Change to support node-git-server on windows as per (#41)

https://github.com/substack/pushover/issues/34

Author: insidelogic

lib/service.js

@@ -96,7 +96,13 @@ class Service extends HttpDuplex {
 
     self.once('accept', function onAccept() {
         process.nextTick(function() {
-            var cmd = ['git-' + opts.service, '--stateless-rpc', opts.cwd];
+            var cmd = null;
+            var isWin = /^win/.test(process.platform);
+            if (isWin) {
+                cmd = ['git', opts.service, '--stateless-rpc', opts.cwd];
+            } else {
+                cmd = ['git-' + opts.service, '--stateless-rpc', opts.cwd];
+            }
             var ps = spawn(cmd[0], cmd.slice(1));
             ps.on('error', function(err) {
               self.emit('error', new Error(`${err.message} running command ${cmd.join(' ')}`));

lib/util.js

@@ -84,7 +84,14 @@ const Util = {
       res.write(pack('# service=git-' + service + '\n'));
       res.write('0000');
 
-      const cmd = ['git-' + service, '--stateless-rpc', '--advertise-refs', repoLocation];
+      var cmd = null;
+      var isWin = /^win/.test(process.platform);
+      if (isWin) {
+          cmd = ['git', service, '--stateless-rpc', '--advertise-refs', repoLocation];
+      } else {
+          cmd = ['git-' + service, '--stateless-rpc', '--advertise-refs', repoLocation];
+      }
+      
       const ps = spawn(cmd[0], cmd.slice(1));
       ps.on('error', (err) => {
           dup.emit('error', new Error(`${err.message} running command ${cmd.join(' ')}`));