skip YAML document delimiter

godotenv_test.go

@@ -13,7 +13,6 @@ var noopPresets = make(map[string]string)
 
 func parseAndCompare(t *testing.T, rawEnvLine string, expectedKey string, expectedValue string) {
 	result, err := Unmarshal(rawEnvLine)
-
 	if err != nil {
 		t.Errorf("Expected %q to parse as %q: %q, errored %q", rawEnvLine, expectedKey, expectedValue, err)
 		return
@@ -342,7 +341,7 @@ func TestParsing(t *testing.T) {
 	// parses yaml style options
 	parseAndCompare(t, "OPTION_A: 1", "OPTION_A", "1")
 
-	//parses yaml values with equal signs
+	// parses yaml values with equal signs
 	parseAndCompare(t, "OPTION_A: Foo=bar", "OPTION_A", "Foo=bar")
 
 	// parses non-yaml options with colons
@@ -394,13 +393,16 @@ func TestParsing(t *testing.T) {
 	parseAndCompare(t, `FOO="ba#r"`, "FOO", "ba#r")
 	parseAndCompare(t, "FOO='ba#r'", "FOO", "ba#r")
 
-	//newlines and backslashes should be escaped
+	// newlines and backslashes should be escaped
 	parseAndCompare(t, `FOO="bar\n\ b\az"`, "FOO", "bar\n baz")
 	parseAndCompare(t, `FOO="bar\\\n\ b\az"`, "FOO", "bar\\\n baz")
 	parseAndCompare(t, `FOO="bar\\r\ b\az"`, "FOO", "bar\\r baz")
 
 	parseAndCompare(t, `="value"`, "", "value")
 
+	// YAML delimiter should be skipped
+	parseAndCompare(t, "---\nKEY:value", "KEY", "value")
+
 	// unquoted whitespace around keys should be ignored
 	parseAndCompare(t, " KEY =value", "KEY", "value")
 	parseAndCompare(t, "   KEY=value", "KEY", "value")
@@ -487,22 +489,21 @@ func TestWrite(t *testing.T) {
 			t.Errorf("Expected '%v' (%v) to write as '%v', got '%v' instead.", env, envMap, expected, actual)
 		}
 	}
-	//just test some single lines to show the general idea
-	//TestRoundtrip makes most of the good assertions
+	// just test some single lines to show the general idea
+	// TestRoundtrip makes most of the good assertions
 
-	//values are always double-quoted
+	// values are always double-quoted
 	writeAndCompare(`key=value`, `key="value"`)
-	//double-quotes are escaped
+	// double-quotes are escaped
 	writeAndCompare(`key=va"lu"e`, `key="va\"lu\"e"`)
-	//but single quotes are left alone
+	// but single quotes are left alone
 	writeAndCompare(`key=va'lu'e`, `key="va'lu'e"`)
 	// newlines, backslashes, and some other special chars are escaped
 	writeAndCompare(`foo="\n\r\\r!"`, `foo="\n\r\\r\!"`)
 	// lines should be sorted
 	writeAndCompare("foo=bar\nbaz=buzz", "baz=\"buzz\"\nfoo=\"bar\"")
 	// integers should not be quoted
 	writeAndCompare(`key="10"`, `key=10`)
-
 }
 
 func TestRoundtrip(t *testing.T) {
@@ -582,42 +583,42 @@ func TestWhitespace(t *testing.T) {
 	}{
 		"Leading whitespace": {
 			input: " A=a\n",
-			key: "A",
+			key:   "A",
 			value: "a",
 		},
 		"Leading tab": {
 			input: "\tA=a\n",
-			key: "A",
+			key:   "A",
 			value: "a",
 		},
 		"Leading mixed whitespace": {
 			input: " \t \t\n\t \t A=a\n",
-			key: "A",
+			key:   "A",
 			value: "a",
 		},
 		"Leading whitespace before export": {
 			input: " \t\t export    A=a\n",
-			key: "A",
+			key:   "A",
 			value: "a",
 		},
 		"Trailing whitespace": {
 			input: "A=a \t \t\n",
-			key: "A",
+			key:   "A",
 			value: "a",
 		},
 		"Trailing whitespace with export": {
 			input: "export A=a\t \t \n",
-			key: "A",
+			key:   "A",
 			value: "a",
 		},
 		"No EOL": {
 			input: "A=a",
-			key: "A",
+			key:   "A",
 			value: "a",
 		},
 		"Trailing whitespace with no EOL": {
 			input: "A=a ",
-			key: "A",
+			key:   "A",
 			value: "a",
 		},
 	}

parser.go

@@ -18,6 +18,8 @@ const (
 )
 
 func parseBytes(src []byte, out map[string]string) error {
+	// skip YAML document delimiter
+	src = bytes.Replace(src, []byte("---\n"), []byte("\n"), -1)
 	src = bytes.Replace(src, []byte("\r\n"), []byte("\n"), -1)
 	cutset := src
 	for {