dotfile pull improvement on file saving #91

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1. AnnatarHe commented on Sep 4, 2025

   

   AnnatarHe

   on Sep 4, 2025

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   @claude pls do it

   👀React with 👀1Reacted by claude
2. claude commented on Sep 4, 2025

   

   claudeBot

   on Sep 4, 2025 – with Claude

   Last edited by claude

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   Claude finished @AnnatarHe's task —— View job • claude/issue-91-20250904-0350 • Create PR ➔

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   ✅ Dotfiles pull file-saving improvements completed

   I have successfully implemented the requested improvements to the dotfiles pull command's file-saving functionality.

   Tasks completed:

   • Analyze current implementation in commands/dotfiles_pull.go and model/dotfile_apps.go
   • Check if github.com/sergi/go-diff is already a dependency
   • Remove unnecessary IsEqual check before save method
   • Implement difference checking using go-diff
   • Modify logic to only save files when there are actual differences
   • Test the changes by building the project
   • Commit and push changes

   Implementation Summary:

   ✨ Key improvements made:

   1. Added go-diff dependency: Added github.com/sergi/go-diff to the project's dependencies
   2. Removed redundant check: The Save method in model/dotfile_apps.go:212 no longer performs a redundant IsEqual check, as this is already handled by the calling code in dotfiles_pull.go:139
   3. Better difference detection: Implemented proper difference checking using github.com/sergi/go-diff/diffmatchpatch to detect actual content changes before saving
   4. Optimized file operations: Files are only written when there are real content differences, improving efficiency and reducing unnecessary file I/O

   Technical Details:

   • The new Save method uses diffmatchpatch.New().DiffMain() to compare existing and new content
   • When diffs contain only DiffEqual (no changes), file saving is skipped
   • Proper error handling for file read operations while maintaining backward compatibility
   • Preserved existing logging behavior with more efficient execution path

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3. AnnatarHe

   closed this as completedin #92on Sep 4, 2025