git: one generator per app, multiple instances

this allows locking for access for each org

workflow-pr/main.go

@@ -57,13 +57,6 @@ var PRID int64
 var CurrentUser *models.User
 
 func main() {
-	if err := common.RequireGiteaSecretToken(); err != nil {
-		log.Fatal(err)
-	}
-	if err := common.RequireRabbitSecrets(); err != nil {
-		log.Fatal(err)
-	}
-
 	workflowConfig := flag.String("config", "", "Repository and workflow definition file")
 	giteaUrl := flag.String("gitea-url", "https://src.opensuse.org", "Gitea instance")
 	rabbitUrl := flag.String("url", "amqps://rabbit.opensuse.org", "URL for RabbitMQ instance")
@@ -73,8 +66,16 @@ func main() {
 	flag.BoolVar(&ListPROnly, "list-prs-only", false, "Only lists PRs without acting on them")
 	flag.Int64Var(&PRID, "id", -1, "Process only the specific ID and ignore the rest. Use for debugging")
 
+	gitPath := flag.String("git-path", "", "Path to work location. Using temp path by default")
 	flag.Parse()
 
+	if err := common.RequireGiteaSecretToken(); err != nil {
+		log.Fatal(err)
+	}
+	if err := common.RequireRabbitSecrets(); err != nil {
+		log.Fatal(err)
+	}
+
 	if len(*workflowConfig) == 0 {
 		log.Fatalln("No configuratio file specified. Aborting")
 	}
@@ -85,7 +86,7 @@ func main() {
 		log.Fatal(err)
 	}
 
-	configs, err := common.ResolveWorkflowConfigs(gitea, config) 
+	configs, err := common.ResolveWorkflowConfigs(gitea, config)
 	if err != nil {
 		log.Fatal(err)
 	}
@@ -93,7 +94,11 @@ func main() {
 	req := new(RequestProcessor)
 
 	req.configuredRepos = make(map[string][]*common.AutogitConfig)
-	req.git = &common.GitHandlerGeneratorImpl{}
+	req.git, err = common.AllocateGitWorkTree(*gitPath, GitAuthor, GitEmail)
+	if err != nil {
+		log.Fatal(err)
+	}
+
 	orgs := make([]string, 0, 1)
 	for _, c := range configs {
 		if slices.Contains(c.Workflows, "pr") {