fix: dev: [apache] a little more solid ``apache-custom-rules`` reading.

apache/lib/common

@@ -618,7 +618,7 @@ EOF
 _get_custom_rules() {
     local cfg="$1" custom_rules type elt value first
     custom_rules=$(e "$cfg" | cfg-get-value apache-custom-rules 2>/dev/null) || true
-    if [ -z "$custom_rules" ]; then
+    if [ -z "$custom_rules" -o "$custom_rules" == "None" ]; then
         return 0
     fi
     type=$(echo "$custom_rules" | shyaml get-type)
@@ -632,7 +632,7 @@ _get_custom_rules() {
                 if [ "$first" ]; then
                     first=
                 else
-                    value+=$'\n'$'\n'
+                    value+=$'\n'
                 fi
                 first=
                 value+="$elt"
@@ -646,6 +646,9 @@ _get_custom_rules() {
         "str")
             value+=$(echo "$custom_rules")
             ;;
+        "NoneType")
+            value=""
+            ;;
         *)
             value+=$(echo "$custom_rules")
             ;;

apache/test/custom_rules

@@ -0,0 +1,68 @@
+#!/bin/bash
+
+exname=$(basename $0)
+
+prefix_cmd="
+. /etc/shlib
+
+include common
+include parse
+
+. ../lib/common
+
+"
+
+# mock
+cfg-get-value() {
+    local key="$1"
+    shyaml get-value "$key" 2>/dev/null
+}
+export -f cfg-get-value
+
+yaml_get_interpret() {
+    shyaml get-value
+}
+export -f yaml_get_interpret
+
+##
+## Tests
+##
+
+try "
+_get_custom_rules '
+'"
+noerror
+is out ''
+
+
+try "
+_get_custom_rules '
+apache-custom-rules:
+'"
+noerror
+is out ''
+
+try "
+_get_custom_rules '
+apache-custom-rules:
+- a
+- b
+'"
+noerror
+is out 'a
+b'
+
+
+try "
+_get_custom_rules '
+apache-custom-rules:
+  a: x
+  b: y
+'"
+noerror
+is out '
+x
+y'
+
+
+