Update github workflow

Author: darkfronza

.github/workflows/build.yml

@@ -5,40 +5,33 @@ on:
     branches:
       - main
       - master
-  schedule:
-    # rebuild everyday at 2:51
-    # TIP: Choose a random time here so not all repositories are build at once:
-    # https://www.random.org/clock-times/?num=1&earliest=01%3A00&latest=08%3A00&interval=5&format=html&rnd=new
-    - cron:  '51 2 * * *'
   workflow_dispatch:
+
 jobs:
+  release-check:
+    runs-on: ubuntu-latest
+    outputs:
+      is-release: ${{ steps.condition-check.outputs.match }}
+    steps:
+      - id: condition-check
+        uses: actions-ecosystem/action-regex-match@v2
+        with:
+          # matches: package_name: vX.Y.Z -> vX.Y.Z where XYZ are digits (including release candidates: vX.Y.Z-rcN)
+          # it detects a commit from goreleaser with a new nix package version.
+          regex: '\s*[a-zA-Z][\w]+:\s*v\d+\.\d+\.\d+(-rc\d+)?\s*->\s*v\d+\.\d+\.\d+(-rc\d+)?'
+          text: ${{ github.event.head_commit.message }}
+
   tests:
+    needs: release-check
     strategy:
       matrix:
-        # Set this to notify the global nur package registry that changes are
-        # available.
-        #
-        # The repo name as used in
-        # https://github.com/nix-community/NUR/blob/master/repos.json
-        nurRepo:
-          - <YOUR_REPO_NAME>
-        # Set this to cache your build results in cachix for faster builds
-        # in CI and for everyone who uses your cache.
-        #
-        # Format: Your cachix cache host name without the ".cachix.org" suffix.
-        # Example: mycache (for mycache.cachix.org)
-        #
-        # For this to work, you also need to set the CACHIX_SIGNING_KEY or
-        # CACHIX_AUTH_TOKEN secret in your repository secrets settings in
-        # Github found at
-        # https://github.com/<your_githubname>/nur-packages/settings/secrets
-        cachixName:
-          - <YOUR_CACHIX_NAME>
         nixPath:
           - nixpkgs=https://github.com/NixOS/nixpkgs/archive/refs/heads/nixpkgs-unstable.tar.gz
           - nixpkgs=https://github.com/NixOS/nixpkgs/archive/refs/heads/nixos-unstable.tar.gz
           - nixpkgs=https://github.com/NixOS/nixpkgs/archive/refs/heads/nixos-25.11.tar.gz
     runs-on: ubuntu-latest
+
+    if: needs.release-check.outputs.is-release != ''
     steps:
     - name: Checkout repository
       uses: actions/checkout@v5
@@ -51,14 +44,6 @@ jobs:
           access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
     - name: Show nixpkgs version
       run: nix-instantiate --eval -E '(import <nixpkgs> {}).lib.version'
-    - name: Setup cachix
-      uses: cachix/cachix-action@v16
-      # Don't replace <YOUR_CACHIX_NAME> here!
-      if: ${{ matrix.cachixName != '<YOUR_CACHIX_NAME>' }}
-      with:
-        name: ${{ matrix.cachixName }}
-        signingKey: '${{ secrets.CACHIX_SIGNING_KEY }}'
-        authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
     - name: Check evaluation
       run: |
         nix-env -f . -qa \* --meta --xml \
@@ -70,7 +55,27 @@ jobs:
           -I $PWD
     - name: Build nix packages
       run: nix shell -f '<nixpkgs>' nix-build-uncached -c nix-build-uncached ci.nix -A cacheOutputs
-    - name: Trigger NUR update
-      # Don't replace <YOUR_REPO_NAME> here!
-      if: ${{ matrix.nurRepo != '<YOUR_REPO_NAME>' }}
-      run: curl -XPOST "https://nur-update.nix-community.org/update?repo=${{ matrix.nurRepo }}"
+
+  add-pkg:
+    permissions:
+      contents: write
+    needs: [release-check, tests]
+    runs-on: ubuntu-latest
+
+    if: needs.release-check.outputs.is-release != ''
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v5
+    - name: Make addpkg script executable
+      run: chmod +x ./addpkg.sh
+    - name: Execute addpkg.sh to update nix package's catalog
+      run: ./addpkg.sh step-agent-plugin
+    - name: Add and Commit default.nix
+      uses: EndBug/add-and-commit@v9 # Use the specific action
+      with:
+        add: 'default.nix' # Specifies the file(s) to add
+        message: 'Added new nix package version' # The commit message
+        author_name: 'github-actions[bot]'
+        author_email: 'github-actions[bot]@users.noreply.github.com'
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

addpkg.sh

@@ -0,0 +1,47 @@
+#!/bin/bash
+
+[ $# -lt 1 ] && {
+    echo "usage: $0 <package_name>"
+    exit 1
+}
+
+pkg="$1"
+pkg_with_version=$(basename $(ls -1 pkgs/${pkg}/${pkg}_* | sort -Vr | head -n 1) .nix)
+pkg_name="$(echo ${pkg_with_version} | tr '.' '_')"
+nix_entry="pkgs.callPackage ./pkgs/${pkg}/${pkg_with_version}.nix { };"
+
+unameOut="$(uname -s)"
+OS=Linux
+
+case "${unameOut}" in
+Darwin*) OS=Mac ;;
+esac
+
+if [ "$OS" = "Mac" ]; then
+    xsed() {
+        sed -i "" "$@"
+    }
+else
+    xsed() {
+        sed -i "$@"
+    }
+fi
+
+if ! grep -Eqs "${pkg_with_version}[[:blank:]]*=" default.nix; then
+    echo "Adding new package entry to default.nix: pkg=$pkg  version=$version"
+
+    xsed "/<package-list>/a\\
+  ${pkg_name} = ${nix_entry}" default.nix
+fi
+
+# patch default package name to point to the latest version
+if ! grep -Eqs "${pkg}[[:blank:]]*=" default.nix; then
+    echo "Adding default $pkg package entry..."
+
+    xsed "/<package-list>/a\\
+  ${pkg} = ${nix_entry}" default.nix
+else
+    echo "Updating $pkg to point to new version $version"
+
+    xsed "s#^.*${pkg} *=.*\$#  ${pkg} = ${nix_entry}#" default.nix
+fi