From db55d1f89d3ee2aa0019aceb40c233d509eb2811 Mon Sep 17 00:00:00 2001
From: Andreas Rammhold <andreas@rammhold.de>
Date: Wed, 11 Dec 2019 22:40:19 +0100
Subject: [PATCH] buildRustCrate: use tr instead of sed (it reads a bit nicer)

I already have a few changes in here that will trigger rebuilds so I
might as well do that substitution now.
---
 pkgs/build-support/rust/build-rust-crate/build-crate.nix | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/pkgs/build-support/rust/build-rust-crate/build-crate.nix b/pkgs/build-support/rust/build-rust-crate/build-crate.nix
index c3880a1fc877..be678ce927bd 100644
--- a/pkgs/build-support/rust/build-rust-crate/build-crate.nix
+++ b/pkgs/build-support/rust/build-rust-crate/build-crate.nix
@@ -36,7 +36,7 @@
 
     build_bin() {
       crate_name=$1
-      crate_name_=$(echo $crate_name | sed -e "s/-/_/g")
+      crate_name_=$(echo $crate_name | tr '-' '_')
       main_file=""
       if [[ ! -z $2 ]]; then
         main_file=$2
@@ -54,7 +54,7 @@
 
 
     EXTRA_LIB=""
-    CRATE_NAME=$(echo ${libName} | sed -e "s/-/_/g")
+    CRATE_NAME=$(echo ${libName} | tr '-' '_')
 
     if [[ -e target/link_ ]]; then
       EXTRA_BUILD="$(cat target/link_) $EXTRA_BUILD"
@@ -108,7 +108,7 @@
         # https://github.com/rust-lang/cargo/blob/90fc9f620190d5fa3c80b0c8c65a1e1361e6b8ae/src/cargo/util/toml/targets.rs#L308-L325
 
         # the first two cases are the "new" default IIRC
-        BIN_NAME_=$(echo $BIN_NAME | sed -e 's/-/_/g')
+        BIN_NAME_=$(echo $BIN_NAME | tr '-' '_')
         FILES=( "src/bin/$BIN_NAME.rs" "src/bin/$BIN_NAME/main.rs" "src/bin/$BIN_NAME_.rs" "src/bin/$BIN_NAME_/main.rs" "src/bin/main.rs" "src/main.rs" )
 
         if ! [ -e "${libPath}" -o -e src/lib.rs -o -e "src/${libName}.rs" ]; then