Use PropertyList instead of plutil for increased performance.

Change-Id: I8ff5b11ed06bb2817e47a973d1a8043c5bcd3237
Reviewed-by: Joerg Bornemann <joerg.bornemann@digia.com>

1 files changed, 12 insertions, 8 deletions

diff --git a/share/qbs/modules/ib/IBModule.qbs b/share/qbs/modules/ib/IBModule.qbs
index 0a0049733..21117103d 100644
--- a/share/qbs/modules/ib/IBModule.qbs
+++ b/share/qbs/modules/ib/IBModule.qbs
@@ -87,14 +87,18 @@ Module {
                 if (process.exec("ibtool", ["--version"], true) !== 0)
                     print(process.readStdErr());
 
-                var plist = new PropertyList();
-                plist.readFromString(process.readStdOut());
-
-                plist = JSON.parse(plist.toJSONString());
-                if (plist)
-                    plist = plist["com.apple.ibtool.version"];
-                if (plist)
-                    version = plist["short-bundle-version"];
+                var propertyList = new PropertyList();
+                try {
+                    propertyList.readFromString(process.readStdOut());
+
+                    var plist = JSON.parse(propertyList.toJSONString());
+                    if (plist)
+                        plist = plist["com.apple.ibtool.version"];
+                    if (plist)
+                        version = plist["short-bundle-version"];
+                } finally {
+                    propertyList.clear();
+                }
             } finally {
                 process.close();
             }