#!/bin/sh
# Setup script for shell configuration files.
# Copyright (C) 2011-2012 Simon Ruderich
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see .
set -e
. ../lib.sh
# Helper functions.
terminal_info() {
infocmp "$@" 2>&1
}
terminal_available() {
terminal_info "$@" > /dev/null
}
# Usage:
apply_optional_replacement() {
if test -n "$4"; then
echo "$1: using $2 $4"
generate "$1" '' simple_cpp \
"$3" -- "$4"
else
echo "$1: removing $2 display"
grep_i -v "$3" "$1"
fi
}
# Check if `infocmp` is available.
if ! infocmp >/dev/null 2>&1; then
echo 'Warning: `infocmp` not available! 256color checks will fail.'
echo
fi
# DIRECTORY SETUP
# Create private temporary directory used by many tools (including GNU screen
# and tmux).
mkdir -p ~/.tmp
chmod 0700 ~/.tmp
# Create rlwrap history directory.
mkdir -p shell/rlwrap
# Create zsh cache directory.
mkdir -p zsh/cache
# FILE SETUP
# Generate ~/.less with lesskey. Prevent cluttering ~/ by storing the history
# file in this directory; this requires replacing the constant HISTORY_PATH in
# lesskey.
echo 'lesskey: generating .lesskey'
simple_cpp shell/dircolors
dircolors -b shell/dircolors.in >>shell/dircolors
fi
# Find the required options to get colored ls output. GNU ls is preferred. See
# shell/aliases.in for details. Doing this here instead of in shell/aliases
# speeds up shell starts.
#
# Check if colors are available.
if ls --color >/dev/null 2>&1; then
ls_color=gnu
else
if ls -G >/dev/null 2>&1; then
ls_color=cli
else
ls_color=
fi
fi
# Absolute path to `ls`.
ls_path=`installed_path ls`
# GNU ls with colors.
if test "x$ls_color" = xgnu; then
ls_env=
ls_color='--color'
# Normal (BSD) ls with colors.
elif test "x$ls_color" = xcli; then
ls_env='CLICOLOR_FORCE=1'
ls_color='-G'
# Simple ls with no colors.
else
ls_env=
ls_color=
fi
# Also check if `column -t` is available.
if echo test | column -t >/dev/null 2>&1; then
column=' | column -t'
else
column=
fi
generate shell/aliases .in simple_cpp \
LS_ENV LS_PATH LS_COLOR COLUMN -- \
"$ls_env" "$ls_path" "$ls_color" "$column"
# If `tig` is not available use my simple replacement.
if ! installed tig; then
echo "alias tig='git tig'" >>shell/aliases
fi
# Check if grep supports --color=auto.
if echo test | grep --color=auto test >/dev/null 2>&1; then
:
else
echo 'shell/aliases: removing grep --color=auto'
sed_i '/^alias grep=/ s/^/#/' shell/aliases
fi
generate screenrc .in cat
# As screen-256color is not widely supported use it only on machines where the
# matching terminfo entry is available. This also requires a terminal emulator
# which supports 256 colors. Also used for tmux.
use_256colors=
if terminal_available screen-256color; then
# Called through SSH connection, assume the local system supports 256
# colors.
if test -n "$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"
done
apply_optional_replacement screenrc \
battery BATTERY "$battery"
if installed tmux; then
generate tmux.conf .in cat
apply_optional_replacement tmux.conf \
battery BATTERY "$battery"
# Old Tmux versions can't handle that.
generate tmux.conf '' ./bin/remove-continuation.pl
# Add mappings to switch to windows 10-29 quickly. See tmux-window.pl for
# details.
perl ./tmux-window.pl 1 "`pwd`/tmux-window2.conf" >tmux-window1.conf
perl ./tmux-window.pl 2 >tmux-window2.conf
# Set absolute path to tmux-window1.conf in tmux.conf.
generate tmux.conf '' simple_cpp \
TMUX_WINDOW_PATH -- "`pwd`/tmux-window1.conf"
# 256 colors not available.
if test -z "$use_256colors"; then
echo 'tmux.conf: removing 256 colors'
sed_i 's/Enable 256 color/Disable 256 color/;
s/screen-256color/screen/' tmux.conf
fi
# Tmux doesn't display a warning if the shell wasn't found!
if test ! -x '/bin/zsh'; then
echo 'tmux.conf: removing /bin/zsh as shell'
sed_i 's/zsh/sh/' tmux.conf
fi
fi
# Htop overwrites the comments in its configuration file.
generate htoprc .in cat
# LINK SETUP
# Link setup for shells.
link shell ~/.shell
link bash ~/.bash
link bash/rc ~/.bashrc
link bash/profile ~/.bash_profile
link bash/logout ~/.bash_logout
if installed csh; then
link csh/rc ~/.cshrc
fi
link zsh ~/.zsh
link zsh/env ~/.zshenv
link zsh/rc ~/.zshrc
link zsh/logout ~/.zlogout
# Link setup for additional files.
if installed crontab; then
link crontab.d ~/.crontab.d
fi
link lessfilter ~/.lessfilter
if installed colordiff; then
link colordiffrc ~/.colordiffrc
fi
link inputrc ~/.inputrc
link screenrc ~/.screenrc
if installed tmux; then
link tmux.conf ~/.tmux.conf
fi
if installed htop; then
link htoprc ~/.htoprc
# New location for htoprc. Use both for compatibility.
mkdir -p ~/.config/htop
link htoprc ~/.config/htop/htoprc
fi
if test -d ~/.ssh && test -O ~/.ssh; then
link ssh_config ~/.ssh/config
fi