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ci: add GitHub Actions workflow
Adds .github/workflows/ci.yml with three jobs: - test: pytest matrix across Python 3.9-3.13 on Ubuntu, plus 3.13 on macOS and Windows. Installs the package with the test extras, configures a global git identity for the interop-test path that shells out to real git, runs the suite, and verifies both 'pygit' and 'git' entry points resolve to pythongit. - build: python -m build, twine check, and a smoke install of the wheel in a fresh venv. Uploads dist/ as a workflow artifact. - lint: bytecode-compiles every module and asserts >= 150 commands are registered. Also adds the CI status badge to the README. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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‎.github/workflows/ci.yml‎

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name: CI
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on:
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push:
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branches: [main]
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pull_request:
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branches: [main]
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workflow_dispatch:
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permissions:
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contents: read
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concurrency:
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group: ci-${{ github.ref }}
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cancel-in-progress: true
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jobs:
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test:
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name: pytest (${{ matrix.os }} / py${{ matrix.python-version }})
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runs-on: ${{ matrix.os }}
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strategy:
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fail-fast: false
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matrix:
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# Full matrix on Linux; latest Python only on macOS and Windows to
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# keep run time reasonable while still catching platform regressions.
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include:
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- os: ubuntu-latest
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python-version: "3.9"
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- os: ubuntu-latest
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python-version: "3.10"
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- os: ubuntu-latest
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python-version: "3.11"
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- os: ubuntu-latest
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python-version: "3.12"
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- os: ubuntu-latest
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python-version: "3.13"
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- os: macos-latest
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python-version: "3.13"
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- os: windows-latest
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python-version: "3.13"
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steps:
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- name: Checkout
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uses: actions/checkout@v4
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- name: Set up Python ${{ matrix.python-version }}
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uses: actions/setup-python@v5
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with:
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python-version: ${{ matrix.python-version }}
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cache: pip
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- name: Show git version (used by interop tests)
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shell: bash
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run: git --version
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- name: Install package + test deps
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run: |
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python -m pip install --upgrade pip
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python -m pip install -e ".[test]"
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- name: Configure global git identity (some tests shell out to real git)
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shell: bash
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run: |
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git config --global user.name "ci"
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git config --global user.email "ci@example.invalid"
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git config --global init.defaultBranch main
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- name: Run pytest
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run: python -m pytest -v --color=yes
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- name: Verify `pygit` entry point works
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shell: bash
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run: |
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pygit --version
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pygit help | head -5
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- name: Verify `git` drop-in entry point resolves to pythongit
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shell: bash
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run: |
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# In the venv used by setup-python, our `git` shim lives in the
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# Scripts/bin dir. We invoke by absolute path so the system git on
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# PATH doesn't shadow it.
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if [[ "${{ runner.os }}" == "Windows" ]]; then
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"$(python -c 'import sys, os; print(os.path.join(os.path.dirname(sys.executable), "Scripts", "git.exe"))')" --version
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else
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"$(python -c 'import sys, os; print(os.path.join(os.path.dirname(sys.executable), "git"))')" --version
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fi
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build:
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name: build wheel + sdist
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@v4
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- uses: actions/setup-python@v5
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with:
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python-version: "3.13"
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cache: pip
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- name: Install build tools
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run: python -m pip install --upgrade build twine
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- name: Build
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run: python -m build
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- name: twine check
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run: python -m twine check dist/*
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- name: Smoke-install the built wheel
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run: |
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python -m venv /tmp/install-venv
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/tmp/install-venv/bin/pip install dist/*.whl
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/tmp/install-venv/bin/pygit --version
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/tmp/install-venv/bin/git --version
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- name: Upload distribution artifacts
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uses: actions/upload-artifact@v4
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with:
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name: dist
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path: dist/
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if-no-files-found: error
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lint:
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name: syntax + import sanity
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@v4
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- uses: actions/setup-python@v5
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with:
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python-version: "3.13"
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- name: Bytecode-compile every module
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run: python -m compileall -q pythongit tests
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- name: Import smoke test
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run: |
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python -c "
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from pythongit import cli
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from pythongit.cli import _COMMANDS
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assert len(_COMMANDS) >= 150, f'expected >=150 commands, got {len(_COMMANDS)}'
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print(f'OK: {len(_COMMANDS)} commands registered')
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"

‎README.md‎

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# pythongit
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[![CI](https://github.com/blhsing/pythongit/actions/workflows/ci.yml/badge.svg)](https://github.com/blhsing/pythongit/actions/workflows/ci.yml)
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A pure-Python reimplementation of `git`. No external runtime dependencies — just
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the Python standard library. All 141 of git's built-in subcommands are
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implemented, the on-disk format is byte-for-byte compatible with real `git`,

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