add option to choose specific git repo branches for an environment

api/server/handlers/environment/create.go

@@ -70,6 +70,7 @@ func (c *CreateEnvironmentHandler) ServeHTTP(w http.ResponseWriter, r *http.Requ
 		Name:                request.Name,
 		GitRepoOwner:        owner,
 		GitRepoName:         name,
+		GitRepoBranches:     strings.Join(request.GitRepoBranches, ","),
 		Mode:                request.Mode,
 		WebhookID:           string(webhookUID),
 		NewCommentsDisabled: false,

api/server/handlers/webhook/github_incoming.go

@@ -89,6 +89,23 @@ func (c *GithubIncomingWebhookHandler) processPullRequestEvent(event *github.Pul
 			webhookID, owner, repo, err)
 	}
 
+	envType := env.ToEnvironmentType()
+
+	if len(envType.GitRepoBranches) > 0 {
+		found := false
+
+		for _, br := range envType.GitRepoBranches {
+			if br == event.GetPullRequest().GetHead().GetRef() {
+				found = true
+				break
+			}
+		}
+
+		if !found {
+			return nil
+		}
+	}
+
 	// create deployment on GitHub API
 	client, err := getGithubClientFromEnvironment(c.Config(), env)
 

api/types/environment.go

@@ -3,12 +3,13 @@ package types
 import "time"
 
 type Environment struct {
-	ID                uint   `json:"id"`
-	ProjectID         uint   `json:"project_id"`
-	ClusterID         uint   `json:"cluster_id"`
-	GitInstallationID uint   `json:"git_installation_id"`
-	GitRepoOwner      string `json:"git_repo_owner"`
-	GitRepoName       string `json:"git_repo_name"`
+	ID                uint     `json:"id"`
+	ProjectID         uint     `json:"project_id"`
+	ClusterID         uint     `json:"cluster_id"`
+	GitInstallationID uint     `json:"git_installation_id"`
+	GitRepoOwner      string   `json:"git_repo_owner"`
+	GitRepoName       string   `json:"git_repo_name"`
+	GitRepoBranches   []string `json:"branches"`
 
 	Name                 string `json:"name"`
 	Mode                 string `json:"mode"`
@@ -18,8 +19,9 @@ type Environment struct {
 }
 
 type CreateEnvironmentRequest struct {
-	Name string `json:"name" form:"required"`
-	Mode string `json:"mode" form:"oneof=auto manual" default:"manual"`
+	Name            string   `json:"name" form:"required"`
+	Mode            string   `json:"mode" form:"oneof=auto manual" default:"manual"`
+	GitRepoBranches []string `json:"git_repo_branches"`
 }
 
 type GitHubMetadata struct {

internal/models/environment.go

@@ -1,6 +1,8 @@
 package models
 
 import (
+	"strings"
+
 	"github.com/porter-dev/porter/api/types"
 	"gorm.io/gorm"
 )
@@ -15,6 +17,7 @@ type Environment struct {
 	GitInstallationID uint
 	GitRepoOwner      string
 	GitRepoName       string
+	GitRepoBranches   string
 
 	Name string
 	Mode string
@@ -37,6 +40,7 @@ func (e *Environment) ToEnvironmentType() *types.Environment {
 		GitRepoOwner:      e.GitRepoOwner,
 		GitRepoName:       e.GitRepoName,
 
+		GitRepoBranches:     strings.Split(e.GitRepoBranches, ","),
 		NewCommentsDisabled: e.NewCommentsDisabled,
 
 		Name: e.Name,