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>
32 int main(int argc, char **argv)
35 qFatal("Usage: ./genversion <git_root> <target_file>");
38 QString gitroot = argv[1];
39 QString target = argv[2];
40 QString basever, protover, clientneeds, coreneeds, descrver, dirty;
41 QString committish, commitdate;
43 // check Git for information if present
44 if (QFile::exists(gitroot + "/.git")) {
45 // try to execute git-describe to get a version string
47 git.setWorkingDirectory(gitroot);
49 git.start("cmd.exe", QStringList() << "/C" << "git" << "describe" << "--long");
51 git.start("git", QStringList() << "describe" << "--long");
53 if (git.waitForFinished(10000)) {
54 QString descr = git.readAllStandardOutput().trimmed();
55 if (!descr.isEmpty() && !descr.contains("fatal")) {
56 // seems we have a valid git describe string
58 // check if the workdir is dirty
60 git.start("cmd.exe", QStringList() << "/C" << "git" << "diff-index" << "--name-only" << "HEAD");
62 git.start("git", QStringList() << "diff-index" << "--name-only" << "HEAD");
64 if (git.waitForFinished(10000)) {
65 if (!git.readAllStandardOutput().isEmpty()) dirty = "*";
67 // get a full committish
69 git.start("cmd.exe", QStringList() << "/C" << "git" << "rev-parse" << "HEAD");
71 git.start("git", QStringList() << "rev-parse" << "HEAD");
73 if (git.waitForFinished(10000)) {
74 committish = git.readAllStandardOutput().trimmed();
76 // Now we do some replacement magic...
77 //QRegExp rxCheckTag("(.*)-0-g[0-9a-f]+\n$");
78 //QRegExp rxGittify("(.*)-(\\d+)-g([0-9a-f]+)\n$");
79 //gitversion.replace(rxCheckTag, QString("\\1%1").arg(dirty));
80 //gitversion.replace(rxGittify, QString("\\1:git-\\3+\\2%1").arg(dirty));
86 QFile verfile(gitroot + "/version.inc");
87 if (verfile.open(QIODevice::ReadOnly | QIODevice::Text)) {
88 QString ver = verfile.readAll();
90 QRegExp rxBasever("baseVersion\\s*=\\s*\"(.*)\";");
91 if (rxBasever.indexIn(ver) >= 0)
92 basever = rxBasever.cap(1);
94 QRegExp rxProtover("protocolVersion\\s*=\\s*(\\d+)");
95 if (rxProtover.indexIn(ver) >= 0)
96 protover = rxProtover.cap(1);
98 QRegExp rxClientneeds("clientNeedsProtocol\\s*=\\s*(\\d+)");
99 if (rxClientneeds.indexIn(ver) >= 0)
100 clientneeds = rxClientneeds.cap(1);
102 QRegExp rxCoreneeds("coreNeedsProtocol\\s*=\\s*(\\d+)");
103 if (rxCoreneeds.indexIn(ver) >= 0)
104 coreneeds = rxCoreneeds.cap(1);
106 if (committish.isEmpty()) {
107 QRegExp rxCommit("distCommittish\\s*=\\s*([0-9a-f]+)");
108 if (rxCommit.indexIn(ver) >= 0) committish = rxCommit.cap(1);
111 QRegExp rxTimestamp("distCommitDate\\s*=\\s*([0-9]+)");
112 if (rxTimestamp.indexIn(ver) >= 0) commitdate = rxTimestamp.cap(1);
116 // generate the contents for version.gen
117 QByteArray contents = QString("QString buildinfo = \"%1,%2,%3,%4,%5,%6,%7,%8\";\n")
118 .arg(basever, descrver, dirty, committish, commitdate, protover, clientneeds, coreneeds)
122 if (!gen.open(QIODevice::ReadWrite | QIODevice::Text)) {
123 qFatal("%s", qPrintable(QString("Could not write %1!").arg(target)));
126 QByteArray oldContents = gen.readAll();
127 if (oldContents != contents) { // only touch the file if something changed
131 gen.waitForBytesWritten(10000);