[PATCH 2/2] _pkg-config: Add options, complete *.pc files for positional arguments.

[Daniel Shahaf <d.s@daniel.shahaf.name>]

---
 Completion/Unix/Command/_pkg-config | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/Completion/Unix/Command/_pkg-config b/Completion/Unix/Command/_pkg-config
index 54955eb..9bd411d 100644
--- a/Completion/Unix/Command/_pkg-config
+++ b/Completion/Unix/Command/_pkg-config
@@ -3,12 +3,15 @@
 local arguments packages curcontext="$curcontext" state line ret=1
 declare -A opt_args
 
+# Up-to-date as of pkg-config 0.29-4 (debian package) man page synopsis
 arguments=(
       "--modversion[print the version information of a given package]"
+      "--version[print version information of pkg-config itself]"
       "--atleast-pkgconfig-version=[require given version of pkg-config]:minimum version"
       "(- *)"{--help,-\?}"[display a help message]"
       "(- *)--usage[display brief usage message]"
       "--print-errors[cause errors to be printed]"
+      "--short-errors[print short error messages]"
       "--silence-errors[prevent the printing of errors]"
       "--errors-to-stdout[print errors to stdout rather than stderr]"
       "--cflags[print the preprocessor and compiler flags]"
@@ -19,14 +22,19 @@ arguments=(
       "--libs-only-L[print the -L and -R parts of \"--libs\"]"
       "--libs-only-l[print the -l part of \"--libs\"]"
       "--libs-only-other[output other libs]"
+      "--validate[syntax check a .pc file]"
       "--list-all[list all known packages]"
       "--variable=[return the value of the specified variable]:variable:->variable"
       "--define-variable=[set the global value for a variable]:name value pair"
+      "--print-variables[list all variables defined in the package]"
       "--uninstalled[return success if any \"-uninstalled\" packages are being used]"
       "--exists[test whether the package exists or not]"
       "--atleast-version=[test whether the version is at least that of the specified value]:least value"
       "--exact-version=[test whether the version is exactly that of the specified value]:exact value"
       "--max-version=[test whether the version is no greater than some specific value]:max version"
+      "--print-provides[list all modules the package provides]"
+      "--print-requires[list all modules the package requires]"
+      "--print-requires-private[list all modules the package requires for static linking (see --static)]"
 #      "--msvc-syntax[output linker flags in a form compatible with MSVC++ (Windows only)]"
 #      "--dont-define-prefix[disables automatic overiding of the variable \"prefix\" (Windows only)]"
 #      "--prefix-variable=[set the name of the variable \"prefix\" (Windows only)]:prefix value"
@@ -38,7 +46,10 @@ _arguments -C -S : $arguments && ret=0
 case $state in
   (packages)
     packages=( ${${(f)"$(_call_program packages pkg-config --list-all)"}%% *} )
-    _wanted packages expl 'package' compadd -a - packages && ret=0
+    _alternative \
+      'packages:package:compadd -a - packages' \
+      'files:package file:_files -g "*.pc"' \
+      && ret=0
   ;;
 
   (variable)