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22187: improved _hosts

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This commit is contained in:
Peter Stephenson 2006-02-03 16:31:23 +00:00
parent 08bfbba1c8
commit ed6c05aa7c
2 changed files with 32 additions and 13 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2006-02-03 Peter Stephenson <pws@csr.com>
* 22187: Completion/Unix/Type/_hosts: don't trounce any global
$hosts; don't use hacky array assignment; do examine
~/.ssh/known_hosts for default set of hosts to complete.
2006-01-29 Wayne Davison <wayned@users.sourceforge.net>
* unposted: Completion/Unix/Command/_rsync: Added new options

39
Completion/Unix/Type/_hosts
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@ -1,21 +1,34 @@
#compdef ftp rwho rup xping traceroute host aaaa zone mx ns soa txt
local expl hosts tmp
# avoid calling variable "hosts", it's an obvious candidate for use in
# zstyle -e '*' hosts 'reply=($hosts)'
local expl _hosts tmp
if ! zstyle -a ":completion:${curcontext}:hosts" hosts hosts; then
(( $+_cache_hosts )) ||
if (( ${+commands[getent]} )); then
: ${(A)_cache_hosts:=${(s: :)${(ps:\t:)${(f)~~"$(_call_program hosts getent hosts 2>/dev/null)"}##[:blank:]#[^[:blank:]]#}}}
else
: ${(A)_cache_hosts:=${(s: :)${(ps:\t:)${${(f)~~"$(</etc/hosts)"}%%\#*}##[:blank:]#[^[:blank:]]#}}}
if (( ${+commands[ypcat]} )) &&
tmp=$(_call_program hosts ypcat hosts.byname 2>/dev/null); then
_cache_hosts+=( ${=${(f)tmp}##[:blank:]#[^[:blank:]]#} ) # If you use YP
fi
if ! zstyle -a ":completion:${curcontext}:hosts" hosts _hosts; then
if (( $+_cache_hosts == 0 )); then
# uniquify
typeset -gUa _cache_hosts
if (( ${+commands[getent]} )); then
# pws: we were using the horrible ": ${(A)...:=}" syntax to assign
# to _cache_hosts, overriding the typeset as well as being unreadable
# and having obscure splitting behaviour. Why? We've just
# tested _cache_hosts doesn't exist.
_cache_hosts=(${(s: :)${(ps:\t:)${(f)~~"$(_call_program hosts getent hosts 2>/dev/null)"}##[:blank:]#[^[:blank:]]#}})
else
_cache_hosts=(${(s: :)${(ps:\t:)${${(f)~~"$(</etc/hosts)"}%%\#*}##[:blank:]#[^[:blank:]]#}})
if (( ${+commands[ypcat]} )) &&
tmp=$(_call_program hosts ypcat hosts.byname 2>/dev/null); then
_cache_hosts+=( ${=${(f)tmp}##[:blank:]#[^[:blank:]]#} ) # If you use YP
fi
fi
hosts=( "$_cache_hosts[@]" )
if [[ -r ~/.ssh/known_hosts ]]; then
_cache_hosts+=( $(sed -e '/^[0-9]*\.[0-9]*\.[0-9]*\.[0-9]/d' -e 's/[ ,].*//p' ~/.ssh/known_hosts) )
fi
fi
_hosts=( "$_cache_hosts[@]" )
fi
_wanted hosts expl host \
compadd -M 'm:{a-zA-Z}={A-Za-z} r:|.=* r:|=*' -a "$@" - hosts
compadd -M 'm:{a-zA-Z}={A-Za-z} r:|.=* r:|=*' -a "$@" - _hosts