[OSSTEST PATCH 48/60] history reporting (nfc): Break out url_unquote

[Ian Jackson <ian.jackson@xxxxxxxxxxxxx>]

Signed-off-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
---
 Osstest/HistoryReport.pm | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/Osstest/HistoryReport.pm b/Osstest/HistoryReport.pm
index f30ded5b..f8a49955 100644
--- a/Osstest/HistoryReport.pm
+++ b/Osstest/HistoryReport.pm
@@ -147,8 +147,7 @@ sub cache_read_previous ($) {
            }
            s{^(\w+)=}{} or die "$orig -- $_ ";
            my $k = $1;
-           s{\%([0-9a-f]{2})}{ chr hex $1 }ge;
-           $ch->{$k} = $_;
+           $ch->{$k} = url_unquote($_);
        }
        push @previous, $jr;
        $cache{key($jr)} = $jr;
@@ -156,6 +155,12 @@ sub cache_read_previous ($) {
     close H;
 }
 
+sub url_unquote ($) {
+    local ($_) = "$_[0]";
+    s{\%([0-9a-f]{2})}{ chr hex $1 }ge;
+    $_;
+}
+
 sub url_quote ($) {
     local ($_) = "$_[0]";
     s{[^-+=/~:;_.,\w]}{ sprintf "%%%02x", ord $& }ge;
-- 
2.11.0