ci: add minimum-versions and pre-release-versions

Includes a refactor of the Python setup into a repository-specific action to
reduce duplication.

.github/setup/action.yml

@@ -0,0 +1,36 @@
+name: Setup
+description: Set up the stactools testing environment with conda, pip, and associated caches
+inputs:
+  python-version:
+    description: Python version to set up w/ conda
+    required: True
+  pip-cache-hash:
+    description: The hash used for the pip cache
+    required: False
+    default: ${{ hashFiles('setup.cfg', 'requirements-dev.txt') }}
+runs:
+  using: composite
+  steps:
+    - name: Set up conda cache
+      uses: actions/cache@v2
+      with:
+        path: ~/conda_pkgs_dir
+        key: ${{ runner.os }}-conda-${{ hashFiles('environment.yml') }}
+        restore-keys: ${{ runner.os }}-conda-
+    - name: Set up pip cache
+      uses: actions/cache@v2
+      with:
+        path: ~/.cache/pip
+        key: ${{ runner.os }}-pip-${{ inputs.pip-cache-hash }}
+        restore-keys: ${{ runner.os }}-pip-
+    - name: Set up Conda with Python ${{ inputs.python-version }}
+      uses: conda-incubator/setup-miniconda@v2
+      with:
+        auto-update-conda: true
+        python-version: ${{ inputs.python-version }}
+    - name: Update Conda's environemnt
+      run: conda env update -f environment.yml -n test
+      shell: bash -l {0}
+    - name: Update pip
+      run: python -m pip install --upgrade pip
+      shell: bash -l {0}

.github/workflows/continuous-integration.yml

@@ -11,21 +11,26 @@ env:
   DOCKER_IMAGE_NAME: ${{ github.repository }}
 
 jobs:
-  codecov:
-    name: codecov
+  standard:
+    name: Standard
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: [3.7, 3.8, 3.9]
+    defaults:
+      run:
+        shell: bash -l {0}
     steps:
       - uses: actions/checkout@v2
-      - name: Execute linters and test suites
-        run: ./docker/cibuild
-      - name: Upload All coverage to Codecov
-        uses: codecov/[email protected]
+      - uses: ./.github/setup
         with:
-          token: ${{ secrets.CODECOV_TOKEN }}
-          file: ./coverage.xml
-          fail_ci_if_error: false
-  python-matrix:
-    name: python-matrix
+          python-version: ${{ matrix.python-version }}
+      - name: Update
+        run: ./scripts/update
+      - name: Test
+        run: ./scripts/test
+  extra-requires:
+    name: Extra requires
     runs-on: ubuntu-latest
     strategy:
       matrix:
@@ -35,36 +40,84 @@ jobs:
         shell: bash -l {0}
     steps:
       - uses: actions/checkout@v2
-      - name: Set up conda cache
-        uses: actions/cache@v2
+      - uses: ./.github/setup
         with:
-          path: ~/conda_pkgs_dir
-          key: ${{ runner.os }}-conda-${{ hashFiles('**/environment.yml') }}
-          restore-keys: ${{ runner.os }}-conda-
-      - name: Set up pip cache
-        uses: actions/cache@v2
+          python-version: ${{ matrix.python-version }}
+      - name: Install with extra_requires
+        run: pip install '.[all]'
+      - name: Install development dependencies
+        run: pip install -r requirements-dev.txt
+      - name: Test
+        run: ./scripts/test
+  minimum-versions:
+    name: Minimum versions
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: [3.7, 3.8, 3.9]
+    defaults:
+      run:
+        shell: bash -l {0}
+    steps:
+      - uses: actions/checkout@v2
+      - uses: ./.github/setup
         with:
-          path: ~/.cache/pip
-          key: ${{ runner.os }}-pip-${{ hashFiles('**/setup.cfg', '**/requirements-dev.txt') }}
-          restore-keys: ${{ runner.os }}-pip-
-      - name: Set up Conda with Python ${{ matrix.python-version }}
-        uses: conda-incubator/setup-miniconda@v2
+          python-version: ${{ matrix.python-version }}
+          pip-cache-hash: ${{ hashFiles('requirements-min.txt', 'requirements-dev.txt') }}
+      - name: Install minimum requirements
+        run: pip install -r requirements-min.txt
+      - name: Install the package
+        run: pip install .
+      - name: Install development dependencies
+        run: pip install -r requirements-dev.txt
+      - name: Test
+        run: scripts/test
+  pre-release-versions:
+    name: Pre-release versions
+    runs-on: ubuntu-latest
+    continue-on-error: true
+    strategy:
+      matrix:
+        python-version: [3.7, 3.8, 3.9]
+    defaults:
+      run:
+        shell: bash -l {0}
+    steps:
+      - uses: actions/checkout@v2
+      - uses: ./.github/setup
         with:
-          auto-update-conda: true
           python-version: ${{ matrix.python-version }}
-      - name: Update Conda's environemnt
-        run: conda env update -f environment.yml -n test
+      - name: Update
+        run: scripts/update
+      - name: Install pre-release versions of rasterio and pystac
+        run: pip install -U --pre pystac rasterio
+      - name: Run tests
+        run: scripts/test
+        env:
+          PROJ_LIB: false
+  codecov:
+    name: Codecov
+    needs:
+      - standard
+      - extra-requires
+      - minimum-versions
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
       - name: Execute linters and test suites
-        run: ./scripts/cibuild
-      - name: Install with extra_requires
-        run: pip install -e '.[all]'
-      - name: Test again
-        run: ./scripts/test
+        run: ./docker/cibuild
+      - name: Upload coverage to Codecov
+        uses: codecov/[email protected]
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          file: ./coverage.xml
+          fail_ci_if_error: false
   docker:
-    name: docker
+    name: Docker
     needs:
-      - codecov
-      - python-matrix
+      - standard
+      - extra-requires
+      - minimum-versions
     permissions:
       contents: read
       packages: write