Salt
7b6710824f
TODO: Make that more robust. One can make a shell restricted in more ways than just calling via rbash
141 lines
4.0 KiB
Bash
Executable File
141 lines
4.0 KiB
Bash
Executable File
#!/bin/sh
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# Copyright (c) 2017 rehashedsalt/vintagesalt
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in all
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# copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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# POSIX NOTICE
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# This script should be fully POSIX-compliant
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# If it is not, open a bug report at gitlab.com/rehashedsalt/home and I'll take
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# care of it
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# Environment variables
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# Use Vim if we have it
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if `which vim > /dev/null 2>&1`; then
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export EDITOR="vim"
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else
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export EDITOR="vi"
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fi
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export PATH=$PATH:$HOME/.local/bin
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# If emerge exists, add emerge aliases
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if `which emerge > /dev/null 2>&1` ; then
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alias e-depclean='sudo emerge -a --depclean'
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alias e-inst='sudo emerge -a --jobs --tree --quiet-build y'
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alias e-upgrade='sudo emerge -DNUua --jobs --tree --quiet-build y --with-bdeps=y --keep-going --backtrack=1000 @world'
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alias e-newuse='sudo emerge -Uva --jobs --tree --quiet-build y @world'
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alias e-search='emerge -s'
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alias e-sync='sudo emerge --sync'
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if `which eclean > /dev/null 2>&1`; then
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alias e-cleanup='sudo eclean -d distfiles && sudo eclean -d packages'
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fi
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fi
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# Alias for the dotfile setup
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if [ -d "$HOME/.dotfiles" ]; then
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dotcmd='git --git-dir=$HOME/.dotfiles/ --work-tree=$HOME'
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alias dot="$dotcmd"
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alias dotupdate="\
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printf 'Pulling...\n'; \
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$dotcmd pull
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printf 'Updating submodules...\n'; \
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$dotcmd submodule update --init; \
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printf 'Checking out masters...\n'; \
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$dotcmd submodule -q foreach --recursive 'git checkout -q master && git pull' && \
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$dotcmd status"
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fi
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# Aliases for common utilities
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if [ "`uname`" = "Linux" ]; then
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# Assume we have GNU coreutils
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lsarguments='--color=auto --group-directories-first'
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alias l="ls -CF --file-type $lsarguments"
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alias la="ls -AF --file-type $lsarguments"
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alias ls="ls -F $lsarguments"
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alias ll="ls -AhlF --file-type $lsarguments"
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unset lsarguments
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alias rm='rm -I'
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else
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# Else only assume POSIX/BSD
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lsarguments='-F'
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alias l="ls -$lsarguments"
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alias la="ls -A $lsarguments"
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alias ls="ls $lsarguments"
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alias ll="ls -Ahl $lsarguments"
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fi
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alias cp='cp -i'
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# Miscellaneous aliases
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alias todo='$EDITOR "$HOME/Documents/todo"'
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alias waitwhat='echo $?'
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# Set up a default PS1
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# This *should* work for all terminals. I know it works on ksh
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_ps1() {
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exitcode="$?"
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r="\e[0m"
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fg_blue="\e[34m"
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fg_cyan="\e[36m"
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fg_red="\e[31m"
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fg_green="\e[32m"
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fg_yellow="\e[33m"
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fg_grey="\e[37m"
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fg_bold="\e[1m"
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# Add hostname prefix in SSH sessions
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if [ "$SSH_CLIENT" ]; then
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prefix="${fg_bold}${fg_red}`hostname`${r}${fg_red}:"
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fi
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# Append a "restricted" prefix in rbash
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if [ "$0" == "rbash" ]; then
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prefix="${fg_bold}${fg_grey}rbash${r}:"
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fi
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# Change PWD color depending on the shell
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case $0 in
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*bash)
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prefix="${prefix}${fg_yellow}"
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;;
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ksh)
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prefix="${prefix}${fg_green}"
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;;
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sh)
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prefix="${prefix}${fg_grey}"
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;;
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*)
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;;
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esac
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# Show the tilde instead of $HOME
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cpwd="${PWD/#$HOME/\~}"
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# Alert us if the last command failed
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fail=""
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if ! [ "$exitcode" = "0" ]; then
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fail="${fg_bold}${fg_red}?"
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fi
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printf "(${prefix}${cpwd}${r})${fail}${r}${fg_green}\$${r} "
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}
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if ! [ "$ZSH_NAME" ]; then
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# I've got a different ZSH theme
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export PS1='`_ps1`'
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fi
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