# Configuration file for environment related options for all shells.
-# Use UTF-8 encoding in the terminal.
-export LC_ALL=en_US.UTF-8
+# Helper function to print debug information if $DEBUG is not empty.
+#
+# Doesn't fit perfectly in this file, but this is the best place to make it
+# available everywhere.
+source_debug() {
+ if [ x$DEBUG != x ]; then
+ echo $@
+ fi
+}
+
+
+source_debug "sourcing ~/.shell/env"
+
+
+# Use UTF-8 encoding in the terminal. Don't use LC_ALL as it's used for
+# debugging purposes. Thanks to twb in Freenode/#screen (2009-10-02 10:25).
+LANG=en_US.UTF-8
+export LANG
+
+# Add ~/bin and ~/.bin to PATH if available.
+if [ -d ~/bin ]; then
+ PATH=~/bin:$PATH
+fi
+if [ -d ~/.bin ]; then
+ PATH=~/.bin:$PATH
+fi
# Use Vim as editor.
-export EDITOR=vim
+EDITOR=vim
+export EDITOR
# Set less as pager, its configuration is done through the .less file.
-export PAGER=less
+PAGER=less
+export PAGER
+
+# Use ~/tmp as directory for temporary files if available to reduce security
+# problems on multi-user systems.
+if [ -O ~/tmp -a -d ~/tmp ]; then
+ TMP=~/tmp
+ TEMP=$TMP
+ TMPDIR=$TMP
+ export TMP TEMP TMPDIR
+fi
+
+# Set colors for GNU ls (and zsh completions).
+# See `dircolors --print-database` for possible colors.
+LS_COLORS='no=00'
+LS_COLORS=$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
+# supported.
+LSCOLORS='ExgxxxxxBxxxxxBdBdExEb'
+# ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^
+# | | | | | | | | | | |
+# | | | | | | | | | | *- directory writable to others, without sticky bit
+# | | | | | | | | | *--- directory writable to others, with sticky bit
+# | | | | | | | | *----- executable with setgid bit set
+# | | | | | | | *------- executable with setuid bit set
+# | | | | | | *--------- character special
+# | | | | | *----------- block special
+# | | | | *------------- executable
+# | | | *--------------- pipe
+# | | *----------------- socket
+# | *------------------- symbolic link
+# *--------------------- directory
+export LSCOLORS
+
+
+# Sources a configuration file if it exists; loads a fallback .local file if
+# it doesn't. If the .local files doesn't exist nothing is sourced.
+#
+# $1: Path to directory where configuration files are located.
+# $2: Directory name in $1 where the non .local files are stored, can be
+# empty. If empty both configuration files (normal and .local) are stored
+# in $1.
+# $3: Base name of file in $2, for example "rc" or "env".
+# $4: Extension for $3, if this file doesn't exist "$1/$3.local" is sourced.
+# Can be empty, then no extension is used.
+# $5: Additional options, set to nolocal to prevent loading of "$1/$3.local"
+# if "$1/$2/$3.$4" doesn't exist.
+#
+# Example with the following directory/file structure, $os is Darwin and
+# $hostname is marvin.
+#
+# ~/.zsh
+# ~/.zsh/env
+# ~/.zsh/env.local
+# ~/.zsh/rc
+# ~/.zsh/rc.local
+# ~/.zsh/host/rc.marvin
+# ~/.zsh/os/rc.Darwin
+#
+# To load additional rc files from within ~/.zsh/rc use the following:
+#
+# source_config ~/.zsh os rc $os # loads os/rc.Darwin
+# source_config ~/.zsh host rc $hostname # loads host/rc.marvin
+#
+# To load additional env files from within ~/.zsh/env use the following (note
+# nolocal to prevent loading env.local two times if os and host files don't
+# exist):
+#
+# source_config zsh os env $os nolocal # loads os/rc.Darwin
+# source_config zsh host env $hostname # loads env.local
+#
+# By letting $4 empty normal configuration files can be sourced. A .local can
+# still be used.
+#
+# source_config zsh "" file # loads zsh/file if it exists
+#
+# Doesn't fit perfectly in this file, but this is the best place to make it
+# available everywhere.
+#
+# If DEBUG is set to a non empty value additional debug output is printed.
+source_config() {
+ # Path to the file to source and its local counterpart.
+ if [ x$4 != x ]; then
+ source_file=$1/$2/$3.$4
+ # If $4 is empty don't append a trailing dot. This allows source_config()
+ # to load normal configuration files.
+ else
+ source_file=$1/$2/$3
+ fi
+ source_file_local=$1/$3.local
+
+ # Additional debug output.
+ source_debug "source_config(): checking if $source_file exists"
+ source_debug "source_config(): checking if $source_file_local exists"
+
+ # If the file does exist then source it.
+ if [ -f $source_file ]; then
+ source_debug "source_config(): -> sourcing $source_file"
+ . $source_file
+
+ # Otherwise load the .local file if it exists and .local files are
+ # allowed.
+ elif [ -f $source_file_local -a x$5 != xnolocal ]; then
+ source_debug "source_config(): -> sourcing $source_file_local"
+ . $source_file_local
+ else
+ source_debug "source_config(): -> neither exists"
+ fi
+
+ unset source_file source_file_local
+}
+
+source_debug "finished sourcing ~/.shell/env"
+
+# vim: ft=sh