[COMMON] Fix arithmetic loop bashisms

[oom.git] / kubernetes / helm / plugins / deploy / deploy.sh

diff --git a/kubernetes/helm/plugins/deploy/deploy.sh b/kubernetes/helm/plugins/deploy/deploy.sh
index a7e394d..0d434ad 100755 (executable)
--- a/kubernetes/helm/plugins/deploy/deploy.sh
+++ b/kubernetes/helm/plugins/deploy/deploy.sh
@@ -54,7 +54,7 @@ generate_overrides() {
       cat $COMPUTED_OVERRIDES | sed '/common:/,/consul:/d' \
         | sed -n '/^'"$START"'/,/'log:'/p' | sed '1d;$d' >> $GLOBAL_OVERRIDES
     else
-      SUBCHART_DIR="$CACHE_SUBCHART_DIR/$(cut -d':' -f1 <<<"$START")"
+      SUBCHART_DIR="$CACHE_SUBCHART_DIR/$(echo "$START" |cut -d':' -f1)"
       if [[ -d "$SUBCHART_DIR" ]]; then
         if [[ -z "$END" ]]; then
           cat $COMPUTED_OVERRIDES | sed -n '/^'"$START"'/,/'"$END"'/p' \
@@ -70,7 +70,7 @@ generate_overrides() {
 resolve_deploy_flags() {
   flags=($1)
   n=${#flags[*]}
-  for (( i = 0; i < n; i++ )); do
+  i=0 ; while [ "$i" -lt "$n" ]; do
     PARAM=${flags[i]}
     if [[ $PARAM = "-f" || \
           $PARAM = "--values" || \
@@ -82,6 +82,7 @@ resolve_deploy_flags() {
     else
       DEPLOY_FLAGS="$DEPLOY_FLAGS $PARAM"
     fi
+    i=$((i+1))
   done
   echo "$DEPLOY_FLAGS"
 }
@@ -96,8 +97,8 @@ deploy() {
   RELEASE=$1
   CHART_URL=$2
   FLAGS=${@:3}
-  CHART_REPO="$(cut -d'/' -f1 <<<"$CHART_URL")"
-  CHART_NAME="$(cut -d'/' -f2 <<<"$CHART_URL")"
+  CHART_REPO="$(echo "$CHART_URL" |cut -d'/' -f1)"
+  CHART_NAME="$(echo "$CHART_URL" |cut -d'/' -f2)"
   if [[ $HELM_VER = "v3."* ]]; then
     CACHE_DIR=~/.local/share/helm/plugins/deploy/cache
   else
@@ -146,9 +147,9 @@ deploy() {
   DEPLOY_FLAGS=$(resolve_deploy_flags "$FLAGS")
 
   # determine if upgrading individual subchart or entire parent + subcharts
-  SUBCHART_RELEASE="$(cut -d'-' -f2 <<<"$RELEASE")"
+  SUBCHART_RELEASE="$(echo "$RELEASE" |cut -d'-' -f2)"
   # update specified subchart without parent
-  RELEASE="$(cut -d'-' -f1 <<<"$RELEASE")"
+  RELEASE="$(echo "$RELEASE" |cut -d'-' -f1)"
   if [[ $SUBCHART_RELEASE = $RELEASE ]]; then
     SUBCHART_RELEASE=
   fi
@@ -255,7 +256,7 @@ deploy() {
     else
       array=($(echo "$ALL_HELM_RELEASES" | grep "${RELEASE}-${subchart}"))
       n=${#array[*]}
-      for (( i = n-1; i >= 0; i-- )); do
+      for i in $(seq $(($n-1)) -1 0); do
         if [[ $HELM_VER = "v3."* ]]; then
           helm del "${array[i]}"
         else