-
-# Helper functions.
-terminal_info() {
- infocmp "$@" 2>&1
-}
-terminal_available() {
- terminal_info "$@" > /dev/null
-}
-# Usage: <file> <name> <grep-string> <value>
-apply_optional_replacement() {
- if test -n "$4"; then
- printf '%s: using %s %s\n' "$1" "$2" "$4"
- generate "$1" '' simple_cpp \
- "$3" -- "$4"
- else
- printf '%s: removing %s display\n' "$1" "$2"
- grep_i -v "$3" "$1"
- fi
-}
-# Check if `infocmp` is available.
-if ! infocmp >/dev/null 2>&1; then
- echo 'Warning: `infocmp` not available! 256color checks will fail.'
- echo
-fi
-
-
-# DIRECTORY SETUP
-
-# Create private temporary directory used by many tools (including GNU screen
-# and tmux).
-mkdir -p ~/.tmp
-chmod 0700 ~/.tmp
-
-# Create rlwrap history directory.
-mkdir -p shell/rlwrap
-# Create zsh cache directory.
-mkdir -p zsh/cache
-
-
-# FILE SETUP
-
-# Generate ~/.less with lesskey. Prevent cluttering ~/ by storing the history
-# file in this directory; this requires replacing the constant HISTORY_PATH in
-# lesskey.
-echo 'lesskey: generating .lesskey'
-simple_cpp <lesskey \
- HISTORY_PATH -- "`pwd`/lesshistory" \
- | lesskey -
-chmod 0600 ~/.less
-
-# Custom colors for GNU ls.
-if installed dircolors; then
- echo '# WARNING! DO NOT EDIT THIS FILE!' >shell/dircolors
- dircolors -b shell/dircolors.in >>shell/dircolors
-fi
-
-# Find the required options to get colored ls output. GNU ls is preferred. See
-# shell/aliases.in for details. Doing this here instead of in shell/aliases
-# speeds up shell starts.
-#
-# GNU ls with colors available.
-if ls --color >/dev/null 2>&1; then
- ls_env=
- ls_color='--color'
-# Normal (BSD) ls with colors available.
-elif ls -G >/dev/null 2>&1; then
- ls_env='CLICOLOR_FORCE=1'
- ls_color='-G'
-# Simple ls with no colors.
-else
- ls_env=
- ls_color=
-fi
-
-# Also check if `column -t` is available.
-if echo test | column -t >/dev/null 2>&1; then
- column=' | column -t'
-else
- column=
-fi
-
-generate shell/aliases .in simple_cpp \
- LS_ENV LS_COLOR COLUMN -- \
- "$ls_env" "$ls_color" "$column"
-
-# If `tig` is not available use my simple replacement.
-if ! installed tig; then
- echo "alias tig='git tig'" >>shell/aliases
-fi
-
-# Check if grep supports --color=auto.
-if echo test | grep --color=auto test >/dev/null 2>&1; then
- :
-else
- echo 'shell/aliases: removing grep --color=auto'
- sed_i '/^alias grep=/ s/^/#/' shell/aliases
-fi
-
-generate screenrc .in cat
-# As screen-256color is not widely supported use it only on machines where the
-# matching terminfo entry is available. This also requires a terminal emulator
-# which supports 256 colors. Also used for tmux.
-use_256colors=
-if terminal_available screen-256color; then
- # GNU/Linux's virtual terminal doesn't support 256 colors. If setup.sh is
- # run one one, assume this user is mostly used from the terminal.
- if test x"$TERM" = xlinux || test x"$TERM" = xscreen.linux; then
- echo 'screenrc: running on virtual terminal, disabling 256 colors'
- # Called through SSH connection, assume the local system supports 256
- # colors.
- elif test -n "$SSH_CONNECTION"; then
- use_256colors=1
- # We have rxvt-unicode installed, check if it supports 256 colors.
- elif installed urxvt; then
- # Thanks to deryni in #rxvt-unicode on Freenode (2012-10-14 22:54
- # CEST) for the strings/grep idea. The grep check is for "correct" 256
- # rxvt-unicode binaries (e.g. Debian's rxvt-unicode-256color), the
- # terminal_info check for manual installations which modify
- # rxvt-unicode's terminfo entry.
- urxvt_path=`installed_path urxvt`
- urxvt_grep=`strings "$urxvt_path" | grep '^TERM=rxvt-'`
- if test x"$urxvt_grep" = 'xTERM=rxvt-unicode-256color' \
- || terminal_info rxvt-unicode \
- | grep -F 'colors#256' >/dev/null; then
- use_256colors=1
- fi
- # Check if XTerm supports 256 colors (not a perfect check, but most XTerm
- # support 256 colors).
- elif terminal_available xterm-256color; then
- use_256colors=1
- fi
-fi
-if test -z "$use_256colors"; then
- echo 'screenrc: removing 256 colors'
- sed_i 's/Enable 256 color/Disable 256 color/;
- s/screen-256color/screen/' screenrc
-fi
-# Some options are only necessary when running as root. They are marked as
-# "(ROOT)".
-if test "`id -u`" -ne 0; then
- echo 'screenrc: removing root options'
- grep_i -v '(ROOT)' screenrc
-fi
-# I use some features of GNU screen which are only in Git or very recent GNU
-# screen versions. Drop them on machines which have older versions. They are
-# marked as "(GIT)".
-if test ! -d "$HOME/development/shell/screen"; then
- echo 'screenrc: removing Git features'
- grep_i -v '(GIT)' screenrc
-fi
-# Rxvt doesn't need the attrcolor "fix". As I prefer rxvt assume I use it when
-# it's installed.
-if installed rxvt; then
- echo 'screenrc: removing attrcolor "fix"'
- sed_i 's/attrcolor b ".I"/#attrcolor b ".I"/' screenrc
-fi
-# Display current battery charge on computers with a battery. Necessary lines
-# are marked as "(BATTERY)". Also used for Tmux.
-battery=
-for x in /sys/class/power_supply/BAT*; do
- test -d "$x" || continue
- battery="$x"