Merge pull request gruntwork-io#387 from gruntwork-io/terragrunt-sour…

…ce-update-env-var Add TERRAGRUNT_SOURCE_UPDATE env var
JulianoCristian · Dec 1, 2017 · f4fc5d8 · f4fc5d8
2 parents dc9a799 + 2f77553
commit f4fc5d8
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diff --git a/README.md b/README.md
@@ -1655,7 +1655,7 @@ start with the prefix `--terragrunt-`. The currently available options are:
   module to the `--terragrunt-source` parameter you passed in.
 
 * `--terragrunt-source-update`: Delete the contents of the temporary folder before downloading Terraform source code
-  into it.
+  into it. Can also be enabled by setting the `TERRAGRUNT_SOURCE_UPDATE` environment variable to `true`.
 
 * `--terragrunt-ignore-dependency-errors`: `*-all` commands continue processing components even if a dependency fails
 

diff --git a/cli/args.go b/cli/args.go
@@ -66,7 +66,7 @@ func parseTerragruntOptionsFromArgs(args []string, writer, errWriter io.Writer)
 		return nil, err
 	}
 
-	sourceUpdate := parseBooleanArg(args, OPT_TERRAGRUNT_SOURCE_UPDATE, false)
+	sourceUpdate := parseBooleanArg(args, OPT_TERRAGRUNT_SOURCE_UPDATE, os.Getenv("TERRAGRUNT_SOURCE_UPDATE") == "true" || os.Getenv("TERRAGRUNT_SOURCE_UPDATE") == "1")
 
 	ignoreDependencyErrors := parseBooleanArg(args, OPT_TERRAGRUNT_IGNORE_DEPENDENCY_ERRORS, false)