# HG changeset patch
# User Chris Cannam
# Date 1473935463 -3600
# Node ID 0774f36cb1511b2cca533e46401f3641baf03331
# Parent  e257f776a589103e5ea44aa4d77403794451dba9
Add --transform-minversion flag

diff -r e257f776a589 -r 0774f36cb151 runner/main.cpp
--- a/runner/main.cpp	Tue Aug 16 16:49:22 2016 +0100
+++ b/runner/main.cpp	Thu Sep 15 11:31:03 2016 +0100
@@ -362,6 +362,11 @@
                         + myname + " is at least <V>, failure otherwise."
                         " For scripts that depend on certain option support.")
              << endl << endl;
+        cerr << "      --transform-minversion <I> <V>\n"
+             << "                      "
+             << wrapCol("Exit with successful return code if the plugin providing "
+                        " transform id <I> is at least <V>, failure otherwise.")
+             << endl << endl;
         cerr << "  -h, --help          Show help." << endl;
         cerr << "  -h, --help <W>      Show help for writer type W." << endl;
         cerr << "                      " << writerText << endl;
@@ -443,6 +448,26 @@
     cout << rdf;
 }    
 
+static int
+checkTransformMinVersion(QString myname, QString id, int version)
+{
+    Transform transform =
+        TransformFactory::getInstance()->getDefaultTransformFor(id);
+    QString pvs = transform.getPluginVersion();
+    bool ok = false;
+    int pv = pvs.toInt(&ok);
+    if (!ok) {
+        cerr << myname << ": transform version \"" << pvs << "\" is not an integer"
+             << endl;
+        return 1;
+    }
+    if (pv >= version) {
+        return 0;
+    } else {
+        return 1;
+    }
+}
+
 void
 findSourcesRecursive(QString dirname, QStringList &addTo, int &found)
 {
@@ -581,6 +606,7 @@
     bool summaryOnly = false;
     QString skeletonFor = "";
     QString minVersion = "";
+    pair<QString, QString> transformMinVersion;
     QString myname = args[0];
     myname = QFileInfo(myname).baseName();
     QStringList otherArgs;
@@ -748,6 +774,18 @@
             }
             minVersion = args[++i];
             continue;
+        } else if (arg == "--transform-minversion") {
+            if (last || (i+2) == args.size() ||
+                args[i+1].startsWith("-") ||
+                args[i+2].startsWith("-")) {
+                cerr << myname << ": usage: "
+                     << myname << " " << arg << " <version>" << endl;
+                cerr << helpStr << endl;
+                exit(2);
+            }
+            transformMinVersion = { args[i+1], args[i+2] };
+            i += 2;
+            continue;
         } else if (arg == "-s" || arg == "--skeleton") {
             if (last || args[i+1].startsWith("-")) {
                 cerr << myname << ": usage: "
@@ -828,6 +866,21 @@
         }
         exit(checkMinVersion(myname, minVersion));
     }
+    if (transformMinVersion.first != "") {
+        if (!requestedWriterTags.empty()) {
+            cerr << helpStr << endl;
+            exit(2);
+        }
+        bool ok = false;
+        int version = transformMinVersion.second.toInt(&ok);
+        if (!ok) {
+            cerr << myname << ": plugin version \"" << transformMinVersion.second
+                 << "\" must be an integer" << endl;
+            cerr << helpStr << endl;
+            exit(2);
+        }            
+        exit(checkTransformMinVersion(myname, transformMinVersion.first, version));
+    }
 
     if (requestedTransformFiles.empty() &&
         requestedTransformListFiles.empty() &&
diff -r e257f776a589 -r 0774f36cb151 tests/test-helpfulflags/test-helpfulflags.sh
--- a/tests/test-helpfulflags/test-helpfulflags.sh	Tue Aug 16 16:49:22 2016 +0100
+++ b/tests/test-helpfulflags/test-helpfulflags.sh	Thu Sep 15 11:31:03 2016 +0100
@@ -41,4 +41,10 @@
 $r --minversion 63.9 2>/dev/null && \
     fail "Returned success code when run with --minversion 63.9"
 
+$r --transform-minversion $percplug 1 || \
+    fail "Returned failure code when run with --transform-minversion $percplug 1"
+
+$r --transform-minversion $percplug 50 2>/dev/null && \
+    fail "Returned success code when run with --transform-minversion $percplug 50"
+
 exit 0
diff -r e257f776a589 -r 0774f36cb151 version.h
--- a/version.h	Tue Aug 16 16:49:22 2016 +0100
+++ b/version.h	Thu Sep 15 11:31:03 2016 +0100
@@ -1,1 +1,1 @@
-#define RUNNER_VERSION "1.4"
+#define RUNNER_VERSION "1.5"