-/***************************************************************************
- * Copyright (C) 2005-2014 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., *
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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>
-#include <QCoreApplication>
-
-int main(int argc, char **argv)
-{
- if (argc < 3) {
- qFatal("Usage: ./genversion <git_root> <target_file>");
- return 255;
- }
-
- QCoreApplication app(argc, argv);
-
- QString gitroot = app.arguments()[1];
- QString target = app.arguments()[2];
- QString basever, protover, clientneeds, coreneeds, descrver, dirty;
- QString committish, commitdate;
-
- // check Git for information if present
- if (QFile::exists(gitroot + "/.git")) {
- // try to execute git-describe to get a version string
- QProcess git;
- git.setWorkingDirectory(gitroot);
- #ifdef Q_OS_WIN
- git.start("cmd.exe", QStringList() << "/C" << "git" << "describe" << "--long");
- #else
- git.start("git", QStringList() << "describe" << "--long");
- #endif
- if (git.waitForFinished(10000)) {
- QString descr = git.readAllStandardOutput().trimmed();
- if (!descr.isEmpty() && !descr.contains("fatal")) {
- // seems we have a valid git describe string
- descrver = descr;
- // check if the workdir is dirty
- #ifdef Q_OS_WIN
- git.start("cmd.exe", QStringList() << "/C" << "git" << "diff-index" << "--name-only" << "HEAD");
- #else
- git.start("git", QStringList() << "diff-index" << "--name-only" << "HEAD");
- #endif
- if (git.waitForFinished(10000)) {
- if (!git.readAllStandardOutput().isEmpty()) dirty = "*";
- }
- // get a full committish
- #ifdef Q_OS_WIN
- git.start("cmd.exe", QStringList() << "/C" << "git" << "rev-parse" << "HEAD");
- #else
- git.start("git", QStringList() << "rev-parse" << "HEAD");
- #endif
- if (git.waitForFinished(10000)) {
- committish = git.readAllStandardOutput().trimmed();
- }
- // 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));
- }
- }
- }
-
- // parse version.inc
- QFile verfile(gitroot + "/version.inc");
- if (verfile.open(QIODevice::ReadOnly | QIODevice::Text)) {
- QString ver = verfile.readAll();
-
- QRegExp rxBasever("baseVersion\\s*=\\s*\"(.*)\";");
- if (rxBasever.indexIn(ver) >= 0)
- basever = rxBasever.cap(1);
-
- QRegExp rxProtover("protocolVersion\\s*=\\s*(\\d+)");
- if (rxProtover.indexIn(ver) >= 0)
- protover = rxProtover.cap(1);
-
- QRegExp rxClientneeds("clientNeedsProtocol\\s*=\\s*(\\d+)");
- if (rxClientneeds.indexIn(ver) >= 0)
- clientneeds = rxClientneeds.cap(1);
-
- QRegExp rxCoreneeds("coreNeedsProtocol\\s*=\\s*(\\d+)");
- if (rxCoreneeds.indexIn(ver) >= 0)
- coreneeds = rxCoreneeds.cap(1);
-
- if (committish.isEmpty()) {
- QRegExp rxCommit("distCommittish\\s*=\\s*([0-9a-f]+)");
- if (rxCommit.indexIn(ver) >= 0) committish = rxCommit.cap(1);
- }
-
- QRegExp rxTimestamp("distCommitDate\\s*=\\s*([0-9]+)");
- if (rxTimestamp.indexIn(ver) >= 0) commitdate = rxTimestamp.cap(1);
- verfile.close();
- }
-
- // generate the contents for version.gen
- QByteArray contents = QString("QString buildinfo = \"%1,%2,%3,%4,%5,%6,%7,%8\";\n")
- .arg(basever, descrver, dirty, committish, commitdate, protover, clientneeds, coreneeds)
- .toAscii();
-
- QFile gen(target);
- if (!gen.open(QIODevice::ReadWrite | QIODevice::Text)) {
- qFatal("%s", qPrintable(QString("Could not write %1!").arg(target)));
- return EXIT_FAILURE;
- }
- QByteArray oldContents = gen.readAll();
- if (oldContents != contents) { // only touch the file if something changed
- gen.seek(0);
- gen.resize(0);
- gen.write(contents);
- gen.waitForBytesWritten(10000);
- }
- gen.close();
-
- return EXIT_SUCCESS;
-}