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run npm publish if deployment event caught
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,133 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "encoding/json" | ||
| "fmt" | ||
| "io" | ||
| "log" | ||
| "os" | ||
| "os/exec" | ||
| "strings" | ||
|
|
||
| "github.com/google/go-github/v29/github" | ||
| ) | ||
|
|
||
| func main() { | ||
| if err := run(os.Args); err != nil { | ||
| log.Printf("! %s", err) | ||
| os.Exit(1) | ||
| } | ||
| } | ||
|
|
||
| func run(argv []string) error { | ||
| if err := handleEvent(os.Stdin); err != nil { | ||
| return fmt.Errorf("failed to handle event: %w", err) | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| type deploymentPayload struct { | ||
| NextVersion string `json:"nextVersion"` | ||
| } | ||
|
|
||
| func handleEvent(input io.Reader) error { | ||
| var event github.DeploymentEvent | ||
| if err := json.NewDecoder(input).Decode(&event); err != nil { | ||
| return fmt.Errorf("failed to parse input as DeploymentEvent: %w", err) | ||
| } | ||
|
|
||
| deployment := event.GetDeployment() | ||
| var payloadJSON string | ||
| if err := json.Unmarshal(deployment.Payload, &payloadJSON); err != nil { | ||
| return fmt.Errorf("failed to parse DeploymentEvent.Deployment.Payload: %w", err) | ||
| } | ||
| payload := new(deploymentPayload) | ||
| if err := json.Unmarshal([]byte(payloadJSON), payload); err != nil { | ||
| return fmt.Errorf("failed to parse DeploymentEvent.Deployment.Payload: %w", err) | ||
| } | ||
| log.Printf("deployment (task:%q) requested on ref:%q sha:%q payload:%#v", deployment.GetTask(), deployment.GetRef(), deployment.GetSHA(), payload) | ||
|
|
||
| packageJSONPath := "package.json" | ||
| if err := bumpVersion(packageJSONPath, payload.NextVersion); err != nil { | ||
| return fmt.Errorf("failed to bump version: %w", err) | ||
| } | ||
|
|
||
| dryRun := os.Getenv("DO_CHANGE") == "" | ||
| if err := publishToNPM(dryRun); err != nil { | ||
| return fmt.Errorf("failed to publish package to NPM: %w", err) | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| type pkgJSON map[string]json.RawMessage | ||
|
|
||
| func bumpVersion(pkgJSONPath string, nextVersion string) error { | ||
| forRead, err := os.Open(pkgJSONPath) | ||
| if err != nil { | ||
| return fmt.Errorf("cannot open %s: %w", pkgJSONPath, err) | ||
| } | ||
| var pkgJSON pkgJSON | ||
| if err := json.NewDecoder(forRead).Decode(&pkgJSON); err != nil { | ||
| return fmt.Errorf("failed to decode package.json: %w", err) | ||
| } | ||
| if err := forRead.Close(); err != nil { | ||
| return fmt.Errorf("cannot close %s: %w", pkgJSONPath, err) | ||
| } | ||
|
|
||
| if string(pkgJSON["version"]) == fmt.Sprintf("%q", nextVersion) { | ||
| return fmt.Errorf("version not changed; current:%s next:%q", string(pkgJSON["version"]), nextVersion) | ||
| } | ||
|
|
||
| forUpdate, err := os.Create(pkgJSONPath) | ||
| if err != nil { | ||
| return fmt.Errorf("cannot open %s for write: %w", pkgJSONPath, err) | ||
| } | ||
| log.Printf("bump version to %q", nextVersion) | ||
| pkgJSON["version"] = json.RawMessage(fmt.Sprintf("%q", nextVersion)) | ||
| enc := json.NewEncoder(forUpdate) | ||
| enc.SetEscapeHTML(false) | ||
| enc.SetIndent("", " ") | ||
| if err := enc.Encode(&pkgJSON); err != nil { | ||
| return fmt.Errorf("cannot update %s: %w", pkgJSONPath, err) | ||
| } | ||
|
|
||
| if err := doCommand("git", "add", "-u", pkgJSONPath); err != nil { | ||
| return fmt.Errorf("failed to git add: %w", err) | ||
| } | ||
| if err := doCommand("git", "commit", "-m", fmt.Sprintf("bump version to %s", nextVersion)); err != nil { | ||
| return fmt.Errorf("failed to git commit (maybe any files not staged): %w", err) | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| func publishToNPM(dryRun bool) error { | ||
| args := []string{"publish", "--access", "publish"} | ||
| if dryRun { | ||
| args = append(args, "--dry-run") | ||
| } | ||
| if err := doCommand("npm", args...); err != nil { | ||
| return fmt.Errorf("failed execute npm publish: %w", err) | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| func pushBumpedVersion(dryRun bool, remote, branch string) error { | ||
| args := []string{"push", remote, branch} | ||
| if dryRun { | ||
| args = append(args, "--dry-run") | ||
| } | ||
| if err := doCommand("git", args...); err != nil { | ||
| return fmt.Errorf("failed to git push: %w", err) | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| func doCommand(name string, arg ...string) error { | ||
| log.Printf("run command: %s %s", name, strings.Join(arg, " ")) | ||
| cmd := exec.Command(name, arg...) | ||
| cmd.Stdout = os.Stdout | ||
| cmd.Stderr = os.Stderr | ||
| return cmd.Run() | ||
| } |