Spack package for parafeed

.github/workflows/parafeed_CI.yaml

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+name: CI
+
+on:
+  push:
+    branches: [ main, master ]
+  pull_request:
+    branches: [ main, master ]
+
+jobs:
+  build-and-test:
+    runs-on: ubuntu-24.04
+    strategy:
+      matrix:
+        cxx_std: [11, 17]
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Install dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y build-essential cmake pkg-config bison flex libreadline-dev
+
+      - name: Configure CMake
+        run: |
+          cmake -S . -B build -DENABLE_TESTING=ON -DCMAKE_CXX_STANDARD=${{ matrix.cxx_std }}
+
+      - name: Build
+        run: |
+          cmake --build build -- -j$(nproc)
+
+      - name: Run tests
+        run: |
+          cd build
+          ctest --output-on-failure
+
+      - name: Upload build artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: parafeed-artifacts-cxx${{ matrix.cxx_std }}
+          path: build/
+
+      - name: Check for changes in spack_package
+        id: spack_changes
+        run: |
+          if git diff --name-only ${{ github.event.before }} ${{ github.sha }} | grep '^spack_package/'; then
+            echo "changed=true" >> $GITHUB_OUTPUT
+          else
+            echo "changed=false" >> $GITHUB_OUTPUT
+          fi
+
+      - name: Cache Spack clone
+        if: steps.spack_changes.outputs.changed == 'true'
+        uses: actions/cache@v4
+        with:
+          path: spack
+          key: spack-v0.23.1-${{ runner.os }}
+          restore-keys: |
+            spack-v0.23.1-
+
+      - name: Clone Spack v0.23.1
+        if: steps.spack_changes.outputs.changed == 'true' && steps.cache-spack.outputs.cache-hit != 'true'
+        run: |
+          git clone --branch v0.23.1 https://github.com/spack/spack.git
+
+      - name: Register local parafeed repo with Spack
+        if: steps.spack_changes.outputs.changed == 'true'
+        run: |
+          ./spack/bin/spack repo add ./spack_package
+
+      - name: Create and activate and install Spack environment
+        if: steps.spack_changes.outputs.changed == 'true'
+        run: |
+          ./spack/bin/spack env create parafeed-env
+          . ./spack/share/spack/setup-env.sh
+          spack env activate parafeed-env
+          spack add parafeed
+          spack concretize 
+          spack install --jobs $(nproc)
+          spack env deactivate
+
+      - name: Skip Spack steps (no changes in spack_package)
+        if: steps.spack_changes.outputs.changed != 'true'
+        run: echo "No changes in spack_package, skipping Spack steps."

spack_package/packages/parafeed/package.py

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+# Copyright Spack Project Developers. See COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+from spack.package import *
+from spack.build_systems.cmake import CMakePackage
+
+class Parafeed(CMakePackage):
+    """Parafeed is a C++ library to parse and interact with the commandline."""
+
+    homepage = "https://github.com/sanbee/parafeed"
+    url      = "https://github.com/sanbee/parafeed/archive/refs/tags/v1.1.41.tar.gz"
+
+    maintainers("preshanth", "sanbee", "sanbw")
+
+    # TODO: Check actual license in project. Replace "UNKNOWN" with actual SPDX identifier.
+    license("UNKNOWN", checked_by="sanbee")
+
+    version("1.1.41", sha256="a5cb034914cab8b661469f2f1aae6af7d88045d54f3535da8ff004a04cd8abd3")
+    version("1.1.4",  sha256="9ca767aa1139516926456fff14fec466890caba5646e46f0553c7b648bb5510e")
+    version("1.1.2",  sha256="74eb62034b0c4cbfd9a4a05872c10d568b184e8cf7543405d460fc0c52001139")
+    version("1.1.1",  sha256="757290ec76b3762febbaadca4c597f9d668be55767dbcfdba305ddc48cb07689")
+
+    # Build-time and run-time dependencies
+    depends_on("readline")
+    depends_on("bison")
+    depends_on("flex")
+    depends_on("pkgconfig", type="build")
+    depends_on("cmake@3.1:", type="build")
+
+    # C++ standard variant
+    variant(
+        "cxxstd",
+        default="11",
+        values=("11", "14", "17", "20", "23"),
+        description="C++ standard to use"
+    )
+
+    def cmake_args(self):
+        args = [
+            self.define("CMAKE_CXX_STANDARD", self.spec.variants["cxxstd"].value),
+            self.define("CMAKE_CXX_STANDARD_REQUIRED", "ON"),
+            self.define("CMAKE_CXX_EXTENSIONS", "OFF")
+        ]
+        return args

spack_package/repo.yaml

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+repo:
+  namespace: parafeed