.bashrc

   1 #!/bin/bash
   2 # ~/.bashrc: executed by bash(1) for non-login shells.
   3 # A basically sane bash environment.
   4 # Tony Duckles <http://nynim.org/about/> (based on http://github.com/rtomayko/dotfiles)
   5
   6 # ----------------------------------------------------------------------
   7 #  BASICS
   8 # ----------------------------------------------------------------------
   9
  10 # short-circuit for non-interactive sessions
  11 [ -z "$PS1" ] && return
  12
  13 # the basics
  14 PATH="/usr/local/bin:/bin:/usr/bin:/usr/sbin:/usr/local/sbin:/sbin:$PATH"
  15 : ${HOME=~}
  16 : ${LOGNAME=$(id -un)}
  17 : ${UNAME=$(uname)}
  18 # strip OS type and version under Cygwin (e.g. CYGWIN_NT-5.1 => Cygwin)
  19 UNAME=${UNAME/CYGWIN_*/Cygwin}
  20
  21 # complete hostnames from this file
  22 HOSTFILE=~/.ssh/known_hosts
  23
  24 # readline config
  25 INPUTRC=~/.inputrc
  26
  27 # if current $TERM isn't valid, fall-back to TERM=xterm-color or TERM=xterm
  28 case $(tput colors 2>&1) in
  29     tput* )
  30         export TERM=xterm-color
  31         case $(tput colors 2>&1) in
  32             tput* )
  33                 export TERM=xterm
  34                 ;;
  35         esac
  36         ;;
  37 esac
  38
  39 # ----------------------------------------------------------------------
  40 #  SHELL OPTIONS
  41 # ----------------------------------------------------------------------
  42
  43 # notify of bg job completion immediately
  44 set -o notify
  45
  46 # shell opts. see bash(1) for details
  47 shopt -s cdspell >/dev/null 2>&1
  48 shopt -s checkjobs >/dev/null 2>&1
  49 shopt -s checkwinsize >/dev/null 2>&1
  50 shopt -s extglob >/dev/null 2>&1
  51 shopt -s histappend >/dev/null 2>&1
  52 shopt -s hostcomplete >/dev/null 2>&1
  53 shopt -s interactive_comments >/dev/null 2>&1
  54 shopt -u mailwarn >/dev/null 2>&1
  55 shopt -s no_empty_cmd_completion >/dev/null 2>&1
  56
  57 # don't check for new mail
  58 unset MAILCHECK
  59
  60 # disable core dumps
  61 ulimit -S -c 0
  62
  63 # default umask
  64 umask 0022
  65
  66 # ----------------------------------------------------------------------
  67 # PATH
  68 # ----------------------------------------------------------------------
  69
  70 # include the various sbin's along with /usr/local/bin
  71 PATH="$PATH:/usr/local/sbin:/usr/sbin:/sbin"
  72 PATH="/usr/local/bin:$PATH"
  73
  74 # use $HOME specific bin and sbin
  75 test -d "$HOME/bin" && PATH="$HOME/bin:$PATH"
  76 test -d "$HOME/sbin" && PATH="$HOME/sbin:$PATH"
  77
  78 # SmartOS pkgin
  79 test -d "/opt/local" && PATH="/opt/local/sbin:/opt/local/bin:$PATH"
  80 # SmartOS local files
  81 test -d "/opt/custom" && PATH="/opt/custom/sbin:/opt/custom/bin:$PATH"
  82 # SmartOS SDC
  83 test -d "/smartdc" && PATH="/smartdc/bin:/opt/smartdc/bin:/opt/smartdc/agents/bin:$PATH"
  84 # SmartOS native binaries, for OS/LX zones
  85 test -d "/native" && PATH="$PATH:/native/usr/sbin:/native/usr/bin:/native/sbin:/native/bin"
  86
  87 # RVM
  88 test -d "$HOME/.rvm/bin" && PATH="$PATH:$HOME/.rvm/bin"
  89
  90 # setup $GOPATH
  91 test -d "/usr/local/share/golang" && export GOPATH=/usr/local/share/golang
  92 test -n "$GOPATH" && PATH="$PATH:$GOPATH/bin"
  93
  94 # ----------------------------------------------------------------------
  95 # ENVIRONMENT CONFIGURATION
  96 # ----------------------------------------------------------------------
  97
  98 # detect interactive shell
  99 case "$-" in
 100     *i*) INTERACTIVE=yes ;;
 101     *)   unset INTERACTIVE ;;
 102 esac
 103
 104 # detect login shell
 105 case "$0" in
 106    -*) LOGIN=yes ;;
 107    *)  unset LOGIN ;;
 108 esac
 109
 110 # setup locale. Try to enable en_US locale w/ utf-8 encodings
 111 # (if not already configured), but do graceful fall-back.
 112 lclist=$(locale -a | grep en_US)
 113 if test -n "$(echo $lclist | grep UTF-8)"; then
 114     : ${LANG:="en_US.UTF-8"}
 115     : ${LANGUAGE:="en"}
 116     : ${LC_CTYPE:="en_US.UTF-8"}
 117     : ${LC_ALL:="en_US.UTF-8"}
 118 elif test -n "$(echo $lclist | grep utf8)"; then
 119     : ${LANG:="en_US.utf8"}
 120     : ${LANGUAGE:="en"}
 121     : ${LC_CTYPE:="en_US.utf8"}
 122     : ${LC_ALL:="en_US.utf8"}
 123 elif test -n "$(echo $lclist | grep ISO8859-1)"; then
 124     : ${LANG:="en_US.ISO8859-1"}
 125     : ${LANGUAGE:="en"}
 126     : ${LC_CTYPE:="en_US.ISO8859-1"}
 127     : ${LC_ALL:="en_US.ISO8859-1"}
 128 else
 129     : ${LANG:="en_US"}
 130     : ${LANGUAGE:="en"}
 131     : ${LC_CTYPE:="en_US"}
 132     : ${LC_ALL:="en_US"}
 133 fi
 134 export LANG LANGUAGE LC_CTYPE LC_ALL
 135 unset lclist
 136
 137 # ignore backups, CVS directories, python bytecode, vim swap files
 138 FIGNORE="~:CVS:#:.pyc:.swp:.swa:apache-solr-*"
 139
 140 # history stuff
 141 HISTCONTROL=ignoreboth
 142 HISTFILESIZE=10000
 143 HISTSIZE=10000
 144
 145 # ----------------------------------------------------------------------
 146 # PAGER / EDITOR
 147 # ----------------------------------------------------------------------
 148
 149 # see what we have to work with ...
 150 HAVE_VIM=$(command -v vim)
 151
 152 # EDITOR
 153 test -n "$HAVE_VIM" &&
 154     EDITOR=vim ||
 155     EDITOR=vi
 156 export EDITOR
 157
 158 # PAGER
 159 if test -n "$(command -v less)" ; then
 160     PAGER="less"
 161     MANPAGER="less"
 162     LESS="-FiRX"
 163     export LESS
 164 else
 165     PAGER=more
 166     MANPAGER="$PAGER"
 167 fi
 168 export PAGER MANPAGER
 169
 170 # ----------------------------------------------------------------------
 171 # PROMPT
 172 # ----------------------------------------------------------------------
 173
 174 # http://en.wikipedia.org/wiki/ANSI_escape_code#graphics
 175
 176 if [ "$UID" = 0 ]; then
 177     # root
 178     PS_C1="\[\033[1;31m\]"  # red
 179     PS_C2="\[\033[0;37m\]"  # grey
 180     PS_P="#"
 181 else
 182     case "$UNAME" in
 183         Cygwin)
 184             PS_C1="\[\033[0;32m\]"  # green
 185             PS_C2="\[\033[0;37m\]"  # grey
 186             ;;
 187         Darwin)
 188             PS_C1="\[\033[1;97m\]"  # white
 189             PS_C2="\[\033[0;37m\]"  # grey
 190             ;;
 191         SunOS | AIX)
 192             PS_C1="\[\033[1;96m\]"  # cyan
 193             PS_C2="\[\033[0;36m\]"  # cyan
 194             ;;
 195         *)
 196             PS_C1="\[\033[1;93m\]"  # yellow
 197             PS_C2="\[\033[0;33m\]"  # brown
 198     esac
 199     PS_P="\$"
 200 fi
 201
 202 prompt_simple() {
 203     unset PROMPT_COMMAND
 204     PS1="[\u@\h:\w]\$ "
 205     PS2="> "
 206 }
 207
 208 prompt_compact() {
 209     unset PROMPT_COMMAND
 210     PS1="${PS_C1}${PS_P}\[\033[0m\] "
 211     PS2="> "
 212 }
 213
 214 prompt_color() {
 215     # if git and the git bash_completion scripts are installed, use __git_ps1() to show current branch info.
 216     # never show branch info for $HOME (dotfiles) repo.
 217     # use the following to exclude a given repo: `git config --local --bool --add bash.hidePrompt true`
 218     if [ -n "$(type -P git)" -a "$(type -t __git_ps1)" = "function" ]; then
 219         PS_GIT='$(test -n "$(__git_ps1 %s)" &&
 220                   test "$(git rev-parse --show-toplevel)" != "$HOME" &&
 221                   test "$(git config --bool bash.hidePrompt)" != "true" &&
 222                   __git_ps1 "{\[\033[0;40;36m\]%s\[\033[0;90m\]}")'
 223         export GIT_PS1_SHOWDIRTYSTATE=1
 224     fi
 225     PS1="\[\033[0;90m\][${PS_C1}\u@\h\[\033[0m\]\[\033[0;90m\]:${PS_C2}\w\[\033[0;90m\]]${PS_GIT}${PS_P}\[\033[0m\] "
 226     PS2="> "
 227 }
 228
 229 # ----------------------------------------------------------------------
 230 # MACOS X / DARWIN SPECIFIC
 231 # ----------------------------------------------------------------------
 232
 233 if [ "$UNAME" = Darwin ]; then
 234     # put ports on the paths if /opt/local exists
 235     test -x /opt/local -a ! -L /opt/local && {
 236         PORTS=/opt/local
 237
 238         # setup the PATH and MANPATH
 239         PATH="$PORTS/bin:$PORTS/sbin:$PATH"
 240         MANPATH="$PORTS/share/man:$MANPATH"
 241
 242         # nice little port alias
 243         alias port="sudo nice -n +18 $PORTS/bin/port"
 244     }
 245     # put coreutils on the paths if /usr/local/opt/coreutils/libexec exists
 246     test -x /usr/local/opt/coreutils/libexec -a ! -L /usr/local/opt/coreutils/libexec && {
 247         # setup the PATH and MANPATH
 248         PATH="/usr/local/opt/coreutils/libexec/gnubin:$PATH"
 249         MANPATH="/usr/local/opt/coreutils/libexec/gnuman:$MANPATH"
 250     }
 251 fi
 252
 253 # ----------------------------------------------------------------------
 254 # SOLARIS SPECIFIC
 255 # ----------------------------------------------------------------------
 256
 257 if [ "$UNAME" = SunOS ]; then
 258     # use GNU versions of core utils
 259     test -x /usr/gnu/bin/grep && alias grep="/usr/gnu/bin/grep"
 260     test -x /usr/gnu/bin/sed  && alias sed="/usr/gnu/bin/sed"
 261     test -x /usr/gnu/bin/awk  && alias awk="/usr/gnu/bin/awk"
 262     test -x /usr/xpg4/bin/sed  && alias sed="/usr/xpg4/bin/sed"
 263     test -x /usr/xpg4/bin/awk  && alias awk="/usr/xpg4/bin/awk"
 264
 265     # setup MANPATH
 266     MANPATH="/usr/share/man:/smartdc/man:/opt/smartdc/man:/opt/local/man:/opt/custom/man:$MANPATH"
 267 fi
 268
 269 # ----------------------------------------------------------------------
 270 # ALIASES / FUNCTIONS
 271 # ----------------------------------------------------------------------
 272
 273 # 'ls' helpers
 274 alias ll="ls -l"
 275 alias l.="ls -d .*"
 276 alias ll.="ls -ld .*"
 277 alias lla="ls -la"
 278
 279 # use 'git diff --no-index' as a prettier 'diff' alternative (if available)
 280 test -n "$(type -P git)" && alias diff="git diff --no-index"
 281
 282 # alias 'vi' to 'vim' if Vim is installed
 283 vim="$(type -P vim)"
 284 test -n "$vim" && {
 285     alias vi='vim'
 286 }
 287 unset vim
 288
 289 # disk usage with human sizes and minimal depth
 290 alias du1='du -h --max-depth=1'
 291 alias fn='find . -name'
 292 alias hi='history | tail -20'
 293
 294 # alias csh-style "rebash" to bash equivalent
 295 alias rehash="hash -r"
 296
 297 # set 'screen' window title
 298 settitle_screen() {
 299     printf "\033k%s\033\\" "$@"
 300 }
 301 # set 'xterm' window title
 302 settitle_window() {
 303     printf "\033]0;%s\007" "$@"
 304 }
 305
 306 # svn-wrapper
 307 alias svn=svn-wrapper
 308
 309 # ----------------------------------------------------------------------
 310 # BASH COMPLETION
 311 # ----------------------------------------------------------------------
 312
 313 test -z "$BASH_COMPLETION" && {
 314     bash=${BASH_VERSION%.*}; bmajor=${bash%.*}; bminor=${bash#*.}
 315     test -n "$PS1" && test $bmajor -gt 1 && {
 316         # search for a bash_completion file to source
 317         for f in /usr/local/etc/bash_completion \
 318                  /usr/pkg/etc/bash_completion \
 319                  /opt/local/etc/bash_completion \
 320                  /etc/bash_completion \
 321                  /etc/bash/bash_completion
 322         do
 323             test -f $f && {
 324                 . $f
 325                 break
 326             }
 327         done
 328     }
 329     unset bash bmajor bminor
 330 }
 331
 332 # restore some key environment variables which may have been unset
 333 # by bash_completion script
 334 : ${HOME=~}
 335 : ${LOGNAME=$(id -un)}
 336 : ${UNAME=$(uname)}
 337
 338 # override and disable tilde expansion
 339 _expand() {
 340     return 0
 341 }
 342
 343 # ----------------------------------------------------------------------
 344 # LS AND DIRCOLORS
 345 # ----------------------------------------------------------------------
 346
 347 # we always pass these to ls(1)
 348 LS_COMMON="-p"
 349
 350 # if the dircolors utility is available, set that up for ls
 351 dircolors="$(type -P gdircolors dircolors | head -1)"
 352 test -n "$dircolors" && {
 353     COLORS=/etc/DIR_COLORS
 354     test -e "/etc/DIR_COLORS.$TERM"   && COLORS="/etc/DIR_COLORS.$TERM"
 355     test -e "$HOME/.dircolors"        && COLORS="$HOME/.dircolors"
 356     test ! -e "$COLORS"               && COLORS=
 357     # AIX (vx-track) has dircolors(1) but ls(1) doesn't support --color arg
 358     test "$UNAME" = "AIX"             && COLORS=
 359     eval `$dircolors --sh $COLORS`
 360 }
 361 unset dircolors
 362
 363 # enable color ls output if available
 364 test -n "$COLORS" &&
 365     LS_COMMON="--color=auto $LS_COMMON"
 366
 367 # setup the main ls alias if we've established common args
 368 test -n "$LS_COMMON" &&
 369     alias ls="command ls $LS_COMMON"
 370
 371 # setup color grep output if available
 372 if [ -n "$COLORS" ]; then
 373     case "$UNAME" in
 374         "SunOS")
 375             test -x /usr/gnu/bin/grep && alias grep="/usr/gnu/bin/grep --color=always"
 376             test -x /opt/local/bin/grep && alias grep="/opt/local/bin/grep --color=always"
 377             ;;
 378         *)
 379             alias grep="command grep --color=always"
 380             ;;
 381     esac
 382     # older versions of grep only support a singular highlight color
 383     export GREP_COLOR='1;37;42'
 384     # newer versions of grep have more flexible color configuration
 385     export GREP_COLORS='fn=36:ln=1;33:ms=1;37;42'
 386 fi
 387
 388 # --------------------------------------------------------------------
 389 # MISC COMMANDS
 390 # --------------------------------------------------------------------
 391
 392 # push SSH public key to another box
 393 push_ssh_cert() {
 394     local _host
 395     test -f ~/.ssh/id_rsa.pub || ssh-keygen -t rsa -b 4096
 396     for _host in "$@";
 397     do
 398         echo $_host
 399         ssh $_host 'cat >> ~/.ssh/authorized_keys' < ~/.ssh/id_rsa.pub
 400     done
 401 }
 402
 403 # --------------------------------------------------------------------
 404 # PATH MANIPULATION FUNCTIONS
 405 # --------------------------------------------------------------------
 406
 407 # Usage: pls [<var>]
 408 # List path entries of PATH or environment variable <var>.
 409 pls () { eval echo \$${1:-PATH} |tr : '\n'; }
 410
 411 # Usage: pshift [-n <num>] [<var>]
 412 # Shift <num> entries off the front of PATH or environment var <var>.
 413 # with the <var> option. Useful: pshift $(pwd)
 414 pshift () {
 415     local n=1
 416     [ "$1" = "-n" ] && { n=$(( $2 + 1 )); shift 2; }
 417     eval "${1:-PATH}='$(pls |tail -n +$n |tr '\n' :)'"
 418 }
 419
 420 # Usage: ppop [-n <num>] [<var>]
 421 # Pop <num> entries off the end of PATH or environment variable <var>.
 422 ppop () {
 423     local n=1 i=0
 424     [ "$1" = "-n" ] && { n=$2; shift 2; }
 425     while [ $i -lt $n ]
 426     do eval "${1:-PATH}='\${${1:-PATH}%:*}'"
 427        i=$(( i + 1 ))
 428     done
 429 }
 430
 431 # Usage: prm <path> [<var>]
 432 # Remove <path> from PATH or environment variable <var>.
 433 prm () { eval "${2:-PATH}='$(pls $2 |grep -v "^$1\$" |tr '\n' :)'"; }
 434
 435 # Usage: punshift <path> [<var>]
 436 # Shift <path> onto the beginning of PATH or environment variable <var>.
 437 punshift () { eval "${2:-PATH}='$1:$(eval echo \$${2:-PATH})'"; }
 438
 439 # Usage: ppush <path> [<var>]
 440 ppush () { eval "${2:-PATH}='$(eval echo \$${2:-PATH})':$1"; }
 441
 442 # Usage: puniq [<path>]
 443 # Remove duplicate entries from a PATH style value while retaining
 444 # the original order. Use PATH if no <path> is given.
 445 #
 446 # Example:
 447 #   $ puniq /usr/bin:/usr/local/bin:/usr/bin
 448 #   /usr/bin:/usr/local/bin
 449 puniq () {
 450     echo "$1" | tr : '\n' | nl | sort -u -k 2,2 | sort -n |
 451     cut -f 2- | tr '\n' :
 452 }
 453
 454 # -------------------------------------------------------------------
 455 # USER SHELL ENVIRONMENT
 456 # -------------------------------------------------------------------
 457
 458 # source ~/.shenv now if it exists
 459 test -r ~/.shenv &&
 460     . ~/.shenv
 461
 462 # condense PATH entries
 463 PATH=$(puniq "$PATH")
 464 MANPATH=$(puniq "$MANPATH")
 465
 466 # use the color prompt by default when interactive
 467 test -n "$PS1" &&
 468     prompt_color
 469
 470 # fzf
 471 export FZF_DEFAULT_COMMAND='rg --files --no-ignore --hidden --follow -g "!{.git,node_modules,*.swp,.venv}/*" 2> /dev/null'
 472 export FZF_DEFAULT_OPTS='--bind J:down,K:up --reverse --ansi --multi'
 473
 474 # -------------------------------------------------------------------
 475 # MOTD / FORTUNE
 476 # -------------------------------------------------------------------
 477
 478 test -n "$INTERACTIVE" -a -n "$LOGIN" && {
 479     # get current uname and uptime (if exists on this host)
 480     # strip any leading whitespace from uname and uptime commands
 481     t_uname="$(test -n "`type -P uname`" && uname -npsr | sed -e 's/^\s+//')"
 482     t_uptime="$(test -n "`type -P uptime`" && uptime | sed -e 's/^\s+//')"
 483     if [ -n "$t_uname" ] || [ -n "$t_uptime" ]; then
 484         echo " --"
 485         test -n "$t_uname" && echo $t_uname
 486         test -n "$t_uptime" && echo $t_uptime
 487         echo " --"
 488     fi
 489     unset t_uname t_uptime
 490 }
 491
 492 # vim: ts=4 sts=4 shiftwidth=4 expandtab
 493 # vim: foldmethod=expr foldexpr=autofolds#foldexpr(v\:lnum,'sh') foldtext=autofolds#foldtext() foldlevel=2