Fall back to default open terminal when git bash is not available

Author: ababak

openbash/__init__.py

@@ -4,24 +4,27 @@
 
 import subprocess
 import platform
+import os.path
 from fman import DirectoryPaneCommand, show_alert, run_application_command, get_application_commands
 from fman.url import splitscheme, as_human_readable
 
 class OpenBash(DirectoryPaneCommand):
     '''
     Open Bash
     '''
+
+    GIT_BASH = 'C:/Program Files/Git/git-bash.exe'
+
     def __call__(self):
         url = self.pane.get_path()
         scheme, path = splitscheme(url)
         if scheme != 'file://':
             show_alert('Not supported.')
             return
         local_path = as_human_readable(url)
-        if platform.system() == 'Windows':
-            subprocess.call('C:/Program Files/Git/git-bash.exe --cd="{cd}"'.format(
+        if platform.system() == 'Windows' and os.path.isfile(self.GIT_BASH):
+            subprocess.call('{bash_exe} --cd="{cd}"'.format(
+                bash_exe=self.GIT_BASH,
                 cd=local_path))
         else:
-            show_alert(
-                "Sorry, this plugin is supposed to run on Windows. "
-                "Use the built-in 'Open terminal' command on other platforms.")
+            self.pane.run_command('open_terminal')