write auth.json file

fix non-docker registry builds

.drone.yml

@@ -166,7 +166,7 @@ steps:
 
 trigger:
   ref:
-  - refs/heads/main
+  - refs/heads/master
   - "refs/tags/**"
 
 depends_on:

docker.go

@@ -5,6 +5,7 @@ import (
 	"io/ioutil"
 	"os"
 	"os/exec"
+	"os/user"
 	"path/filepath"
 	"strings"
 	"time"
@@ -59,23 +60,28 @@ type (
 func (p Plugin) Exec() error {
 	// Create Auth Config File
 	if p.Login.Config != "" {
-		homeDir, err := os.UserHomeDir()
+		user, err := user.Current()
 		if err != nil {
-			return fmt.Errorf("failed to find home directory: %s", err)
+			return fmt.Errorf("Error getting the current user: %s", err)
+		}
+		root := fmt.Sprintf("/var/tmp/%s/containers/containers/", user.Uid)
+		if err := os.MkdirAll(root, 0777); err != nil {
+			return fmt.Errorf("Error writing runtime dir: %s", err)
 		}
-		dockerHome := fmt.Sprintf("%s/.docker/config.json", homeDir)
-		os.MkdirAll(dockerHome, 0600)
 
-		path := filepath.Join(dockerHome, "config.json")
-		err = ioutil.WriteFile(path, []byte(p.Login.Config), 0600)
-		if err != nil {
-			return fmt.Errorf("Error writing config.json: %s", err)
+		path := filepath.Join(root, "auth.json")
+		if err := ioutil.WriteFile(path, []byte(p.Login.Config), 0600); err != nil {
+			return fmt.Errorf("Error writing auth.json: %s", err)
 		}
+
+		fmt.Printf("Config written to %s\n", path)
 	}
 
 	// login to the Docker registry
 	if p.Login.Password != "" {
 		cmd := commandLogin(p.Login)
+		cmd.Stdout = os.Stdout
+		cmd.Stderr = os.Stderr
 		err := cmd.Run()
 		if err != nil {
 			return fmt.Errorf("Error authenticating: %s", err)

docker/acr/Dockerfile.linux.amd64

@@ -18,5 +18,6 @@ USER build
 WORKDIR /home/build
 
 # Add plugin binary
+ADD release/linux/amd64/drone-docker /bin/
 ADD release/linux/amd64/drone-acr /bin/
 ENTRYPOINT ["/bin/drone-acr"]

docker/ecr/Dockerfile.linux.amd64

@@ -18,5 +18,6 @@ USER build
 WORKDIR /home/build
 
 # Add plugin binary
+ADD release/linux/amd64/drone-docker /bin/
 ADD release/linux/amd64/drone-ecr /bin/
 ENTRYPOINT ["/bin/drone-ecr"]

docker/gcr/Dockerfile.linux.amd64

@@ -18,5 +18,6 @@ USER build
 WORKDIR /home/build
 
 # Add plugin binary
+ADD release/linux/amd64/drone-docker /bin/
 ADD release/linux/amd64/drone-gcr /bin/
 ENTRYPOINT ["/bin/drone-gcr"]

docker/heroku/Dockerfile.linux.amd64

@@ -18,5 +18,6 @@ USER build
 WORKDIR /home/build
 
 # Add plugin binary
+ADD release/linux/amd64/drone-docker /bin/
 ADD release/linux/amd64/drone-heroku /bin/
 ENTRYPOINT ["/bin/drone-heroku"]