+/***************************************************************************
+ * Copyright (C) 2005-08 by the Quassel Project *
+ * devel@quassel-irc.org *
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 2 of the License, or *
+ * (at your option) version 3. *
+ * *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+ * GNU General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program; if not, write to the *
+ * Free Software Foundation, Inc., *
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ ***************************************************************************/
+
+/** This is called at compile time and generates a suitable version.gen.
+ * usage: genversion git_root target_file
+ *
+ */
+
+#include <QDebug>
+#include <QProcess>
+#include <QString>
+#include <QStringList>
+#include <QRegExp>
+#include <QFile>
+
+int main(int argc, char **argv) {
+ if(argc < 3) {
+ qFatal("Usage: ./genversion <git_root> <target_file>");
+ return 255;
+ }
+ QString gitroot = argv[1];
+ QString target = argv[2];
+ QString version;
+
+ if(QFile::exists(gitroot + "/.git")) {
+ // try to execute git-describe to get a version string
+ QProcess git;
+ git.setWorkingDirectory(gitroot);
+ git.start("git-describe", QStringList("--long"));
+ if(git.waitForFinished(10000)) {
+ QString gitversion = git.readAllStandardOutput();
+ if(!gitversion.isEmpty() && !gitversion.contains("fatal")) {
+ // seems we have a valid version string, now prettify it...
+ // check if the workdir is dirty first
+ QString dirty;
+ QStringList params = QStringList() << "--name-only" << "HEAD";
+ git.start("git-diff-index", params);
+ if(git.waitForFinished(10000)) {
+ if(!git.readAllStandardOutput().isEmpty()) dirty = "*";
+ }
+ // Now we do some replacement magic...
+ QRegExp rxCheckTag("(.*)-0-g[0-9a-f]+\n$");
+ QRegExp rxGittify("(.*)-(\\d+)-g([0-9a-f]+)\n$");
+ gitversion.replace(rxCheckTag, QString("\\1%1").arg(dirty));
+ gitversion.replace(rxGittify, QString("\\1:git-\\3+\\2%1").arg(dirty));
+ if(!gitversion.isEmpty()) version = gitversion;
+ }
+ }
+ }
+ if(version.isEmpty()) {
+ // hmm, Git failed... let's check for version.dist instead
+ QFile dist(gitroot + "/version.dist");
+ if(dist.open(QIODevice::ReadOnly | QIODevice::Text)) {
+ version = dist.readAll();
+ dist.close();
+ }
+ }
+ // ok, create our version.gen now
+ QFile gen(target);
+ if(!gen.open(QIODevice::WriteOnly | QIODevice::Text)) {
+ qFatal(QString("Could not write %1!").arg(target).toAscii());
+ return 255;
+ }
+ gen.write(QString("quasselGeneratedVersion = \"%1\";\n"
+ "quasselBuildDate = \"%2\";\n"
+ "quasselBuildTime = \"%3\";\n").arg(version).arg(__DATE__).arg(__TIME__).toAscii());
+ gen.close();
+ return EXIT_SUCCESS;
+}