CI: automatic release with RPM on version tag

.github/workflows/release.yml

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+---
+name: Release
+
+on:
+  push:
+    tags:
+      - "v*.*"
+
+permissions:
+  contents: write
+
+jobs:
+  sources:
+    runs-on: ubuntu-latest
+    outputs:
+      RIFT_VERSION: ${{ steps.version.outputs.RIFT_VERSION }}
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install rpm
+        run: |
+          sudo apt -y install rpm
+
+      - id: version
+        name: Set version variable
+        run: |
+          _VERSION=${{ github.ref_name }}
+          # Trim leading v prefix from tag
+          echo RIFT_VERSION="${_VERSION:1}" >> "$GITHUB_OUTPUT"
+
+      - name: Build source tarball
+        run: |
+          mkdir -p ~/rpmbuild/SOURCES
+          git archive --prefix=rift-${{ steps.version.outputs.RIFT_VERSION }}/ \
+            --format=tar.gz ${{ github.ref_name }} \
+            --output ~/rpmbuild/SOURCES/rift-${{ steps.version.outputs.RIFT_VERSION }}.tar.gz
+
+      - name: Build source RPM
+        run: |
+          rpmbuild -v \
+            --define "ci_version ${{ steps.version.outputs.RIFT_VERSION }}" \
+            -bs rift.spec
+
+      - name: Upload SRPM artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: srpm
+          path: ~/rpmbuild/SRPMS/*
+
+  packages:
+    needs: sources
+    strategy:
+      # Disable automatic cancellation of other running jobs as soon as one
+      # failure occurs in the matrix.
+      fail-fast: false
+      matrix:
+        buildenv:
+        - almalinux-8-x86_64
+        - almalinux-9-x86_64
+        - fedora-43-x86_64
+    runs-on: ubuntu-latest
+    container:
+      image: fedora:latest
+      # Option --privileged is required for mock+podman on fedora
+      options: --privileged
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Download SRPM artifact
+        uses: actions/download-artifact@v4
+        with:
+          name: srpm
+          path: ~/rpmbuild/SRPMS
+
+      - name: Install mock
+        run: |
+          dnf install -y mock
+
+      - name: Build binary RPM
+        run: |
+          mock --verbose --root ${{ matrix.buildenv }} \
+            --define "ci_version ${{ needs.sources.outputs.RIFT_VERSION }}" \
+            --resultdir ~/rpmbuild/RPMS \
+            ~/rpmbuild/SRPMS/rift*.src.rpm
+
+      - name: Upload RPM artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: rpm-${{ matrix.buildenv }}
+          path: ~/rpmbuild/RPMS/*.noarch.rpm
+
+  release:
+    needs: packages
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Download SRPM artifacts
+        uses: actions/download-artifact@v4
+        with:
+          name: srpm
+          path: ~/rpmbuild/SRPMS
+
+      - name: Download RPMs artifacts
+        uses: actions/download-artifact@v4
+        with:
+          pattern: rpm-*
+          path: ~/rpmbuild/RPMS
+          merge-multiple: true
+
+      - name: Create release
+        uses: softprops/[email protected]
+        with:
+          files: |
+            /home/runner/rpmbuild/SRPMS/*.src.rpm
+            /home/runner/rpmbuild/RPMS/*.rpm

rift.spec

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+%{?python_enable_dependency_generator}
+
+%define version %{?ci_version}%{!?ci_version:$(python3 -c "from lib.rift import __version__; print(__version__)")}
+
+Name:           rift
+Version:        %{version}
+Release:        1%{?dist}
+
+License:        CeCILL-C
+Source:         https://github.com/cea-hpc/rift/archive/refs/tags/v%{version}.tar.gz#/%{name}-%{version}.tar.gz
+URL:            https://github.com/cea-hpc/rift
+
+BuildRequires:  python3-devel
+BuildRequires:  python3-setuptools
+Summary:        Tool to build and maintain your own RPM based repository
+BuildArch:      noarch
+Requires:       createrepo_c
+Requires:       genisoimage
+Requires:       lftp
+Requires:       openssh-clients
+Requires:       python3-boto3
+Requires:       python3-dnf
+Requires:       python3-jinja2
+Requires:       python3-PyYAML
+Requires:       python3-requests
+Requires:       python3-rpm
+Requires:       qemu
+Requires:       qemu-img
+Requires:       qemu-user
+Requires:       qemu-virtiofsd
+Requires:       rpmlint
+Requires:       rpm-sign
+
+%description
+Rift is a tool to manage RPM packages development effectively during their
+complete lifecycle. It provides commands to perform the following actions:
+
+* Creating new packages, either from scratch or imported from existing sources.
+* Maintain and updates packages in YUM/DNF repositories.
+* Launch and report automatic advanced integration and functional tests
+  performed in sandboxed virtual machines for more isolation and more
+  flexibility in the tests environments.
+
+%prep
+%autosetup
+
+%build
+%py3_build
+
+%install
+%py3_install
+
+%files
+%license Licence_CeCILL-C_V1-en.txt
+%doc README.md
+%doc AUTHORS
+%doc Changelog
+%{_bindir}/rift
+%{python3_sitelib}/
+%{_datadir}/%{name}
+
+%changelog