evo-maven-patch-generation

Generates and applies unified diff patches for Java Maven build fixes.

Key Functions

• generate_unified_diff(original_text, modified_text, file_path) - Basic unified diff
• make_strict_patch(original_text, modified_text, file_path) - Strict diff with EOF newline handling
• write_patch_file(patch_content, patch_path) - Write patch to disk
• apply_patch_via_git(patch_path, project_dir) - Apply via git apply
• apply_patch_via_patch_command(patch_path, project_dir, strip) - Apply via patch command
• apply_patch(patch_path, project_dir) - Try git apply, fallback to patch
• modify_file_content(file_path, old_text, new_text) - Simple text replacement
• modify_java_source(file_path, modifications) - Apply multiple replacements to Java file
• modify_pom_xml(pom_path, property_changes) - Modify POM properties
• create_travis_fix_patch(travis_path, old_text, new_text, patch_path) - Fix .travis.yml

Usage

import sys
sys.path.insert(0, '/app/environment/skills/evo-maven-patch-generation/scripts')
from utils import (
    make_strict_patch, write_patch_file, apply_patch,
    modify_file_content, create_travis_fix_patch
)

# Fix .travis.yml typo
create_travis_fix_patch('.travis.yml', 'build.pom.xml', 'build-pom.xml', 'patch_1.diff')

# Apply patch
apply_patch('patch_1.diff', '/path/to/project')

Important Notes

• Always use make_strict_patch for git-compatible patches (handles EOF newlines)
• Patch files use standard unified diff format compatible with git apply and patch
• File paths in diffs use a/ and b/ prefixes