Adapt to Fossil client version 2.12

Fossil 2.12 changes the output of 'info' command replacing the label
that attributes the check-out's hash-id from 'uuid' to 'hash' [1].

[1]: https://fossil-scm.org/fossil/info/8ad5e4690854a81 "src/info.c"

Change-Id: I1277d784c377ee37434abc017db748d16353b31e
Reviewed-by: Orgad Shaneh <orgads@gmail.com>

plugins/fossil/fossilclient.cpp

@@ -392,9 +392,12 @@ RevisionInfo FossilClient::synchronousRevisionQuery(const QString &workingDirect
     const QRegularExpression idRx("([0-9a-f]{5,40})");
     QTC_ASSERT(idRx.isValid(), return RevisionInfo());
 
+    const QString hashToken =
+            (supportedFeatures().testFlag(InfoHashFeature) ? "hash: " : "uuid: ");
+
     for (const QString &l : output.split('\n', QString::SkipEmptyParts)) {
         if (l.startsWith("checkout: ", Qt::CaseInsensitive)
-            || l.startsWith("uuid: ", Qt::CaseInsensitive)) {
+            || l.startsWith(hashToken, Qt::CaseInsensitive)) {
             const QRegularExpressionMatch idMatch = idRx.match(l);
             QTC_ASSERT(idMatch.hasMatch(), return RevisionInfo());
             revisionId = idMatch.captured(1);
@@ -407,8 +410,7 @@ RevisionInfo FossilClient::synchronousRevisionQuery(const QString &workingDirect
             const QRegularExpressionMatch idMatch = idRx.match(l);
             if (idMatch.hasMatch())
                 mergeParentIds.append(idMatch.captured(1));
-        } else if (getCommentMsg
-                   && l.startsWith("comment: ", Qt::CaseInsensitive)) {
+        } else if (getCommentMsg && l.startsWith("comment: ", Qt::CaseInsensitive)) {
             const QStringList commentLineParts = parseRevisionCommentLine(l);
             commentMsg = commentLineParts.value(0);
             committer = commentLineParts.value(1);
@@ -891,7 +893,9 @@ FossilClient::SupportedFeatures FossilClient::supportedFeatures() const
 
     const unsigned int version = binaryVersion();
 
-    if (version < 0x20400) {
+    if (version < 0x21200) {
+        features &= ~InfoHashFeature;
+        if (version < 0x20400)
             features &= ~AnnotateRevisionFeature;
         if (version < 0x13000)
             features &= ~TimelinePathFeature;

plugins/fossil/fossilclient.h

@@ -49,12 +49,14 @@ public:
         DiffIgnoreWhiteSpaceFeature = 0x8,
         TimelinePathFeature = 0x10,
         AnnotateRevisionFeature = 0x20,
+        InfoHashFeature = 0x40,
         AllSupportedFeatures =  // | all defined features
             AnnotateBlameFeature
             | TimelineWidthFeature
             | DiffIgnoreWhiteSpaceFeature
             | TimelinePathFeature
             | AnnotateRevisionFeature
+            | InfoHashFeature
     };
     Q_DECLARE_FLAGS(SupportedFeatures, SupportedFeature)