*/env: Move man page coloring from zsh/env to shell/env.

[config/dotfiles.git] / shell / env

diff --git a/shell/env b/shell/env
index 45b98bcfcf6cd2a666a14c8de347d0faf8f8fd78..2a1fc192f83428e79b08b50e37aa5c3f8d26db11 100644 (file)
--- a/shell/env
+++ b/shell/env
@@ -1,6 +1,6 @@
 # Configuration file for environment related options for all shells.
 
-# Copyright (C) 2011-2012  Simon Ruderich
+# Copyright (C) 2011-2013  Simon Ruderich
 #
 # This file is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -20,10 +20,15 @@ source_debug ". ~/.shell/env"
 
 
 # Use UTF-8 encoding in the terminal. Don't use LC_ALL as it's used for
-# debugging purposes. Thanks to twb in Freenode/#screen (2009-10-02 10:25).
+# debugging purposes. Thanks to twb in #screen on Freenode (2009-10-02 10:25
+# CET).
 LANG=en_US.UTF-8
 export LANG
 
+# Make sure $LANGUAGE is not set. It's a GNU extension which can overwrite
+# variables like $LANG or $LC_ALL.
+unset LANGUAGE
+
 # Add ~/bin and ~/.bin and ~/.shell/bin to PATH if available.
 if test -d "$HOME/.shell/bin"; then
     PATH="$HOME/.shell/bin:$PATH"
@@ -39,10 +44,28 @@ fi
 EDITOR=vim
 export EDITOR
 
-# Set less as pager, its configuration is done through the .less file.
+# Set less as pager, its configuration is done through the ~/.less file.
 PAGER=less
 export PAGER
 
+escape=`printf '\033'`
+# Color man pages viewed with less, thanks to [1].
+#
+# [1]: http://nion.modprobe.de/blog/archives/572-less-colors-for-man-pages.html
+#
+# Color bold strings in bold blue.
+LESS_TERMCAP_md="${escape}[01;34m"
+LESS_TERMCAP_me="${escape}[0m"
+export LESS_TERMCAP_md LESS_TERMCAP_me
+# Color underlined strings in bold yellow and underlined.
+LESS_TERMCAP_us="${escape}[01;4;33m"
+LESS_TERMCAP_ue="${escape}[0m"
+export LESS_TERMCAP_us LESS_TERMCAP_ue
+# Color standout mode in bold black with yellow background.
+LESS_TERMCAP_so="${escape}[01;30;43m"
+LESS_TERMCAP_se="${escape}[0m"
+export LESS_TERMCAP_so LESS_TERMCAP_se
+
 # Use ~/.tmp as directory for temporary files if available to reduce security
 # problems on multi-user systems.
 if test -O "$HOME/.tmp" && test -d "$HOME/.tmp"; then
@@ -58,27 +81,15 @@ elif test -O "$HOME/tmp" && test -d "$HOME/tmp"; then
     export TMP TEMP TMPDIR
 fi
 
-# Change rlwrap's home directory to prevent cluttering ~.
+# Change rlwrap's home directory to prevent cluttering ~/.
 RLWRAP_HOME="$HOME/.shell/rlwrap"
 export RLWRAP_HOME
 
-# Set colors for GNU ls (and zsh completions).
-# See `dircolors --print-database` for possible colors.
-LS_COLORS='no=00'
-LS_COLORS=$LS_COLORS':fi=00'       # normal files: normal
-LS_COLORS=$LS_COLORS':di=34;01'    # directories: blue bold
-LS_COLORS=$LS_COLORS':ln=36'       # symbolic links: cyan
-LS_COLORS=$LS_COLORS':pi=00'       # named pipes: normal
-LS_COLORS=$LS_COLORS':so=00'       # sockets: normal
-LS_COLORS=$LS_COLORS':bd=00'       # block devices: normal
-LS_COLORS=$LS_COLORS':cd=00'       # character devices: normal
-LS_COLORS=$LS_COLORS':or=36;41'    # orphaned links: red background
-LS_COLORS=$LS_COLORS':su=31;01;43' # setuid files: yellow background
-LS_COLORS=$LS_COLORS':sg=31;01;43' # setgid files: yellow background
-LS_COLORS=$LS_COLORS':ow=34;01;41' # directories writable by others: blue background
-LS_COLORS=$LS_COLORS':ex=31;01'    # executables: bold red
-export LS_COLORS
-# Set the same colors for non GNU ls, except for orphaned links which aren't
+# Set colors for GNU ls (and Zsh completions).
+if test -f "$HOME/.shell/dircolors"; then
+    . "$HOME/.shell/dircolors"
+fi
+# Set the same colors for non GNU ls, except for special cases which aren't
 # supported.
 LSCOLORS='ExgxxxxxBxxxxxBdBdExEb'
 #         ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^