build: add publish release pipeline (#5)

Reviewed-on: https://git.vdx.hu/voidcontext/woodpecker-plugin-nix-attic/pulls/5
Co-authored-by: Gabor Pihaj <gabor.pihaj@gmail.com>
Co-committed-by: Gabor Pihaj <gabor.pihaj@gmail.com>

.woodpecker/ci.yaml

@@ -7,13 +7,15 @@ variables:
 
 steps:
   build:
+    when:
+      - event: [push pull_request]
     image: git.vdx.hu/voidcontext/woodpecker-plugin-nix-attic
     settings:
       <<: *common_settings
-      # "persist" the generated image in the workspace
       script: |
           nix build .#woodpecker-plugin-nix-attic-latest
           nix-env -iA nixpkgs.docker-client
+          # "persist" the generated image in the workspace
           cp $(realpath result) docker-image-latest
           docker load -i docker-image-latest
     volumes:
@@ -25,9 +27,9 @@ steps:
         branch: main
     settings:
       <<: *common_settings
-      # "persist" the generated image in the workspace
       script: |
           nix-env -iA nixpkgs.docker-client
+          # re-load persisted image (just in case...)
           docker load -i docker-image-latest
           docker login -u vdx -p "$FORGEJO_REGISTRY_TOKEN" git.vdx.hu
           docker push git.vdx.hu/voidcontext/woodpecker-plugin-nix-attic

.woodpecker/release.yaml

@@ -0,0 +1,26 @@
+
+variables:
+  - common_settings: &common_settings
+      binary_cache: https://cache.nix.vdx.hu/private
+      binary_cache_public_key: private:b6wO7rXF+4WtPCocEKlbdU/bTqEdJAqRrzOu0O3cK68=
+      binary_cache_token:
+        from_secret: attic_token
+
+steps:
+  release:
+    when:
+      - event: tag
+    image: git.vdx.hu/voidcontext/woodpecker-plugin-nix-attic
+    settings:
+      <<: *common_settings
+      # "persist" the generated image in the workspace
+      script: |
+          nix build .#woodpecker-plugin-nix-attic-release
+          nix-env -iA nixpkgs.docker-client
+          docker load -i result
+          docker login -u vdx -p "$FORGEJO_REGISTRY_TOKEN" git.vdx.hu
+          docker push git.vdx.hu/voidcontext/woodpecker-plugin-nix-attic:$CI_COMMIT_TAG
+    secrets:
+      - forgejo_registry_token
+    volumes:
+      - /var/run/docker.sock:/var/run/docker.sock

cog.toml

@@ -0,0 +1,20 @@
+from_latest_tag = false
+ignore_merge_commits = true
+generate_mono_repository_global_tag = true
+branch_whitelist = []
+pre_bump_hooks = []
+post_bump_hooks = []
+pre_package_bump_hooks = []
+post_package_bump_hooks = []
+
+[git_hooks]
+
+[commit_types]
+
+[changelog]
+path = "CHANGELOG.md"
+authors = []
+
+[bump_profiles]
+
+[packages]