X-Git-Url: https://ruderich.org/simon/gitweb/?p=config%2Fdotfiles.git;a=blobdiff_plain;f=shell%2Fsetup.sh;fp=shell%2Fsetup.sh;h=eec1ded59a0911614c2f0586df54fa3b086c088c;hp=0000000000000000000000000000000000000000;hb=29fe133e2b4ca2a25342fa9a4c3e661bc38895f2;hpb=3e17e82d591782b4750382b00c5bf6ee96eddedf diff --git a/shell/setup.sh b/shell/setup.sh new file mode 100755 index 0000000..eec1ded --- /dev/null +++ b/shell/setup.sh @@ -0,0 +1,291 @@ +#!/bin/sh + +# Setup script for shell configuration files. + +# Copyright (C) 2011-2014 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 -eu + +. ../lib.sh + + +# Helper functions. +terminal_info() { + infocmp "$@" 2>&1 +} +terminal_available() { + terminal_info "$@" > /dev/null +} +# Usage: +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" "$1" + fi +} +# Check if `infocmp` is available. +if ! infocmp >/dev/null 2>&1; then + echo 'Warning: `infocmp` not available! 256color checks will fail.' + echo +fi + + +# DIRECTORY SETUP + +# Create private temporary directory used by many tools (including GNU screen +# and tmux). +mkdir -p ~/.tmp +chmod 0700 ~/.tmp + +# Create rlwrap history directory. +mkdir -p shell/rlwrap +# Create zsh cache directory. +mkdir -p zsh/cache + + +# FILE SETUP + +# Generate ~/.less with lesskey. Prevent cluttering ~/ by storing the history +# file in this directory; this requires replacing the constant HISTORY_PATH in +# lesskey. +echo 'lesskey: generating .lesskey' +simple_cpp shell/dircolors + dircolors -b shell/dircolors.in >>shell/dircolors +fi + +# Find the required options to get colored ls output. GNU ls is preferred. See +# shell/aliases.in for details. Doing this here instead of in shell/aliases +# speeds up shell starts. +# +# GNU ls with colors available. +if ls --color >/dev/null 2>&1; then + ls_args='command ls --color' +# Normal (BSD) ls with colors available. +elif ls -G >/dev/null 2>&1; then + # Don't display hidden files by default when running as root (-I), I use + # `la` for that. + ls_args='CLICOLOR_FORCE=1 command ls -G -I' +# OpenBSD has no colored ls, use colorls instead. +elif colorls -G >/dev/null 2>&1; then + ls_args='CLICOLOR_FORCE=1 colorls -G' +# Simple ls with no colors. +else + ls_args='command ls' +fi + +# Also check if `column -t` is available. +if echo test | column -t >/dev/null 2>&1; then + column=' | column -t' +else + column= +fi + +generate shell/aliases .in simple_cpp \ + LS_ARGS COLUMN -- \ + "$ls_args" "$column" + +# If `tig` is not available use my simple replacement. +if ! installed tig; then + echo "alias tig='git tig'" >>shell/aliases +fi + +# Check if grep supports --color=auto. +if echo test | grep --color=auto test >/dev/null 2>&1; then + : +else + echo 'shell/aliases: removing grep --color=auto' + sed_i '/^alias grep=/ s/^/#/' shell/aliases +fi + +generate screenrc .in cat +# As screen-256color is not widely supported use it only on machines where the +# matching terminfo entry is available. This also requires a terminal emulator +# which supports 256 colors. Also used for tmux. +use_256colors= +if terminal_available screen-256color; then + # GNU/Linux's virtual terminal doesn't support 256 colors. If setup.sh is + # run one one, assume this user is mostly used from the terminal. + if test x"$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:+set}"; 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 "$battery" +# Display current temperature. Necessary lines are marked as "(TEMPERATURE)". +# Also used for Tmux. +temperature=/sys/devices/platform/coretemp.0 +if ! test -d "$temperature"; then + temperature= +fi +apply_optional_replacement screenrc \ + temperature TEMPERATURE "$temperature" + + +if installed tmux; then + generate tmux.conf .in cat + + apply_optional_replacement tmux.conf \ + battery BATTERY "$battery" + apply_optional_replacement tmux.conf \ + temperature TEMPERATURE "$temperature" + + # Old Tmux versions can't handle that. + generate tmux.conf '' ./bin/remove-continuation.pl + + # Add mappings to switch to windows 10-29 quickly. See tmux-window.pl for + # details. + perl ./tmux-window.pl 1 "`pwd`/tmux-window2.conf" >tmux-window1.conf + perl ./tmux-window.pl 2 >tmux-window2.conf + # Set absolute path to tmux-window1.conf in tmux.conf. + generate tmux.conf '' simple_cpp \ + TMUX_WINDOW_PATH -- "`pwd`/tmux-window1.conf" + + # 256 colors not available. + if test -z "$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 + +if installed dig; then + # dig doesn't support any comments in digrc. + grep -v -E '^#' digrc.in >digrc +fi + + +# 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 + +if installed tmux; then + link terminfo ~/.terminfo +fi + +# 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 +if installed ghci; then + link haskeline ~/.haskeline +fi +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 + mkdir -p ~/.ssh/master + link ssh_config ~/.ssh/config +fi +if installed dig; then + link digrc ~/.digrc +fi