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Fix fixup's false filename detection in hunks containing dashed lines #5004
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            stefanhaller
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abobov:fix-diff-hunk-boundaries-parsing
  
      
      
   
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            Fix fixup's false filename detection in hunks containing dashed lines #5004
                    stefanhaller
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  jesseduffield:master
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abobov:fix-diff-hunk-boundaries-parsing
  
      
      
   
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    The existing diff parser incorrectly treated subsequent lines beginning with "---" as filename headers while processing hunks. This caused corruption when dashed lines appeared within diffs themselves. Restrict filename detection to only occur between hunks.
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    | 
           Looks great, thanks for fixing this.  | 
    
    
  tmeijn 
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This MR contains the following updates: | Package | Update | Change | |---|---|---| | [jesseduffield/lazygit](https://github.com/jesseduffield/lazygit) | minor | `v0.55.1` -> `v0.56.0` | MR created with the help of [el-capitano/tools/renovate-bot](https://gitlab.com/el-capitano/tools/renovate-bot). **Proposed changes to behavior should be submitted there as MRs.** --- ### Release Notes <details> <summary>jesseduffield/lazygit (jesseduffield/lazygit)</summary> ### [`v0.56.0`](https://github.com/jesseduffield/lazygit/releases/tag/v0.56.0) [Compare Source](jesseduffield/lazygit@v0.55.1...v0.56.0) <!-- Release notes generated using configuration in .github/release.yml at v0.56.0 --> #### What's Changed ##### Enhancements 🔥 - Don't break line after footnote symbol in commit messages by [@​stefanhaller](https://github.com/stefanhaller) in [#​4912](jesseduffield/lazygit#4912) - Give better visual feedback when checking out the previous branch by [@​stefanhaller](https://github.com/stefanhaller) in [#​4929](jesseduffield/lazygit#4929) - Add merge menu with conflict resolver by [@​lmnek](https://github.com/lmnek) in [#​4889](jesseduffield/lazygit#4889) - When entering a commit in path filtering mode, select the filtered path by [@​stefanhaller](https://github.com/stefanhaller) in [#​4942](jesseduffield/lazygit#4942) - Document a workaround for using custom pagers on Windows by [@​stefanhaller](https://github.com/stefanhaller) in [#​4941](jesseduffield/lazygit#4941) - Show "Log (x of y)" in the title bar when there is more than one branch log command by [@​stefanhaller](https://github.com/stefanhaller) in [#​4943](jesseduffield/lazygit#4943) - Support multiple pagers by [@​stefanhaller](https://github.com/stefanhaller) in [#​4953](jesseduffield/lazygit#4953) - Add config option gui.skipSwitchWorktreeOnCheckoutWarning by [@​stefanhaller](https://github.com/stefanhaller) in [#​4964](jesseduffield/lazygit#4964) - Add no-ff merge option by [@​stefanhaller](https://github.com/stefanhaller) in [#​4966](jesseduffield/lazygit#4966) ##### Fixes 🔧 - Don't log the git rev-list command that we use for IsBranchMerged by [@​stefanhaller](https://github.com/stefanhaller) in [#​4896](jesseduffield/lazygit#4896) - Hide the cursor when the password prompt is showing by [@​stefanhaller](https://github.com/stefanhaller) in [#​4878](jesseduffield/lazygit#4878) - Update Merge conflicts menu keybinding to use p instead of k by [@​zingazzi](https://github.com/zingazzi) in [#​4934](jesseduffield/lazygit#4934) - Update diff of conflicted file in the main view after conflicts have been resolved by [@​stefanhaller](https://github.com/stefanhaller) in [#​4945](jesseduffield/lazygit#4945) - Don't depend on en\_US locale to be installed by [@​stefanhaller](https://github.com/stefanhaller) in [#​4949](jesseduffield/lazygit#4949) - Fix dropping submodule changes from a commit by [@​stefanhaller](https://github.com/stefanhaller) in [#​4937](jesseduffield/lazygit#4937) - Fix support for Git copy status when status.renames=copies by [@​kapral18](https://github.com/kapral18) in [#​4892](jesseduffield/lazygit#4892) - When pasting multi-line text into a prompt, don't treat the line feeds as "confirm" by [@​stefanhaller](https://github.com/stefanhaller) in [#​4955](jesseduffield/lazygit#4955) - Offer to force-delete a worktree if it contains submodules by [@​stefanhaller](https://github.com/stefanhaller) in [#​4959](jesseduffield/lazygit#4959) - Fix window arrangement when a popup or the search prompt is open by [@​stefanhaller](https://github.com/stefanhaller) in [#​4961](jesseduffield/lazygit#4961) - Fix lazygit getting unresponsive when pasting commits that become empty by [@​stefanhaller](https://github.com/stefanhaller) in [#​4958](jesseduffield/lazygit#4958) - Show a better error message if the temp directory is not writeable by [@​stefanhaller](https://github.com/stefanhaller) in [#​4968](jesseduffield/lazygit#4968) - Avoid auto-stashing when only submodules are out of date by [@​stefanhaller](https://github.com/stefanhaller) in [#​4969](jesseduffield/lazygit#4969) - Use a PTY when using external diff command from git config by [@​brandondong](https://github.com/brandondong) in [#​4983](jesseduffield/lazygit#4983) - Fix fixup's false filename detection in hunks containing dashed lines by [@​abobov](https://github.com/abobov) in [#​5004](jesseduffield/lazygit#5004) ##### Maintenance ⚙️ - Make running with --debug and running integration tests work when built with go 1.25 by [@​stefanhaller](https://github.com/stefanhaller) in [#​4910](jesseduffield/lazygit#4910) - Update go to 1.25 by [@​kyu08](https://github.com/kyu08) in [#​4844](jesseduffield/lazygit#4844) - feat(nix): add comprehensive Nix flake by [@​doprz](https://github.com/doprz) in [#​4826](jesseduffield/lazygit#4826) - Fix normalisedSelectedNodes function by [@​stefanhaller](https://github.com/stefanhaller) in [#​4920](jesseduffield/lazygit#4920) - Add `synchronize` event to the hooks of "Check Required Labels" by [@​kyu08](https://github.com/kyu08) in [#​4974](jesseduffield/lazygit#4974) - Use ignore directive to ignore test files not to be passes to gofumpt by [@​kyu08](https://github.com/kyu08) in [#​4936](jesseduffield/lazygit#4936) ##### Docs 📖 - Fix MoveCommitsToNewBranch description typo by [@​deventon](https://github.com/deventon) in [#​4867](jesseduffield/lazygit#4867) - Wrap long lines in comments in Config.md by [@​stefanhaller](https://github.com/stefanhaller) in [#​4951](jesseduffield/lazygit#4951) - Fix keybinding cheatsheets with regard to pipe characters in key or description by [@​stefanhaller](https://github.com/stefanhaller) in [#​5007](jesseduffield/lazygit#5007) ##### I18n 🌎 - Update translations from Crowdin by [@​stefanhaller](https://github.com/stefanhaller) in [#​5005](jesseduffield/lazygit#5005) #### New Contributors - [@​deventon](https://github.com/deventon) made their first contribution in [#​4867](jesseduffield/lazygit#4867) - [@​zingazzi](https://github.com/zingazzi) made their first contribution in [#​4934](jesseduffield/lazygit#4934) - [@​doprz](https://github.com/doprz) made their first contribution in [#​4826](jesseduffield/lazygit#4826) - [@​lmnek](https://github.com/lmnek) made their first contribution in [#​4889](jesseduffield/lazygit#4889) - [@​kapral18](https://github.com/kapral18) made their first contribution in [#​4892](jesseduffield/lazygit#4892) - [@​abobov](https://github.com/abobov) made their first contribution in [#​5004](jesseduffield/lazygit#5004) **Full Changelog**: <jesseduffield/lazygit@v0.55.1...v0.56.0> </details> --- ### Configuration 📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined). 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Whenever MR becomes conflicted, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this MR and you won't be reminded about this update again. --- - [ ] <!-- rebase-check -->If you want to rebase/retry this MR, check this box --- This MR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate). <!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0MS4xNjkuMSIsInVwZGF0ZWRJblZlciI6IjQxLjE2OS4xIiwidGFyZ2V0QnJhbmNoIjoibWFpbiIsImxhYmVscyI6WyJSZW5vdmF0ZSBCb3QiXX0=-->
  
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PR Description
The existing diff parser incorrectly treated subsequent lines beginning with
---as filename headers while processing hunks. This caused corruption when dashed lines appeared within diffs themselves.Restrict filename detection to only occur between hunks.
This repository https://github.com/abobov/lazygit-fixup-issue demonstrates the issue:
git reset --soft HEAD~<c-f>Find base commit for fixupfatal: no such path ...errorPlease check if the PR fulfills these requirements
go generate ./...)