From 25e1cddc1b1198e89ed38f02ba2879447f765977 Mon Sep 17 00:00:00 2001
From: Frank Schroeder <frank.schroeder@gmail.com>
Date: Wed, 6 Dec 2017 00:06:37 +0100
Subject: [PATCH] feat: allow env vars for docker tag_template

Add env var support for the Docker tag_template field incl. test.
---
 pipeline/docker/docker.go      | 2 ++
 pipeline/docker/docker_test.go | 5 +++--
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/pipeline/docker/docker.go b/pipeline/docker/docker.go
index 3bf1a18bc..88a2fad49 100644
--- a/pipeline/docker/docker.go
+++ b/pipeline/docker/docker.go
@@ -95,9 +95,11 @@ func tagName(ctx *context.Context, docker config.Docker) (string, error) {
 	}
 	data := struct {
 		Version, Tag string
+		Env          map[string]string
 	}{
 		Version: ctx.Version,
 		Tag:     ctx.Git.CurrentTag,
+		Env:     ctx.Env,
 	}
 	err = t.Execute(&out, data)
 	return out.String(), err
diff --git a/pipeline/docker/docker_test.go b/pipeline/docker/docker_test.go
index 1f627ba0c..04d9348a7 100644
--- a/pipeline/docker/docker_test.go
+++ b/pipeline/docker/docker_test.go
@@ -53,7 +53,7 @@ func TestRunPipe(t *testing.T) {
 				Dockerfile:  "testdata/Dockerfile",
 				Binary:      "mybin",
 				Latest:      true,
-				TagTemplate: "{{.Tag}}",
+				TagTemplate: "{{.Tag}}-{{.Env.FOO}}",
 			},
 			err: "",
 		},
@@ -82,7 +82,7 @@ func TestRunPipe(t *testing.T) {
 		},
 	}
 	var images = []string{
-		"localhost:5000/goreleaser/test_run_pipe:v1.0.0",
+		"localhost:5000/goreleaser/test_run_pipe:v1.0.0-123",
 		"localhost:5000/goreleaser/test_run_pipe:latest",
 	}
 	// this might fail as the image doesnt exist yet, so lets ignore the error
@@ -105,6 +105,7 @@ func TestRunPipe(t *testing.T) {
 						docker.docker,
 					},
 				},
+				Env: map[string]string{"FOO": "123"},
 			}
 			for _, plat := range []string{"linuxamd64", "linux386", "darwinamd64"} {
 				ctx.AddBinary(plat, "mybin", "mybin", binPath)