fix: dependencies and conflicts on brew tap

They were being inlined, generating an invalid receipt.

closes #416

pipeline/brew/brew_test.go

@@ -67,7 +67,7 @@ func TestFullFormulae(t *testing.T) {
 	bts, err := ioutil.ReadFile("testdata/test.rb")
 	assert.NoError(t, err)
 	// ioutil.WriteFile("testdata/test.rb", []byte(formulae), 0644)
-  
+
 	assert.Equal(t, string(bts), formulae)
 }
 
@@ -116,8 +116,8 @@ func TestRunPipe(t *testing.T) {
 				Caveats:      "don't do this",
 				Test:         "system \"true\"\nsystem \"#{bin}/foo -h\"",
 				Plist:        `<xml>whatever</xml>`,
-				Dependencies: []string{"zsh"},
-				Conflicts:    []string{"gtk+"},
+				Dependencies: []string{"zsh", "bash"},
+				Conflicts:    []string{"gtk+", "qt"},
 				Install:      `bin.install "foo"`,
 			},
 		},
@@ -136,7 +136,7 @@ func TestRunPipe(t *testing.T) {
 
 	bts, err := ioutil.ReadFile("testdata/run_pipe.rb")
 	assert.NoError(t, err)
-	// assert.NoError(ioutil.WriteFile("testdata/run_pipe.rb", []byte(client.Content), 0644))
+	// ioutil.WriteFile("testdata/run_pipe.rb", []byte(client.Content), 0644)
 
 	assert.Equal(t, string(bts), client.Content)
 }

pipeline/brew/template.go

@@ -28,14 +28,13 @@ const formulaTemplate = `class {{ .Name }} < Formula
   sha256 "{{ .SHA256 }}"
 
   {{- if .Dependencies }}
-
-  {{ range $index, $element := .Dependencies -}}
+  {{ range $index, $element := .Dependencies }}
   depends_on "{{ . }}"
   {{- end }}
   {{- end -}}
 
   {{- if .Conflicts }}
-  {{ range $index, $element := .Conflicts -}}
+  {{ range $index, $element := .Conflicts }}
   conflicts_with "{{ . }}"
   {{- end }}
   {{- end }}

pipeline/brew/testdata/run_pipe.rb

@@ -4,9 +4,12 @@ class RunPipe < Formula
   url "https://github.com/test/test/releases/download/v1.0.1/bin.tar.gz"
   version "1.0.1"
   sha256 "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
-
+  
   depends_on "zsh"
+  depends_on "bash"
+  
   conflicts_with "gtk+"
+  conflicts_with "qt"
 
   def install
     bin.install "foo"

pipeline/brew/testdata/test.rb

@@ -4,8 +4,9 @@ class Test < Formula
   url "https://github.com/caarlos0/test/releases/download/v0.1.3/test_Darwin_x86_64.tar.gz"
   version "0.1.3"
   sha256 "1633f61598ab0791e213135923624eb342196b3494909c91899bcd0560f84c68"
-
+  
   depends_on "gtk+"
+  
   conflicts_with "svn"
 
   def install