Implement dynamic versioning

Fix #159.

.github/workflows/ci.yml

@@ -21,7 +21,7 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
       - name: generate cache key PY
-        run: echo "::set-env name=PY::$((python -VV; poetry -V) | sha256sum | cut -d' '
+        run: echo "::set-env name=PY::$((python -VV; pip freeze) | sha256sum | cut -d' '
           -f1)"
       - uses: actions/cache@v1
         with:
@@ -31,7 +31,7 @@ jobs:
         with:
           path: ~/.local
           key: local-${{ env.PY }}|${{ hashFiles('pyproject.toml') }}|${{ hashFiles('poetry.lock') }}|${{ hashFiles('.pre-commit-config.yaml') }}
-      - run: python -m pip install poetry
+      - run: python -m pip install poetry poetry-dynamic-versioning
       - run: poetry install
       - name: Run pre-commit
         run: |
@@ -52,9 +52,9 @@ jobs:
         uses: actions/setup-python@v1
         with:
           python-version: 3.8
-      - run: python -m pip install poetry
+      - run: python -m pip install poetry poetry-dynamic-versioning
       - name: generate cache key PY
-        run: echo "::set-env name=PY::$((python -VV; poetry -V) | sha256sum | cut -d' '
+        run: echo "::set-env name=PY::$((python -VV; pip freeze) | sha256sum | cut -d' '
           -f1)"
       - uses: actions/cache@v1
         with:

.github/workflows/coverage.yml

@@ -15,9 +15,9 @@ jobs:
         uses: actions/setup-python@v1
         with:
           python-version: 3.8
-      - run: python -m pip install poetry
+      - run: python -m pip install poetry poetry-dynamic-versioning
       - name: generate cache key PY
-        run: echo "::set-env name=PY::$((python -VV; poetry -V) | sha256sum | cut -d' '
+        run: echo "::set-env name=PY::$((python -VV; pip freeze) | sha256sum | cut -d' '
           -f1)"
       - uses: actions/cache@v1
         with:

copier/__init__.py

@@ -2,4 +2,3 @@
 """
 from .main import *  # noqa
 from .tools import *  # noqa
-from .version import __version__  # noqa

copier/cli.py

@@ -7,7 +7,6 @@
 from .config.objects import UserMessageError
 from .main import copy
 from .types import AnyByStrDict, OptStr
-from .version import __version__
 
 
 def handle_exceptions(method):
@@ -38,7 +37,6 @@ class CopierApp(cli.Application):
         copier [SWITCHES] [update] [destination_path]
         """
     )
-    VERSION = __version__
     CALL_MAIN_IF_NESTED_COMMAND = False
     data: AnyByStrDict = {}
 

pyproject.toml

@@ -1,7 +1,7 @@
 [tool]
 [tool.poetry]
 name = "copier"
-version = "3.0.0-alpha6"
+version = "0.0.0"
 description = "A library for rendering project templates."
 license = "MIT"
 classifiers = [
@@ -52,6 +52,11 @@ pre-commit = "*"
 pytest = "^5.3"
 pytest-cov = "*"
 
+[tool.poetry-dynamic-versioning]
+enable = true
+style = "semver"
+vcs = "git"
+
 [tool.black]
 line-length = 88
 target-version = ['py36']