treewide: use optionalString instead of 'then ""'

1 files changed, 7 insertions, 7 deletions

diff --git a/pkgs/build-support/cc-wrapper/default.nix b/pkgs/build-support/cc-wrapper/default.nix
index ffde44c538e3a..a843e64402025 100644
--- a/pkgs/build-support/cc-wrapper/default.nix
+++ b/pkgs/build-support/cc-wrapper/default.nix
@@ -75,14 +75,14 @@ let
   ccVersion = lib.getVersion cc;
   ccName = lib.removePrefix targetPrefix (lib.getName cc);
 
-  libc_bin = if libc == null then "" else getBin libc;
-  libc_dev = if libc == null then "" else getDev libc;
-  libc_lib = if libc == null then "" else getLib libc;
+  libc_bin = optionalString (libc != null) (getBin libc);
+  libc_dev = optionalString (libc != null) (getDev libc);
+  libc_lib = optionalString (libc != null) (getLib libc);
   cc_solib = getLib cc
     + optionalString (targetPlatform != hostPlatform) "/${targetPlatform.config}";
 
   # The wrapper scripts use 'cat' and 'grep', so we may need coreutils.
-  coreutils_bin = if nativeTools then "" else getBin coreutils;
+  coreutils_bin = optionalString (!nativeTools) (getBin coreutils);
 
   # The "suffix salt" is a arbitrary string added in the end of env vars
   # defined by cc-wrapper's hooks so that multiple cc-wrappers can be used
@@ -164,7 +164,7 @@ assert nativePrefix == bintools.nativePrefix;
 stdenv.mkDerivation {
   pname = targetPrefix
     + (if name != "" then name else "${ccName}-wrapper");
-  version = if cc == null then "" else ccVersion;
+  version = optionalString (cc != null) ccVersion;
 
   preferLocalBuild = true;
 
@@ -600,10 +600,10 @@ stdenv.mkDerivation {
     # for substitution in utils.bash
     expandResponseParams = "${expand-response-params}/bin/expand-response-params";
     shell = getBin shell + shell.shellPath or "";
-    gnugrep_bin = if nativeTools then "" else gnugrep;
+    gnugrep_bin = optionalString (!nativeTools) gnugrep;
     # stdenv.cc.cc should not be null and we have nothing better for now.
     # if the native impure bootstrap is gotten rid of this can become `inherit cc;` again.
-    cc = if nativeTools then "" else cc;
+    cc = optionalString (!nativeTools) cc;
     wrapperName = "CC_WRAPPER";
     inherit suffixSalt coreutils_bin bintools;
     inherit libc_bin libc_dev libc_lib;