Update docker_build.sh: indentation fix, error echo function (#6659)

* Replace spaces with tab in docker_build.sh

* Use errcho instead of echo >&2

1 files changed, 12 insertions, 8 deletions

diff --git a/util/docker_build.sh b/util/docker_build.sh
index f36d5bcde..99d59d169 100755
--- a/util/docker_build.sh
+++ b/util/docker_build.sh
@@ -1,6 +1,10 @@
 #!/bin/sh
 # NOTE: This script uses tabs for indentation
 
+errcho() {
+        echo "$@" >&2
+}
+
 USAGE="Usage: $0 [keyboard[:keymap[:target]]]"
 
 # Check preconditions
@@ -11,11 +15,11 @@ for arg; do
         fi
 done
 if [ $# -gt 1 ]; then
-        echo "$USAGE" >&2
+        errcho "$USAGE"
         exit 1
 elif ! command -v docker >/dev/null 2>&1; then
-        echo "Error: docker not found" >&2
-        echo "See https://docs.docker.com/install/#supported-platforms for installation instructions" >&2
+        errcho "Error: docker not found"
+        errcho "See https://docs.docker.com/install/#supported-platforms for installation instructions"
         exit 2
 fi
 
@@ -29,7 +33,7 @@ else
         $1
         EOF
         if [ -n "$x" ]; then
-                echo "$USAGE" >&2
+                errcho "$USAGE"
                 exit 1
         fi
 fi
@@ -37,9 +41,9 @@ if [ -n "$target" ]; then
         if [ "$(uname)" = "Linux" ] || docker-machine active >/dev/null 2>&1; then
                 usb_args="--privileged -v /dev:/dev"
         else
-                echo "Error: target requires docker-machine to work on your platform" >&2
-                echo "See http://gw.tnode.com/docker/docker-machine-with-usb-support-on-windows-macos" >&2
-                echo "Consider flashing with QMK Toolbox (https://github.com/qmk/qmk_toolbox) instead" >&2
+                errcho "Error: target requires docker-machine to work on your platform"
+                errcho "See http://gw.tnode.com/docker/docker-machine-with-usb-support-on-windows-macos"
+                errcho "Consider flashing with QMK Toolbox (https://github.com/qmk/qmk_toolbox) instead"
                 exit 3
         fi
 fi
@@ -47,7 +51,7 @@ dir=$(pwd -W 2>/dev/null) || dir=$PWD  # Use Windows path if on Windows
 
 # Run container and build firmware
 docker run --rm -it $usb_args \
-    -w /qmk_firmware/ \
+        -w /qmk_firmware \
         -v "$dir":/qmk_firmware \
         -e ALT_GET_KEYBOARDS=true \
         -e SKIP_GIT="$SKIP_GIT" \