Baseline: Allow setting git commit through environment variable

Widget tests run in VMs that don't have their own git clone.

Change-Id: I20ab32affabfc7ce6dfaa445306b19efb51803e9
Reviewed-by: Eirik Aavitsland <eirik.aavitsland@qt.io>
(cherry picked from commit 16d154ca5f10e8d44c0959181de5bf80697c7bdb)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>

1 files changed, 18 insertions, 16 deletions

diff --git a/tests/baseline/shared/baselineprotocol.cpp b/tests/baseline/shared/baselineprotocol.cpp
index ab6ced204a..d3177b3d8b 100644
--- a/tests/baseline/shared/baselineprotocol.cpp
+++ b/tests/baseline/shared/baselineprotocol.cpp
@@ -70,24 +70,26 @@ PlatformInfo PlatformInfo::localHostInfo()
 #endif
     pi.insert(PI_OSVersion, QSysInfo::kernelVersion());
 
+    QString gc = qEnvironmentVariable("BASELINE_GIT_COMMIT");
 #if QT_CONFIG(process)
-    QProcess git;
-    QString cmd;
-    QStringList args;
-#if defined(Q_OS_WIN)
-    cmd = QLS("cmd.exe");
-    args << QLS("/c") << QLS("git");
-#else
-    cmd = QLS("git");
-#endif
-    args << QLS("log") << QLS("--max-count=1") << QLS("--pretty=%H [%an] [%ad] %s");
-    git.start(cmd, args);
-    git.waitForFinished(3000);
-    if (!git.exitCode())
-        pi.insert(PI_GitCommit, QString::fromLocal8Bit(git.readAllStandardOutput().constData()).simplified());
-    else
-        pi.insert(PI_GitCommit, QLS("Unknown"));
+    if (gc.isEmpty()) {
+        QProcess git;
+        QString cmd;
+        QStringList args;
+    #if defined(Q_OS_WIN)
+        cmd = QLS("cmd.exe");
+        args << QLS("/c") << QLS("git");
+    #else
+        cmd = QLS("git");
+    #endif
+        args << QLS("log") << QLS("--max-count=1") << QLS("--pretty=%H [%an] [%ad] %s");
+        git.start(cmd, args);
+        git.waitForFinished(3000);
+        if (!git.exitCode())
+            gc = QString::fromLocal8Bit(git.readAllStandardOutput().constData()).simplified();
+    }
 #endif // QT_CONFIG(process)
+    pi.insert(PI_GitCommit, gc.isEmpty() ? QLS("Unknown") : gc);
 
     if (qEnvironmentVariableIsSet("JENKINS_HOME"))
         pi.setAdHocRun(false);