Minor Bash improvements Based on output of static analysis tool. https://github.com/koalaman/shellcheck/wiki/SC2166 https://github.com/koalaman/shellcheck/wiki/SC2207 https://github.com/koalaman/shellcheck/wiki/SC2145 https://github.com/koalaman/shellcheck/wiki/SC2001 https://github.com/koalaman/shellcheck/wiki/SC2129 https://github.com/koalaman/shellcheck/wiki/SC2128 https://github.com/koalaman/shellcheck/wiki/SC2004 https://github.com/koalaman/shellcheck/wiki/SC2048 Closes #3162. PiperOrigin-RevId: 160261247

diff --git a/scripts/ci/ci.sh b/scripts/ci/ci.sh
index e25f8d5..546c3b4 100755
--- a/scripts/ci/ci.sh
+++ b/scripts/ci/ci.sh

@@ -50,15 +50,15 @@
 # Get a list of the current files in package form by querying Bazel.
 files=()
 for file in $(git diff --name-only ${COMMIT_RANGE} ); do
-  files+=($(bazel query $file))
-  echo $(bazel query $file)
+  IFS=$'\n' read -r -a files <<< "$(bazel query $file)"
+  bazel query $file
 done
 
 # Query for the associated buildables
 buildables=$(bazel query \
     --keep_going \
     --noshow_progress \
-    "kind(.*_binary, rdeps(//..., set(${files[@]})))")
+    "kind(.*_binary, rdeps(//..., set(${files[*]})))")
 # Run the tests if there were results
 if [[ ! -z $buildables ]]; then
   echo "Building binaries"
@@ -68,7 +68,7 @@
 tests=$(bazel query \
     --keep_going \
     --noshow_progress \
-    "kind(test, rdeps(//..., set(${files[@]}))) except attr('tags', 'manual', //...)")
+    "kind(test, rdeps(//..., set(${files[*]}))) except attr('tags', 'manual', //...)")
 # Run the tests if there were results
 if [[ ! -z $tests ]]; then
   echo "Running tests"