code.delx.au - dotfiles/blob - .bashrc

   1 ###########################
   2 # Settings for all shells #
   3 ###########################
   4
   5 # Set umask, depending on the user ID
   6 if [ "$(id -un)" = "root" ]; then
   7     umask 0022
   8 else
   9     umask 0007
  10 fi
  11
  12 # Add ~/bin and subdirs to PATH if needed
  13 while read -r p; do
  14     echo "$PATH" | tr ':' '\n' | grep -qxF "$p" || PATH="${p}:$PATH"
  15 done < <(find ~/bin -type d 2> /dev/null)
  16
  17 # Set EMAIL from the freedesktop environment.d
  18 if [ -r ~/.config/environment.d/10-email.conf ]; then
  19     # shellcheck disable=SC1090
  20     source ~/.config/environment.d/10-email.conf
  21     export EMAIL
  22 fi
  23
  24 # Pick up SSH agent socket in case it isn't set automatically
  25 if [ -z "$SSH_AUTH_SOCK" ]; then
  26     SSH_AUTH_SOCK="/run/user/$(id -u)/keyring/ssh"
  27     export SSH_AUTH_SOCK
  28 fi
  29
  30
  31 ###########################
  32 # Interactive shells only #
  33 ###########################
  34
  35 if [ -z "${PS1}" ]; then
  36     return
  37 fi
  38
  39
  40 ################
  41 # bash options #
  42 ################
  43
  44 # Bash should check the terminal size after every command terminates
  45 shopt -s checkwinsize
  46
  47 # Don't attempt to tab-complete an empty line
  48 shopt -s no_empty_cmd_completion
  49
  50 # Prevent overwriting existing files on stdout redirection
  51 set -o noclobber
  52
  53 # Better history
  54 shopt -s histappend
  55 shopt -s cmdhist
  56 export HISTCONTROL='erasedups:ignoredups:ignorespace'
  57 export HISTSIZE='100000'
  58 export HISTTIMEFORMAT='%F %T '
  59
  60
  61 ##################
  62 # Terminal setup #
  63 ##################
  64
  65 # Disable CTRL-s / CTRL-q
  66 stty -ixon
  67
  68 # hostname:workingdir
  69 PROMPT_COMMAND='echo -ne "\\033]0;$(hostname| cut -d. -f1):${PWD/$HOME/~}\\007"'
  70
  71
  72 #############
  73 # Fancy PS1 #
  74 #############
  75
  76 # Revision control status for git, hg, svn
  77
  78 function find_up_exists {
  79     local d="$PWD"
  80     while [ -n "$d" ]; do
  81         if [ -e "$d/$1" ]; then
  82             return 0
  83         fi
  84         d="${d%/*}"
  85     done
  86     return 1
  87 }
  88
  89 [ -r /usr/share/git/completion/git-prompt.sh ] && source /usr/share/git/completion/git-prompt.sh
  90 function my_git_ps1 {
  91     find_up_exists .git || return
  92     GIT_PS1_SHOWDIRTYSTATE=1 \
  93     GIT_PS1_SHOWUNTRACKEDFILES=1 \
  94     __git_ps1 ' (%s)' 2> /dev/null
  95 }
  96
  97 function my_hg_ps1 {
  98     find_up_exists .hg || return
  99     local status
 100     status="$(hg status | cut -c1 | sort -u | tr -d ' \n')"
 101     echo -n " ($status)"
 102 }
 103
 104 function my_svn_ps1 {
 105     find_up_exists .svn || return
 106     local status
 107     status="$(svn status --ignore-externals 2> /dev/null | cut -c1 | sort -u | tr -d ' \n')"
 108     [ -n "$status" ] && echo -n " ($s)"
 109 }
 110
 111 # Two line prompt
 112 PS1=''
 113 PS1="$PS1"'\[\033[01;31m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]'
 114 PS1="$PS1"'\[\033[01;36m\]$(my_git_ps1 ; my_hg_ps1 ; my_svn_ps1)\[\033[00m\]'
 115
 116 if ! [[ "$TERM" =~ ^screen ]]; then
 117     PS1="$PS1"'\n\$ '
 118 else
 119     # matches with shelltitle in .screenrc
 120     PS1="$PS1"'\n\[\033k\033\\\]\$> '
 121 fi
 122
 123
 124 #################################
 125 # Display return codes on error #
 126 #################################
 127
 128 function print_exit_code {
 129     _exit_msg="\\033[01;33mexit code: $?\\033[00m"
 130     if [ -z "${BASH_SOURCE[1]}" ]; then
 131         echo -e "$_exit_msg"
 132     fi
 133     unset _exit_msg
 134 }
 135 trap print_exit_code ERR
 136
 137
 138 ###############
 139 # Pager setup #
 140 ###############
 141
 142 export PAGER='less'
 143 export LESS='RS'
 144
 145
 146 ################
 147 # Editor setup #
 148 ################
 149
 150 if emacsclient --version &> /dev/null; then
 151     export ALTERNATE_EDITOR='vim'
 152     export EDITOR='emacsclient --tty'
 153
 154     if [[ "$TERM" == screen* ]]; then
 155         alias edit='emacsclient --tty'
 156     else
 157         alias edit='emacsclient --create-frame --no-wait'
 158     fi
 159 else
 160     export EDITOR='vim'
 161     alias edit='vim'
 162 fi
 163
 164
 165 ##########################
 166 # ls aliases and colours #
 167 ##########################
 168
 169 # GNU ls colours
 170 # shellcheck disable=SC2046
 171 eval $(TERM=xterm dircolors 2> /dev/null)
 172
 173 # BSD ls colours
 174 export LSCOLORS="ExFxCxDxBxEGEDABAGACAD"
 175
 176 # Lets find the ls
 177 if ls --color=auto -v &> /dev/null; then
 178     alias ls='ls --color=auto -v'
 179 elif gls --color=auto -v &> /dev/null; then
 180     alias ls='gls --color=auto -v'
 181 elif ls -G &> /dev/null; then
 182     alias ls='ls -G'
 183 else
 184     alias ls='ls -F'
 185 fi
 186 alias ll='ls -hlF'
 187 alias la='ls -ha'
 188 alias  l='ls -halF'
 189
 190 ##############
 191 # ps aliases #
 192 ##############
 193
 194 alias _psresources='ps -wAo pid,user,%cpu,%mem,stat,start,time,args'
 195 if [ "$(uname)" = "Linux" ]; then
 196     alias pscpu='_psresources --sort -%cpu|less -S'
 197     alias psmem='_psresources --sort -%mem|less -S'
 198     alias pstree='ps --forest -weo pid,user:16,args --sort start_time|less -S'
 199     alias pstime='ps -wAo pid,user,lstart,args --sort start_time|less -S'
 200 else
 201     alias pscpu='_psresources -r|less -S'
 202     alias psmem='_psresources -m|less -S'
 203     alias pstime='ps -wAo pid,user,lstart,args|less -S'
 204 fi
 205
 206 #################
 207 # Other aliases #
 208 #################
 209
 210 alias f='find . -iname'
 211 if echo x | grep -q --color=auto x &> /dev/null; then
 212     alias grep='grep --color=auto'
 213 fi
 214 alias rg='rg -p'
 215 alias scp='scp -o ControlPath=none'
 216 alias bc='bc -ql'
 217 alias watch='watch -n1'
 218 alias sudo='sudo ' # ability to use aliases with sudo
 219 alias sudosu='sudo su -l -s /bin/bash'
 220 alias py='PYTHONSTARTUP=~/.pythonrc.py python'
 221 alias webshare='python3 -mhttp.server'
 222
 223 if ! command -v pbcopy &> /dev/null; then
 224     alias pbcopy='xsel --clipboard --input'
 225     alias pbcopym='xsel --input'
 226     alias pbpaste='xsel --clipboard --output'
 227     alias pbpastem='xsel --output'
 228 fi
 229
 230 # man with coloured headings and a terminal title
 231 function man {
 232     echo -ne "\\033]0;man $*\\007"
 233
 234     env \
 235         LESS_TERMCAP_md=$'\E[01;38;5;74m' \
 236         LESS_TERMCAP_me=$'\E[0m' \
 237         LESS_TERMCAP_us=$'\E[04;38;5;146m' \
 238         LESS_TERMCAP_ue=$'\E[0m' \
 239     man --encoding ascii "$@"
 240 }
 241
 242 # Creates the directory if it doesn't exist, and changes into it
 243 function mcd {
 244     # shellcheck disable=SC2164
 245     mkdir -p "$1" && cd "$1"
 246 }
 247
 248 # Sets the nice and ionice priorities for the current shell to the lowest values
 249 function slowshell {
 250     ionice -c 3 -p $$
 251     renice -n 19 -p $$
 252 }
 253
 254 # SSH to an unknown host and print the new known_hosts entry
 255 function ssh_new {
 256     local new_known_hosts_file
 257     new_known_hosts_file="$(mktemp)"
 258     ssh -o UserKnownHostsFile="$new_known_hosts_file" "$@" echo 'Connection ok'
 259     cat "$new_known_hosts_file"
 260     rm -f "$new_known_hosts_file"
 261 }
 262
 263 # SSH without verifying host key
 264 function ssh_unsafe {
 265     ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null "$@"
 266 }
 267
 268 ###########
 269 # The end #
 270 ###########