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Subject: Re: SSH hostname completion with common suffix and globcomplete
 inserts characters
To: zsh-workers@zsh.org
References: <705fb246-abcf-176b-d4fa-eb0e01cded05@thequod.de>
From: Daniel Hahler <genml+zsh-workers@thequod.de>
Message-ID: <ff26da9c-c16f-d148-1753-a4f55c8cb99f@thequod.de>
Date: Wed, 17 Aug 2016 21:38:39 +0200
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From: Daniel Hahler <genml+zsh-workers@thequod.de>
To: zsh-workers@zsh.org
Message-ID: <ff26da9c-c16f-d148-1753-a4f55c8cb99f@thequod.de>
Subject: Re: SSH hostname completion with common suffix and globcomplete
 inserts characters
References: <705fb246-abcf-176b-d4fa-eb0e01cded05@thequod.de>
In-Reply-To: <705fb246-abcf-176b-d4fa-eb0e01cded05@thequod.de>

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Another, seemingly related issue:

Given ssh_config2:

  Host foo-test-05827d88.foo.bar bar-test-6cae9ce0.foo.bar

% ssh -F ssh_config2 test<TAB>

completes to

% ssh -F ssh_config2 -test-|.foo.bar

and a second invocation of the completion will then use the "-t" at the
beginning (for "escape character (or `none')").

Should this get quoted on expansion to prevent this?


When quoting it manually, I see a similar issue as described before (see
below), where

  ssh -F ssh_config2 '-test-<TAB>.foo.bar'

gets expanded to

  ssh -F ssh_config2 '-test-BR.foo.bar'

(without the globcomplete option though!)


On 17.08.2016 21:16, Daniel Hahler wrote:
> When using TAB completion (via expand-or-complete, and "setopt
> globcomplete") on a partial hostname where alternatives with a common
> suffix exist, the second invocation of TAB will insert some character(s=
)
> that make it fail to complete afterwards.
>=20
>=20
> % autoload -Uz compinit
> % compinit
> % echo "Host test-05827d88.foo.bar test-6cae9ce0.foo.bar" > ssh_config
> % setopt globcomplete
>=20
> With
>=20
> % ssh -F ssh_config test-<TAB>
>=20
> You will get:
>=20
> % ssh -F ssh_config test-|.foo.bar
>=20
> Pressing TAB again results in:
>=20
> % ssh -F ssh_config test-|BR.foo.bar
>=20
> The characters being inserted seem to come from the "bar".
>=20
> With ".dot.com" at the end I am seeing "CM" being inserted.
>=20
> With "Host test-05.dot.com test-6c.dot.com" however "D" is being
> inserted.
>=20
> And with a single TLD (i.e. "test-05827d88.com test-6cae9ce0.com") it
> works.
>=20
> In _ssh_hosts the following is used, which seems to be relevant, since
> the inserted characters are uppercased:
>=20
>     compadd -M 'm:{a-zA-Z}=3D{A-Za-z} r:|.=3D* r:|=3D*' "$@" $config_ho=
sts
>=20
> zsh 5.2-dev-1, 062aeca.
>=20
>=20
> Thanks,
> Daniel.
>=20


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