Re: [PATCH 1/3] shell-completion: Add initial completion for kmod

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On Tue, Jul 30, 2013 at 03:48:13AM -0300, Lucas De Marchi wrote:
> From: Lucas De Marchi <lucas.demarchi@xxxxxxxxx>
> 
> Skeleton pulled from udevadm in systemd and adapted to kmod needs.
> ---
>  NEWS                       |  2 +-
>  shell-completion/bash/kmod | 53 ++++++++++++++++++++++++++++++++++++++++++++++
>  2 files changed, 54 insertions(+), 1 deletion(-)
>  create mode 100644 shell-completion/bash/kmod
> 
> diff --git a/NEWS b/NEWS
> index 1dff366..491146d 100644
> --- a/NEWS
> +++ b/NEWS
> @@ -6,7 +6,7 @@ kmod 15
>  
>  - New features:
>  	- kmod static-nodes creates parent directories if given a -o option
> -	- kmod binary doesn't statically link to libkmod
> +	- kmod binary statically link to libkmod
>  
>  kmod 14
>  =======
> diff --git a/shell-completion/bash/kmod b/shell-completion/bash/kmod
> new file mode 100644
> index 0000000..81dbf46
> --- /dev/null
> +++ b/shell-completion/bash/kmod
> @@ -0,0 +1,53 @@
> +# kmod completion                                          -*- shell-script -*-
> +#
> +# This file is part of systemd.
> +#
> +# Copyright 2010 Ran Benita
> +# Copyright (C) 2013  Intel Corporation. All rights reserved.
> +#
> +# systemd is free software; you can redistribute it and/or modify it
> +# under the terms of the GNU Lesser General Public License as published by
> +# the Free Software Foundation; either version 2.1 of the License, or
> +# (at your option) any later version.
> +#
> +# systemd is distributed in the hope that it will be useful, but
> +# WITHOUT ANY WARRANTY; without even the implied warranty of
> +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
> +# General Public License for more details.
> +#
> +# You should have received a copy of the GNU Lesser General Public License
> +# along with systemd; If not, see <http://www.gnu.org/licenses/>.
> +
> +__contains_word () {
> +    local word=$1; shift
> +    for w in $*; do [[ $w = $word ]] && return 0; done

Should be "$@", not $*, and "$word", not $word.

> +    return 1
> +}
> +
> +_kmod() {
> +    local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]}
> +    local verb comps
> +
> +    local -A VERBS=(
> +	[HELP]='help'
> +	[LIST]='list'
> +	[STATIC-NODES]='static-nodes'

It seems you have tabs here instead of spaces. I think you probably want
the top level actions in a single list, not broken out like this.
Subsequent options for the toplevel actions would want to be broken out
in an associative array like you have here.

> +    )
> +
> +    for ((i=0; $i <= $COMP_CWORD; i++)); do
> +        if __contains_word "${COMP_WORDS[i]}" ${VERBS[*]} &&
> +            ! __contains_word "${COMP_WORDS[i-1]}" ${OPTS[ARG]}; then
> +            verb=${COMP_WORDS[i]}
> +            break
> +        fi
> +    done
> +
> +    if [[ -z $verb ]]; then
> +	comps=${VERBS[*]}

Tabs here too.

> +    fi
> +
> +    COMPREPLY=( $(compgen -W '$comps' -- "$cur" ) )
> +    return 0
> +}
> +
> +complete -F _kmod kmod
> -- 
> 1.8.3.4
> 
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