1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
class TcshShellType(object):
"""A shell type for tcsh
Note that this is untested code.
Contributed by @MHC03."""
supports_which = True
def generate_run_command(
self,
command_args,
store_pid,
cwd=None,
update_env={},
new_process_group=False,
):
commands = []
if store_pid:
commands.append("echo $$")
if cwd is not None:
commands.append("cd {0} |& cat || (( echo '\n'spur-cd: $?; exit 1; ))".format(escape_sh(cwd)))
commands.append("echo '\n'spur-cd: 0")
update_env_commands = [
"set {0}={1}".format(key, escape_sh(value))
for key, value in update_env.items()
]
commands += update_env_commands
which_commands = " || ".join(self._generate_which_commands(command_args[0]))
which_commands = "( ( " + which_commands + "; ) && echo 0; ) || ( echo $?; exit 1; )"
commands.append(which_commands)
command = " ".join(map(escape_sh, command_args))
command = "exec {0}".format(command)
if new_process_group:
command = "setsid {0}".format(command)
commands.append(command)
return "; ".join(commands)
def _generate_which_commands(self, command):
which_commands = ["command -v {0}", "which {0}"]
return (
self._generate_which_command(which, command)
for which in which_commands
)
def _generate_which_command(self, which, command):
return which.format(escape_sh(command)) + " >& /dev/null"
def escape_sh(value):
return "'" + value.replace("'", "'\\''") + "'"
|
