Add custom enhancements

pkg/runner/run_context.go

@@ -66,7 +66,7 @@ func (rc *RunContext) GetEnv() map[string]string {
 }
 
 func (rc *RunContext) jobContainerName() string {
-	return createContainerName("act", rc.String())
+	return createContainerName(rc.Config.ContainerNamePrefix, rc.String())
 }
 
 // Returns the binds and mounts for the container, resolving paths as appopriate
@@ -447,6 +447,25 @@ func (rc *RunContext) getGithubContext(ctx context.Context) *model.GithubContext
 		ghc.Actor = "nektos/act"
 	}
 
+	if preset := rc.Config.PresetGitHubContext; preset != nil {
+		ghc.Event = preset.Event
+		ghc.RunID = preset.RunID
+		ghc.RunNumber = preset.RunNumber
+		ghc.Actor = preset.Actor
+		ghc.Repository = preset.Repository
+		ghc.EventName = preset.EventName
+		ghc.Sha = preset.Sha
+		ghc.Ref = preset.Ref
+		ghc.RefName = preset.RefName
+		ghc.RefType = preset.RefType
+		ghc.HeadRef = preset.HeadRef
+		ghc.BaseRef = preset.BaseRef
+		ghc.Token = preset.Token
+		ghc.RepositoryOwner = preset.RepositoryOwner
+		ghc.RetentionDays = preset.RetentionDays
+		return ghc
+	}
+
 	repoPath := rc.Config.Workdir
 	repo, err := git.FindGithubRepo(ctx, repoPath, rc.Config.GitHubInstance, rc.Config.RemoteName)
 	if err != nil {

pkg/runner/runner.go

@@ -55,6 +55,10 @@ type Config struct {
 	RemoteName                         string            // remote name in local git repo config
 	ReplaceGheActionWithGithubCom      []string          // Use actions from GitHub Enterprise instance to GitHub
 	ReplaceGheActionTokenWithGithubCom string            // Token of private action repo on GitHub.
+
+	PresetGitHubContext *model.GithubContext // the preset github context, overrides some fields like DefaultBranch, Env, Secrets etc.
+	EventJSON           string               // the content of JSON file to use for event.json in containers, overrides EventPath
+	ContainerNamePrefix string               // the prefix of container name
 }
 
 // Resolves the equivalent host path inside the container
@@ -109,7 +113,9 @@ func New(runnerConfig *Config) (Runner, error) {
 	}
 
 	runner.eventJSON = "{}"
-	if runnerConfig.EventPath != "" {
+	if runnerConfig.EventJSON != "" {
+		runner.eventJSON = runnerConfig.EventJSON
+	} else if runnerConfig.EventPath != "" {
 		log.Debugf("Reading event.json from %s", runner.config.EventPath)
 		eventJSONBytes, err := os.ReadFile(runner.config.EventPath)
 		if err != nil {