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Adding a cli option to kill the child process #110

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20 changes: 18 additions & 2 deletions cli.js
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Original file line number Diff line number Diff line change
Expand Up @@ -13,7 +13,8 @@ if(argv._.length === 0) {
'[--interval=<seconds>]',
'[--ignoreDotFiles]',
'[--ignoreUnreadable]',
'[--ignoreDirectoryPattern]'
'[--ignoreDirectoryPattern]',
'[--kill]'
].join(' '))
process.exit()
}
Expand Down Expand Up @@ -61,6 +62,7 @@ var wait = false

var dirLen = dirs.length
var skip = dirLen - 1
var runningPs = null;
for(i = 0; i < dirLen; i++) {
var dir = dirs[i]
console.error('> Watching', dir)
Expand All @@ -71,7 +73,21 @@ for(i = 0; i < dirLen; i++) {
}
if(wait) return

execshell(command)
if(argv.kill && runningPs) {
wait = true;
runningPs.kill(argv.kill);
runningPs.once('close', function() {
runningPs = execshell(command);
wait = false;
});
runningPs.once('error', function() {
console.log('Could not kill the child process :/');
process.exit(1);
});
return;
}

runningPs = execshell(command)

if(waitTime > 0) {
wait = true
Expand Down
3 changes: 3 additions & 0 deletions readme.mkd
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Expand Up @@ -114,6 +114,9 @@ OPTIONS:
--ignoreDirectoryPattern=<regexp>, -p
Silently skips directories that match the regular
expression.

--kill=<signal>, -k
Kill the run command before the new execution.
```

It will watch the given directories (defaults to the current working directory) with `watchTree` and run the given command every time a file changes.
Expand Down