added --no-rebuild option

CHANGELOG.md

@@ -6,6 +6,8 @@
     specified on the command line.
   - Allow `md5sums` to not be calculated.
   - Deprecated the `--no-md5sums` CLI arg.
+- Added
+  - `--no-rebuild` flag to prevent `postinst` maintainer script from running `npm rebuild`.
 - Fixed
   - `node_modules` is reduced down to only the production dependencies via `npm ls --prod`.
 

node-deb

@@ -72,10 +72,10 @@ package_description=
 package_maintainer=
 package_dependencies=
 node_deb_version=$(jq -r '.version' "$node_deb_dir/package.json")
-# note: init is also injected
+init=
+no_rebuild=0
 
 # Other variables
-init=
 no_delete_temp=0
 
 usage() {
@@ -170,6 +170,10 @@ while [ -n "$1" ]; do
       package_name="$value"
       shift
       ;;
+    --no-rebuild)
+      # HELPDOC: On package installation, do not attempt `npm rebuild`.
+      no_rebuild=1
+      ;;
     --package-dependencies)
       # HELPDOC: The dependencies for the Debian package (default: 'node_deb.dependencies')
       zero_check "$value" "$param"
@@ -606,6 +610,7 @@ replace_vars() {
     -e "s/{{ node_deb_user }}/$(escape "$user")/g" \
     -e "s/{{ node_deb_group }}/$(escape "$group")/g" \
     -e "s/{{ node_deb_init }}/$(escape "$init")/g" \
+    -e "s/{{ node_deb_no_rebuild }}/$(escape "$no_rebuild")/g" \
     -e "s/{{ node_deb_version }}/$(escape "$node_deb_version")/g" \
   > "$target_file"
   ### END TEMPLATE_VARS ###

templates/postinst

@@ -4,6 +4,7 @@ set -e
 set -o pipefail
 
 declare -r init_type='{{ node_deb_init }}'
+declare -ri no_rebuild='{{ node_deb_no_rebuild }}'
 
 add_user() {
   : ${1:?'User was not defined'}
@@ -69,15 +70,17 @@ start_service () {
 }
 
 npm_install() {
-  : {$1:?'Package name was not defined'}
+  : "${1:?'Package name was not defined'}"
   cd "/usr/share/$1/app"
 
   if [ ! -d './node_modules' ]; then
     echo "Directory 'node_modules' did not exist. Running 'npm install'"
     npm install --production
   else
-    echo "Directory 'node_modules' exists. Running 'npm rebuild'"
-    npm rebuild --production
+    if [ "$no_rebuild" -eq 0 ]; then
+      echo "Directory 'node_modules' exists. Running 'npm rebuild'"
+      npm rebuild --production
+    fi
   fi
 }