build: add flake (#116)

.github/workflows/nix-build.yml

@@ -9,10 +9,10 @@ jobs:
   nix-build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
-      - uses: cachix/install-nix-action@v22
-      - uses: cachix/cachix-action@v12
+      - uses: actions/checkout@v4
+      - uses: cachix/install-nix-action@v24
         with:
-          name: sohi
-          skipPush: true
-      - run: nix-build
+          extra_nix_config: |
+            accept-flake-config = true
+
+      - run: nix build

.github/workflows/publish-docker-image.yml

@@ -24,38 +24,36 @@ jobs:
       packages: write
 
     steps:
-      - name: Checkout repository
-        uses: actions/checkout@v2
-
-      # Workaround: https://github.com/docker/build-push-action/issues/461
-      - name: Setup Docker buildx
-        uses: docker/setup-buildx-action@79abd3f86f79a9d68a23c75a09a9a85889262adf
+      - uses: actions/checkout@v4
+      - uses: cachix/install-nix-action@v24
+        with:
+          extra_nix_config: |
+            accept-flake-config = true
 
-      # Login against a Docker registry except on PR
-      # https://github.com/docker/login-action
       - name: Log into registry ${{ env.REGISTRY }}
-        if: github.event_name != 'pull_request'
-        uses: docker/login-action@28218f9b04b4f3f62068d7b6ce6ca5b26e35336c
+        uses: docker/login-action@v3
         with:
           registry: ${{ env.REGISTRY }}
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
-      # Extract metadata (tags, labels) for Docker
-      # https://github.com/docker/metadata-action
-      - name: Extract Docker metadata
+      - name: Build
+        run: |
+          nix run .#container.copyToDockerDaemon
+
+      - name: Docker meta
         id: meta
-        uses: docker/metadata-action@98669ae865ea3cffbcbaa878cf57c20bbf1c6c38
+        uses: docker/metadata-action@v5
         with:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
-
-      # Build and push Docker image with Buildx (don't push on PR)
-      # https://github.com/docker/build-push-action
-      - name: Build and push Docker image
-        id: build-and-push
-        uses: docker/build-push-action@ad44023a93711e3deb337508980b4b5e9bcdc5dc
-        with:
-          context: .
-          push: ${{ github.event_name != 'pull_request' }}
-          tags: ${{ steps.meta.outputs.tags }}
-          labels: ${{ steps.meta.outputs.labels }}
+          tags: |
+            type=ref,event=branch
+            type=semver,pattern={{major}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=semver,pattern={{version}}
+
+      - name: Tag & push
+        run: |
+          for tag in ${{ steps.meta.outputs.tag }}; do
+            docker tag webcam-filters:latest $tag
+          done

.github/workflows/update-nix-cache.yaml

@@ -8,11 +8,14 @@ jobs:
   update:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
-      - uses: cachix/install-nix-action@v22
+      - uses: actions/checkout@v4
+      - uses: cachix/install-nix-action@v24
+        with:
+          extra_nix_config: |
+            accept-flake-config = true
       - uses: cachix/cachix-action@v12
         with:
           name: sohi
           authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
-      - run: nix-build
-     # - run: nix-shell --run "echo OK"
+          skipAddingSubstituter: true
+      - run: nix build

README.rst

@@ -72,23 +72,19 @@ Nix
 The provided Nix_ package bundles all the necessary GStreamer dependencies and
 should "just work" on any distro.
 
-Setup the cache. This step is **optional**, but it should speed up
-the installation process::
-
-  $ nix-env -iA cachix -f https://cachix.org/api/v1/install
-  $ cachix use sohi
-
 Install a specific release version/tag::
 
-  $ nix-env \
-      --install \
-      --file https://github.com/jashandeep-sohi/webcam-filters/archive/refs/tags/v0.3.0.tar.gz
+  $ nix --experimental-features 'nix-command flakes' \
+      profile
+      install
+      github:jashandeep-sohi/webcam-filters/vx.x.x
 
 Install a specific branch (e.g. ``master``)::
 
-  $ nix-env \
-      --install \
-      --file https://github.com/jashandeep-sohi/webcam-filters/archive/refs/heads/master.tar.gz
+  $ nix --experimental-features 'nix-command flakes' \
+      profile
+      install
+      github:jashandeep-sohi/webcam-filters/master
 
 Hardware Acceleration
 .....................
@@ -147,7 +143,7 @@ You can retag the image locally if you don't want to refer to the long name::
 
 You may also build the image locally::
 
-  $ docker build -t webcam-filters .
+  $ nix --experimental-features 'nix-command flakes' run .#container.copyToDockerDaemon
 
 
 .. [#] Zoom desktop client supports background blur as of version 5.7.6. Zoom on web does not.