Allow configuring the interpreter to use on the remote host

kittens/ssh/options/definition.py

@@ -70,6 +70,14 @@ are processed alphabetically. The special value :code:`_kitty_copy_env_var_`
 will cause the value of the variable to be copied from the local machine.
 ''')
 
+opt('interpreter', 'sh', long_text='''
+The interpreter to use on the remote host. Must be either a POSIX complaint shell
+or a python executable. If the default sh is not available for broken, using
+an alternate interpreter can be useful. Note that as the interpreter is used for
+bootstrapping, hostname specific values are matched again the hostname from the
+command line args rather than the actual remote hostname.
+''')
+
 opt('remote_dir', '.local/share/kitty-ssh-kitten', option_type='relative_dir', long_text='''
 The location on the remote computer where the files needed for this kitten
 are installed. The location is relative to the HOME directory. Absolute paths or paths

kittens/ssh/options/parse.py

@@ -18,6 +18,9 @@ class Parser:
     def hostname(self, val: str, ans: typing.Dict[str, typing.Any]) -> None:
         hostname(val, ans)
 
+    def interpreter(self, val: str, ans: typing.Dict[str, typing.Any]) -> None:
+        ans['interpreter'] = str(val)
+
     def remote_dir(self, val: str, ans: typing.Dict[str, typing.Any]) -> None:
         ans['remote_dir'] = relative_dir(val)
 

kittens/ssh/options/types.py

@@ -5,11 +5,12 @@ import kittens.ssh.copy
 
 
 option_names = (  # {{{
- 'copy', 'env', 'hostname', 'remote_dir', 'shell_integration')  # }}}
+ 'copy', 'env', 'hostname', 'interpreter', 'remote_dir', 'shell_integration')  # }}}
 
 
 class Options:
     hostname: str = '*'
+    interpreter: str = 'sh'
     remote_dir: str = '.local/share/kitty-ssh-kitten'
     shell_integration: str = 'inherit'
     copy: typing.Dict[str, kittens.ssh.copy.CopyInstruction] = {}