/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:
     code

     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