feat(provider): implement GitHub REST API provider plugin

.github/workflows/ci.yml

@@ -20,16 +20,16 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version-file: go.mod
+          go-version: "1.24.x"
           cache: true
 
       - name: Download dependencies
         run: go mod download
 
       - name: Run golangci-lint
-        uses: golangci/golangci-lint-action@v6
+        uses: golangci/golangci-lint-action@v7
         with:
-          version: v1.64.8
+          version: v2.1.6
 
       - name: Run tests
         run: go test -v ./...

.golangci.yml

@@ -1,17 +1,14 @@
 # SPDX-License-Identifier: Apache-2.0
 # SPDX-FileCopyrightText: 2026 The plugin-template Authors
 
+version: "2"
+
 run:
   timeout: 5m
 
 linters:
   enable:
     - errcheck
-    - gosimple
     - govet
     - ineffassign
     - staticcheck
-    - unused
-
-issues:
-  exclude-use-default: false

README.md

@@ -1,45 +1,42 @@
 # provider-github
 
-GitHub release provider plugin for SemRel.
+GitHub release provider plugin for [SemRel](https://github.com/SemRels/semrel).
 
-Provides GitHub repository, release, and metadata integration for SemRel releases.
+Creates GitHub Releases, fetches commit history, and uploads release assets
+via the [GitHub REST API](https://docs.github.com/en/rest).
 
-## Documentation
+## What It Does
 
-- SemRel docs (planned): <https://github.com/SemRels/semrel/tree/main/docs/plugins/provider-github>
-- Plugin template: <https://github.com/SemRels/plugin-template>
-- Registry: <https://registry.semrel.io>
+| RPC              | Description                                          |
+|------------------|------------------------------------------------------|
+| `GetLastRelease` | Fetches the latest published GitHub Release and tag SHA |
+| `GetCommitsSince`| Returns commits between a SHA and HEAD on the release branch |
+| `CreateRelease`  | Creates a new GitHub Release (supports dry-run)      |
+| `UploadAsset`    | Uploads a release artifact to an existing release    |
 
-## Repository Layout
+## Configuration (`.semrel.yaml`)
 
-~~~text
-cmd/plugin/              Plugin entry point
-internal/plugin/         Business logic scaffold
-internal/grpc/           gRPC transport scaffold
-proto/v1                 Symlink to the SemRel protobuf contract
-.github/workflows/       CI, release, and security automation
-~~~
+```yaml
+plugins:
+  - name: provider-github
+    type: provider
+    config:
+      github_token: ${GITHUB_TOKEN}  # optional; falls back to GITHUB_TOKEN/GH_TOKEN env vars
+```
+
+## Required Permissions
+
+The `GITHUB_TOKEN` (or `GH_TOKEN`) must have:
+- `contents: write` — to create tags and releases
 
 ## Development
 
-~~~bash
-go build ./cmd/plugin
+```bash
 go test ./...
-~~~
-
-## Configuration Example
+go build ./cmd/plugin
+```
 
-~~~yaml
-plugins:
-  - name: provider-github
-    type: provider
-    config:
-      api_url: https://api.github.com
-      owner: SemRels
-      repository: example-repo
-      token: ${GITHUB_TOKEN}
-~~~
+## License
 
-## Status
+Apache-2.0 — see [LICENSE](LICENSE).
 
-This repository is bootstrapped from SemRels/plugin-template and is ready for implementation.

cmd/plugin/main.go

@@ -1,26 +1,23 @@
 // SPDX-License-Identifier: Apache-2.0
-// SPDX-FileCopyrightText: 2026 The plugin-template Authors
+// SPDX-FileCopyrightText: 2026 The SemRels Authors
 
 package main
 
 import (
-	"context"
-	"log"
-	"os"
-
-	grpcserver "github.com/SemRels/provider-github/internal/grpc"
-	semrelplugin "github.com/SemRels/provider-github/internal/plugin"
+	semrelapi "github.com/SemRels/semrel-api/plugin"
+	providerplugin "github.com/SemRels/provider-github/internal/plugin"
+	"github.com/hashicorp/go-plugin"
 )
 
 func main() {
-	provider := semrelplugin.NewProvider("provider-github")
-	server := grpcserver.NewProviderServer(provider)
-
-	if _, err := server.Health(context.Background()); err != nil {
-		log.Printf("plugin health check failed: %v", err)
-		os.Exit(1)
-	}
-
-	log.Printf("%s plugin template is ready", provider.Name())
+	plugin.Serve(&plugin.ServeConfig{
+		HandshakeConfig: semrelapi.HandshakeConfig,
+		Plugins: map[string]plugin.Plugin{
+			"provider": &semrelapi.ProviderGRPCPlugin{
+				Impl: providerplugin.New(),
+			},
+		},
+		GRPCServer: plugin.DefaultGRPCServer,
+	})
 }
 

go.mod

@@ -1,14 +1,30 @@
 module github.com/SemRels/provider-github
 
-go 1.24
+go 1.24.0
 
-toolchain go1.24.0
-
-require github.com/stretchr/testify v1.10.0
+require (
+	github.com/SemRels/semrel-api v0.1.5
+	github.com/google/go-github/v69 v69.2.0
+	github.com/hashicorp/go-plugin v1.8.0
+	github.com/stretchr/testify v1.10.0
+)
 
 require (
 	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/fatih/color v1.13.0 // indirect
+	github.com/golang/protobuf v1.5.4 // indirect
+	github.com/google/go-querystring v1.1.0 // indirect
+	github.com/hashicorp/go-hclog v1.6.3 // indirect
+	github.com/hashicorp/yamux v0.1.2 // indirect
+	github.com/mattn/go-colorable v0.1.12 // indirect
+	github.com/mattn/go-isatty v0.0.17 // indirect
+	github.com/oklog/run v1.1.0 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
+	golang.org/x/net v0.48.0 // indirect
+	golang.org/x/sys v0.41.0 // indirect
+	golang.org/x/text v0.34.0 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20251202230838-ff82c1b0f217 // indirect
+	google.golang.org/grpc v1.79.3 // indirect
+	google.golang.org/protobuf v1.36.11 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )
-

go.sum

@@ -1,9 +1,85 @@
+github.com/SemRels/semrel-api v0.1.5 h1:AryW7TXonDY+YmAtwFRPr9bZgfOb5p/c8pWYW6BoQ0Y=
+github.com/SemRels/semrel-api v0.1.5/go.mod h1:mfmpNLpy5zzxbq+1OEs8cmy2Do6rLgQnC615K2RnHow=
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internal/grpc/server.go

@@ -1,33 +1,8 @@
 // SPDX-License-Identifier: Apache-2.0
-// SPDX-FileCopyrightText: 2026 The plugin-template Authors
+// SPDX-FileCopyrightText: 2026 The SemRels Authors
 
+// Package grpc is kept for backwards compatibility; the plugin transport is
+// now handled by hashicorp/go-plugin via semrel-api. This file is intentionally
+// empty — transport logic lives in cmd/plugin/main.go.
 package grpc
 
-import (
-	"context"
-
-	semrelplugin "github.com/SemRels/provider-github/internal/plugin"
-)
-
-// HealthResponse is a lightweight stand-in until generated protobuf bindings are wired in.
-type HealthResponse struct {
-	Name string
-}
-
-// ProviderServer adapts a provider implementation for the future gRPC transport layer.
-type ProviderServer struct {
-	provider semrelplugin.Provider
-}
-
-func NewProviderServer(provider semrelplugin.Provider) *ProviderServer {
-	return &ProviderServer{provider: provider}
-}
-
-func (s *ProviderServer) Health(ctx context.Context) (*HealthResponse, error) {
-	if err := s.provider.HealthCheck(ctx); err != nil {
-		return nil, err
-	}
-
-	return &HealthResponse{Name: s.provider.Name()}, nil
-}
-