From 77a280d36dfa31d6bcc95f6469800c1c5a20d29d Mon Sep 17 00:00:00 2001
From: Julian Blake Kongslie <jblake@omgwallhack.org>
Date: Wed, 13 Oct 2010 10:29:26 -0700
Subject: Documentation.

---
 usr/src/pinyadmin/bin/pinyconfig | 20 ++++++++++++++++++--
 1 file changed, 18 insertions(+), 2 deletions(-)

(limited to 'usr/src/pinyadmin/bin/pinyconfig')

diff --git a/usr/src/pinyadmin/bin/pinyconfig b/usr/src/pinyadmin/bin/pinyconfig
index ec8e80a..e18ac30 100755
--- a/usr/src/pinyadmin/bin/pinyconfig
+++ b/usr/src/pinyadmin/bin/pinyconfig
@@ -7,12 +7,28 @@ use Piny;
 
 my ( $reponame, $attr, $value ) = @ARGV;
 
+if ( not defined $reponame or not defined $attr ) {
+  die "Usage: $0 reponame tweakable [value]\n";
+};
+
 $attr =~ s/\./_/g;
 
 my $repo = Piny::Repo->new( $reponame );
 
 if ( defined $value ) {
-  $repo->config->$attr( $value );
+  undef $@;
+  eval {
+    $repo->config->$attr( $value );
+  };
+  if ( defined $@ ) {
+    print STDERR "$attr is not a legal tweakable, or $value is not a legal value for that tweakable.\n$@\n";
+  };
 };
 
-print "$attr = " . $repo->config->$attr . "\n";
+undef $@;
+eval {
+  print "$attr = " . $repo->config->$attr . "\n";
+};
+if ( defined $@ ) {
+  print STDERR "$attr is not a legal tweakable, or its current value is illegal.\n$@\n";
+};
-- 
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