GitNexus/gitnexus/hooks/claude/session-start.sh
Gergő Magyar 30676685e0
fix(rename): apply the exact reviewed edit plan (#3617)
* fix(rename): bind apply to reviewed plans (U7)

Retain exact semantic edits behind single-use preview tokens and reject
source, target, inventory and graph drift before application. Preserve
explicit partial-write accounting and keep large unedited sources covered
with hashes instead of retained text.

Refs #2973

* fix(rename): cover unindexed sources (U7)

Address PR #3617 review by binding every supported source to streamed byte
hashes and canonical targets, including tracked and untracked files absent
from the graph. Keep the exact reviewed edits and bound evidence memory.

Use conventional even-sample medians and extend the existing CI benchmark
to capture and validate unindexed sources without relaxing timing gates.

Note: pre-existing packed Tree-sitter GLIBCXX_3.4.31 host failure in
parse-cache-identity-package.test.ts is not addressed by this PR.

* fix(rename): preserve lazy startup (U7)

Keep language providers off the MCP startup path; load their existing
classification only when rename inventory is requested. The existing
12 startup closure checks now pass.

Address PR #3617 review by including token validation in reviewed apply
timing and growing indexed evidence before preview, preserving the
20MiB controls under a 256MiB native pool. Migrate dispatch and retention
tests to the preview token contract, keeping write-failure oracles.

Note: pre-existing auto-sync /tmp fixture security and installed ARM64
grammar-header failures remain outside this PR; the packed Tree-sitter
GLIBCXX_3.4.31 host failure also reproduces on unchanged main.

* test(rename): always remove apply fixture (U7)

Own the temporary directory from creation in an outer finally so setup
and preview assertions cannot bypass cleanup. Keep spy restoration in
its inner finally and preserve all write-failure assertions.

Address PR #3617 cleanup feedback.

* fix(rename): retain targets and config evidence

* test(rename): verify approved physical output

* test(rename): cover native filesystem matrix

* test(rename): align preview contract fixtures

---------

Co-authored-by: Gergo Magyar <gergomagyar0@gmail.com>
2026-10-17 19:38:01 +01:00

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#!/bin/bash
# GitNexus SessionStart hook for Claude Code
# Fires on session startup. Stdout is injected into Claude's context.
# Checks if the current directory has a GitNexus index.
dir="$PWD"
found=false
for i in 1 2 3 4 5; do
if [ -d "$dir/.gitnexus" ]; then
found=true
break
fi
parent="$(dirname "$dir")"
[ "$parent" = "$dir" ] && break
dir="$parent"
done
if [ "$found" = false ]; then
exit 0
fi
# Inject GitNexus context — this stdout goes directly into Claude's context
cat << 'EOF'
## GitNexus Code Intelligence
This codebase is indexed by GitNexus, providing a knowledge graph with execution flows, relationships, and semantic search.
**Available MCP Tools:**
- `query` — Process-grouped code intelligence (execution flows related to a concept)
- `context` — 360-degree symbol view (categorized refs, process participation)
- `impact` — Blast radius analysis (what breaks if you change a symbol)
- `detect_changes` — Git-diff impact analysis (what do your changes affect)
- `rename` — Semantic rename: previews by default (`dry_run` omitted or `true`); apply reviewed edits with `dry_run: false` and that preview's `plan_token`; inspect application status and failures
- `cypher` — Raw graph queries
- `list_repos` — Discover indexed repos
**Quick Start:** READ `gitnexus://repo/{name}/context` for codebase overview, then use `query` to find execution flows.
**Resources:** `gitnexus://repo/{name}/context` (overview), `/processes` (execution flows), `/schema` (for Cypher)
EOF
exit 0