feat(cli): add version subcommand

.github/workflows/cicd.yml

@@ -4,11 +4,13 @@ on:
   push:
 
 jobs:
-  tests:
-    runs-on: ubuntu-latest
+  test_and_build:
+    runs-on: ubuntu-18.04
     steps:
       - name: Checkout
         uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
 
       - name: Install Python
         uses: actions/setup-python@v2
@@ -78,27 +80,12 @@ jobs:
         with:
           files: ./coverage.xml
 
-  build:
-    runs-on: ubuntu-latest
-    container: wakemeops/debian:bullseye-slim
-    needs: [tests]
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v2
-
-      - name: Install dependencies
-        run: |
-          install_packages \
-            poetry \
-            python3-dev \
-            ca-certificates \
-            binutils
-
       - name: Build single binary application
         run: |
-          poetry install --no-dev --extras pyinstaller
+          poetry install --extras pyinstaller
+          poetry run poetry-dynamic-versioning
           poetry run pyinstaller --onefile src/ops2deb/__main__.py --name ops2deb -s
-          dist/ops2deb --help
+          dist/ops2deb version
           mv dist/ops2deb ops2deb_linux_amd64
 
       - name: Upload build artifact
@@ -111,7 +98,7 @@ jobs:
   release:
     runs-on: ubuntu-latest
     if: startsWith(github.ref, 'refs/tags/')
-    needs: [build]
+    needs: [test_and_build]
     steps:
       - name: Checkout
         uses: actions/checkout@v2
@@ -144,7 +131,7 @@ jobs:
 
   publish:
     runs-on: ubuntu-latest
-    needs: [build]
+    needs: [test_and_build]
     if: startsWith(github.ref, 'refs/tags')
     steps:
       - name: Checkout
@@ -164,14 +151,8 @@ jobs:
       - name: Install Poetry
         uses: snok/install-poetry@v1
 
-      - name: Get Release Version
-        if: "startsWith(github.ref, 'refs/tags')"
-        run: echo "RELEASE_VERSION=${GITHUB_REF#refs/*/}" >> $GITHUB_ENV
-
       - name: Build Distribution
-        run: |
-          poetry version "$RELEASE_VERSION";
-          poetry build
+        run: poetry run poetry build
 
       - name: Publish distribution 📦 to PyPI
         uses: pypa/gh-action-pypi-publish@master

README.md

@@ -139,7 +139,8 @@ description: |-
   releases of upstream applications and automatically bump application versions
   in its configuration file.
 script:
-  - ./build-single-binary-application.sh
+  - poetry install -E pyinstaller
+  - poetry run task single_binary_application
   - install -m 755 build/x86_64-unknown-linux-gnu/release/install/ops2deb {{src}}/usr/bin/
 ```
 
@@ -157,6 +158,30 @@ To run ops2deb test suite run:
 poetry run task check
 ```
 
+To build a python wheel:
+
+```shell
+poetry run poetry build
+```
+
+Note that the `poetry run` is important to enable [poetry-dynamic-versioning](https://github.com/mtkennerly/poetry-dynamic-versioning)
+which is installed as a dev dependency.
+
+To build a single binary applicatin:
+
+Install required build dependencies:
+
+```shell
+sudo apt install binutils python3-dev
+poetry install -E pyinstaller
+```
+
+And run:
+
+```shell
+poetry run task single_binary_application
+```
+
 ## Important notes
 
 `ops2deb` **DOES NOT** sandbox build instructions so if you do something like:

ops2deb.yml

@@ -130,7 +130,7 @@
     - fakeroot
     - debhelper
   fetch:
-    url: https://github.com/upciti/ops2deb/releases/download/{{version}}/ops2deb_linux_amd64.tar.gz
+    url: https://github.com/upciti/ops2deb/releases/download/{{version}}/ops2deb_linux_amd64
     sha256: 211bc67e965cda9ab7cdcb227cf114f5114eaa85689eda55a3833d297aea698c
   script:
     - mv ops2deb {{src}}/usr/bin/

pyproject.toml

@@ -49,6 +49,7 @@ safety = "*"
 types-aiofiles = "*"
 types-PyYAML = "*"
 pytest-asyncio = "^0.16.0"
+poetry-dynamic-versioning = "^0.13.1"
 
 [tool.taskipy.tasks]
 check = """
@@ -81,5 +82,14 @@ line_length = 90
 profile = "black"
 
 [build-system]
-requires = ["poetry>=1.0"]
+requires = ["poetry>=1.0.2", "poetry-dynamic-versioning"]
 build-backend = "poetry.masonry.api"
+
+[tool.poetry-dynamic-versioning]
+enable = true
+vcs = "git"
+style = "semver"
+pattern = "(?x)^(?P<base>\\d+\\.\\d+\\.\\d+)(-?((?P<stage>[a-zA-Z]+)\\.?(?P<revision>\\d+)?))?(\\+(?P<tagged_metadata>.+))?$"
+
+[tool.poetry-dynamic-versioning.substitution]
+files = ["src/ops2deb/__init__.py"]

src/ops2deb/__init__.py

@@ -0,0 +1 @@
+__version__ = "0"

src/ops2deb/cli.py

@@ -6,7 +6,7 @@
 
 import typer
 
-from . import builder, formatter, generator, logger, parser, updater
+from . import __version__, builder, formatter, generator, logger, parser, updater
 from .exceptions import Ops2debError
 from .fetcher import DEFAULT_CACHE_DIRECTORY, Fetcher
 
@@ -118,6 +118,11 @@ def format(configuration_path: Path = OPTION_CONFIGURATION) -> None:
         error(e)
 
 
+@app.command(help="Outputs ops2deb version.")
+def version() -> None:
+    logger.info(__version__)
+
+
 @app.callback()
 def args_cb(
     verbose: bool = typer.Option(