1 files changed, 27 insertions, 3 deletions

diff --git a/lib/CIL/Issue.pm b/lib/CIL/Issue.pm
index eff317f..c1360d0 100644
--- a/lib/CIL/Issue.pm
+++ b/lib/CIL/Issue.pm
@@ -82,6 +82,10 @@ sub prefix {
     return 'i';
 }
 
+sub type {
+    return 'Issue';
+}
+
 sub fields {
     return \@FIELDS;
 }
@@ -131,8 +135,22 @@ sub add_label {
     croak 'provide a label when adding one'
         unless defined $label;
 
+    # return if we already have this label
+    return if grep { $_ eq $label } @{$self->{data}{Label}};
+
     push @{$self->{data}{Label}}, $label;
-    $self->flag_as_updated();
+    $self->set_updated_now();
+}
+
+sub remove_label {
+    my ($self, $label) = @_;
+
+    croak 'provide a label when removing one'
+        unless defined $label;
+
+    # remove this label
+    @{$self->{data}{Label}} = grep { $_ ne $label } @{$self->{data}{Label}};
+    $self->set_updated_now();
 }
 
 sub add_comment {
@@ -165,8 +183,11 @@ sub add_depends_on {
     croak 'provide an issue name when adding a depends'
         unless defined $depends;
 
+    # return if we already have this depends
+    return if grep { $_ eq $depends } @{$self->{data}{DependsOn}};
+
     push @{$self->{data}{DependsOn}}, $depends;
-    $self->flag_as_updated();
+    $self->set_updated_now();
 }
 
 sub add_precedes {
@@ -175,8 +196,11 @@ sub add_precedes {
     croak 'provide an issue name when adding a precedes'
         unless defined $precedes;
 
+    # return if we already have this precedes
+    return if grep { $_ eq $precedes } @{$self->{data}{Precedes}};
+
     push @{$self->{data}{Precedes}}, $precedes;
-    $self->flag_as_updated();
+    $self->set_updated_now();
 }
 
 sub LabelList {