Improved some more bash script variable definitions

2019-01-21 23:11:58 +01:00
parent f788854e98
commit b18bc2ea79
12 changed files with 72 additions and 72 deletions
--- a/hack/lib/etcd.sh
+++ b/hack/lib/etcd.sh
@@ -48,9 +48,9 @@ kube::etcd::validate() {
  # validate installed version is at least equal to minimum
  version=$(etcd --version | tail -n +1 | head -n 1 | cut -d " " -f 3)
  if [[ $(kube::etcd::version ${ETCD_VERSION}) -gt $(kube::etcd::version ${version}) ]]; then
-   export PATH=${KUBE_ROOT}/third_party/etcd:$PATH
+   export PATH=${KUBE_ROOT}/third_party/etcd:${PATH}
   hash etcd
-   echo $PATH
+   echo "${PATH}"
   version=$(etcd --version | head -n 1 | cut -d " " -f 3)
   if [[ $(kube::etcd::version ${ETCD_VERSION}) -gt $(kube::etcd::version ${version}) ]]; then
    kube::log::usage "etcd version ${ETCD_VERSION} or greater required."
--- a/hack/lib/golang.sh
+++ b/hack/lib/golang.sh
@@ -88,10 +88,10 @@ readonly KUBE_NODE_BINARIES=("${KUBE_NODE_TARGETS[@]##*/}")
 readonly KUBE_NODE_BINARIES_WIN=("${KUBE_NODE_BINARIES[@]/%/.exe}")

 if [[ -n "${KUBE_BUILD_PLATFORMS:-}" ]]; then
-  IFS=" " read -ra KUBE_SERVER_PLATFORMS <<< "$KUBE_BUILD_PLATFORMS"
-  IFS=" " read -ra KUBE_NODE_PLATFORMS <<< "$KUBE_BUILD_PLATFORMS"
-  IFS=" " read -ra KUBE_TEST_PLATFORMS <<< "$KUBE_BUILD_PLATFORMS"
-  IFS=" " read -ra KUBE_CLIENT_PLATFORMS <<< "$KUBE_BUILD_PLATFORMS"
+  IFS=" " read -ra KUBE_SERVER_PLATFORMS <<< "${KUBE_BUILD_PLATFORMS}"
+  IFS=" " read -ra KUBE_NODE_PLATFORMS <<< "${KUBE_BUILD_PLATFORMS}"
+  IFS=" " read -ra KUBE_TEST_PLATFORMS <<< "${KUBE_BUILD_PLATFORMS}"
+  IFS=" " read -ra KUBE_CLIENT_PLATFORMS <<< "${KUBE_BUILD_PLATFORMS}"
  readonly KUBE_SERVER_PLATFORMS
  readonly KUBE_NODE_PLATFORMS
  readonly KUBE_TEST_PLATFORMS
@@ -268,11 +268,11 @@ kube::golang::is_statically_linked_library() {
  [[ "$(go env GOHOSTOS)" == "darwin" && "$(go env GOOS)" == "darwin" &&
    "$1" == *"/kubectl" ]] && return 1
  if [[ -n "${KUBE_CGO_OVERRIDES:+x}" ]]; then
-    for e in "${KUBE_CGO_OVERRIDES[@]}"; do [[ "$1" == *"/$e" ]] && return 1; done;
+    for e in "${KUBE_CGO_OVERRIDES[@]}"; do [[ "${1}" == *"/${e}" ]] && return 1; done;
  fi
-  for e in "${KUBE_STATIC_LIBRARIES[@]}"; do [[ "$1" == *"/$e" ]] && return 0; done;
+  for e in "${KUBE_STATIC_LIBRARIES[@]}"; do [[ "${1}" == *"/${e}" ]] && return 0; done;
  if [[ -n "${KUBE_STATIC_OVERRIDES:+x}" ]]; then
-    for e in "${KUBE_STATIC_OVERRIDES[@]}"; do [[ "$1" == *"/$e" ]] && return 0; done;
+    for e in "${KUBE_STATIC_OVERRIDES[@]}"; do [[ "${1}" == *"/${e}" ]] && return 0; done;
  fi
  return 1;
 }
@@ -426,7 +426,7 @@ kube::golang::setup_env() {
  # resultant binaries.  Go will not let us use GOBIN with `go install` and
  # cross-compiling, and `go install -o <file>` only works for a single pkg.
  local subdir
-  subdir=$(kube::realpath . | sed "s|$KUBE_ROOT||")
+  subdir=$(kube::realpath . | sed "s|${KUBE_ROOT}||")
  cd "${KUBE_GOPATH}/src/${KUBE_GO_PACKAGE}/${subdir}"

  # Set GOROOT so binaries that parse code can work properly.
@@ -458,7 +458,7 @@ kube::golang::place_bins() {
    # The substitution on platform_src below will replace all slashes with
    # underscores.  It'll transform darwin/amd64 -> darwin_amd64.
    local platform_src="/${platform//\//_}"
-    if [[ "$platform" == "$host_platform" ]]; then
+    if [[ "${platform}" == "${host_platform}" ]]; then
      platform_src=""
      rm -f "${THIS_PLATFORM_BIN}"
      ln -s "${KUBE_OUTPUT_BINPATH}/${platform}" "${THIS_PLATFORM_BIN}"
@@ -479,7 +479,7 @@ kube::golang::outfile_for_binary() {
  local binary=$1
  local platform=$2
  local output_path="${KUBE_GOPATH}/bin"
-  if [[ "$platform" != "$host_platform" ]]; then
+  if [[ "${platform}" != "${host_platform}" ]]; then
    output_path="${output_path}/${platform//\//_}"
  fi
  local bin=$(basename "${binary}")
@@ -502,7 +502,7 @@ kube::golang::path_for_coverage_dummy_test() {
  local package="$1"
  local path="${KUBE_GOPATH}/src/${package}"
  local name=$(basename "${package}")
-  echo "$path/zz_generated_${name}_test.go"
+  echo "${path}/zz_generated_${name}_test.go"
 }

 # Argument: the name of a Kubernetes package (e.g. k8s.io/kubernetes/cmd/kube-scheduler).
--- a/hack/lib/init.sh
+++ b/hack/lib/init.sh
@@ -132,15 +132,15 @@ KUBE_NONSERVER_GROUP_VERSIONS="
 function kube::readlinkdashf {
  # run in a subshell for simpler 'cd'
  (
-    if [[ -d "$1" ]]; then # This also catch symlinks to dirs.
-      cd "$1"
+    if [[ -d "${1}" ]]; then # This also catch symlinks to dirs.
+      cd "${1}"
      pwd -P
    else
-      cd "$(dirname "$1")"
+      cd "$(dirname "${1}")"
      local f
-      f=$(basename "$1")
-      if [[ -L "$f" ]]; then
-        readlink "$f"
+      f=$(basename "${1}")
+      if [[ -L "${f}" ]]; then
+        readlink "${f}"
      else
        echo "$(pwd -P)/${f}"
      fi
@@ -176,9 +176,9 @@ function kube::readlinkdashf {
 # testone $T/linkdir/linkfile
 # testone $T/linkdir/linkdir
 kube::realpath() {
-  if [[ ! -e "$1" ]]; then
-    echo "$1: No such file or directory" >&2
+  if [[ ! -e "${1}" ]]; then
+    echo "${1}: No such file or directory" >&2
    return 1
  fi
-  kube::readlinkdashf "$1"
+  kube::readlinkdashf "${1}"
 }
--- a/hack/lib/logging.sh
+++ b/hack/lib/logging.sh
@@ -37,7 +37,7 @@ kube::log::errexit() {
      kube::log::error " ${i}: ${BASH_SOURCE[${i}+1]}:${BASH_LINENO[${i}]} ${FUNCNAME[${i}]}(...)"
    done
  fi  
-  kube::log::error_exit "Error in ${BASH_SOURCE[1]}:${BASH_LINENO[0]}. '${BASH_COMMAND}' exited with status $err" "${1:-1}" 1
+  kube::log::error_exit "Error in ${BASH_SOURCE[1]}:${BASH_LINENO[0]}. '${BASH_COMMAND}' exited with status ${err}" "${1:-1}" 1
 }

 kube::log::install_errexit() {
@@ -63,9 +63,9 @@ kube::log::stack() {
    for ((i=1 ; i <= ${#FUNCNAME[@]} - ${stack_skip} ; i++))
    do
      local frame_no=$((i - 1 + stack_skip))
-      local source_file=${BASH_SOURCE[$frame_no]}
+      local source_file=${BASH_SOURCE[${frame_no}]}
      local source_lineno=${BASH_LINENO[$((frame_no - 1))]}
-      local funcname=${FUNCNAME[$frame_no]}
+      local funcname=${FUNCNAME[${frame_no}]}
      echo "  ${i}: ${source_file}:${source_lineno} ${funcname}(...)" >&2
    done
  fi
@@ -83,7 +83,7 @@ kube::log::error_exit() {
  stack_skip=$((stack_skip + 1))

  if [[ ${KUBE_VERBOSE} -ge 4 ]]; then
-    local source_file=${BASH_SOURCE[$stack_skip]}
+    local source_file=${BASH_SOURCE[${stack_skip}]}
    local source_line=${BASH_LINENO[$((stack_skip - 1))]}
    echo "!!! Error in ${source_file}:${source_line}" >&2
    [[ -z ${1-} ]] || {
@@ -101,10 +101,10 @@ kube::log::error_exit() {
 # Log an error but keep going.  Don't dump the stack or exit.
 kube::log::error() {
  timestamp=$(date +"[%m%d %H:%M:%S]")
-  echo "!!! $timestamp ${1-}" >&2
+  echo "!!! ${timestamp} ${1-}" >&2
  shift
  for message; do
-    echo "    $message" >&2
+    echo "    ${message}" >&2
  done
 }

@@ -113,7 +113,7 @@ kube::log::usage() {
  echo >&2
  local message
  for message; do
-    echo "$message" >&2
+    echo "${message}" >&2
  done
  echo >&2
 }
@@ -121,7 +121,7 @@ kube::log::usage() {
 kube::log::usage_from_stdin() {
  local messages=()
  while read -r line; do
-    messages+=("$line")
+    messages+=("${line}")
  done

  kube::log::usage "${messages[@]}"
@@ -135,21 +135,21 @@ kube::log::info() {
  fi

  for message; do
-    echo "$message"
+    echo "${message}"
  done
 }

 # Just like kube::log::info, but no \n, so you can make a progress bar
 kube::log::progress() {
  for message; do
-    echo -e -n "$message"
+    echo -e -n "${message}"
  done
 }

 kube::log::info_from_stdin() {
  local messages=()
  while read -r line; do
-    messages+=("$line")
+    messages+=("${line}")
  done

  kube::log::info "${messages[@]}"
@@ -163,9 +163,9 @@ kube::log::status() {
  fi

  timestamp=$(date +"[%m%d %H:%M:%S]")
-  echo "+++ $timestamp $1"
+  echo "+++ ${timestamp} ${1}"
  shift
  for message; do
-    echo "    $message"
+    echo "    ${message}"
  done
 }
--- a/hack/lib/swagger.sh
+++ b/hack/lib/swagger.sh
@@ -34,9 +34,9 @@ kube::swagger::gen_types_swagger_doc() {

  echo "Generating swagger type docs for ${group_version} at ${gv_dir}"

-  echo -e "$(cat hack/boilerplate/boilerplate.generatego.txt)\n" > "$TMPFILE"
-  echo "package ${group_version##*/}" >> "$TMPFILE"
-  cat >> "$TMPFILE" <<EOF
+  echo -e "$(cat hack/boilerplate/boilerplate.generatego.txt)\n" > "${TMPFILE}"
+  echo "package ${group_version##*/}" >> "${TMPFILE}"
+  cat >> "${TMPFILE}" <<EOF

 // This file contains a collection of methods that can be used from go-restful to
 // generate Swagger API documentation for its models. Please read this PR for more
@@ -54,10 +54,10 @@ EOF
  go run cmd/genswaggertypedocs/swagger_type_docs.go -s \
    "${gv_dir}/types.go" \
    -f - \
-    >>  "$TMPFILE"
+    >>  "${TMPFILE}"

-  echo "// AUTO-GENERATED FUNCTIONS END HERE" >> "$TMPFILE"
+  echo "// AUTO-GENERATED FUNCTIONS END HERE" >> "${TMPFILE}"

-  gofmt -w -s "$TMPFILE"
-  mv "$TMPFILE" ""${gv_dir}"/types_swagger_doc_generated.go"
+  gofmt -w -s "${TMPFILE}"
+  mv "${TMPFILE}" ""${gv_dir}"/types_swagger_doc_generated.go"
 }
--- a/hack/lib/test.sh
+++ b/hack/lib/test.sh
@@ -35,8 +35,8 @@ kube::test::clear_all() {
 # Defaults to 2 levels so you can call this to find your own caller
 kube::test::get_caller() {
  local levels=${1:-2}
-  local caller_file="${BASH_SOURCE[$levels]}"
-  local caller_line="${BASH_LINENO[$levels-1]}"
+  local caller_file="${BASH_SOURCE[${levels}]}"
+  local caller_line="${BASH_LINENO[${levels}-1]}"
  echo "$(basename "${caller_file}"):${caller_line}"
 }

--- a/hack/lib/util.sh
+++ b/hack/lib/util.sh
@@ -45,9 +45,9 @@ kube::util::wait_for_url() {
  }

  local i
-  for i in $(seq 1 "$times"); do
+  for i in $(seq 1 "${times}"); do
    local out
-    if out=$(curl --max-time "$maxtime" -gkfs "$url" 2>/dev/null); then
+    if out=$(curl --max-time "${maxtime}" -gkfs "${url}" 2>/dev/null); then
      kube::log::status "On try ${i}, ${prefix}: ${out}"
      return 0
    fi
@@ -441,11 +441,11 @@ kube::util::ensure_no_staging_repos_in_gopath() {
  kube::util::ensure_single_dir_gopath
  local error=0
  for repo_file in "${KUBE_ROOT}"/staging/src/k8s.io/*; do
-    if [[ ! -d "$repo_file" ]]; then
+    if [[ ! -d "${repo_file}" ]]; then
      # not a directory or there were no files
      continue;
    fi
-    repo="$(basename "$repo_file")"
+    repo="$(basename "${repo_file}")"
    if [ -e "${GOPATH}/src/k8s.io/${repo}" ]; then
      echo "k8s.io/${repo} exists in GOPATH. Remove before running godep-save.sh." 1>&2
      error=1
@@ -722,7 +722,7 @@ function kube::util::ensure-cfssl {
  mkdir -p "${cfssldir}"
  pushd "${cfssldir}" > /dev/null

-    echo "Unable to successfully run 'cfssl' from $PATH; downloading instead..."
+    echo "Unable to successfully run 'cfssl' from ${PATH}; downloading instead..."
    kernel=$(uname -s)
    case "${kernel}" in
      Linux)