fix: trim comments that are not modifers

See coop-cloud/organising#505

pkg/config/env.go

@@ -36,6 +36,11 @@ var REPOS_BASE_URL = "https://git.coopcloud.tech/coop-cloud"
 var CATALOGUE_JSON_REPO_NAME = "recipes-catalogue-json"
 var SSH_URL_TEMPLATE = "ssh://git@git.coopcloud.tech:2222/coop-cloud/%s.git"
 
+// envVarModifiers is a list of env var modifier strings. These are added to
+// env vars as comments and modify their processing by Abra, e.g. determining
+// how long secrets should be.
+var envVarModifiers = []string{"length"}
+
 // GetServers retrieves all servers.
 func GetServers() ([]string, error) {
 	var servers []string
@@ -50,18 +55,38 @@ func GetServers() ([]string, error) {
 	return servers, nil
 }
 
+// ContainsEnvVarModifier determines if an env var contains a modifier.
+func ContainsEnvVarModifier(envVar string) bool {
+	for _, mod := range envVarModifiers {
+		if strings.Contains(envVar, fmt.Sprintf("%s=", mod)) {
+			return true
+		}
+	}
+	return false
+}
+
 // ReadEnv loads an app envivornment into a map.
 func ReadEnv(filePath string) (AppEnv, error) {
-	var envFile AppEnv
+	var envVars AppEnv
 
-	envFile, err := godotenv.Read(filePath)
+	envVars, err := godotenv.Read(filePath)
 	if err != nil {
 		return nil, err
 	}
 
-	logrus.Debugf("read %s from %s", envFile, filePath)
+	for idx, envVar := range envVars {
+		if strings.Contains(envVar, "#") {
+			if ContainsEnvVarModifier(envVar) {
+				continue
+			}
+			vals := strings.Split(envVar, "#")
+			envVars[idx] = strings.TrimSpace(vals[0])
+		}
+	}
 
-	return envFile, nil
+	logrus.Debugf("read %s from %s", envVars, filePath)
+
+	return envVars, nil
 }
 
 // ReadServerNames retrieves all server names.