adjust templates to GNU gettext envsubst

pre_install_gh.sh.tpl

@@ -8,38 +8,38 @@ S3_BUCKET="$S3_BUCKET_ENVSUBST"
 
 set -e
 
-echo "RC_DIR: $$RC_DIR"
-echo "RC_FILE: $$RC_FILE"
-echo "S3_BUCKET: $$S3_BUCKET"
+echo "RC_DIR: $RC_DIR"
+echo "RC_FILE: $RC_FILE"
+echo "S3_BUCKET: $S3_BUCKET"
 
 # Clean old RC dirs and create new
 prepare_directories () {
   echo "Removing previous release's directories..."
   ls
-  sudo rm -rf $$RC_DIR-{new,old}
-  sudo mkdir -p $$RC_DIR-new
+  sudo rm -rf $RC_DIR-{new,old}
+  sudo mkdir -p $RC_DIR-new
 }
 
 # Download given RocketChat build
 build_rc () {
     local s3_path
-    s3_path="s3://$$S3_BUCKET/$$RC_FILE"
+    s3_path="s3://$S3_BUCKET/$RC_FILE"
     tmprcdir=$(mktemp -d)
-    cd $$tmprcdir
+    cd $tmprcdir
     echo "Downloading Rocket.Chat installation files.."
-    $$AWS s3 cp --quiet "$$s3_path" .
+    $AWS s3 cp --quiet "$s3_path" .
     echo "Unpacking Rocket.Chat files..."
-    tar zxf "$$RC_FILE"
-    rm -f "$$RC_FILE"
+    tar zxf "$RC_FILE"
+    rm -f "$RC_FILE"
     echo "Installing modules..."
     # loglevels (high to low): error, warn, notice, http, timing, info, verbose, silly
     #   default = notice
     #   To disable logging, set loglevel to `silent`
     #   However, even with `silent` the "package_name@version install_folder" lines are still shown
     npm_config_loglevel=warn npm install --production --prefix ./bundle/programs/server
     echo "Copying to the new location..."
-    sudo mv ./bundle $$RC_DIR-new/
-    rm -rf $$tmprcdir
+    sudo mv ./bundle $RC_DIR-new/
+    rm -rf $tmprcdir
 }
 
 prepare_directories

rotate_version_gh.sh.tpl

@@ -20,7 +20,7 @@ stop_rc () {
     echo "Waiting for service to stop..."
     for service in $(find_rocket)
     do
-        until [ "$(systemctl show $$service -p ActiveState)" = "ActiveState=inactive" ]
+        until [ "$(systemctl show $service -p ActiveState)" = "ActiveState=inactive" ]
         do
             printf '.'
             sleep 2
@@ -35,7 +35,7 @@ start_rocket_and_wait_for_response () {
     timeout=60
     until $(curl --output /dev/null --silent --head --fail http://localhost)
     do
-        if [ "$$timeout" = "0" ]
+        if [ "$timeout" = "0" ]
         then
             echo -e "\nWaiting timed out - Rocket.Chat not responding yet"
             exit 1
@@ -50,15 +50,15 @@ start_rocket_and_wait_for_response () {
 update_rc () {
     stop_rc
     echo "Switching versions..."
-    sudo mv $$RC_DIR{,-old}
-    sudo mv $$RC_DIR{-new,}
+    sudo mv $RC_DIR{,-old}
+    sudo mv $RC_DIR{-new,}
     start_rocket_and_wait_for_response
 }
 
 # Delete previous version
 cleanup () {
     echo "Cleaning up old directories..."
-    sudo rm -rf $$RC_DIR-old
+    sudo rm -rf $RC_DIR-old
 }
 
 update_rc