Fix shellcheck issues

1 files changed, 18 insertions, 13 deletions

diff --git a/ci/run-docker.sh b/ci/run-docker.sh
index 662a1d491a..4247827f67 100755
--- a/ci/run-docker.sh
+++ b/ci/run-docker.sh
@@ -1,36 +1,41 @@
+#!/usr/bin/env sh
+
 # Small script to run tests for a target (or all targets) inside all the
 # respective docker images.
 
 set -ex
 
 run() {
-    echo $1
+    echo "Building docker container for target ${1}"
     # use -f so we can use ci/ as build context
-    docker build -t libc -f ci/docker/$1/Dockerfile ci/
+    docker build -t libc -f "ci/docker/${1}/Dockerfile" ci/
     mkdir -p target
     if [ -w /dev/kvm ]; then
-      kvm="--volume /dev/kvm:/dev/kvm"
+        kvm="--volume /dev/kvm:/dev/kvm"
+    else
+        kvm=""
     fi
+
     docker run \
-      --user `id -u`:`id -g` \
+      --user "$(id -u)":"$(id -g)" \
       --rm \
       --init \
-      --volume $HOME/.cargo:/cargo \
+      --volume "${HOME}/.cargo":/cargo \
       $kvm \
       --env CARGO_HOME=/cargo \
-      --volume `rustc --print sysroot`:/rust:ro \
-      --volume `pwd`:/checkout:ro \
-      --volume `pwd`/target:/checkout/target \
+      --volume "$(rustc --print sysroot)":/rust:ro \
+      --volume "$(pwd)":/checkout:ro \
+      --volume "$(pwd)"/target:/checkout/target \
       --env CARGO_TARGET_DIR=/checkout/target \
       --workdir /checkout \
       libc \
-      ci/run.sh $1
+      ci/run.sh "${1}"
 }
 
-if [ -z "$1" ]; then
-  for d in `ls ci/docker/`; do
-    run $d
+if [ -z "${1}" ]; then
+  for d in ci/docker/*; do
+    run "${d}"
   done
 else
-  run $1
+  run "${1}"
 fi