Fixes #3429 Added a -n option to keep ldif files after schema insertion

contrib/bin/fusiondirectory-insert-schema

@@ -38,6 +38,7 @@ my $pathunset   = 1;
 my $continue    = 0;
 my @schemas     = ();
 my @gen_files   = ();
+my $delete_ldif = 1;
 foreach my $arg ( @ARGV ) {
   if (not defined $ldap_host_options) {
     $ldap_host_options = $arg;
@@ -58,6 +59,8 @@ foreach my $arg ( @ARGV ) {
     $schemalist = 1;
   } elsif ((lc($arg) eq '-o') || (lc($arg) eq '--options')) {
     undef $ldap_host_options;
+  } elsif ((lc($arg) eq '-n') || (lc($arg) eq '--nodelete')) {
+    $delete_ldif = 0;
   } elsif ((lc($arg) eq '-h') || (lc($arg) eq '--help')) {
     usage();
   } elsif ($schemalist) {
@@ -227,8 +230,10 @@ sub insert_schema
 
 sub remove_ldifs
 {
-  foreach my $file (@gen_files) {
-    unlink "$file.ldif" or print "Could not delete $file.ldif\n";
+  if ($delete_ldif) {
+    foreach my $file (@gen_files) {
+      unlink "$file.ldif" or print "Could not delete $file.ldif\n";
+    }
   }
 }
 
@@ -265,6 +270,7 @@ sub usage
   -i, --insert    : specify the schemas to insert
   -l, --list      : list inserted schemas
   -m, --modify    : modify exising inserted schemas
+  -n, --nodelete  : do not delete generated ldifs at the end
   -o, --options   : set ldap options used (default is -Y EXTERNAL -H ldapi:///)
   -c, --continue  : continue on error(s)
 
@@ -288,6 +294,7 @@ This program will insert the schema needed by FusionDirectory into the ldap serv
 If -i is specified, insert the given list of schemas instead of the default list
 If -m is specified, insert the given list of schemas, replacing already inserted versions of those schemas
 If -l is specified, list inserted schemas
+If -n is specified, generated ldifs file won’t be deleted after execution. Might be useful to understand errors.
 If -c is specified, an error won’t stop the command from continuing with other insertions
 You can use -o to give specifics options to give to ldap commands such as ldapmodify,
 but beware that you won’t be able to see things like password prompts as the output of these commands is piped.