1 /***************************************************************************
2 * Copyright (C) 2005-2013 by the Quassel Project *
3 * devel@quassel-irc.org *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) version 3. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
19 ***************************************************************************/
21 /** This is called at compile time and generates a suitable version.gen.
22 * usage: genversion git_root target_file
28 #include <QStringList>
31 #include <QCoreApplication>
33 int main(int argc, char **argv)
36 qFatal("Usage: ./genversion <git_root> <target_file>");
40 QCoreApplication app(argc, argv);
42 QString gitroot = app.arguments()[1];
43 QString target = app.arguments()[2];
44 QString basever, protover, clientneeds, coreneeds, descrver, dirty;
45 QString committish, commitdate;
47 // check Git for information if present
48 if (QFile::exists(gitroot + "/.git")) {
49 // try to execute git-describe to get a version string
51 git.setWorkingDirectory(gitroot);
53 git.start("cmd.exe", QStringList() << "/C" << "git" << "describe" << "--long");
55 git.start("git", QStringList() << "describe" << "--long");
57 if (git.waitForFinished(10000)) {
58 QString descr = git.readAllStandardOutput().trimmed();
59 if (!descr.isEmpty() && !descr.contains("fatal")) {
60 // seems we have a valid git describe string
62 // check if the workdir is dirty
64 git.start("cmd.exe", QStringList() << "/C" << "git" << "diff-index" << "--name-only" << "HEAD");
66 git.start("git", QStringList() << "diff-index" << "--name-only" << "HEAD");
68 if (git.waitForFinished(10000)) {
69 if (!git.readAllStandardOutput().isEmpty()) dirty = "*";
71 // get a full committish
73 git.start("cmd.exe", QStringList() << "/C" << "git" << "rev-parse" << "HEAD");
75 git.start("git", QStringList() << "rev-parse" << "HEAD");
77 if (git.waitForFinished(10000)) {
78 committish = git.readAllStandardOutput().trimmed();
80 // Now we do some replacement magic...
81 //QRegExp rxCheckTag("(.*)-0-g[0-9a-f]+\n$");
82 //QRegExp rxGittify("(.*)-(\\d+)-g([0-9a-f]+)\n$");
83 //gitversion.replace(rxCheckTag, QString("\\1%1").arg(dirty));
84 //gitversion.replace(rxGittify, QString("\\1:git-\\3+\\2%1").arg(dirty));
90 QFile verfile(gitroot + "/version.inc");
91 if (verfile.open(QIODevice::ReadOnly | QIODevice::Text)) {
92 QString ver = verfile.readAll();
94 QRegExp rxBasever("baseVersion\\s*=\\s*\"(.*)\";");
95 if (rxBasever.indexIn(ver) >= 0)
96 basever = rxBasever.cap(1);
98 QRegExp rxProtover("protocolVersion\\s*=\\s*(\\d+)");
99 if (rxProtover.indexIn(ver) >= 0)
100 protover = rxProtover.cap(1);
102 QRegExp rxClientneeds("clientNeedsProtocol\\s*=\\s*(\\d+)");
103 if (rxClientneeds.indexIn(ver) >= 0)
104 clientneeds = rxClientneeds.cap(1);
106 QRegExp rxCoreneeds("coreNeedsProtocol\\s*=\\s*(\\d+)");
107 if (rxCoreneeds.indexIn(ver) >= 0)
108 coreneeds = rxCoreneeds.cap(1);
110 if (committish.isEmpty()) {
111 QRegExp rxCommit("distCommittish\\s*=\\s*([0-9a-f]+)");
112 if (rxCommit.indexIn(ver) >= 0) committish = rxCommit.cap(1);
115 QRegExp rxTimestamp("distCommitDate\\s*=\\s*([0-9]+)");
116 if (rxTimestamp.indexIn(ver) >= 0) commitdate = rxTimestamp.cap(1);
120 // generate the contents for version.gen
121 QByteArray contents = QString("QString buildinfo = \"%1,%2,%3,%4,%5,%6,%7,%8\";\n")
122 .arg(basever, descrver, dirty, committish, commitdate, protover, clientneeds, coreneeds)
126 if (!gen.open(QIODevice::ReadWrite | QIODevice::Text)) {
127 qFatal("%s", qPrintable(QString("Could not write %1!").arg(target)));
130 QByteArray oldContents = gen.readAll();
131 if (oldContents != contents) { // only touch the file if something changed
135 gen.waitForBytesWritten(10000);