Merge pull request #231 from budimanjojo/220

fix(substitute): fix issue parsing env file with yaml document delimiter

pkg/substitute/envsubst.go

@@ -24,6 +24,8 @@ func LoadEnvFromFiles(files []string) error {
 				return fmt.Errorf("trying to decrypt %s with sops: %s", file, err)
 			}
 
+			// See: https://github.com/budimanjojo/talhelper/issues/220
+			env = stripYAMLDocDelimiter(env)
 			if err := LoadEnv(env); err != nil {
 				return fmt.Errorf("trying to load env from %s: %s", file, err)
 			}
@@ -86,3 +88,8 @@ func stripYamlComment(file []byte) []byte {
 
 	return final.Bytes()
 }
+
+// stripYAMLDocDelimiter replace YAML document delimiter with empty line
+func stripYAMLDocDelimiter(src []byte) []byte {
+	return bytes.ReplaceAll(src, []byte("---\n"), []byte("\n"))
+}

pkg/substitute/testdata/file1.yml

@@ -1,2 +1,3 @@
+---
 env1: hello
 env2: invalid value

pkg/substitute/testdata/file2.yaml

@@ -1,2 +1,3 @@
+---
 env2: world
 env3: this is value