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PATCH: _deb_packages caching
- X-seq: zsh-workers 13860
- From: Clint Adams <schizo@xxxxxxxxxx>
- To: zsh-workers@xxxxxxxxxx
- Subject: PATCH: _deb_packages caching
- Date: Fri, 30 Mar 2001 16:00:36 -0500
- Mailing-list: contact zsh-workers-help@xxxxxxxxxx; run by ezmlm
This adds caching layer support to _deb_packages, a la _rpm.
It should probably make use of _call as well.
Index: Completion/Debian/_deb_packages
===================================================================
RCS file: /cvsroot/zsh/zsh/Completion/Debian/_deb_packages,v
retrieving revision 1.2
diff -u -r1.2 _deb_packages
--- Completion/Debian/_deb_packages 2000/04/11 07:57:57 1.2
+++ Completion/Debian/_deb_packages 2001/03/30 20:59:11
@@ -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 () {
- 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: $command"
@@ -53,5 +65,16 @@
_tags packages && compadd "$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 "$1" ]]
+ }
+
+
_deb_packages "$@"
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