当试图运行git shortlog和nodejs时,Exec不会返回任何东西 [英] Exec not returning anything when trying to run git shortlog with nodejs
问题描述
<$ p 我试图通过nodejs获取
git shortlog
的结果: $ p> var exec = require('child_process')。exec;
exec(cd / tmp /+ folder +&& git shortlog,{maxBuffer:500 * 1024},function(error,stdout,stderror){
console.log(arguments );
});
我的回调函数永远不会用这个方法调用,程序会无限期地处理某些东西。 b
$ b
在我的提示符中启动此命令时,我得到了结果。
尝试将结果重定向到文件,创建一个空file:
cd / tmp /+文件夹+&&& git shortlog> stats.txt
但是如果我使用 git log
得到我的结果。
你知道为什么我的回调永远不会被调用 git shortlog
?
编辑:
我使用spawn获得了相同的结果:
exec ('cd / tmp /'+文件夹,函数(err){
if(err){
throw err;
}
var shortlog = spawn(' git',['shortlog']);
shortlog.stdout.on('data',function(data){
console.log('stdout:'+ data);
} );
shortlog.stderr.on('data',functi on(data){
console.log('stderr:'+ data);
});
$ b shortlog.on('close',function(code){
console.log('child process exited with code'+ code);
});
});
编辑2:
process.chdir()不会改变任何内容:
process.chdir('/ tmp /'+ folder);
var shortlog = spawn('git',['shortlog']);
shortlog.stdout.on('data',function(data){
console.log('stdout:'+ data);
});
git shortlog
认为它必须从stdin中读取一些东西,因此无限期等待。试试这个:
exec('git shortlog< / dev / tty',{cwd:/ tmp /+文件夹},函数(err,stdout,stderr){
console.log(arguments);
});
I'm trying to get the result of git shortlog
on a repository with nodejs this way:
var exec = require('child_process').exec;
exec("cd /tmp/"+folder +" && git shortlog", {maxBuffer: 500*1024}, function(error, stdout, stderror){
console.log(arguments);
});
My callback is never called with this method, the program appears processing something indefinitely.
When I launch this command in my prompt I've the results.
Trying to redirect the result to a file create an empty file :
"cd /tmp/"+folder +" && git shortlog > stats.txt"
But if I use git log
instead I've got my results.
Do you know why my callback is never called with git shortlog
?
Edit : I've the same result using spawn :
exec("cd /tmp/"+folder, function(err){
if(err){
throw err;
}
var shortlog = spawn('git', ['shortlog']);
shortlog.stdout.on('data', function (data) {
console.log('stdout: ' + data);
});
shortlog.stderr.on('data', function (data) {
console.log('stderr: ' + data);
});
shortlog.on('close', function (code) {
console.log('child process exited with code ' + code);
});
});
Edit 2 : process.chdir() doesn't change anything :
process.chdir('/tmp/'+folder);
var shortlog = spawn('git', ['shortlog']);
shortlog.stdout.on('data', function (data) {
console.log('stdout: ' + data);
});
git shortlog
thinks that it has to read something from stdin, hence the indefinite wait. Try this:
exec('git shortlog < /dev/tty', { cwd : "/tmp/" + folder }, function(err, stdout, stderr) {
console.log(arguments);
});
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