po: added an optional target percentage to needstranslation

(cherry picked from commit 98cc9460ac67fee606437712882cfa1e5d259729)

2 files changed, 19 insertions, 3 deletions

diff --git a/IkiWiki/Plugin/po.pm b/IkiWiki/Plugin/po.pm
index 4e6eff94f..903a9500f 100644
--- a/IkiWiki/Plugin/po.pm
+++ b/IkiWiki/Plugin/po.pm
@@ -1249,16 +1249,29 @@ sub match_currentlang ($$;@) {
 
 sub match_needstranslation ($$;@) {
 	my $page=shift;
+	my $wanted=shift;
+
+	if (defined $wanted && $wanted ne "") {
+		if ($wanted !~ /^\d+$/) {
+			return IkiWiki::FailReason->new("parameter is not an integer");
+		}
+		elsif ($wanted > 100) {
+			return IkiWiki::FailReason->new("parameter is greater than 100");
+                }
+        }
+        else {
+		$wanted=100;
+        }
 
 	my $percenttranslated=IkiWiki::Plugin::po::percenttranslated($page);
 	if ($percenttranslated eq 'N/A') {
 		return IkiWiki::FailReason->new("file is not a translatable page");
 	}
-	elsif ($percenttranslated < 100) {
+	elsif ($percenttranslated < $wanted) {
 		return IkiWiki::SuccessReason->new("file has $percenttranslated translated");
         }
 	else {
-		return IkiWiki::FailReason->new("file is fully translated");
+		return IkiWiki::FailReason->new("file is translated enough");
 	}
 }
 
diff --git a/doc/ikiwiki/pagespec/po.mdwn b/doc/ikiwiki/pagespec/po.mdwn
index f8b398575..f9956404c 100644
--- a/doc/ikiwiki/pagespec/po.mdwn
+++ b/doc/ikiwiki/pagespec/po.mdwn
@@ -12,7 +12,10 @@ wiki:
 * "`currentlang()`" - tests whether a page is written in the same
   language as the current page.
 * "`needstranslation()`" - tests whether a page needs translation
-  work. Only slave pages match this PageSpec.
+  work. Only slave pages match this PageSpec. A minimum target
+  translation percentage can optionally be passed as an integer
+  parameter: "`needstranslation(50)`" matches only pages less than 50%
+  translated.
 
 Note that every non-po page is considered to be written in
 `po_master_language`, as specified in `ikiwiki.setup`.