use ctl install_launcher, only start via launchctl if launcher is installed

Open Media Library.app/Contents/MacOS/Open Media Library

@@ -5,8 +5,12 @@ if [[ ! -e "/usr/sbin/miredo" ]]; then
     open -W ../Resources/miredo-osx-v1.2.6-beta2.pkg
 fi
 if [[ -e "$BASE" ]]; then
+    if [[ -e "$HOME/Library/LaunchAgents/com.openmedialibrary.loginscript.plist" ]]; then
         launchctl start com.openmedialibrary.loginscript
         open "$BASE/openmedialibrary/static/html/load.html"
+    else
+        "$BASE/ctl" open
+    fi
 else
     python install.py "$BASE" &
     open ../Resources/static/install.html

Open Media Library.app/Contents/MacOS/install.py

@@ -85,7 +85,7 @@ class Install(Thread):
         self.status["progress"] = 1
         with open('config/release.json', 'w') as fd:
             json.dump(release, fd, indent=2)
-        self.install_launchd()
+        os.system("./ctl install_launcher")
         self.status = {"done": True}
         self.httpd.shutdown()
 
@@ -111,29 +111,6 @@ class Install(Thread):
             data = json.load(u)
         return data
 
-    def install_launchd(self):
-        name = 'com.openmedialibrary.loginscript'
-        plist = os.path.expanduser('~/Library/LaunchAgents/%s.plist'%name)
-        with open(plist, 'w') as f:
-            f.write('''<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-    <dict>
-        <key>Label</key>
-        <string>%s</string>
-        <key>ProgramArguments</key>
-        <array>
-            <string>%s/ctl</string>
-            <string>start</string>
-        </array>
-        <key>RunAtLoad</key>
-        <true/>
-    </dict>
-</plist>''' % (name, self.target))
-        os.system('launchctl load "%s"' % plist)
-        os.system('launchctl start %s' % name)
-
-
 if __name__ == '__main__':
     if len(sys.argv) == 1:
         target = os.path.join(os.curdir, 'openmedialibrary')