fix: support signal on CLI (#1061)

Author: timothykang

lib/cli/parse.js

@@ -194,6 +194,10 @@ function nodemonOption(options, arg, eatNext) {
     options.colours = false;
   } else
 
+  if (arg === '--signal' || arg === '-s') {
+    options.signal = eatNext();
+  } else
+
   if (arg === '--cwd') {
     options.cwd = eatNext();
 

test/cli/parse.test.js

@@ -232,7 +232,7 @@ describe('nodemon argument parser', function () {
   });
 
   it('should support short versions of flags', function () {
-    var settings = cli.parse('node nodemon -v -x java -I -V -q -w fixtures -i fixtures -d 5 -L -C -e jade');
+    var settings = cli.parse('node nodemon -v -x java -I -V -q -w fixtures -i fixtures -d 5 -L -C -e jade -s SIGHUP');
     assert(settings.version, 'version');
     assert(settings.verbose, 'verbose');
     assert(settings.exec === 'java', 'exec');
@@ -243,11 +243,12 @@ describe('nodemon argument parser', function () {
     assert(settings.delay === 5000, 'delay 5 seconds');
     assert(settings.runOnChangeOnly, 'run on change only');
     assert(settings.ext === 'jade', 'extension is jade');
+    assert(settings.signal === 'SIGHUP', 'signal is SIGHUP');
   });
 
 
   it('should support long versions of flags', function () {
-    var settings = cli.parse('node nodemon --version --exec java --verbose --quiet --watch fixtures --ignore fixtures --no-stdin --delay 5 --legacy-watch --exitcrash --on-change-only --ext jade --config my/.nodemon.json');
+    var settings = cli.parse('node nodemon --version --exec java --verbose --quiet --watch fixtures --ignore fixtures --no-stdin --delay 5 --legacy-watch --exitcrash --on-change-only --ext jade --config my/.nodemon.json --signal SIGHUP');
     assert(settings.version, 'version');
     assert(settings.verbose, 'verbose');
     assert(settings.exec === 'java', 'exec');
@@ -259,7 +260,8 @@ describe('nodemon argument parser', function () {
     assert(settings.delay === 5000, 'delay 5 seconds');
     assert(settings.runOnChangeOnly, 'run on change only');
     assert(settings.ext === 'jade', 'extension is jade');
-    assert(settings.configFile === 'my/.nodemon.json', 'custom config file name is my/.nodemon.json')
+    assert(settings.configFile === 'my/.nodemon.json', 'custom config file name is my/.nodemon.json');
+    assert(settings.signal === 'SIGHUP', 'signal is SIGHUP');
   });
 });