Getting git commit id on Qt qmake project at make time - c++

Question

On Windows 10 Qt 5.15, I'm getting git commit id on Qt qmake project at qmake time with
COMMIT = '\\"$$system(git rev-parse --verify master)\\"'
DEFINES += COMMIT_VERSION=\"$${COMMIT}\"
And on main.cpp I can print that with qDebug() << COMMIT_VERSION;
Since some commits do not require a full project rebuild I'm getting old (not the latest) commit ids.
How can I get that updated on every build?

Answer 1

I use Ubuntu but for doing what you want I try this:
what you do is like in cmd or terminal always type this command :
git rev-parse --verify master
so for doing this I use QProcess like this :
first of all, I create one bash file and put that command there.
I always put commands in one shell script file because it's easy and just put.sh file in the start process.
test.sh
#!/bin/sh
cd /home/parisa/projectFolderName;git rev-parse --verify master
and this is code :
QProcess *myProcess = new QProcess();
myProcess->start("/home/parisa/untitled1/test.sh");
myProcess->waitForFinished(3);
QString str = myProcess->readAll();
qDebug() << "git id : " << str;
delete myProcess;
and this is the output :
In QTCreator short cut Alt + K or Alt +G will show you the git log.