bash: update prompt
[~bandali/configs] / .bashrc
1 # Bash initialization for interactive non-login shells and
2 # for remote shells (info "(bash) Bash Startup Files").
3
4 # Export 'SHELL' to child processes. Programs such as 'screen'
5 # honor it and otherwise use /bin/sh.
6 export SHELL
7
8 if [[ $- != *i* ]]
9 then
10 # We are being invoked from a non-interactive shell. If this
11 # is an SSH session (as in "ssh host command"), source
12 # /etc/profile so we get PATH and other essential variables.
13 [[ -n "$SSH_CLIENT" ]] && source /etc/profile
14
15 # Don't do anything else.
16 return
17 fi
18
19 if [ -n "$IS_GUIX_SYSTEM" ]; then
20 # Source the system-wide file.
21 source /etc/bashrc
22 fi
23
24 # from https://unix.stackexchange.com/a/55935
25 b_prompt() {
26 cwd=$(sed -e "s:$HOME:~:" -e "s:\(\.\?[^/]\)[^/]*/:\1/:g" <<<$PWD)
27 printf $cwd
28 }
29
30 if [ $(id -u) == "0" ]; then
31 PS1='`printf "\[\e[1;31m\]\$\[\e[00m\]"` '
32 else
33 PS1='\$ '
34 fi
35 PS1="`[ -n "$GUIX_ENVIRONMENT" ] && printf \" [env]\"`\n$PS1"
36 __u='`[ \`id -u\` == "0" ] && printf "\[\e[1;31m\]\u\[\e[00m\]" || printf "\u"`'
37 PS1="$__u@\h:\w/$PS1"
38
39 # set terminal title
40 PROMPT_COMMAND='echo -ne "\033]0;${USER}@${HOSTNAME}: $(b_prompt)\007"'
41
42 # i-beam cursor
43 # echo -e "\033[5 q" # blinking
44 echo -e "\033[6 q" # non-blinking
45
46 # various bash tweaks
47 # append to the history file, don't overwrite it
48 shopt -s histappend
49 shopt -s cmdhist
50 # check the window size after each command and, if necessary,
51 # update the values of LINES and COLUMNS.
52 shopt -s checkwinsize
53 # If set, the pattern "**" used in a pathname expansion context will
54 # match all files and zero or more directories and subdirectories.
55 #shopt -s globstar
56 # for setting history length see HISTSIZE and HISTFILESIZE in bash(1)
57 HISTSIZE=
58 HISTFILESIZE=
59 # don't put duplicate lines or lines starting with space in the
60 # history.
61 HISTCONTROL=ignoreboth
62 # ignore a few very common commands and don't add them to history
63 HISTIGNORE='ls:l:s:g:[bf]g:history'
64 HISTTIMEFORMAT='%F %T '
65 stty stop ""
66
67 # aliases
68 alias ls='ls -p --color=auto'
69 alias l='ls -lh' # long format and human-readable sizes
70 alias ll='l -A' # long format, all files
71 alias dir='dir --color=auto'
72 alias vdir='vdir --color=auto'
73 alias grep='grep --color=auto'
74 alias fgrep='fgrep --color=auto'
75 alias egrep='egrep --color=auto'
76 alias mpv="mpv --ytdl-format mp4"
77 alias mv="mv -iv"
78 alias cp="cp -iv"
79 alias mbsync='mbsync -c "$XDG_CONFIG_HOME"/isync/mbsyncrc'
80 alias getmail='getmail --getmaildir "$XDG_CONFIG_HOME"/getmail --rcfile getmailrc'
81 alias m="mbsync csclub; mbsync uwaterloo; mbsync shemshak; mbsync gnub"
82 alias best="youtube-dl -f best"
83 alias e="$EDITOR"
84 alias se="SUDO_EDITOR=\"emacsclient\" sudo -e"
85
86 aur() {
87 cd ~/usr/builds
88 [ -d ${1} ] || git clone https://aur.archlinux.org/${1}.git
89 cd ${1}
90 }
91
92 # separate alias definitions file, if exists
93 if [ -f ~/.bash_aliases ]; then
94 . ~/.bash_aliases
95 fi
96
97 # enable programmable completion features (not needed if already
98 # enabled in /etc/bash.bashrc and if /etc/profile sources
99 # /etc/bash.bashrc).
100 if ! shopt -oq posix; then
101 if [ -f /usr/share/bash-completion/bash_completion ]; then
102 . /usr/share/bash-completion/bash_completion
103 elif [ -f /etc/bash_completion ]; then
104 . /etc/bash_completion
105 fi
106 fi