__ini_value: new parameter --quote

This parameter ensures the value is surrounded by double quotes. As it
directly edits the value variable, the quoting will be added/removed
automaticly.

cdist/conf/type/__ini_value/explorer/state

@@ -57,6 +57,11 @@ BEGIN {
         comment_signs[i++] = tmp
     }
 
+    if(system("test -f " (_param "quote")) == 0) {
+        # quote it now that it only wins checks against quoted values
+        value = ("\"" value "\"")
+    }
+
     found=0
     curr_section=""
     if(section == "")

cdist/conf/type/__ini_value/files/common.awk

@@ -11,6 +11,11 @@ BEGIN {
     get_param_array("comment-sign", comment_signs)
     comment_sign = comment_signs[0]
 
+    if(system("test -f " (_param "quote")) == 0) {
+        # quote it now that it only wins checks against quoted values
+        value = ("\"" value "\"")
+    }
+
     base_spaces = spaces(indentation)
     delimiter_spaces = spaces(delimiter_space)
     delimiter_w_spaces = (delimiter_spaces delimiter delimiter_spaces)
@@ -59,5 +64,5 @@ function v_print_commented() {
 }
 # print comment
 function c_print() {
-    printf "%s%s%s%s%s", base_spaces, comment_sign, " ", comment, ORS
+    printf "%s%s %s%s", base_spaces, comment_sign, comment, ORS
 }

cdist/conf/type/__ini_value/man.rst

@@ -79,6 +79,10 @@ normalize
     configuration file. Even if a key-value pair is correct as-is, it will
     correct the line to be pretty and perfect.
 
+quote
+    Wrap double quotes (``"``) around the value. If the value is previously
+    unquoted, the file will be modified to quote the value.
+
 
 MESSAGES
 --------

cdist/conf/type/__ini_value/parameter/boolean

@@ -1 +1,2 @@
 normalize
+quote