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fix: bump update-notifier
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fixes: #1919
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@remy
remy committed Sep 23, 2021
1 parent 842c2db commit 90e7a3e
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Showing 3 changed files with 1,597 additions and 649 deletions.
132 changes: 72 additions & 60 deletions lib/monitor/run.js
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Expand Up @@ -16,7 +16,7 @@ var restart = null;
var psTree = require('pstree.remy');
var path = require('path');
var signals = require('./signals');
const osRelease = parseInt(require('os').release().split(".")[0], 10);
const osRelease = parseInt(require('os').release().split('.')[0], 10);

function run(options) {
var cmd = config.command.raw;
Expand Down Expand Up @@ -67,7 +67,7 @@ function run(options) {
PATH: binPath + ':' + process.env.PATH,
}),
stdio: stdio,
}
};

var executable = cmd.executable;

Expand All @@ -76,12 +76,15 @@ function run(options) {
// but *only* apply to the first command, and none of the arguments.
// ref #1251 and #1236
if (executable.indexOf('/') !== -1) {
executable = executable.split(' ').map((e, i) => {
if (i === 0) {
return path.normalize(e);
}
return e;
}).join(' ');
executable = executable
.split(' ')
.map((e, i) => {
if (i === 0) {
return path.normalize(e);
}
return e;
})
.join(' ');
}
// taken from npm's cli: https://git.io/vNFD4
sh = process.env.comspec || 'cmd';
Expand Down Expand Up @@ -111,7 +114,7 @@ function run(options) {
!(firstArg.indexOf('-') === 0) && // don't fork if there's a node exec arg
firstArg !== 'inspect' && // don't fork it's `inspect` debugger
executable === 'node' && // only fork if node
utils.version.major > 4 // only fork if node version > 4
utils.version.major > 4; // only fork if node version > 4

if (shouldFork) {
// this assumes the first argument is the script and slices it out, since
Expand All @@ -125,7 +128,7 @@ function run(options) {
silent: !hasStdio,
});
utils.log.detail('forking');
debug('fork', sh, shFlag, args)
debug('fork', sh, shFlag, args);
} else {
utils.log.detail('spawning');
child = spawn.apply(null, spawnArgs);
Expand Down Expand Up @@ -181,8 +184,9 @@ function run(options) {
}

if (code === 127) {
utils.log.error('failed to start process, "' + cmd.executable +
'" exec not found');
utils.log.error(
'failed to start process, "' + cmd.executable + '" exec not found'
);
bus.emit('error', code);
process.exit();
}
Expand Down Expand Up @@ -227,7 +231,8 @@ function run(options) {
return restart();
}

if (code === 0) { // clean exit - wait until file change to restart
if (code === 0) {
// clean exit - wait until file change to restart
if (runCmd) {
utils.log.status('clean exit - waiting for changes before restart');
}
Expand All @@ -241,8 +246,9 @@ function run(options) {
process.exit(1);
}
} else {
utils.log.fail('app crashed - waiting for file changes before' +
' starting...');
utils.log.fail(
'app crashed - waiting for file changes before' + ' starting...'
);
child = null;
}
}
Expand All @@ -267,21 +273,25 @@ function run(options) {
// swallow the stdin error if it happens
// ref: https://github.com/remy/nodemon/issues/1195
if (hasStdio) {
child.stdin.on('error', () => { });
child.stdin.on('error', () => {});
process.stdin.pipe(child.stdin);
} else {
if (child.stdout) {
child.stdout.pipe(process.stdout);
} else {
utils.log.error('running an unsupported version of node ' +
process.version);
utils.log.error('nodemon may not work as expected - ' +
'please consider upgrading to LTS');
utils.log.error(
'running an unsupported version of node ' + process.version
);
utils.log.error(
'nodemon may not work as expected - ' +
'please consider upgrading to LTS'
);
}
}

bus.once('exit', function () {
if (child && process.stdin.unpipe) { // node > 0.8
if (child && process.stdin.unpipe) {
// node > 0.8
process.stdin.unpipe(child.stdin);
}
});
Expand All @@ -300,14 +310,16 @@ function waitForSubProcesses(pid, callback) {
return callback();
}

utils.log.status(`still waiting for ${pids.length} sub-process${
pids.length > 2 ? 'es' : ''} to finish...`);
utils.log.status(
`still waiting for ${pids.length} sub-process${
pids.length > 2 ? 'es' : ''
} to finish...`
);
setTimeout(() => waitForSubProcesses(pid, callback), 1000);
});
}

function kill(child, signal, callback) {

if (!callback) {
callback = noop;
}
Expand All @@ -317,15 +329,14 @@ function kill(child, signal, callback) {
try {
exec('taskkill /pid ' + child.pid + ' /T /F');
} catch (e) {
utils.log.error("Could not shutdown sub process cleanly");
utils.log.error('Could not shutdown sub process cleanly');
}
}
};

// We are handling a 'SIGKILL' POSIX signal under Windows the
// same way it is handled on a UNIX system: We are performing
// a hard shutdown without waiting for the process to clean-up.
if (signal === 'SIGKILL' || osRelease < 10) {

debug('terminating process group by force: %s', child.pid);

// We are using the taskkill utility to terminate the whole
Expand All @@ -337,43 +348,43 @@ function kill(child, signal, callback) {
return;
}

// We are using the Windows Management Instrumentation Command-line
// (wmic.exe) to resolve the sub-child process identifier, because the
// 'child' process in this context is actually a cmd.exe wrapper.
// We want to send the termination signal directly to the node process.
// The '2> nul' silences the no process found error message.
const resultBuffer = execSync(
`wmic process where (ParentProcessId=${child.pid}) get ProcessId 2> nul`
);
const result = resultBuffer.toString().match(/^[0-9]+/m);
try {
// We are using the Windows Management Instrumentation Command-line
// (wmic.exe) to resolve the sub-child process identifier, because the
// 'child' process in this context is actually a cmd.exe wrapper.
// We want to send the termination signal directly to the node process.
// The '2> nul' silences the no process found error message.
const resultBuffer = execSync(
`wmic process where (ParentProcessId=${child.pid}) get ProcessId 2> nul`
);
const result = resultBuffer.toString().match(/^[0-9]+/m);

// If there is no sub-child process we fall back to the child process.
const processId = Array.isArray(result) ? result[0] : child.pid;
// If there is no sub-child process we fall back to the child process.
const processId = Array.isArray(result) ? result[0] : child.pid;

debug('sending kill signal SIGINT to process: %s', processId);
debug('sending kill signal SIGINT to process: %s', processId);

// We are using the standalone 'windows-kill' executable to send the
// standard POSIX signal 'SIGINT' to the node process. This fixes #1720.
const windowsKill = path.normalize(
`${__dirname}/../../bin/windows-kill.exe`
);
// We are using the standalone 'windows-kill' executable to send the
// standard POSIX signal 'SIGINT' to the node process. This fixes #1720.
const windowsKill = path.normalize(
`${__dirname}/../../bin/windows-kill.exe`
);

// We have to detach the 'windows-kill' execution completely from this
// process group to avoid terminating the nodemon process itself.
// See: https://github.com/alirdn/windows-kill#how-it-works--limitations
//
// Therefore we are using 'start' to create a new cmd.exe context.
// The '/min' option hides the new terminal window and the '/wait'
// option lets the process wait for the command to finish.

// We have to detach the 'windows-kill' execution completely from this
// process group to avoid terminating the nodemon process itself.
// See: https://github.com/alirdn/windows-kill#how-it-works--limitations
//
// Therefore we are using 'start' to create a new cmd.exe context.
// The '/min' option hides the new terminal window and the '/wait'
// option lets the process wait for the command to finish.
try {
execSync(
`start "windows-kill" /min /wait "${windowsKill}" -SIGINT ${processId}`
);
} catch (e) {
taskKill();
}
callback();

} else {
// we use psTree to kill the full subtree of nodemon, because when
// spawning processes like `coffee` under the `--debug` flag, it'll spawn
Expand All @@ -395,15 +406,13 @@ function kill(child, signal, callback) {

child.kill(signal);

pids.sort().forEach(pid => exec(`kill -${sig} ${pid}`, noop));
pids.sort().forEach((pid) => exec(`kill -${sig} ${pid}`, noop));

waitForSubProcesses(child.pid, () => {
// finally kill the main user process
exec(`kill -${sig} ${child.pid}`, callback);
});

});

}
}

Expand Down Expand Up @@ -510,7 +519,9 @@ bus.on('restart', function () {
// remove the child file on exit
process.on('exit', function () {
utils.log.detail('exiting');
if (child) { child.kill(); }
if (child) {
child.kill();
}
});

// because windows borks when listening for the SIG* events
Expand All @@ -520,10 +531,11 @@ if (!utils.isWindows) {
process.once('SIGINT', () => bus.emit('quit', 130));
process.once('SIGTERM', () => {
bus.emit('quit', 143);
if (child) { child.kill('SIGTERM'); }
if (child) {
child.kill('SIGTERM');
}
});
})
});
}


module.exports = run;

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