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sudo() doesn't play nice with shell syntax (&&, ;, etc) such as what cd() does #459

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@jrmi

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@jrmi

As cd is a shell builtin, it can't be executed as a sudo command. When I do that:

@task
def test(ctx):
    """ test command """
    with ctx.cd('my/path'):
        ctx.run("pwd") # Show correct path
        ctx.sudo("whoami") # fails with: sudo: cd: command not found

The last command fail.

After a quick look in the source, sudo command appears to be:

cmd_str = "sudo -S -p '{0}' {1}{2}".format(prompt, user_flags, command)

with the cd prefix the executed command is

$ sudo -S -p cd my/path && whoami

where cd is unknow inside sudo.

To fix the issue, new sudo command could be:

cmd_str = "sudo -S -p '{0}' {1} sh -c \"{2}\"".format(prompt, user_flags, command)

but not sure of all the consequences of this behaviour.

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