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

* Replace spaces with tab in docker_build.sh

* Use errcho instead of echo >&2

diff --git a/util/docker_build.sh b/util/docker_build.sh
index f36d5bcde5fa8ae19294210e6ea100131b29c286..99d59d1696e4578e525547cb296b81c265592f16 100755 (executable)
--- 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" \