X-Git-Url: https://code.delx.au/dotfiles/blobdiff_plain/1254fd30fd1ab11c09a132bb3a68b77c925c75fa..99c6bc261a8c3994205cbf0a13919d68e58d31fa:/.bashrc diff --git a/.bashrc b/.bashrc index 9e0f0d9..2ccae92 100644 --- a/.bashrc +++ b/.bashrc @@ -1,85 +1,334 @@ -# Run when a random bash is started. This is always run after the login -# shell. It sets up the shell to have a nice prompt and xterm titlebar, etc. -# It should NOT set any environment variables like the PATH. -# Copy this around to all your machines and make machine specific -# customisations to ~/.bashrc_local - -# Run .bash_profile if logging in from ssh -[ ${RUN_BASH_PROFILE:-0} -eq 1 -a -f ~/.bash_profile ] && source ~/.bash_profile && return - -# If not running interactively do nothing -[ -z "$PS1" ] && return - -# Terminals that we want coloured prompts in -[ -n "$COLORTERM" ] && PS1_COLOR=1 -[ "$TERM" = "linux" ] && PS1_COLOR=1 && DARK=1 -[ "$TERM" = "screen" ] && PS1_COLOR=1 -[ "$TERM" = "xterm" ] && PS1_COLOR=1 -[ "$TERM" = "xterm-color" ] && PS1_COLOR=1 -[ "$TERM" = "rxvt" ] && PS1_COLOR=1 -[ "$TERM" = "rxvt-unicode" ] && PS1_COLOR=1 - -# Use colours appropriate to a light on dark terminal, we can autodetect -# this for some terminals, for others we define it above. -if [ -n "$COLORFGBG" ]; then - FGCOLOR=$(echo $COLORFGBG | cut -d ';' -f 1) - BGCOLOR=$(echo $COLORFGBG | cut -d ';' -f 3) - if [ "$FGCOLOR" -gt "$BGCOLOR" ]; then - DARK=1 - fi - unset FGCOLOR - unset BGCOLOR -elif [ ${DARK:-0} -eq 0 ]; then - export COLORFGBG="0;default;15" -elif [ ${DARK:-0} -eq 1 ]; then - export COLORFGBG="15;default;0" -fi +# shellcheck disable=SC1090 disable=SC1091 # -- Can't follow non-constant source +# shellcheck disable=SC1003 # -- Don't complain about '\e\\' + +########################### +# Settings for all shells # +########################### -# Set the prompt colour, and the colors for the 'ls' command appropriately, -# depending on the background of the terminal. -if [ ${PS1_COLOR:-0} -eq 1 ]; then - if [ ${DARK:-0} -eq 0 ]; then - LS_COLORS="no=00:fi=00:di=00;34:ln=00;36:pi=40;33:so=00;35:bd=40;33;01:cd=40;33;01:or=01;05;37;41:mi=01;05;37;41:ex=00;32:*.cmd=00;32:*.exe=00;32:*.com=00;32:*.btm=00;32:*.bat=00;32:*.sh=00;32:*.csh=00;32:*.tar=00;31:*.tgz=00;31:*.arj=00;31:*.taz=00;31:*.lzh=00;31:*.zip=00;31:*.z=00;31:*.Z=00;31:*.gz=00;31:*.bz2=00;31:*.bz=00;31:*.tz=00;31:*.rpm=00;31:*.cpio=00;31:*.jpg=00;35:*.gif=00;35:*.bmp=00;35:*.xbm=00;35:*.xpm=00;35:*.png=00;35:*.tif=00;35" - PS1='\[\033[31m\]\u@\h\[\033[00m\]:\[\033[34m\]\w\[\033[00m\]\$ ' - else - LS_COLORS='no=00:fi=00:di=01;34:ln=01;36:pi=40;33:so=01;35:do=01;35:bd=40;33;01:cd=40;33;01:or=40;31;01:ex=01;32:*.tar=01;31:*.tgz=01;31:*.arj=01;31:*.taz=01;31:*.lzh=01;31:*.zip=01;31:*.z=01;31:*.Z=01;31:*.gz=01;31:*.bz2=01;31:*.deb=01;31:*.rpm=01;31:*.jar=01;31:*.jpg=01;35:*.jpeg=01;35:*.gif=01;35:*.bmp=01;35:*.pbm=01;35:*.pgm=01;35:*.ppm=01;35:*.tga=01;35:*.xbm=01;35:*.xpm=01;35:*.tif=01;35:*.tiff=01;35:*.png=01;35:*.mpg=01;35:*.mpeg=01;35:*.avi=01;35:*.fli=01;35:*.gl=01;35:*.dl=01;35:*.xcf=01;35:*.xwd=01;35:*.ogg=01;35:*.mp3=01;35:*.wav=01;35:' - PS1='\[\033[01;31m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ ' - fi - - export LS_COLORS - unset PS1_COLOR - unset DARK +# Set umask, depending on the user ID +if [ "$(id -un)" = "root" ]; then + umask 0022 else - PS1='\u@\h:\w\$ ' + umask 0007 +fi + +# Add ~/bin and subdirs to PATH if needed +while read -r p; do + echo "$PATH" | tr ':' '\n' | grep -qxF "$p" || PATH="${p}:$PATH" +done < <(find -L ~/bin -depth -maxdepth 1 -type d 2> /dev/null) + +# Set environment variables, eg EMAIL, LANG +eval "$(cat 2> /dev/null /etc/default/locale /etc/locale.conf ~/.config/environment.d/*.conf | awk -F= '/^[^# ]/ {print $0 ";export " $1}')" + +# Pick up SSH agent socket +if [ -z "$SSH_AUTH_SOCK" ]; then + if [ -r ~/.ssh-agent.env ]; then + source ~/.ssh-agent.env + else + SSH_AUTH_SOCK="/run/user/$(id -u)/keyring/ssh" + export SSH_AUTH_SOCK + fi fi -function DARKTERM { - unset COLORFGBG - DARK=1 && source ~/.bashrc + +########################### +# Interactive shells only # +########################### + +if [ -z "${PS1}" ]; then + return +fi + + +################ +# Source files # +################ + +# Debian/Ubuntu don't source this from /etc/bash.bashrc +[ -z "$BASH_COMPLETION_VERSINFO" ] && [ -r /usr/share/bash-completion/bash_completion ] && source /usr/share/bash-completion/bash_completion + +# This isn't sourced for interactive shells on Debian/Ubuntu/Arch +# https://bugzilla.gnome.org/show_bug.cgi?id=697475 +[ -r /etc/profile.d/vte.sh ] && source /etc/profile.d/vte.sh + + +################ +# bash options # +################ + +# Bash should check the terminal size after every command terminates +shopt -s checkwinsize + +# Don't attempt to tab-complete an empty line +shopt -s no_empty_cmd_completion + +# Prevent overwriting existing files on stdout redirection +set -o noclobber + +# Better history +shopt -s histappend +shopt -s cmdhist +export HISTCONTROL='erasedups:ignoredups:ignorespace' +export HISTSIZE='100000' +export HISTTIMEFORMAT='%F %T ' + + +############### +# Pager setup # +############### + +export PAGER='less' +export LESS='RS' + + +################## +# Terminal setup # +################## + +# Disable CTRL-s / CTRL-q +stty -ixon + +# Use dark background colors in apps like vim +export COLORFGBG='15;0' + +############# +# Fancy PS1 # +############# + +# Revision control status for git, hg, svn + +function find_up_exists { + local d="$PWD" + while [ -n "$d" ]; do + if [ -e "$d/$1" ]; then + return 0 + fi + d="${d%/*}" + done + return 1 +} + +for p in /usr/lib/git-core/git-sh-prompt \ + /usr/share/git/completion/git-prompt.sh \ + /usr/share/git-core/contrib/completion/git-prompt.sh \ + /usr/local/share/git-core/contrib/completion/git-prompt.sh +do + [ -r "$p" ] && source "$p" && break +done + +function my_git_ps1 { + find_up_exists .git || return + GIT_PS1_SHOWDIRTYSTATE=1 \ + GIT_PS1_SHOWUNTRACKEDFILES=1 \ + __git_ps1 ' (%s)' 2> /dev/null +} + +function my_hg_ps1 { + find_up_exists .hg || return + local status + status="$(hg status | cut -c1 | sort -u | tr -d ' \n')" + echo -n " ($status)" +} + +function my_svn_ps1 { + find_up_exists .svn || return + local status + status="$(svn status --ignore-externals 2> /dev/null | cut -c1 | sort -u | tr -d ' \n')" + [ -n "$status" ] && echo -n " ($status)" +} + +# Two line prompt +PS1='' +PS1="$PS1"'\[\e[01;31m\]\u@\h\[\e[00m\]:\[\e[01;34m\]\w\[\e[00m\]' +PS1="$PS1"'\[\e[01;36m\]$(my_git_ps1 ; my_hg_ps1 ; my_svn_ps1)\[\e[00m\]' +PS1="$PS1"'\n\$ ' + + +################################# +# Display return codes on error # +################################# + +function print_exit_code { + local exit_code="$?" + if [ -z "${BASH_SOURCE[1]}" ]; then + printf '\e[01;33mexit code: %s\e[00m\n' \ + "$exit_code" + fi +} +trap print_exit_code ERR + + + +#################### +# Function aliases # +#################### + +# This prevents long/ugly command lines from showing up in xterm titles +function aliasf { + eval "function $1 { $2 \$@; }" } -# xterm titlebar displays current command -case "$TERM" in -xterm*|rxvt*) - HOSTNAME="$(hostname | cut -d '.' -f 1)" - CWD_WITHHOME='"$(echo "$PWD" | sed "s|^$HOME|~|")"' - PROMPT_COMMAND="echo -ne \"\033]0;${HOSTNAME}: ${CWD_WITHHOME}\007\"" - ;; -*) - ;; -esac - -# Useful aliases -alias ls='ls --color=auto' + +########################## +# ls aliases and colours # +########################## + +if command -v dircolors &> /dev/null; then + # GNU ls colours + eval "$(dircolors)" + LS_COLORS+=':ow=30;42' +else + # BSD ls colours + export LSCOLORS="ExFxCxDxBxEGEDABAGACAD" +fi + +# Lets find the ls +if ls --color=auto -v &> /dev/null; then + alias ls='ls --color=auto -v' +elif gls --color=auto -v &> /dev/null; then + alias ls='gls --color=auto -v' +elif ls -G &> /dev/null; then + alias ls='ls -G' +else + alias ls='ls -F' +fi alias ll='ls -hlF' alias la='ls -ha' alias l='ls -halF' -alias rm='rm -i' -alias less='less -R' -alias screen='TERM=screen screen' -shopt -s checkwinsize -# Local customisations +############## +# ps aliases # +############## + +alias _psresources='ps -wAo pid,user,%cpu,%mem,stat,start,time,args' +if [ "$(uname)" = "Linux" ]; then + aliasf pscpu '_psresources --sort -%cpu|less -S' + aliasf psmem '_psresources --sort -%mem|less -S' + aliasf pstree 'ps --forest -weo pid,user:16,args --sort start_time|less -S' + aliasf pstime 'ps -wAo pid,user,lstart,args --sort start_time|less -S' +else + aliasf pscpu '_psresources -r|less -S' + aliasf psmem '_psresources -m|less -S' + aliasf pstime 'ps -wAo pid,user,lstart,args|less -S' +fi + +################# +# Other aliases # +################# + +alias f='find . -iname' +if echo x | grep -q --color=auto x &> /dev/null; then + alias grep='grep --color=auto' +fi +alias rg='rg -p' +alias bc='bc -ql' +alias watch='watch -n1' +alias sudo='sudo ' # ability to use aliases with sudo +aliasf sudosu 'sudo su -l -s /bin/bash' +aliasf python 'PYTHONSTARTUP=~/.pythonrc.py python3' +aliasf webshare 'python3 -mhttp.server' + +if ! command -v pbcopy &> /dev/null; then + alias pbcopy='xsel --clipboard --input' + alias pbcopym='xsel --input' + alias pbpaste='xsel --clipboard --output' + alias pbpastem='xsel --output' +fi + +# man with coloured headings and a terminal title +function man { + env \ + LESS_TERMCAP_md=$'\E[01;38;5;74m' \ + LESS_TERMCAP_me=$'\E[0m' \ + LESS_TERMCAP_us=$'\E[04;38;5;146m' \ + LESS_TERMCAP_ue=$'\E[0m' \ + LC_CTYPE=C \ + man "$@" +} + +# Creates the directory if it doesn't exist, and changes into it +function mcd { + # shellcheck disable=SC2164 + mkdir -p "$1" && cd "$1" +} + +# Sets the nice and ionice priorities for the current shell to the lowest values +function slowshell { + ionice -c 3 -p $$ + renice -n 19 -p $$ +} + +# SSH without verifying host key +function ssh_unsafe { + ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null "$@" +} + + +################## +# Editor aliases # +################## + +if emacsclient --version &> /dev/null; then + export ALTERNATE_EDITOR='vim' + export EDITOR='emacsclient --tty' +else + export EDITOR='vim' +fi +aliasf edit "$EDITOR" + + +######################### +# Optional local config # +######################### + [ -r ~/.bashrc_local ] && source ~/.bashrc_local + +######################## +# Terminal integration # +######################## + +# When at a prompt display `workingdir (hostname)` +function print_title_prompt { + printf '\e]0;bash:%s (%s)\a' \ + "${PWD/$HOME/\~}" \ + "$(hostname -s)" + + if [[ "$TERM" == screen* ]]; then + printf '\ekbash\e\\' + fi +} + +# Preserve working directory when opening new terminals +# This depends on /etc/profile/vte.sh +function record_terminal_cwd { + [ "$(type -t __vte_osc7)" = "function" ] && __vte_osc7 || true +} + +function prompt_command { + print_title_prompt + record_terminal_cwd +} +PROMPT_COMMAND=prompt_command + +# Display the command about to be executed. This must go at the end of the +# bashrc to avoid running the trap on commands in the bashrc +function print_title_exec { + [ "$BASH_COMMAND" = "$PROMPT_COMMAND" ] && return + + printf '\e]0;%s (%s)\a' \ + "$(tr -cd '[:graph:] ' <<< "$BASH_COMMAND")" \ + "$(hostname -s)" + + if [[ "$TERM" == screen* ]]; then + printf '\ek%s\e\\' \ + "$(sed -n -e 's/sudo //' -e 's/ .*//' -e 1p <<< "$BASH_COMMAND")" + fi +} +trap print_title_exec DEBUG + + +########### +# The end # +###########