This PR addresses several inconsistencies in the PowerShell scripts within the scripts/ folder that were causing confusion for developers and reducing code maintainability.

Issues Fixed

1. Incorrect Script References in Help Documentation

The update.ps1 script contained multiple references to build.ps1 in its help documentation:

• UnblockFile .\build.ps1 → UnblockFile .\update.ps1
• Example commands showing .\build.ps1 and .\build -verbose → .\update.ps1 and .\update.ps1 -verbose

2. Inconsistent Project URL References

Scripts were using different URLs in their help documentation:

• pack.ps1 used: https://github.com/cmderdev/cmder
• build.ps1 and update.ps1 used: http://cmder.app/

All scripts now consistently reference the GitHub project URL.

3. Variable Naming Inconsistencies

The codebase had mixed usage of $cmder_root vs $cmderRoot. Standardized on $cmder_root (underscore notation) for consistency across all scripts while preserving the $cmderRoot parameter in pack.ps1 for backward compatibility.

4. Error Handling Pattern Inconsistencies

Some utility functions used Write-Error followed by exit 1 while others used throw statements. Updated the Ensure-Exists and Ensure-Executable functions to use throw for consistency with PowerShell best practices and the rest of the codebase.

5. Additional Documentation Fix

Fixed an inconsistent example in build.ps1 that showed .\build -verbose instead of .\build.ps1 -verbose.

Testing

• ✅ All PowerShell scripts pass syntax validation
• ✅ Help documentation displays correctly for all scripts
• ✅ Scripts load without errors
• ✅ No breaking changes to existing functionality

The changes are minimal and surgical, focusing only on consistency improvements without altering core functionality.

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