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13860: caching layer support in _deb_packages

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Clint Adams 2001-03-30 21:02:44 +00:00
parent 261193a5b7
commit 7c48a9699e
2 changed files with 30 additions and 3 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
2001-03-30 Clint Adams <schizo@debian.org>
* 13860: Completion/Debian/_deb_packages: caching layer support.
2001-03-30 Peter Stephenson <pws@csr.com>
* 13851: Src/signals.c, Src/exec.c: don't exec final command in

29
Completion/Debian/_deb_packages
View file

@ -3,19 +3,26 @@
# Usage: _deb_packages expl... avail|installed|uninstalled
_deb_packages_update_avail () {
if (( ! $+_deb_packages_cache_avail )); then
if ( [[ ${+_deb_packages_cache_avail} -eq 0 ]] ||
_cache_invalid DEBS_avail ) && ! _retrieve_cache DEBS_avail;
then
_deb_packages_cache_avail=(
${(f)"$(apt-cache dumpavail | awk '/^Package:/ { print $2 }')"}
)
_store_cache DEBS_avail _deb_packages_cache_avail
fi
cachevar=_deb_packages_cache_avail
}
_deb_packages_update_installed () {
if (( ! $+_deb_packages_cache_installed )); then
if ( [[ ${+_deb_packages_cache_installed} -eq 0 ]] ||
_cache_invalid DEBS_installed ) && ! _retrieve_cache DEBS_installed;
then
_deb_packages_cache_installed=(
${${${(f)"$(dpkg --get-selections)"}:#*deinstall}%% *}
)
_store_cache DEBS_installed _deb_packages_cache_installed
fi
cachevar=_deb_packages_cache_installed
}
@ -32,7 +39,12 @@ _deb_packages_update_uninstalled () {
}
_deb_packages () {
local command="$argv[$#]" expl cachevar pkgset
local command="$argv[$#]" expl cachevar pkgset update_policy
zstyle -s ":completion:*:*:$service:*" cache-policy update_policy
if [[ -z "$update_policy" ]]; then
zstyle ":completion:*:*:$service:*" cache-policy _debs_caching_policy
fi
[[ "$command" = (installed|uninstalled|avail) ]] || {
_message "_deb_packages:unknown command: $command"
@ -54,4 +66,15 @@ _deb_packages () {
_tags packages && compadd "$expl[@]" - "${(@P)cachevar}"
}
_debs_caching_policy () {
# rebuild if cache is more than a week old
oldp=( "$1"(mw+1) )
(( $#oldp )) && return 0
[[ /var/cache/apt/pkgcache.bin -nt "$1" ||
/var/lib/dpkg/available -nt "$1" ]]
}
_deb_packages "$@"