mechanism for initializing the repository and enhanced handling for potential failures of both git init and git add.

Changes

File(s)	Change Summary
_tests.sh (in eval_testcase, generate_base_repo)	Updates the file existence check for git-test.log, simplifies log message prefixes, uses parameter expansion for safe directory removals, and adds error handling for git init --bare.
git-artifact (in cmd_init)	Introduces extra error handling for git init by falling back to a branch-less init followed by an explicit branch switch, and adds robust error feedback for git add failures.

Sequence Diagram(s)

sequenceDiagram
    participant Tester as Test Runner
    participant Script as _tests.sh Script

    Tester->>Script: Call eval_testcase
    alt "git-test.log" does not exist
        Script->>Script: Generate git-test.log
        Script-->>Tester: Log file created
    else "git-test.log" exists
        Script->>Tester: Output debug message ("Log file available")
    end

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sequenceDiagram
    participant User as Initiator
    participant Script as cmd_init Function
    participant Git as Git Command

    User->>Script: Start repository initialization
    Script->>Git: Execute "git init -b base_branch"
    alt Git init succeeds
        Script->>Git: Execute "git add ."
        alt Git add succeeds
            Script-->>User: Repository initialized
        else Git add fails
            Script-->>User: Output error message and exit
        end
    else Git init fails
        Script->>Git: Execute fallback "git init"
        Script->>Git: Switch branch ("git switch -C base_branch")
        Script->>Git: Execute "git add ."
        alt Git add succeeds
            Script-->>User: Repository initialized
        else Git add fails
            Script-->>User: Output error message and exit
        end
    end

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Poem

Oh, I’m a rabbit with code so neat,
Hopping through scripts with nimble feet.
I watch log files bloom and grow,
With safety checks that steal the show.
A jolly hop for every fix,
CodeRabbit cheers in ASCII mix!
Let's bounce to the rhythm of error-free kicks!

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📜 Recent review details

Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 1fff8f7 and 234c1bb.

📒 Files selected for processing (2)

• _tests.sh (2 hunks)
• git-artifact (2 hunks)

🔇 Additional comments (5)

git-artifact (2)

142-145: Good fallback mechanism for Git initialization.

This change adds a robust fallback mechanism for Git initialization. If the initial command with the -b flag fails (which can happen with older Git versions like v2.26.2 that don't support this flag), it falls back to a standard initialization followed by a branch switch.

---

157-161: Improved error handling for git add operation.

Adding better error reporting for the git add . command is a good practice. The added code properly reports the current directory and provides a clear error message before exiting, which will help with debugging.

_tests.sh (3)

33-37: Good improvement for git-test.log file check.

The modification improves the handling of the git-test.log file check. Now it properly checks if the file exists and is non-empty before deciding whether to generate it, with a helpful debug message.

---

42-43: Simplified log messages.

Removing the "INFO:" prefix from success messages improves readability and makes the logs more concise.

Also applies to: 45-46

---

55-60: Enhanced safety and error handling for repository initialization.

Three important improvements in this segment:

1. Using parameter expansion (${var:?}) for the rm command ensures it only executes when variables are non-empty, preventing accidental deletion of unintended directories
2. Adding a fallback mechanism for git init --bare improves compatibility with older Git versions
3. Using parameter expansion (${default_branch:-main}) throughout provides consistent default values

These changes align well with the fallback mechanism added in the git-artifact file.

✨ Finishing Touches

• 📝 Generate Docstrings

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