* Move the info wrapper into a module.

svn path=/nixos/branches/modular-nixos/; revision=15792

helpers/info-wrapper.nix

@@ -1,29 +0,0 @@
-# Quick hack to make the `info' command work properly.  `info' needs a
-# "dir" file containing all the installed Info files, which we don't
-# have (it would be impure to have a package installation update some
-# global "dir" file).  So this wrapper script around "info" builds a
-# temporary "dir" file on the fly.  This is a bit slow (on a cold
-# cache) but not unacceptably so.
-
-{bash, texinfo, writeScriptBin}:
-
-writeScriptBin "info"
-  ''
-    #! ${bash}/bin/sh
-  
-    dir=$(mktemp --tmpdir -d "info.dir.XXXXXX")
-
-    if test -z "$dir"; then exit 1; fi
-
-    trap 'rm -rf "$dir"' EXIT
-
-    shopt -s nullglob
-
-    for i in $(IFS=:; echo $INFOPATH); do
-        for j in $i/*.info; do
-            ${texinfo}/bin/install-info --quiet $j $dir/dir
-        done
-    done
-
-    INFOPATH=$dir:$INFOPATH ${texinfo}/bin/info "$@"
-  ''

modules/config/system-path.nix

@@ -57,7 +57,6 @@ let
       pkgs.usbutils
       pkgs.utillinux
       pkgs.wirelesstools
-      (import ../../helpers/info-wrapper.nix {inherit (pkgs) bash texinfo writeScriptBin;})
     ] ++ config.environment.extraPackages;
 
       

modules/module-list.nix

@@ -15,6 +15,7 @@
   ./legacy.nix
   ./misc/assertions.nix
   ./programs/bash/bash.nix
+  ./programs/info.nix
   ./programs/pwdutils/pwdutils.nix
   ./programs/ssh.nix
   ./programs/ssmtp.nix

modules/programs/info.nix

@@ -0,0 +1,36 @@
+{config, pkgs, ...}:
+
+let
+
+  # Quick hack to make the `info' command work properly.  `info' needs
+  # a "dir" file containing all the installed Info files, which we
+  # don't have (it would be impure to have a package installation
+  # update some global "dir" file).  So this wrapper script around
+  # "info" builds a temporary "dir" file on the fly.  This is a bit
+  # slow (on a cold cache) but not unacceptably so.
+  infoWrapper = pkgs.writeScriptBin "info"
+    ''
+      #! ${pkgs.stdenv.shell}
+
+      dir=$(mktemp --tmpdir -d "info.dir.XXXXXX")
+
+      if test -z "$dir"; then exit 1; fi
+
+      trap 'rm -rf "$dir"' EXIT
+
+      shopt -s nullglob
+
+      for i in $(IFS=:; echo $INFOPATH); do
+          for j in $i/*.info; do
+              ${pkgs.texinfo}/bin/install-info --quiet $j $dir/dir
+          done
+      done
+
+      INFOPATH=$dir:$INFOPATH ${pkgs.texinfo}/bin/info "$@"
+    ''; # */
+
+in 
+
+{
+  environment.systemPackages = [infoWrapper];
+}