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improve error reporting when running shell commands with :!

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This commit is contained in:
Doug Kearns
2008-08-26 02:40:35 +00:00
parent 12be160433
commit afca48ca35
1 changed files with 26 additions and 16 deletions
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42
content/io.js
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@@ -522,46 +522,56 @@ lookup:
if (!file.exists())
{
// XXX
liberator.echoerr("Command not found: " + program);
return -1;
}
var process = Components.classes["@mozilla.org/process/util;1"].
createInstance(Components.interfaces.nsIProcess);
process.init(file);
var ec = process.run(blocking, args, args.length);
return ec;
process.init(file);
process.run(blocking, args, args.length);
return process.exitValue;
},
// when https://bugzilla.mozilla.org/show_bug.cgi?id=68702 is fixed
// is fixed, should use that instead of a tmpfile
system: function (str, input)
{
var fileout = ioManager.createTempFile();
if (!fileout)
var stdoutFile = ioManager.createTempFile();
var stderrFile = ioManager.createTempFile();
if (!stdoutFile || !stderrFile) // FIXME: error reporting
return "";
if (WINDOWS)
var command = str + " > " + fileout.path;
var command = str + " > " + stdoutFile.path + " 2> " + stderrFile.path;
else
var command = str + " > \"" + fileout.path.replace('"', '\\"') + "\"";
var command = str + " > \"" + stdoutFile.path.replace('"', '\\"') + "\"" + " 2> \"" + stderrFile.path.replace('"', '\\"') + "\"";
var stdinFile = null;
var filein = null;
if (input)
{
filein = ioManager.createTempFile();
ioManager.writeFile(filein, input);
command += " < \"" + filein.path.replace('"', '\\"') + "\"";
stdinFile = ioManager.createTempFile(); // FIXME: no returned file?
ioManager.writeFile(stdinFile, input);
command += " < \"" + stdinFile.path.replace('"', '\\"') + "\"";
}
// FIXME: why is this return value being ignored?
var res = ioManager.run(liberator.options["shell"], [liberator.options["shellcmdflag"], command], true);
var output = ioManager.readFile(fileout);
fileout.remove(false);
if (filein)
filein.remove(false);
if (res > 0)
var output = ioManager.readFile(stderrFile) + "\nshell returned " + res;
else
var output = ioManager.readFile(stdoutFile);
stdoutFile.remove(false);
stderrFile.remove(false);
if (stdinFile)
stdinFile.remove(false);
// if there is only one \n at the end, chop it off
if (output && output.indexOf("\n") == output.length - 1)