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/jj-context - Show Current Context

jj-context

Show current commit status and changes from trunk in jj

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/​jj-context - Show Current Context

Display the current jj working copy status and all changes from trunk.

Instructions

  1. Show current status: Run jj status to see the current working copy status, including:

    • Modified files in the working copy
    • The current commit's parent(s)
    • Any conflicts
  2. Show commits from trunk: Run jj log -r 'trunk()..@' to see all commits between trunk and the current working copy. This shows the commit history of your current work.

  3. Get change overview: Run these commands to understand the scope of changes from trunk:

    • jj diff -r 'trunk()..@' --summary - List of files with change type (modified/​added/​deleted)
    • jj diff -r 'trunk()..@' --stat - Histogram showing lines changed per file
  4. Analyze the changes:

    • For small changes (≤10 files, ≤300 lines total): Run jj diff -r 'trunk()..@' directly to see the full diff
    • For large changes (>10 files or >300 lines): Use the Task tool with subagent_type=Explore to analyze:
      prompt: "Run `jj diff -r 'trunk()..@'` and provide a structured summary: 1) Group changes by directory/​subsystem 2) Describe the key modifications in each area 3) Note any significant additions or deletions. Keep each section brief."
      
  5. Present the context: Display to the user:

    • Current status
    • Commit log from trunk
    • Files changed summary (from --summary)
    • For small diffs: the actual diff; for large diffs: the Task agent's summary

Notes

  • trunk() in jj refers to the main branch (typically main or master)
  • The .. range includes all commits between the two revisions
  • This is useful for understanding the full scope of work before creating a PR or reviewing changes

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