X-Git-Url: https://code.delx.au/dotfiles/blobdiff_plain/487a5f8b11373c23a21804806c2b232a26462e24..4c43b71f6ed43032fae9312af6e090826b7ff764:/.bashrc diff --git a/.bashrc b/.bashrc index 99a5c53..3cdd83c 100644 --- a/.bashrc +++ b/.bashrc @@ -1,5 +1,340 @@ -source "${HOME}/.bash/environment" +# shellcheck disable=SC1090 disable=SC1091 # -- Can't follow non-constant source +# shellcheck disable=SC1003 # -- Don't complain about '\e\\' -if [ -n "${PS1}" ]; then - source "${HOME}/.bash/interactive" +########################### +# Settings for all shells # +########################### + +# Set umask, depending on the user ID +if [ "$(id -un)" = "root" ]; then + umask 0022 +else + 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 -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/$(id -u)/keyring/ssh" + export SSH_AUTH_SOCK + fi fi + + +########################### +# Interactive shells only # +########################### + +if [ -z "${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 { $2 \$@; }" +} + + +########################## +# ls aliases and colours # +########################## + +if command -v dircolors &> /dev/null; then + # GNU ls colours + eval "$(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' + + +############## +# 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 "$@" +} + + +################## +# Editor aliases # +################## + +if emacsclient --version &> /dev/null; then + export ALTERNATE_EDITOR='vim' + export EDITOR='emacsclient --tty' + + if [[ "$TERM" == screen* ]]; then + aliasf edit 'emacsclient --tty' + else + aliasf edit 'emacsclient --create-frame --no-wait' + fi +else + export EDITOR='vim' + aliasf edit 'vim' +fi + + +######################### +# 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 # +###########