Ensure that no cycle is created when add an alias.

1 files changed, 5 insertions, 0 deletions

diff --git a/lib/Fripost/Commands/add_alias.pm b/lib/Fripost/Commands/add_alias.pm
index 7155368..8581a9f 100644
--- a/lib/Fripost/Commands/add_alias.pm
+++ b/lib/Fripost/Commands/add_alias.pm
@@ -19,6 +19,7 @@ use IO::Prompter;
 use Fripost::Prompt;
 use Fripost::Schema;
 use Fripost::Email;
+use Fripost::Tests;
 
 our $VERSION = '0.01';
 
@@ -32,6 +33,10 @@ sub main {
     my @addr = @_;
     @addr || push @addr, (split /, */, prompt "Alias from address(es): ");
 
+    my $graph = build_alias_graph ($ldap->alias->search()->entries);
+    my @path = search_path ($graph, $goto, $addr[0]);
+    die "Error: Cannot create cycle " . join (' -> ', @path) . ' -> ' . $goto . "\n"
+        if @path;
 
     # Show goto adress
     say "Goto adress: $goto";