Fixes jaegertracing#4822: fixed all warnning produced by shellcheck

Signed-off-by: Harshvir Potpose <hpotpose62@gmail.com>

scripts/build-all-in-one-image.sh

@@ -25,14 +25,14 @@ make build-ui
 
 run_integration_test() {
   local image_name="$1"
-  CID=$(docker run -d -p 16686:16686 -p 5778:5778 ${image_name}:${GITHUB_SHA})
+  CID=$(docker run -d -p 16686:16686 -p 5778:5778 "${image_name}:${GITHUB_SHA}")
   if ! make all-in-one-integration-test ; then
       echo "---- integration test failed unexpectedly ----"
       echo "--- check the docker log below for details ---"
-      docker logs $CID
+      docker logs "$CID"
       exit 1
   fi
-  docker kill $CID
+  docker kill "$CID"
 }
 
 if [ "$mode" = "pr-only" ]; then
@@ -58,7 +58,7 @@ bash scripts/build-upload-a-docker-image.sh -b -c all-in-one -d cmd/all-in-one -
 
 # build debug image if not on a pull request
 if [ "$mode" != "pr-only" ]; then
-  make build-all-in-one-debug GOOS=linux GOARCH=$GOARCH
+  make build-all-in-one-debug GOOS=linux GOARCH="$GOARCH"
   repo=${repo}-debug
 
   # build all-in-one-debug image locally for integration test

scripts/build-crossdock.sh

@@ -17,7 +17,7 @@ if [[ "$BRANCH" == "main" ]]; then
   docker buildx build --push \
     --progress=plain \
     --platform=linux/amd64 \
-    ${IMAGE_TAGS} \
+    "${IMAGE_TAGS}" \
     crossdock/
 else
   echo 'skip docker images upload for PR'

scripts/build-upload-a-docker-image.sh

@@ -62,11 +62,11 @@ else
 fi
 
 docker buildx build --output "${PUSHTAG}" \
-	--progress=plain ${target_arg} ${base_debug_img_arg}\
-	--platform=${platforms} \
-	--file ${docker_file_arg} \
-	${IMAGE_TAGS} \
-	${dir_arg}
+	--progress=plain "${target_arg}" "${base_debug_img_arg}"\
+	--platform="${platforms}" \
+	--file "${docker_file_arg}" \
+	"${IMAGE_TAGS}" \
+	"${dir_arg}"
 
 echo "Finished building${upload_flag} ${component_name} =============="
 

scripts/cassandra-integration-test.sh

@@ -23,14 +23,15 @@ setup_cassandra() {
     --publish 9042:9042
     --publish 9160:9160
   )
-  local cid=$(docker run ${params[@]} ${image}:${tag})
-  echo ${cid}
+  local cid
+  cid=$(docker run "${params[@]}" "${image}:${tag}")
+  echo "${cid}"
 }
 
 teardown_cassandra() {
   local cid=$1
-  docker kill ${cid}
-  exit ${exit_status}
+  docker kill "${cid}"
+  exit "${exit_status}"
 }
 
 apply_schema() {
@@ -45,17 +46,18 @@ apply_schema() {
     --network host
   )
   docker build -t ${image} ${schema_dir}
-  docker run ${params[@]} ${image}
+  docker run "${params[@]}" "${image}"
 }
 
 run_integration_test() {
   local version=$1
   local schema_version=$2
-  local cid=$(setup_cassandra ${version})
+  local cid
+  cid=$(setup_cassandra "${version}")
   apply_schema "$2"
   STORAGE=cassandra make storage-integration-test
   exit_status=$?
-  trap "teardown_cassandra ${cid}" EXIT
+  trap 'teardown_cassandra ${cid}' EXIT
 }
 
 main() {

scripts/check-go-version.sh

@@ -8,13 +8,17 @@ while getopts "uvd" opt; do
     case $opt in
         u) update=true ;;
         v) verbose=true ;;
-        x) set -x ;;
         *) echo "Usage: $0 [-u] [-v] [-d]" >&2
            exit 1
            ;;
     esac
 done
 
+# Debugging option (-x) used separately
+if [[ "$DEBUG" == "true" ]]; then
+  set -x
+fi
+
 # Fetch latest go release version
 go_latest_version=$(curl -s https://go.dev/dl/?mode=json | jq -r '.[0].version' | awk -F'.' '{gsub("go", ""); print $1"."$2}')
 go_previous_version="${go_latest_version%.*}.$((10#${go_latest_version#*.} - 1))"
@@ -31,27 +35,27 @@ function update() {
     old_IFS=$IFS
     IFS=''
     while read -r line; do
-        match=$(echo $line | grep -e "$pattern")
+        match=$(echo "$line" | grep -e "$pattern")
         if [[ "$match" != "" ]]; then
-            line=$(echo "$line" | sed "s/${current}/${target}/g")
+            line=${line//${current}/${target}}
         fi
-        echo $line >> $newfile
-    done < $file
+        echo "$line" >> "$newfile"
+    done < "$file"
     IFS=$old_IFS
 
     if [ $verbose = true ]; then
-        diff $file $newfile
+        diff "$file" "$newfile"
     fi
 
-    mv $newfile $file
+    mv "$newfile" "$file"
 }
 
 function check() {
     local file=$1
     local pattern=$2
     local target=$3
 
-    go_version=$(grep -e "$pattern" $file | head -1 | sed "s/^.*\($version_regex\).*$/\1/")
+    go_version=$(grep -e "$pattern" "$file" | head -1 | sed "s/^.*\($version_regex\).*$/\1/")
 
     if [ "$go_version" = "$target" ]; then
         mismatch=''
@@ -68,16 +72,16 @@ function check() {
     printf "%-50s Go version: %s %s\n" "$file" "$go_version" "$mismatch"
 }
 
-check go.mod "^go\s\+$version_regex" $go_previous_version
+check go.mod "^go\s\+$version_regex" "$go_previous_version"
 
-check docker/Makefile "^.*golang:$version_regex" $go_latest_version
+check docker/Makefile "^.*golang:$version_regex" "$go_latest_version"
 
 gha_workflows=$(grep -rl go-version .github)
-for gha_workflow in ${gha_workflows[@]}; do
-    check $gha_workflow "^\s*go-version:\s\+$version_regex" $go_latest_version
+for gha_workflow in "${gha_workflows[@]}"; do
+    check "$gha_workflow" "^\s*go-version:\s\+$version_regex" "$go_latest_version"
 done
 
-check .golangci.yml "go:\s\+\"$version_regex\"" $go_previous_version
+check .golangci.yml "go:\s\+\"$version_regex\"" "$go_previous_version"
 
 if [ $files_to_update -eq 0 ]; then
     echo "All files are up to date."

scripts/check-test-files.sh

@@ -7,14 +7,14 @@ COLOR_FIXME=$(printf "\033[31mFIXME\033[0m")
 NO_TEST_FILE_DIRS=""
 # shellcheck disable=SC2048
 for dir in $*; do
-  mainFile=$(find ${dir} -maxdepth 1 -name 'main.go')
-  testFiles=$(find ${dir} -maxdepth 1 -name '*_test.go')
+  mainFile=$(find "${dir}" -maxdepth 1 -name 'main.go')
+  testFiles=$(find "${dir}" -maxdepth 1 -name '*_test.go')
   if [ -z "${testFiles}" ]; then
     if [ -n "${mainFile}" ]; then
       continue # single main does not require tests
     fi
-    if [ -e ${dir}/.nocover ]; then
-      reason=$(cat ${dir}/.nocover)
+    if [ -e "${dir}"/.nocover ]; then
+      reason=$(cat "${dir}"/.nocover)
       if [ "${reason}" == "" ]; then
         echo "error: ${dir}/.nocover must specify reason" >&2
         exit 1
@@ -33,7 +33,7 @@ done
 
 if [ -n "${NO_TEST_FILE_DIRS}" ]; then
   echo "*** directories without *_test.go files:" >&2
-  echo ${NO_TEST_FILE_DIRS} | tr ' ' '\n' >&2
+  echo "${NO_TEST_FILE_DIRS}" | tr ' ' '\n' >&2
   echo "error: at least one *_test.go file must be in all directories with go files so that they are counted for code coverage" >&2
   echo "       if no tests are possible for a package (e.g. it only defines types), create empty_test.go" >&2
   exit 1

scripts/compute-tags.sh

@@ -10,9 +10,9 @@ BRANCH=${BRANCH:?'expecting BRANCH env var'}
 ## if we are on a release tag, let's extract the version number
 ## the other possible value, currently, is 'main' (or another branch name)
 if [[ $BRANCH =~ ^v[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
-    MAJOR_MINOR_PATCH=$(echo ${BRANCH} | grep -Po "([\d\.]+)")
-    MAJOR_MINOR=$(echo ${MAJOR_MINOR_PATCH} | awk -F. '{print $1"."$2}')
-    MAJOR=$(echo ${MAJOR_MINOR_PATCH} | awk -F. '{print $1}')  
+    MAJOR_MINOR_PATCH=$(echo "${BRANCH}" | grep -Po "([\d\.]+)")
+    MAJOR_MINOR=$(echo "${MAJOR_MINOR_PATCH}" | awk -F. '{print $1"."$2}')
+    MAJOR=$(echo "${MAJOR_MINOR_PATCH}" | awk -F. '{print $1}')  
 else
     MAJOR_MINOR_PATCH="latest"
     MAJOR_MINOR=""
@@ -36,4 +36,4 @@ fi
 
 IMAGE_TAGS="${IMAGE_TAGS} --tag docker.io/${SNAPSHOT_TAG} --tag quay.io/${SNAPSHOT_TAG}"
 
-echo ${IMAGE_TAGS}
+echo "${IMAGE_TAGS}"

scripts/es-integration-test.sh

@@ -29,8 +29,9 @@ setup_es() {
     --env "xpack.security.enabled=false"
     --env "xpack.monitoring.enabled=false"
   )
-  local cid=$(docker run ${params[@]} ${image}:${tag})
-  echo ${cid}
+  local cid
+  cid=$(docker run "${params[@]}" "${image}:${tag}")
+  echo "${cid}"
 }
 
 setup_opensearch() {
@@ -43,8 +44,9 @@ setup_opensearch() {
     --env "transport.host=127.0.0.1"
     --env "plugins.security.disabled=true"
   )
-  local cid=$(docker run ${params[@]} ${image}:${tag})
-  echo ${cid}
+  local cid
+  cid=$(docker run "${params[@]}" "${image}:${tag}")
+  echo "${cid}"
 }
 
 wait_for_storage() {
@@ -56,21 +58,21 @@ wait_for_storage() {
     --output
     /dev/null
     --write-out
-    ''%{http_code}''
+    "%{http_code}"
   )
   local counter=0
   local max_counter=60
-  while [[ "$(curl ${params[@]} ${url})" != "200" && ${counter} -le ${max_counter} ]]; do
-    docker inspect ${cid} | jq '.[].State'
+  while [[ "$(curl "${params[@]}" "${url}")" != "200" && ${counter} -le ${max_counter} ]]; do
+    docker inspect "${cid}" | jq '.[].State'
     echo "waiting for ${url} to be up..."
     sleep 10
     counter=$((counter+1))
   done
   # after the loop, do final verification and set status as global var
-  if [[ "$(curl ${params[@]} ${url})" != "200" ]]; then
+  if [[ "$(curl "${params[@]}" "${url}")" != "200" ]]; then
     echo "ERROR: ${distro} is not ready"
-    docker logs ${cid}
-    docker kill ${cid}
+    docker logs "${cid}"
+    docker kill "${cid}"
     db_is_up=0
   else
     echo "SUCCESS: ${distro} is ready"
@@ -87,21 +89,21 @@ bring_up_storage() {
   for retry in 1 2 3
   do
     echo "attempt $retry"
-    if [ ${distro} = "elasticsearch" ]; then
-      cid=$(setup_es ${version})
-    elif [ ${distro} == "opensearch" ]; then
-      cid=$(setup_opensearch ${version})
+    if [ "${distro}" = "elasticsearch" ]; then
+      cid=$(setup_es "${version}")
+    elif [ "${distro}" == "opensearch" ]; then
+      cid=$(setup_opensearch "${version}")
     else
       echo "Unknown distribution $distro. Valid options are opensearch or elasticsearch"
       usage
     fi
-    wait_for_storage ${distro} "http://localhost:9200" ${cid}
+    wait_for_storage "${distro}" "http://localhost:9200" "${cid}"
     if [ ${db_is_up} = "1" ]; then
       break
     fi
   done
   if [ ${db_is_up} = "1" ]; then
-    trap "teardown_storage ${cid}" EXIT
+    trap 'teardown_storage ${cid}' EXIT
   else
     echo "ERROR: unable to start ${distro}"
     exit 1
@@ -110,15 +112,15 @@ bring_up_storage() {
 
 teardown_storage() {
   local cid=$1
-  docker kill ${cid}
+  docker kill "${cid}"
 }
 
 main() {
   check_arg "$@"
   local distro=$1
   local version=$2
 
-  bring_up_storage ${distro} ${version}
+  bring_up_storage "${distro}" "${version}"
   STORAGE=${distro} make storage-integration-test
   make index-cleaner-integration-test
   make index-rollover-integration-test

scripts/generate-help-output.sh

@@ -14,7 +14,7 @@ function gen {
   shift
   for s in "$@"
   do
-    SPAN_STORAGE_TYPE=$s go run ./cmd/$bin help > $dir/$bin-$s.txt
+    SPAN_STORAGE_TYPE=$s go run ./cmd/"$bin" help > "$dir"/"$bin"-"$s".txt
   done
 }
 

scripts/hotrod-integration-test.sh

@@ -13,9 +13,10 @@ make prepare-docker-buildx
 #build image locally for integration test
 bash scripts/build-upload-a-docker-image.sh -l -c example-hotrod -d examples/hotrod -p "${platforms}"
 
-export CID=$(docker run -d -p 8080:8080 localhost:5000/$REPO:${GITHUB_SHA})
+export CID
+CID=$(docker run -d -p 8080:8080 localhost:5000/$REPO:"${GITHUB_SHA}")
 i=0
-while [[ "$(curl -s -o /dev/null -w ''%{http_code}'' localhost:8080)" != "200" && ${i} -lt 30 ]]; do
+while [[ "$(curl -s -o /dev/null -w "%{http_code}" localhost:8080)" != "200" && ${i} -lt 30 ]]; do
   sleep 1
   i=$((i+1))
 done
@@ -24,6 +25,6 @@ if [[ $body != *"Rides On Demand"* ]]; then
   echo "String \"Rides On Demand\" is not present on the index page"
   exit 1
 fi
-docker rm -f $CID
+docker rm -f "$CID"
 
 bash scripts/build-upload-a-docker-image.sh -c example-hotrod -d examples/hotrod -p "${platforms}"

scripts/import-order-cleanup.sh

@@ -2,8 +2,8 @@
 
 set -e
 
-# shellcheck disable=SC2046 -- we want multple arguments here
-./scripts/import-order-cleanup.py -o $1 -t $(git ls-files "*\.go" | \
+# shellcheck disable=SC2046 # we want multple arguments here
+./scripts/import-order-cleanup.py -o "$1" -t $(git ls-files "*\.go" | \
     grep -v \
         -e thrift-gen \
         -e swagger-gen \