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git://git.code.sf.net/p/zsh/code
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112 lines
3.1 KiB
Plaintext
112 lines
3.1 KiB
Plaintext
#compdef pmpath pmvers pmdesc pmload pmexp pmeth pmls pmcat pman pmfunc podgrep podtoc podpath
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#
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# _perl_modules - zsh completion function
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#
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# Adam Spiers <adam@spiers.net>
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#
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# Calculate all installed Perl modules. The result is cached
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# for future use.
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#
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# Available styles:
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#
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# * try-to-use-pminst
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#
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# Set this if you have pminst and want to use it. The zsh code
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# actually produces better results because pminst misses modules of
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# the form Foo/bar/Baz.pm through its clumsy -d && /^[A-Z]/ && prune
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# algorithm (the zsh code does almost the same, but only misses
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# modules which don't begin with an uppercase letter).
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_perl_modules () {
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local opts
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zparseopts -D -a opts S: q
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# Set a sensible default caching policy. This has to be done inside
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# this function otherwise we wouldn't know the context for the style.
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local update_policy
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zstyle -s ":completion:${curcontext}:" cache-policy update_policy
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if [[ -z "$update_policy" ]]; then
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zstyle ":completion:${curcontext}:" cache-policy \
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_perl_modules_caching_policy
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fi
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local perl=${words[0]%doc} perl_modules
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if whence $perl >/dev/null; then
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perl_modules=_${${perl//[^[:alnum:]]/_}#_}_modules
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elif (( ${+commands[perl]} )); then
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perl=perl
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perl_modules=_perl_modules
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else
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perl=
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perl_modules=_unknown_perl_modules
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fi
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if ( [[ ${(P)+perl_modules} -eq 0 ]] || _cache_invalid $perl_modules ) &&
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! _retrieve_cache ${perl_modules#_};
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then
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if zstyle -t ":completion:${curcontext}:modules" try-to-use-pminst &&
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(( ${+commands[pminst]} ));
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then
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set -A $perl_modules $(pminst)
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else
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local inc libdir new_pms
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if [[ ${+perl} -eq 1 ]]; then
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inc=( $( $perl -e 'print "@INC"' ) )
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else
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# If perl isn't there, one wonders why the user's trying to
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# complete Perl modules. Maybe her $path is wrong?
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_message "Didn't find perl on \$PATH; guessing @INC ..."
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inc=( /usr/lib/perl5{,/{site_perl/,}<5->.([0-9]##)}(N)
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${(s.:.)PERL5LIB} )
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fi
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typeset -agU $perl_modules # $perl_modules is global, no duplicates
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set -A $perl_modules
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for libdir in $inc; do
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# Ignore cwd - could be too expensive e.g. if we're near /
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if [[ $libdir == '.' ]]; then continue; fi
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# Find all modules
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if [[ -d $libdir && -x $libdir ]]; then
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new_pms=( $libdir/{[A-Z]*/***/,}*.pm~*blib* )
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new_pms=( "${(@)new_pms##$libdir/##}" )
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fi
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# Convert to Perl nomenclature
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new_pms=( ${new_pms:r:fs#/#::#} )
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set -A $perl_modules $new_pms ${(P)perl_modules}
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done
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fi
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_store_cache ${perl_modules#_} $perl_modules
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fi
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local expl
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_wanted modules expl 'Perl modules' compadd "$opts[@]" -a $perl_modules
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}
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_perl_modules_caching_policy () {
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local _perllocals
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# rebuild if cache is more than a week old
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oldp=( "$1"(mw+1) )
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(( $#oldp )) && return 0
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_perllocals=( /usr/lib/perl5/**/perllocal.pod )
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if (( $#_perllocals )); then
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for pod in $_perllocals; do
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[[ "$pod" -nt "$1" ]] && return 0
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done
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fi
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return 1
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}
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_perl_modules "$@"
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