literate-dotfiles/dotfiles/bash.org

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2019-01-31 09:41:03 +01:00
#+TITLE: Bash Configuration
* Bashrc
:PROPERTIES:
:header-args:conf: :tangle ~/.bashrc
:header-args:conf+: :comments both :mkdirp yes
:END:
** TODO What does that do?
#+BEGIN_SRC conf
[[ $- != *i* ]] && return
#+END_SRC
** Bash Completion
#+BEGIN_SRC conf
[ -r /usr/share/bash-completion/bash_completion ] && . /usr/share/bash-completion/bash_completion
#+END_SRC
** Change the window title of X terminals
#+BEGIN_SRC conf
case ${TERM} in
xterm*|rxvt*|Eterm*|aterm|kterm|gnome*|interix|konsole*)
PROMPT_COMMAND='echo -ne "\033]0;${USER}@${HOSTNAME%%.*}:${PWD/#$HOME/\~}\007"'
;;
screen*)
PROMPT_COMMAND='echo -ne "\033_${USER}@${HOSTNAME%%.*}:${PWD/#$HOME/\~}\033\\"'
;;
esac
#+END_SRC
** Use Color
#+BEGIN_SRC conf
use_color=true
#+END_SRC
** TODO Set colorful PS1 only on colorful terminals.
dircolors --print-database uses its own built-in database instead of using /etc/DIR_COLORS. Try to use the external file first to take advantage of user additions. Use internal bash globbing instead of external grep binary.
#+BEGIN_SRC conf
safe_term=${TERM//[^[:alnum:]]/?} # sanitize TERM
match_lhs=""
[[ -f ~/.dir_colors ]] && match_lhs="${match_lhs}$(<~/.dir_colors)"
[[ -f /etc/DIR_COLORS ]] && match_lhs="${match_lhs}$(</etc/DIR_COLORS)"
[[ -z ${match_lhs} ]] \
&& type -P dircolors >/dev/null \
&& match_lhs=$(dircolors --print-database)
[[ $'\n'${match_lhs} == *$'\n'"TERM "${safe_term}* ]] && use_color=true
if ${use_color} ; then
# Enable colors for ls, etc. Prefer ~/.dir_colors #64489
if type -P dircolors >/dev/null ; then
if [[ -f ~/.dir_colors ]] ; then
eval $(dircolors -b ~/.dir_colors)
elif [[ -f /etc/DIR_COLORS ]] ; then
eval $(dircolors -b /etc/DIR_COLORS)
fi
fi
if [[ ${EUID} == 0 ]] ; then
PS1='\[\033[01;31m\][\h\[\033[01;36m\] \W\[\033[01;31m\]]\$\[\033[00m\] '
else
PS1='\[\033[01;32m\][\u@\h\[\033[01;37m\] \W\[\033[01;32m\]]\$\[\033[00m\] '
fi
alias ls='ls --color=auto'
alias grep='grep --colour=auto'
alias egrep='egrep --colour=auto'
alias fgrep='fgrep --colour=auto'
else
if [[ ${EUID} == 0 ]] ; then
# show root@ when we don't have colors
PS1='\u@\h \W \$ '
else
PS1='\u@\h \w \$ '
fi
fi
#+END_SRC
#+BEGIN_SRC conf
unset use_color safe_term match_lhs sh
#+END_SRC
#+BEGIN_SRC conf
xhost +local:root > /dev/null 2>&1
complete -cf sudo
# Line wrap on window resize
shopt -s checkwinsize
shopt -s expand_aliases
# Auto "cd" when entering just a path
shopt -s autocd
# Enable history appending instead of overwriting
shopt -s histappend
#+END_SRC
** Rebind up and down arrow keys to search through bash history
#+BEGIN_SRC conf
bind '"\e[A": history-search-backward'
bind '"\e[B": history-search-forward'
#+END_SRC
** Aliases
*** Better defaults for some commands
#+BEGIN_SRC conf
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alias cp="cp -i" # confirm before overwriting something
alias df='df -h' # human-readable sizes
alias free='free -m' # show sizes in MB
alias mutt="neomutt"
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#+END_SRC
*** One letter aliases
#+BEGIN_SRC conf
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alias r="ranger"
alias t="tmux"
alias v="nvim"
alias sv='sudo -E nvim'
alias g="git"
alias m="neomutt"
alias y="yadm"
alias o="xdg-open"
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#+END_SRC
*** Magit
#+BEGIN_SRC conf
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alias magit="emacsclient -create-frame --alternate-editor=\"\" --eval '(magit-status)'"
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#+END_SRC
*** Vim-like
#+BEGIN_SRC conf
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alias :q=exit
alias :e=nvim
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#+END_SRC
*** Youtube
#+BEGIN_SRC conf
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alias yt="youtube-dl --add-metadata -ic" # Download video link
alias yta="yt -x -f bestaudio/best" # Download only audio
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#+END_SRC
*** Print each PATH entry on a separate line
#+BEGIN_SRC conf
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alias path='echo -e ${PATH//:/\\n}'
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#+END_SRC
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*** TODO [#B] IP addresses - Remove the use of =dig= and =ifconfig=
Use =addr= instead
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#+BEGIN_SRC conf
# alias ip="dig +short myip.opendns.com @resolver1.opendns.com"
# alias localip="ip route get 8.8.4.4 | head -1 | awk '{print $7}'"
# alias ips="ifconfig -a | grep -o 'inet6\? \(addr:\)\?\s\?\(\(\([0-9]\+\.\)\{3\}[0-9]\+\)\|[a-fA-F0-9:]\+\)' | awk '{ sub(/inet6? (addr:)? ?/, \"\"); print }'"
#+END_SRC
** Functions
*** Display colors
#+BEGIN_SRC conf
colors() {
local fgc bgc vals seq0
printf "Color escapes are %s\n" '\e[${value};...;${value}m'
printf "Values 30..37 are \e[33mforeground colors\e[m\n"
printf "Values 40..47 are \e[43mbackground colors\e[m\n"
printf "Value 1 gives a \e[1mbold-faced look\e[m\n\n"
# foreground colors
for fgc in {30..37}; do
# background colors
for bgc in {40..47}; do
fgc=${fgc#37} # white
bgc=${bgc#40} # black
vals="${fgc:+$fgc;}${bgc}"
vals=${vals%%;}
seq0="${vals:+\e[${vals}m}"
printf " %-9s" "${seq0:-(default)}"
printf " ${seq0}TEXT\e[m"
printf " \e[${vals:+${vals+$vals;}}1mBOLD\e[m"
done
echo; echo
done
}
#+END_SRC
*** TODO Meteo - Is Dig mandatory?
To install =dig=, use =yay -S bind-tools=
#+BEGIN_SRC conf
meteo() {
if [ -n "$*" ]; then
address="wttr.in/"
address+=$*
address+="?lang=fr"
curl "$address"
else
address="wttr.in/"
address+=$(ip)
address+="?lang=fr"
curl "$address"
fi
}
alias meteo=meteo
#+END_SRC
*** TODO Upload using transfer.sh
#+BEGIN_SRC conf
upload() {
# write to output to tmpfile because of progress bar
tmpfile=$(mktemp -t transferXXX)
# basefile=$(basename "$1" | sed -e 's/[^a-zA-Z0-9]/-/g')
curl --progress-bar --upload-file "$1" "https://transfer.sh/" >> $tmpfile;
cat $tmpfile | xclip;
echo "Copied:" $(cat $tmpfile);
rm -f $tmpfile;
}
alias upload=upload
#+END_SRC
*** TODO Upload alternative
#+BEGIN_SRC conf
transfer() {
curl --progress-bar --upload-file "$1" https://transfer.sh/$(basename $1) | xclip -in -selection clipboard;
}
alias transfer=transfer
#+END_SRC
*** Extract archive
usage: ex <file>
#+BEGIN_SRC conf
ex ()
{
if [ -f $1 ] ; then
case $1 in
*.tar.bz2) tar xjf $1 ;;
*.tar.gz) tar xzf $1 ;;
*.bz2) bunzip2 $1 ;;
*.rar) unrar x $1 ;;
*.gz) gunzip $1 ;;
*.tar) tar xf $1 ;;
*.tbz2) tar xjf $1 ;;
*.tgz) tar xzf $1 ;;
*.zip) unzip $1 ;;
*.Z) uncompress $1;;
*.7z) 7z x $1 ;;
*) echo "'$1' cannot be extracted via ex()" ;;
esac
else
echo "'$1' is not a valid file"
fi
}
#+END_SRC
*** Tree display
=tre= is a shorthand for =tree= with hidden files and color enabled, ignoring
the =.git= directory, listing directories first. The output gets piped into
=less= with options to preserve color and line numbers, unless the output is
small enough for one screen.
#+BEGIN_SRC conf
function tre() {
tree -aC -I '.git|node_modules|bower_components' --dirsfirst "$@" | less -FRNX;
}
#+END_SRC
*** Create a new directory and enter it
#+BEGIN_SRC conf
function mkd() {
mkdir -p "$@" && cd "$_";
}
#+END_SRC
*** Filesize of directory
#+BEGIN_SRC conf
function fs() {
if du -b /dev/null > /dev/null 2>&1; then
local arg=-sbh;
else
local arg=-sh;
fi
if [[ -n "$@" ]]; then
du $arg -- "$@";
else
du $arg .[^.]* ./*;
fi;
}
#+END_SRC
*** Redirect both standard output and standard error, as well as sending to background
#+BEGIN_SRC conf
function nullify() {
"$@" >/dev/null 2>&1
}
#+END_SRC
** Prompt
#+BEGIN_SRC conf
if [ "`id -u`" -eq 0 ]; then
PS1="\[\033[m\]|\[\033[1;35m\]\t\[\033[m\]|\[\e[1;31m\]\u\[\e[1;36m\]\[\033[m\]@\[\e[1;36m\]\h\[\033[m\]:\[\e[0m\]\[\e[1;32m\][\W]> \[\e[0m\]"
else
PS1="\[\033[m\]|\[\033[1;35m\]\t\[\033[m\]|\[\e[1m\]\u\[\e[1;36m\]\[\033[m\]@\[\e[1;36m\]\h\[\033[m\]:\[\e[0m\]\[\e[1;32m\][\W]> \[\e[0m\]"
fi
#+END_SRC
** Exports
*** Better yaourt colors
#+BEGIN_SRC conf
export YAOURT_COLORS="nb=1:pkg=1:ver=1;32:lver=1;45:installed=1;42:grp=1;34:od=1;41;5:votes=1;44:dsc=0:other=1;35"
#+END_SRC
*** Use Ripgrep for FZF
#+BEGIN_SRC conf
export FZF_DEFAULT_COMMAND='rg --files --no-ignore --hidden --follow --glob "!.git/*"'
#+END_SRC
*** Goland
#+BEGIN_SRC conf
export GOPATH=$HOME/go
#+END_SRC
*** Path
#+BEGIN_SRC conf
PATH=$GOPATH:$GOPATH/bin:$PATH
PATH=$HOME/appimages:$PATH
PATH=$HOME/.gem/ruby/2.5.0/bin:$PATH
PATH=~/bin:$PATH
export PATH
#+END_SRC
** Bash History
Undocumented feature which sets the size to "unlimited". http://stackoverflow.com/questions/9457233/unlimited-bash-history
#+BEGIN_SRC conf
export HISTFILESIZE=
export HISTSIZE=
export HISTTIMEFORMAT="[%F %T] "
#+END_SRC
Change the file location because certain bash sessions truncate =.bash_history= file upon close. http://superuser.com/questions/575479/bash-history-truncated-to-500-lines-on-each-login
#+BEGIN_SRC conf
export HISTFILE=~/.bash_eternal_history
#+END_SRC
Force prompt to write history after every command. http://superuser.com/questions/20900/bash-history-loss
#+BEGIN_SRC conf
PROMPT_COMMAND="history -a; $PROMPT_COMMAND"
#+END_SRC
** Base16 Shell
#+BEGIN_SRC conf
BASE16_SHELL="$HOME/.base16-manager/chriskempson/base16-shell/"
[ -n "$PS1" ] && \
[ -s "$BASE16_SHELL/profile_helper.sh" ] && \
eval "$("$BASE16_SHELL/profile_helper.sh")"
#+END_SRC
* Bash Profile
:PROPERTIES:
:header-args:conf: :tangle ~/.bash_profile
:header-args:conf+: :comments both :mkdirp yes
:END:
** Ignore case for autocompletion
#+BEGIN_SRC conf
bind "set completion-ignore-case on"
bind "set show-all-if-ambiguous on"
#+END_SRC
** Source bashrc
#+BEGIN_SRC conf
[[ -f ~/.bashrc ]] && . ~/.bashrc
#+END_SRC
* Profile
:PROPERTIES:
:header-args:conf: :tangle ~/.profile
:header-args:conf+: :comments both :mkdirp yes
:END:
** QT And GTK Themes
#+BEGIN_SRC conf
export QT_QPA_PLATFORMTHEME="qt5ct"
export GTK2_RC_FILES="$HOME/.gtkrc-2.0"
#+END_SRC
** Gui program to ask for sudo password
#+BEGIN_SRC conf
export SUDO_ASKPASS=~/bin/askpass-rofi
#+END_SRC
** Default
#+BEGIN_SRC conf
export EDITOR=/usr/bin/nvim
export BROWSER=/usr/bin/qutebrowser
#+END_SRC