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Subtask 1-2 Completion Summary

Task

Implement command extraction for /merge, /resolve, /process

Status

✅ COMPLETED

What Was Done

The command extraction logic was already fully implemented in apps/backend/runners/github/command_parser.py from the previous session:

Implementation Details

  1. Regex Pattern Matching

    • COMMAND_PATTERN = re.compile(r"/(\w+)(?:\s+([^\n]*?))?(?=\s|$|/)")
    • Matches commands starting with / prefix
    • Captures command name and optional arguments
    • Stops at whitespace, end of string, or next command

  2. Command Extraction (parse() method)

    • Iterates through all regex matches in the input text
    • Extracts command type, arguments, position, and raw text
    • Filters out unsupported commands gracefully
    • Returns list of Command objects in order of appearance

  3. Argument Parsing (_parse_args() method)

    • Splits arguments on whitespace
    • Filters empty strings
    • Returns clean list of argument strings

Supported Commands

  • /merge [branch] - Merge specified branch or current PR
  • /resolve [args...] - Attempt to resolve dependency conflicts
  • /process [args...] - Process/reply to outstanding comments

Verification Tests Passed

All verification tests passed successfully:

# Test 1: /merge with argument
parser.parse('/merge main')
# → [Command(type='merge', args=['main'], position=0, raw_text='/merge main')]

# Test 2: /resolve without argument
parser.parse('/resolve')
# → [Command(type='resolve', args=[], position=0, raw_text='/resolve')]

# Test 3: /process without argument
parser.parse('/process')
# → [Command(type='process', args=[], position=0, raw_text='/process')]

# Test 4: Multiple commands in one comment
parser.parse('Please /merge and then /resolve dependencies')
# → [Command(type='merge', ...), Command(type='resolve', args=['dependencies'], ...)]

# Test 5: Unknown commands are ignored
parser.parse('/unknown')
# → []

# Test 6: Verification from task description
'merge' in str(parser.parse('/merge main'))
# → True

Files Modified

  • apps/backend/runners/github/command_parser.py (already implemented)

No Commit Required

The implementation was already complete from the previous session. No new code changes were needed.

Updated Plan Status

  • ✅ Subtask 1-1: Create command_parser.py module with base structure (COMPLETED)
  • ✅ Subtask 1-2: Implement command extraction for /merge, /resolve, /process (COMPLETED)
  • ⏳ Subtask 1-3: Add edge case handling (PENDING)

Next Steps

Proceed to subtask-1-3: Add edge case handling (empty input, malformed commands, special chars)