added script for post-lfs bash setup
This commit is contained in:
tux
parent
4d28b0a4f3
commit
57b1490701
421
bash-setup.sh
Normal file
421
bash-setup.sh
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@ -0,0 +1,421 @@
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#!/bin/bash
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source vars.sh
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mkdir /etc/skel
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echo "Setting up a base /etc/profile"
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cat > /etc/profile << "EOF"
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# Begin /etc/profile
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# Written for Beyond Linux From Scratch
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# by James Robertson <jameswrobertson@earthlink.net>
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# modifications by Dagmar d'Surreal <rivyqntzne@pbzpnfg.arg>
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# System wide environment variables and startup programs.
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# System wide aliases and functions should go in /etc/bashrc. Personal
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# environment variables and startup programs should go into
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# ~/.bash_profile. Personal aliases and functions should go into
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# ~/.bashrc.
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# Functions to help us manage paths. Second argument is the name of the
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# path variable to be modified (default: PATH)
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pathremove () {
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local IFS=':'
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local NEWPATH
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local DIR
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local PATHVARIABLE=${2:-PATH}
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for DIR in ${!PATHVARIABLE} ; do
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if [ "$DIR" != "$1" ] ; then
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NEWPATH=${NEWPATH:+$NEWPATH:}$DIR
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fi
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done
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export $PATHVARIABLE="$NEWPATH"
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}
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pathprepend () {
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pathremove $1 $2
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local PATHVARIABLE=${2:-PATH}
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export $PATHVARIABLE="$1${!PATHVARIABLE:+:${!PATHVARIABLE}}"
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}
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pathappend () {
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pathremove $1 $2
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local PATHVARIABLE=${2:-PATH}
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export $PATHVARIABLE="${!PATHVARIABLE:+${!PATHVARIABLE}:}$1"
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}
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export -f pathremove pathprepend pathappend
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# Set the initial path
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export PATH=/usr/bin
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# Attempt to provide backward compatibility with LFS earlier than 11
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if [ ! -L /bin ]; then
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pathappend /bin
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fi
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if [ $EUID -eq 0 ] ; then
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pathappend /usr/sbin
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if [ ! -L /sbin ]; then
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pathappend /sbin
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fi
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unset HISTFILE
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fi
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# Set up some environment variables.
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export HISTSIZE=1000
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export HISTIGNORE="&:[bf]g:exit"
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# Set some defaults for graphical systems
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export XDG_DATA_DIRS=${XDG_DATA_DIRS:-/usr/share/}
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export XDG_CONFIG_DIRS=${XDG_CONFIG_DIRS:-/etc/xdg/}
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export XDG_RUNTIME_DIR=${XDG_RUNTIME_DIR:-/tmp/xdg-$USER}
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# Set up a red prompt for root and a green one for users.
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NORMAL="\[\e[0m\]"
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RED="\[\e[1;31m\]"
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GREEN="\[\e[1;32m\]"
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if [[ $EUID == 0 ]] ; then
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PS1="$RED\u [ $NORMAL\w$RED ]# $NORMAL"
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else
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PS1="$GREEN\u [ $NORMAL\w$GREEN ]\$ $NORMAL"
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fi
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for script in /etc/profile.d/*.sh ; do
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if [ -r $script ] ; then
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. $script
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fi
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done
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unset script RED GREEN NORMAL
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# End /etc/profile
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EOF
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echo "Creating the /etc/profile.d directory for individual initialization scripts"
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install --directory --mode=0755 --owner=root --group=root /etc/profile.d
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echo "Installing /etc/profile.d/bash_completion.sh to allow TAB command line completion"
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cat > /etc/profile.d/bash_completion.sh << "EOF"
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# Begin /etc/profile.d/bash_completion.sh
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# Import bash completion scripts
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# If the bash-completion package is installed, use its configuration instead
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if [ -f /usr/share/bash-completion/bash_completion ]; then
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# Check for interactive bash and that we haven't already been sourced.
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if [ -n "${BASH_VERSION-}" -a -n "${PS1-}" -a -z "${BASH_COMPLETION_VERSINFO-}" ]; then
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# Check for recent enough version of bash.
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if [ ${BASH_VERSINFO[0]} -gt 4 ] || \
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[ ${BASH_VERSINFO[0]} -eq 4 -a ${BASH_VERSINFO[1]} -ge 1 ]; then
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[ -r "${XDG_CONFIG_HOME:-$HOME/.config}/bash_completion" ] && \
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. "${XDG_CONFIG_HOME:-$HOME/.config}/bash_completion"
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if shopt -q progcomp && [ -r /usr/share/bash-completion/bash_completion ]; then
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# Source completion code.
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. /usr/share/bash-completion/bash_completion
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fi
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fi
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fi
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else
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# bash-completions are not installed, use only bash completion directory
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if shopt -q progcomp; then
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for script in /etc/bash_completion.d/* ; do
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if [ -r $script ] ; then
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. $script
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fi
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done
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fi
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fi
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# End /etc/profile.d/bash_completion.sh
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EOF
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echo "Installing the required directory"
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install --directory --mode=0755 --owner=root --group=root /etc/bash_completion.d
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echo "Installing /etc/profile.d/dircolors.sh for files to control the colors of file names in a directory listing"
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cat > /etc/profile.d/dircolors.sh << "EOF"
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# Setup for /bin/ls and /bin/grep to support color, the alias is in /etc/bashrc.
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if [ -f "/etc/dircolors" ] ; then
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eval $(dircolors -b /etc/dircolors)
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fi
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if [ -f "$HOME/.dircolors" ] ; then
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eval $(dircolors -b $HOME/.dircolors)
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fi
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alias ls='ls --color=auto'
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alias grep='grep --color=auto'
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EOF
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echo "Installing /etc/profile.d/extrapaths.sh which adds some useful paths to the PATH and can be used to customize other PATH related environment variables"
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cat > /etc/profile.d/extrapaths.sh << "EOF"
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if [ -d /usr/local/lib/pkgconfig ] ; then
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pathappend /usr/local/lib/pkgconfig PKG_CONFIG_PATH
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fi
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if [ -d /usr/local/bin ]; then
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pathprepend /usr/local/bin
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fi
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if [ -d /usr/local/sbin -a $EUID -eq 0 ]; then
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pathprepend /usr/local/sbin
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fi
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if [ -d /usr/local/share ]; then
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pathprepend /usr/local/share XDG_DATA_DIRS
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fi
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# Set some defaults before other applications add to these paths.
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pathappend /usr/share/man MANPATH
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pathappend /usr/share/info INFOPATH
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EOF
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echo "Installing /etc/profile.d/readline.sh which allows users to define individual settings"
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cat > /etc/profile.d/readline.sh << "EOF"
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# Set up the INPUTRC environment variable.
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if [ -z "$INPUTRC" -a ! -f "$HOME/.inputrc" ] ; then
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INPUTRC=/etc/inputrc
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fi
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export INPUTRC
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EOF
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echo "Installing /etc/profile.d/umask.sh which turns off default group write permissions for system users and when the user name and group name are not the same"
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cat > /etc/profile.d/umask.sh << "EOF"
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# By default, the umask should be set.
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if [ "$(id -gn)" = "$(id -un)" -a $EUID -gt 99 ] ; then
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umask 002
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else
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umask 022
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fi
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EOF
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echo "Installing /etc/profile.d/i18n.sh which sets an environment variable necessary for native language support"
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cat > /etc/profile.d/i18n.sh << "EOF"
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# Set up i18n variables
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. /etc/locale.conf
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export LANG
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EOF
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echo "Installing a base /etc/bashrc"
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cat > /etc/bashrc << "EOF"
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# Begin /etc/bashrc
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# Written for Beyond Linux From Scratch
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# by James Robertson <jameswrobertson@earthlink.net>
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# updated by Bruce Dubbs <bdubbs@linuxfromscratch.org>
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# System wide aliases and functions.
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# System wide environment variables and startup programs should go into
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# /etc/profile. Personal environment variables and startup programs
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# should go into ~/.bash_profile. Personal aliases and functions should
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# go into ~/.bashrc
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# Provides colored /bin/ls and /bin/grep commands. Used in conjunction
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# with code in /etc/profile.
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alias ls='ls --color=auto'
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alias grep='grep --color=auto'
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# Provides prompt for non-login shells, specifically shells started
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# in the X environment. [Review the LFS archive thread titled
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# PS1 Environment Variable for a great case study behind this script
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# addendum.]
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NORMAL="\[\e[0m\]"
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RED="\[\e[1;31m\]"
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GREEN="\[\e[1;32m\]"
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if [[ $EUID == 0 ]] ; then
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PS1="$RED\u [ $NORMAL\w$RED ]# $NORMAL"
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else
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PS1="$GREEN\u [ $NORMAL\w$GREEN ]\$ $NORMAL"
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fi
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unset RED GREEN NORMAL
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# End /etc/bashrc
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EOF
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echo "Installing .bash_profile for the current user and as template for new users"
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cat > ~/.bash_profile << "EOF"
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# Begin ~/.bash_profile
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# Written for Beyond Linux From Scratch
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# by James Robertson <jameswrobertson@earthlink.net>
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# updated by Bruce Dubbs <bdubbs@linuxfromscratch.org>
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# Personal environment variables and startup programs.
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# Personal aliases and functions should go in ~/.bashrc. System wide
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# environment variables and startup programs are in /etc/profile.
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# System wide aliases and functions are in /etc/bashrc.
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if [ -f "$HOME/.bashrc" ] ; then
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source $HOME/.bashrc
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fi
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if [ -d "$HOME/bin" ] ; then
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pathprepend $HOME/bin
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fi
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# Having . in the PATH is dangerous
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#if [ $EUID -gt 99 ]; then
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# pathappend .
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#fi
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# End ~/.bash_profile
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EOF
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cat > /etc/skel/.bash_profile << "EOF"
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# Begin ~/.bash_profile
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# Written for Beyond Linux From Scratch
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# by James Robertson <jameswrobertson@earthlink.net>
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# updated by Bruce Dubbs <bdubbs@linuxfromscratch.org>
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# Personal environment variables and startup programs.
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# Personal aliases and functions should go in ~/.bashrc. System wide
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# environment variables and startup programs are in /etc/profile.
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# System wide aliases and functions are in /etc/bashrc.
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if [ -f "$HOME/.bashrc" ] ; then
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source $HOME/.bashrc
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fi
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if [ -d "$HOME/bin" ] ; then
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pathprepend $HOME/bin
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fi
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# Having . in the PATH is dangerous
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#if [ $EUID -gt 99 ]; then
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# pathappend .
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#fi
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# End ~/.bash_profile
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EOF
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echo "Installing .profile for the current user and as template for new users"
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cat > ~/.profile << "EOF"
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# Begin ~/.profile
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# Personal environment variables and startup programs.
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if [ -d "$HOME/bin" ] ; then
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pathprepend $HOME/bin
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fi
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# Set up user specific i18n variables
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#export LANG=<ll>_<CC>.<charmap><@modifiers>
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export LANG=LFS_LOCALE
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# End ~/.profile
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EOF
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sed -i s"/LFS_LOCALE/$LOCALE"/g ~/.profile
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cat > /etc/skel/.profile << "EOF"
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# Begin ~/.profile
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# Personal environment variables and startup programs.
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if [ -d "$HOME/bin" ] ; then
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pathprepend $HOME/bin
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fi
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# Set up user specific i18n variables
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#export LANG=<ll>_<CC>.<charmap><@modifiers>
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export LANG=LFS_LOCALE
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# End ~/.profile
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EOF
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sed -i s"/LFS_LOCALE/$LOCALE"/g /etc/skel/.profile
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echo "Installing .bashrc for the current user and as template for new users"
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cat > ~/.bashrc << "EOF"
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# Begin ~/.bashrc
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# Written for Beyond Linux From Scratch
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# by James Robertson <jameswrobertson@earthlink.net>
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# Personal aliases and functions.
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# Personal environment variables and startup programs should go in
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# ~/.bash_profile. System wide environment variables and startup
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# programs are in /etc/profile. System wide aliases and functions are
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# in /etc/bashrc.
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if [ -f "/etc/bashrc" ] ; then
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source /etc/bashrc
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fi
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# Set up user specific i18n variables
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#export LANG=<ll>_<CC>.<charmap><@modifiers>
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export LANG=LFS_LOCALE
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# End ~/.bashrc
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EOF
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sed -i s"/LFS_LOCALE/$LOCALE"/g ~/.bashrc
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cat > /etc/skel/.bashrc << "EOF"
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# Begin ~/.bashrc
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# Written for Beyond Linux From Scratch
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# by James Robertson <jameswrobertson@earthlink.net>
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# Personal aliases and functions.
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# Personal environment variables and startup programs should go in
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# ~/.bash_profile. System wide environment variables and startup
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# programs are in /etc/profile. System wide aliases and functions are
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# in /etc/bashrc.
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if [ -f "/etc/bashrc" ] ; then
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source /etc/bashrc
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fi
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# Set up user specific i18n variables
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#export LANG=<ll>_<CC>.<charmap><@modifiers>
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export LANG=LFS_LOCALE
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# End ~/.bashrc
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EOF
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sed -i s"/LFS_LOCALE/$LOCALE"/g /etc/skel/.bashrc
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echo "Installing .bash_logout for the current user and as template for new users"
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cat > ~/.bash_logout << "EOF"
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# Begin ~/.bash_logout
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# Written for Beyond Linux From Scratch
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# by James Robertson <jameswrobertson@earthlink.net>
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# Personal items to perform on logout.
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# End ~/.bash_logout
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EOF
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cat > /etc/skel/.bash_logout << "EOF"
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# Begin ~/.bash_logout
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# Written for Beyond Linux From Scratch
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# by James Robertson <jameswrobertson@earthlink.net>
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# Personal items to perform on logout.
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# End ~/.bash_logout
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EOF
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echo "Installing a configuration for the dircolors capability"
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dircolors -p > /etc/dircolors
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@ -1160,4 +1160,6 @@ cat > /etc/systemd/coredump.conf.d/maxuse.conf << EOF
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MaxUse=5G
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EOF
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echo "Optionally run bash-setup.sh to set up a basic configuration regarding the shell prompt and colors etc"
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echo "bash bash-setup.sh"
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echo "Continue with chapter 10.2. Creating the /etc/fstab File"
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