feat: add configurable file ignore patterns

[rm-hull]

Introduce a .gitcommitsummaryignore system to exclude files from git diffs. Exclusions are resolved from multiple locations (default, home, XDG config, and project root) to provide better control over what is analyzed by the LLM.

graph LR
    A[Default Patterns] --> D(Exclusion Resolver)
    B[~/.gitcommitsummaryignore] --> D
    C[./.gitcommitsummaryignore] --> D
    D --> E{Git Diff Args}
    E --> F[Excluded Files]

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[github-actions]

	Tests	Passed ✅	Skipped	Failed
JUnit Test Report	67 ran	67 passed	0 skipped	0 failed

Test	Result
JUnit Test Report
com/rm-hull/git-commit-summary/internal/config.TestLoad/Defaults	✅ passed
com/rm-hull/git-commit-summary/internal/config.TestLoad/WithEnvironmentVariables	✅ passed
com/rm-hull/git-commit-summary/internal/config.TestLoad	✅ passed
com/rm-hull/git-commit-summary/internal/config.Test_updateProperties/handle_empty_quoted_strings	✅ passed
com/rm-hull/git-commit-summary/internal/config.Test_updateProperties/empty_file,_add_new_properties	✅ passed
com/rm-hull/git-commit-summary/internal/config.Test_updateProperties/existing_file,_update_properties	✅ passed
com/rm-hull/git-commit-summary/internal/config.Test_updateProperties/doesnt_overwrite_values_if_new_value_is_the_same	✅ passed
com/rm-hull/git-commit-summary/internal/config.Test_updateProperties/existing_file,_add_new_and_update_existing	✅ passed
com/rm-hull/git-commit-summary/internal/config.Test_updateProperties/preserve_comments_and_other_lines	✅ passed
com/rm-hull/git-commit-summary/internal/config.Test_updateProperties/handle_mixed_quoting_styles	✅ passed
com/rm-hull/git-commit-summary/internal/config.Test_updateProperties/empty_props,_no_changes	✅ passed
com/rm-hull/git-commit-summary/internal/config.Test_updateProperties/properties_with_special_characters	✅ passed
com/rm-hull/git-commit-summary/internal/config.Test_updateProperties	✅ passed
com/rm-hull/git-commit-summary/internal/git.TestClient_prepareCommitMessage/Single_line_message_with_skipCI	✅ passed
com/rm-hull/git-commit-summary/internal/git.TestClient_prepareCommitMessage/Multi-line_message_with_skipCI	✅ passed
com/rm-hull/git-commit-summary/internal/git.TestClient_prepareCommitMessage/Single_line_message_without_skipCI	✅ passed
com/rm-hull/git-commit-summary/internal/git.TestClient_prepareCommitMessage/Multi-line_message_without_skipCI	✅ passed
com/rm-hull/git-commit-summary/internal/git.TestClient_prepareCommitMessage/Empty_message_with_skipCI	✅ passed
com/rm-hull/git-commit-summary/internal/git.TestClient_prepareCommitMessage	✅ passed
com/rm-hull/git-commit-summary/internal/git.TestProjectGitCommitSummaryIgnore	✅ passed
com/rm-hull/git-commit-summary/internal/git.TestUserHomeGitCommitSummaryIgnore	✅ passed
com/rm-hull/git-commit-summary/internal/git.TestValidateIgnorePattern_InvalidGlob	✅ passed
com/rm-hull/git-commit-summary/internal/git.TestDedupeExclusions	✅ passed
com/rm-hull/git-commit-summary/internal/llm_provider.TestNewProvider/GoogleProvider	✅ passed
com/rm-hull/git-commit-summary/internal/llm_provider.TestNewProvider/OpenAIProvider	✅ passed
com/rm-hull/git-commit-summary/internal/llm_provider.TestNewProvider/UnknownProvider	✅ passed
com/rm-hull/git-commit-summary/internal/llm_provider.TestNewProvider	✅ passed
com/rm-hull/git-commit-summary/internal/ui.TestHistory/NewHistory	✅ passed
com/rm-hull/git-commit-summary/internal/ui.TestHistory/Add_and_Value	✅ passed
com/rm-hull/git-commit-summary/internal/ui.TestHistory/Undo	✅ passed
com/rm-hull/git-commit-summary/internal/ui.TestHistory/Redo	✅ passed
com/rm-hull/git-commit-summary/internal/ui.TestHistory/Undo_at_beginning	✅ passed
com/rm-hull/git-commit-summary/internal/ui.TestHistory/Redo_at_end	✅ passed
com/rm-hull/git-commit-summary/internal/ui.TestHistory/Add_truncates_future_history	✅ passed
com/rm-hull/git-commit-summary/internal/ui.TestHistory/Multiple_Undos_and_Redos	✅ passed
com/rm-hull/git-commit-summary/internal/ui.TestHistory	✅ passed
com/rm-hull/git-commit-summary/internal/ui.TestModel_Update/tea.KeyMsg_-_CtrlC_in_showSpinner_state	✅ passed
com/rm-hull/git-commit-summary/internal/ui.TestModel_Update/tea.KeyMsg_-_CtrlC_in_other_states	✅ passed
com/rm-hull/git-commit-summary/internal/ui.TestModel_Update/gitCheckMsg_-_empty_(no_staged_changes)	✅ passed
com/rm-hull/git-commit-summary/internal/ui.TestModel_Update/gitCheckMsg_-_non-empty_(staged_changes)	✅ passed
com/rm-hull/git-commit-summary/internal/ui.TestModel_Update/gitDiffMsg_with_hint	✅ passed
com/rm-hull/git-commit-summary/internal/ui.TestModel_Update/llmResultMsg_-_with_user_message	✅ passed
com/rm-hull/git-commit-summary/internal/ui.TestModel_Update/llmResultMsg_-_without_user_message	✅ passed
com/rm-hull/git-commit-summary/internal/ui.TestModel_Update/commitMsg	✅ passed
com/rm-hull/git-commit-summary/internal/ui.TestModel_Update/regenerateMsg_-_initializes_promptView_with_current_hint	✅ passed
com/rm-hull/git-commit-summary/internal/ui.TestModel_Update/userResponseMsg_-_updates_m.hint	✅ passed
com/rm-hull/git-commit-summary/internal/ui.TestModel_Update/cancelRegenPromptMsg_-_re-enables_help_text	✅ passed
com/rm-hull/git-commit-summary/internal/ui.TestModel_Update/errMsg	✅ passed
com/rm-hull/git-commit-summary/internal/ui.TestModel_Update/abortMsg	✅ passed
com/rm-hull/git-commit-summary/internal/ui.TestModel_Update/spinner.Update_for_showSpinner_state	✅ passed
com/rm-hull/git-commit-summary/internal/ui.TestModel_Update/commitView.Update_for_showCommitView_state	✅ passed
com/rm-hull/git-commit-summary/internal/ui.TestModel_Update/promptView.Update_for_showRegeneratePrompt_state	✅ passed
com/rm-hull/git-commit-summary/internal/ui.TestModel_Update/llmResultMsg_-_YOLO_mode	✅ passed
com/rm-hull/git-commit-summary/internal/ui.TestModel_Update/llmResultMsg_-_YOLO_mode_-_empty_summary	✅ passed
com/rm-hull/git-commit-summary/internal/ui.TestModel_Update/gitDiffMsg_-_includes_recent_commits_in_prompt	✅ passed
com/rm-hull/git-commit-summary/internal/ui.TestModel_Update	✅ passed
com/rm-hull/git-commit-summary/internal/ui.TestTrimTrailingSpaces/no_trailing_spaces	✅ passed
com/rm-hull/git-commit-summary/internal/ui.TestTrimTrailingSpaces/trailing_spaces_on_some_lines	✅ passed
com/rm-hull/git-commit-summary/internal/ui.TestTrimTrailingSpaces/tabs_and_carriage_returns	✅ passed
com/rm-hull/git-commit-summary/internal/ui.TestTrimTrailingSpaces/empty_string	✅ passed
com/rm-hull/git-commit-summary/internal/ui.TestTrimTrailingSpaces/single_line_with_space	✅ passed
com/rm-hull/git-commit-summary/internal/ui.TestTrimTrailingSpaces	✅ passed
com/rm-hull/git-commit-summary/internal/version.TestCheckLatestReturnsLatestWhenNewer	✅ passed
com/rm-hull/git-commit-summary/internal/version.TestCheckLatestReturnsEmptyWhenUpToDate	✅ passed
com/rm-hull/git-commit-summary/internal/version.TestCheckLatestReturnsEmptyForDevel	✅ passed
com/rm-hull/git-commit-summary/internal/version.TestCheckLatestWithRevSuffix	✅ passed
com/rm-hull/git-commit-summary/internal/version.TestCheckLatestWithRevSuffixAndUpToDate	✅ passed

• View JUnit Test Report

[gemini-code-assist]

Code Review

This pull request refactors the git exclusion logic by moving hardcoded ignore patterns into a separate .gitcommitsummaryignore file and adding support for loading custom ignore patterns from the project directory, user home directory, and XDG config directory. The feedback suggests several key improvements: using xdg.SearchConfigFile to avoid creating empty directories, stopping the directory traversal when an empty ignore file is found, and utilizing Go's testing utilities (t.Setenv and t.Chdir) to prevent test pollution and ensure cross-platform compatibility.

Important

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[coveralls]

Coverage Report for CI Build 28711369180

Warning

No base build found for commit dfc6db0 on main.
Coverage changes can't be calculated without a base build.
If a base build is processing, this comment will update automatically when it completes.

Coverage: 30.301%

Details

• Patch coverage: 46 uncovered changes across 2 files (34 of 80 lines covered, 42.5%).

Uncovered Changes

File	Changed	Covered	%
internal/git/exclusions.go	77	34	44.16%
internal/git/client.go	3	0	0.0%

Coverage Regressions

Requires a base build to compare against. How to fix this →

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Coverage Stats

Relevant Lines:	1495
Covered Lines:	453
Line Coverage:	30.3%
Coverage Strength:	0.33 hits per line

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💛 - Coveralls