ci(rebrand): treemapper -> diffctx in workflows, scripts, benchmarks

Author: nikolay-e

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -15,7 +15,7 @@ body:
     attributes:
       label: Steps to Reproduce
       placeholder: |
-        1. Run `treemapper . --diff HEAD~1..HEAD`
+        1. Run `diffctx . --diff HEAD~1..HEAD`
         2. See error
     validations:
       required: true
@@ -28,8 +28,8 @@ body:
   - type: input
     id: version
     attributes:
-      label: TreeMapper Version
-      description: Output of `treemapper -v`
+      label: diffctx Version
+      description: Output of `diffctx -v`
       placeholder: "1.3.0"
     validations:
       required: true

.github/ISSUE_TEMPLATE/config.yml

@@ -1,5 +1,5 @@
 blank_issues_enabled: false
 contact_links:
   - name: Questions & Discussions
-    url: https://github.com/nikolay-e/treemapper/discussions
+    url: https://github.com/nikolay-e/diffctx/discussions
     about: Ask questions and discuss ideas

.github/workflows/bench-sweep.yml

@@ -26,7 +26,7 @@ concurrency:
 
 env:
   REGISTRY: ghcr.io
-  IMAGE_REF: ghcr.io/${{ github.repository_owner }}/treemapper-bench:latest
+  IMAGE_REF: ghcr.io/${{ github.repository_owner }}/diffctx-bench:latest
   MANIFESTS_SUBDIR: v1
   TIMEOUT_PER_INSTANCE: '600'
   TAU: '0.12'
@@ -105,15 +105,15 @@ jobs:
           useradd -m -s /bin/bash github
           usermod -aG docker github
           echo "${GH_TOKEN}" | docker login ghcr.io -u nikolay-e --password-stdin
-          docker pull ghcr.io/nikolay-e/treemapper-bench:latest
+          docker pull ghcr.io/nikolay-e/diffctx-bench:latest
           nohup bash -c '
             mkdir -p /data/bench_repos
             BAKE_LOG=/data/bench_repos/bake.log
             if docker run --rm \
               --entrypoint python3 \
               -v /data/bench_repos:/cache/contextbench_repos \
               -e BAKE_PARALLELISM=16 \
-              ghcr.io/nikolay-e/treemapper-bench:latest \
+              ghcr.io/nikolay-e/diffctx-bench:latest \
               /app/scripts/bake_bench_cache.py /cache/contextbench_repos \
               >> "\${BAKE_LOG}" 2>&1; then
               touch /data/bench_repos/.ready
@@ -162,7 +162,7 @@ jobs:
           echo "server_ip=${SERVER_IP}" >> "${GITHUB_OUTPUT}"
           echo "${SERVER_ID}" > server_id.txt
           echo "Provisioned Hetzner CCX63 server_id=${SERVER_ID} ip=${SERVER_IP} name=${SERVER_NAME}"
-          SSHCMD="ssh root@${SERVER_IP} -i <(security find-generic-password -s treemapper-bench-ssh-key -a \$USER -w)"
+          SSHCMD="ssh root@${SERVER_IP} -i <(security find-generic-password -s diffctx-bench-ssh-key -a \$USER -w)"
           echo "SSH: ${SSHCMD}"
 
       - name: Upload server_id for cleanup workflow
@@ -212,7 +212,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 60
     container:
-      image: ghcr.io/${{ github.repository_owner }}/treemapper-bench:latest
+      image: ghcr.io/${{ github.repository_owner }}/diffctx-bench:latest
       credentials:
         username: ${{ github.actor }}
         password: ${{ secrets.GITHUB_TOKEN }}
@@ -404,7 +404,7 @@ jobs:
     runs-on: [self-hosted, large]
     timeout-minutes: 350
     container:
-      image: ghcr.io/${{ github.repository_owner }}/treemapper-bench:latest
+      image: ghcr.io/${{ github.repository_owner }}/diffctx-bench:latest
       credentials:
         username: ${{ github.actor }}
         password: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/cd.yml

@@ -1,5 +1,5 @@
 # .github/workflows/cd.yml
-name: treemapper CD
+name: diffctx CD
 
 permissions: {}
 
@@ -67,7 +67,7 @@ jobs:
         run: |
           CURRENT=$(python - <<'PY'
           import re
-          content = open('src/treemapper/version.py').read()
+          content = open('src/diffctx/version.py').read()
           m = re.search(r'__version__\s*=\s*["\']([^"\']+)["\']', content)
           print(m.group(1) if m else '')
           PY
@@ -87,7 +87,7 @@ jobs:
           import os, re, pathlib
           ver = os.environ["VERSION"]
 
-          p = pathlib.Path("src/treemapper/version.py")
+          p = pathlib.Path("src/diffctx/version.py")
           s = p.read_text(encoding="utf-8")
           s, n = re.subn(r'__version__\s*=\s*["\'].*?["\']', f'__version__ = "{ver}"', s, count=1)
           assert n == 1, "version.py: __version__ assignment not found"
@@ -100,7 +100,7 @@ jobs:
           py.write_text(s, encoding="utf-8")
           PY
           echo "version.py:"
-          cat src/treemapper/version.py
+          cat src/diffctx/version.py
           echo "pyproject.toml (version line):"
           grep -E '^version\s*=' pyproject.toml
 
@@ -111,7 +111,7 @@ jobs:
         run: |
           git config user.name "github-actions[bot]"
           git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
-          git add src/treemapper/version.py pyproject.toml
+          git add src/diffctx/version.py pyproject.toml
           if ! git diff --staged --quiet; then
             git commit -m "Release version ${VERSION}"
           else
@@ -203,7 +203,7 @@ jobs:
           git clone repo.bundle repo
           cd repo
           git checkout "$TAG_NAME"
-          cat src/treemapper/version.py
+          cat src/diffctx/version.py
           grep -E '^version\s*=' pyproject.toml
 
       - name: Set up Python
@@ -280,7 +280,7 @@ jobs:
     runs-on: ubuntu-latest
     environment:
       name: pypi
-      url: https://pypi.org/p/treemapper
+      url: https://pypi.org/p/diffctx
     permissions:
       id-token: write
     steps:
@@ -343,32 +343,32 @@ jobs:
           python -m pip install --upgrade pip
           # Poll PyPI until the new version is installable. Up to 5 minutes.
           for attempt in 1 2 3 4 5 6 7 8 9 10; do
-            if python -m pip install "treemapper==${VERSION}"; then
-              echo "Installed treemapper ${VERSION} on attempt $attempt"
+            if python -m pip install "diffctx==${VERSION}"; then
+              echo "Installed diffctx ${VERSION} on attempt $attempt"
               break
             fi
             echo "PyPI not ready yet (attempt $attempt); sleeping 30s"
             sleep 30
           done
-          python -m pip show treemapper | grep -E '^(Name|Version)'
+          python -m pip show diffctx | grep -E '^(Name|Version)'
 
-      - name: Smoke - treemapper --version
-        run: treemapper --version
+      - name: Smoke - diffctx --version
+        run: diffctx --version
 
       - name: Smoke - tree mapping mode
         shell: bash
         run: |
           mkdir -p smoke-tree && cd smoke-tree
           echo "print('hello')" > a.py
           echo "x = 1" > b.py
-          treemapper . --no-content > /dev/null
+          diffctx . --no-content > /dev/null
           echo "OK: tree mode works"
 
       - name: Smoke - Rust _diffctx is shipped
         shell: bash
         run: |
           python - <<'PY'
-          from treemapper._diffctx import GitError, build_diff_context, count_tokens  # noqa: F401
+          from diffctx._diffctx import GitError, build_diff_context, count_tokens  # noqa: F401
           print("OK: _diffctx imported")
           PY
 
@@ -385,7 +385,7 @@ jobs:
           git add -A && git commit -q -m "initial"
           printf 'def add(a, b):\n    return a + b\n\ndef sub(a, b):\n    return a - b\n' > pkg/util.py
           git add -A && git commit -q -m "add sub"
-          treemapper . --diff HEAD~1..HEAD --no-content
+          diffctx . --diff HEAD~1..HEAD --no-content
           echo "OK: diff mode works (Rust extension present)"
 
   finalize-release:

.github/workflows/ci.yml

@@ -1,5 +1,5 @@
 # .github/workflows/ci.yml
-name: treemapper CI
+name: diffctx CI
 
 'on':
   pull_request:
@@ -114,7 +114,7 @@ jobs:
         run: ./target/release/diffctx-test || true
 
   # ============================================================================
-  # Cross-platform Python Testing (treemapper core, excludes diffctx)
+  # Cross-platform Python Testing (diffctx core)
   # ============================================================================
   test:
     needs: [lint-type-check]
@@ -160,20 +160,20 @@ jobs:
           python -m pip install --upgrade pip
           pip install "maturin>=1.10,<1.11"
 
-      - name: Build and install treemapper (with Rust _diffctx) and dev deps
+      - name: Build and install diffctx (with Rust _diffctx) and dev deps
         shell: bash
         env:
           PYO3_USE_ABI3_FORWARD_COMPATIBILITY: "1"
         run: |
           # PEP 660 editable install — maturin builds the Rust extension and
-          # pip installs everything (treemapper + [dev,full] extras). Skip build
+          # pip installs everything (diffctx + [dev,full] extras). Skip build
           # isolation since we just installed maturin in this env.
           pip install -e ".[dev,full]" --no-build-isolation
 
       - name: Run Tests with Coverage
         shell: bash
         run: |
-          pytest -v --cov=src/treemapper --cov-report=xml \
+          pytest -v --cov=src/diffctx --cov-report=xml \
             --cov-report=term-missing --cov-branch --junitxml=test-results.xml
 
       - name: Coverage report with threshold
@@ -225,16 +225,16 @@ jobs:
       - name: Check cyclomatic complexity
         run: |
           echo "=== Cyclomatic Complexity Report ==="
-          radon cc src/treemapper/ --min B --show-complexity --total-average
+          radon cc src/diffctx/ --min B --show-complexity --total-average
 
       - name: Check maintainability index
         run: |
           echo "=== Maintainability Index Report ==="
-          radon mi src/treemapper/ --min B --show
+          radon mi src/diffctx/ --min B --show
 
       - name: Fail on high complexity
         run: |
-          radon cc src/treemapper/ --min C --total-average || \
+          radon cc src/diffctx/ --min C --total-average || \
             (echo "High complexity detected" && exit 1)
 
   # ============================================================================

.github/workflows/sensitivity-check.yml

@@ -32,7 +32,7 @@ jobs:
         with:
           python-version: '3.12'
 
-      - name: Install treemapper with dev extras
+      - name: Install diffctx with dev extras
         run: pip install -e ".[dev,tree-sitter]"
 
       - name: Run sensitivity check

README.md

@@ -119,18 +119,18 @@ diffctx graph . --level file -f graphml -o g.xml # file-level graph as GraphML
 <!-- BEGIN USAGE -->
 ```bash
 # full codebase export:
-treemapper .                                # YAML to stdout + token count
-treemapper . -f md -c                       # Markdown → clipboard
-treemapper . -f json -o tree.json           # JSON → file
-treemapper . --no-content                   # structure only, no file contents
-treemapper . --max-depth 3                  # limit depth
-treemapper . -i custom.ignore               # custom ignore patterns
+diffctx .                                # YAML to stdout + token count
+diffctx . -f md -c                       # Markdown → clipboard
+diffctx . -f json -o tree.json           # JSON → file
+diffctx . --no-content                   # structure only, no file contents
+diffctx . --max-depth 3                  # limit depth
+diffctx . -i custom.ignore               # custom ignore patterns
 
 # diff context mode (requires git repo):
-treemapper . --diff HEAD~1                  # context for last commit
-treemapper . --diff main..feature           # context for feature branch
-treemapper . --diff HEAD~1 --budget 30000   # limit to ~30k tokens
-treemapper . --diff HEAD~1 -c               # diff context to clipboard
+diffctx . --diff HEAD~1                  # context for last commit
+diffctx . --diff main..feature           # context for feature branch
+diffctx . --diff HEAD~1 --budget 30000   # limit to ~30k tokens
+diffctx . --diff HEAD~1 -c               # diff context to clipboard
 ```
 <!-- END USAGE -->
 

benchmarks/README.md

@@ -73,7 +73,7 @@ across instances, multi-seed.
 | `--seeds` | `42` | Comma-separated seeds for shuffle |
 | `--no-shuffle` | false | Use dataset order |
 | `--scoring` | `ego` | `ppr` / `ego` / `bm25` |
-| `--baseline` | `treemapper` | `treemapper` / `patch_files` / `bm25` |
+| `--baseline` | `diffctx` | `diffctx` / `patch_files` / `bm25` |
 | `--dataset` | `full` | `full` / `verified` |
 | `--tau` | 0.08 | Selection stopping threshold |
 

benchmarks/baselines/aider_baseline.py

@@ -3,7 +3,7 @@
 Runs Aider's `RepoMap.get_repo_map` against the same repo+patch+budget
 inputs as diffctx, via a subprocess in an isolated `uv tool` venv (Aider
 hard-pins ~95 deps including litellm, numpy==1.26.4, fastapi — those would
-break the main treemapper env if installed in-process).
+break the main diffctx env if installed in-process).
 
 Spawn-once, reuse-many: one helper process per worker process is kept alive
 across all instances assigned to that worker, so we pay aider's import

benchmarks/baselines/aider_subprocess.py

@@ -4,7 +4,7 @@
 The parent (`benchmarks.baselines.aider_baseline`) launches this with
 `uv tool run --from aider-chat==0.86.2 python <path-to-this-file>` so
 aider's heavy dep tree (litellm, prompt-toolkit, fastapi, etc.) never
-contaminates the main treemapper venv.
+contaminates the main diffctx venv.
 
 Protocol (NDJSON, one request → one response):