.bashrc

   1 #!/bin/bash
   2 # ~/.bashrc: executed by bash(1) for non-login shells.
   3 # A basically sane bash environment.
   4
   5 # ----------------------------------------------------------------------
   6 #  BASICS
   7 # ----------------------------------------------------------------------
   8
   9 # short-circuit for non-interactive sessions
  10 [ -z "$PS1" ] && return
  11
  12 # the basics
  13 PATH="/usr/local/bin:/bin:/usr/bin:/usr/sbin:/usr/local/sbin:/sbin:$PATH"
  14 : ${HOME=~}
  15 : ${LOGNAME=$(id -un)}
  16 : ${UNAME=$(uname)}
  17 # strip OS type and version under Cygwin (e.g. CYGWIN_NT-5.1 => Cygwin)
  18 UNAME=${UNAME/CYGWIN_*/Cygwin}
  19
  20 # complete hostnames from this file
  21 HOSTFILE=~/.ssh/known_hosts
  22
  23 # readline config
  24 INPUTRC=~/.inputrc
  25
  26 # if current $TERM isn't valid, fall-back to TERM=xterm-color or TERM=xterm
  27 case $(tput colors 2>&1) in
  28     tput* )
  29         export TERM=xterm-color
  30         case $(tput colors 2>&1) in
  31             tput* )
  32                 export TERM=xterm
  33                 ;;
  34         esac
  35         ;;
  36 esac
  37
  38 # ----------------------------------------------------------------------
  39 #  SHELL OPTIONS
  40 # ----------------------------------------------------------------------
  41
  42 # notify of bg job completion immediately
  43 set -o notify
  44
  45 # shell opts. see bash(1) for details
  46 shopt -s cdspell >/dev/null 2>&1
  47 shopt -s checkjobs >/dev/null 2>&1
  48 shopt -s checkwinsize >/dev/null 2>&1
  49 shopt -s extglob >/dev/null 2>&1
  50 shopt -s histappend >/dev/null 2>&1
  51 shopt -s hostcomplete >/dev/null 2>&1
  52 shopt -s interactive_comments >/dev/null 2>&1
  53 shopt -u mailwarn >/dev/null 2>&1
  54 shopt -s no_empty_cmd_completion >/dev/null 2>&1
  55
  56 # don't check for new mail
  57 unset MAILCHECK
  58
  59 # disable core dumps
  60 ulimit -S -c 0
  61
  62 # default umask
  63 umask 0022
  64
  65 # ----------------------------------------------------------------------
  66 # PATH
  67 # ----------------------------------------------------------------------
  68
  69 # make sure $MANPATH has some sane defaults
  70 : ${MANPATH="/usr/share/man"}
  71 test -d "/usr/share/man" && MANPATH="/usr/share/man:$MANPATH"
  72
  73 # include the various sbin's along with /usr/local/bin
  74 PATH="$PATH:/usr/local/sbin:/usr/sbin:/sbin"
  75 PATH="/usr/local/bin:$PATH"
  76
  77 # use $HOME specific bin and sbin
  78 test -d "$HOME/bin" && PATH="$HOME/bin:$PATH"
  79 test -d "$HOME/sbin" && PATH="$HOME/sbin:$PATH"
  80
  81 # SmartOS pkgin
  82 test -d "/opt/local" && PATH="/opt/local/sbin:/opt/local/bin:$PATH"
  83 test -d "/opt/local/man" && MANPATH="/opt/local/man:$MANPATH"
  84 # SmartOS local files
  85 test -d "/opt/custom" && PATH="/opt/custom/sbin:/opt/custom/bin:$PATH"
  86 test -d "/opt/custom/man" && MANPATH="/opt/custom/man:$MANPATH"
  87 # SmartOS SDC
  88 test -d "/smartdc" && PATH="/smartdc/bin:/opt/smartdc/bin:/opt/smartdc/agents/bin:$PATH"
  89 test -d "/smartdc/man" && MANPATH="/smartdc/man:$MANPATH"
  90 # SmartOS native binaries, for OS/LX zones
  91 test -d "/native" && PATH="$PATH:/native/usr/sbin:/native/usr/bin:/native/sbin:/native/bin"
  92 test -d "/native/usr/share/man" && MANPATH="$MANPATH:/native/usr/share/man"
  93
  94 # RVM
  95 test -d "$HOME/.rvm/bin" && PATH="$PATH:$HOME/.rvm/bin"
  96
  97 # setup $GOPATH
  98 test -d "/usr/local/share/golang" && export GOPATH=/usr/local/share/golang
  99 test -n "$GOPATH" && PATH="$PATH:$GOPATH/bin"
 100
 101 # ----------------------------------------------------------------------
 102 # ENVIRONMENT CONFIGURATION
 103 # ----------------------------------------------------------------------
 104
 105 # detect interactive shell
 106 case "$-" in
 107     *i*) INTERACTIVE=yes ;;
 108     *)   unset INTERACTIVE ;;
 109 esac
 110
 111 # detect login shell
 112 case "$0" in
 113    -*) LOGIN=yes ;;
 114    *)  unset LOGIN ;;
 115 esac
 116
 117 # setup locale. Try to enable en_US locale w/ utf-8 encodings
 118 # (if not already configured), but do graceful fall-back.
 119 lclist=$(locale -a | grep en_US)
 120 if test -n "$(echo $lclist | grep UTF-8)"; then
 121     : ${LANG:="en_US.UTF-8"}
 122     : ${LANGUAGE:="en"}
 123     : ${LC_CTYPE:="en_US.UTF-8"}
 124     : ${LC_ALL:="en_US.UTF-8"}
 125 elif test -n "$(echo $lclist | grep utf8)"; then
 126     : ${LANG:="en_US.utf8"}
 127     : ${LANGUAGE:="en"}
 128     : ${LC_CTYPE:="en_US.utf8"}
 129     : ${LC_ALL:="en_US.utf8"}
 130 elif test -n "$(echo $lclist | grep ISO8859-1)"; then
 131     : ${LANG:="en_US.ISO8859-1"}
 132     : ${LANGUAGE:="en"}
 133     : ${LC_CTYPE:="en_US.ISO8859-1"}
 134     : ${LC_ALL:="en_US.ISO8859-1"}
 135 else
 136     : ${LANG:="en_US"}
 137     : ${LANGUAGE:="en"}
 138     : ${LC_CTYPE:="en_US"}
 139     : ${LC_ALL:="en_US"}
 140 fi
 141 export LANG LANGUAGE LC_CTYPE LC_ALL
 142 unset lclist
 143
 144 # ignore backups, CVS directories, python bytecode, vim swap files
 145 FIGNORE="~:CVS:#:.pyc:.swp:.swa:apache-solr-*"
 146
 147 # history stuff
 148 HISTCONTROL=ignoreboth
 149 HISTFILESIZE=10000
 150 HISTSIZE=10000
 151
 152 # ----------------------------------------------------------------------
 153 # PAGER / EDITOR
 154 # ----------------------------------------------------------------------
 155
 156 # see what we have to work with ...
 157 HAVE_VIM=$(command -v vim)
 158
 159 # EDITOR
 160 test -n "$HAVE_VIM" &&
 161     EDITOR=vim ||
 162     EDITOR=vi
 163 export EDITOR
 164
 165 # PAGER
 166 if test -n "$(command -v less)" ; then
 167     PAGER="less"
 168     MANPAGER="less"
 169     LESS="-FiRX"
 170     export LESS
 171 else
 172     PAGER=more
 173     MANPAGER="$PAGER"
 174 fi
 175 export PAGER MANPAGER
 176
 177 # ----------------------------------------------------------------------
 178 # PROMPT
 179 # ----------------------------------------------------------------------
 180
 181 # http://en.wikipedia.org/wiki/ANSI_escape_code#graphics
 182
 183 if [ "$UID" = 0 ]; then
 184     # root
 185     PS_C1="\[\033[1;31m\]"  # red
 186     PS_C2="\[\033[0;37m\]"  # grey
 187     PS_P="#"
 188 else
 189     case "$UNAME" in
 190         Cygwin)
 191             PS_C1="\[\033[0;32m\]"  # green
 192             PS_C2="\[\033[0;37m\]"  # grey
 193             ;;
 194         Darwin)
 195             PS_C1="\[\033[1;97m\]"  # white
 196             PS_C2="\[\033[0;37m\]"  # grey
 197             ;;
 198         SunOS | AIX)
 199             PS_C1="\[\033[1;96m\]"  # cyan
 200             PS_C2="\[\033[0;36m\]"  # cyan
 201             ;;
 202         *)
 203             PS_C1="\[\033[1;93m\]"  # yellow
 204             PS_C2="\[\033[0;33m\]"  # brown
 205     esac
 206     PS_P="\$"
 207 fi
 208
 209 prompt_simple() {
 210     unset PROMPT_COMMAND
 211     PS1="[\u@\h:\w]\$ "
 212     PS2="> "
 213 }
 214
 215 prompt_compact() {
 216     unset PROMPT_COMMAND
 217     PS1="${PS_C1}${PS_P}\[\033[0m\] "
 218     PS2="> "
 219 }
 220
 221 prompt_color() {
 222     # if git and the git bash_completion scripts are installed, use __git_ps1() to show current branch info.
 223     # never show branch info for $HOME (dotfiles) repo.
 224     # use the following to exclude a given repo: `git config --local --bool --add bash.hidePrompt true`
 225     if [ -n "$(type -P git)" -a "$(type -t __git_ps1)" = "function" ]; then
 226         PS_GIT='$(test -n "$(__git_ps1 %s)" &&
 227                   test "$(git rev-parse --show-toplevel)" != "$HOME" &&
 228                   test "$(git config --bool bash.hidePrompt)" != "true" &&
 229                   __git_ps1 "{\[\033[0;40;36m\]%s\[\033[0;90m\]}")'
 230         export GIT_PS1_SHOWDIRTYSTATE=1
 231     fi
 232     PS1="\[\033[0;90m\][${PS_C1}\u@\h\[\033[0m\]\[\033[0;90m\]:${PS_C2}\w\[\033[0;90m\]]${PS_GIT}${PS_P}\[\033[0m\] "
 233     PS2="> "
 234 }
 235
 236 # ----------------------------------------------------------------------
 237 # MACOS X / DARWIN SPECIFIC
 238 # ----------------------------------------------------------------------
 239
 240 if [ "$UNAME" = Darwin ]; then
 241     # put ports on the paths if /opt/local exists
 242     test -x /opt/local -a ! -L /opt/local && {
 243         PORTS=/opt/local
 244
 245         # setup the PATH and MANPATH
 246         PATH="$PORTS/bin:$PORTS/sbin:$PATH"
 247         MANPATH="$PORTS/share/man:$MANPATH"
 248
 249         # nice little port alias
 250         alias port="sudo nice -n +18 $PORTS/bin/port"
 251     }
 252     # put coreutils on the paths if /usr/local/opt/coreutils/libexec exists
 253     test -x /usr/local/opt/coreutils/libexec -a ! -L /usr/local/opt/coreutils/libexec && {
 254         # setup the PATH and MANPATH
 255         PATH="/usr/local/opt/coreutils/libexec/gnubin:$PATH"
 256         MANPATH="/usr/local/opt/coreutils/libexec/gnuman:$MANPATH"
 257     }
 258 fi
 259
 260 # ----------------------------------------------------------------------
 261 # SOLARIS SPECIFIC
 262 # ----------------------------------------------------------------------
 263
 264 if [ "$UNAME" = SunOS ]; then
 265     # use GNU versions of core utils
 266     test -x /usr/gnu/bin/grep && alias grep="/usr/gnu/bin/grep"
 267     test -x /usr/gnu/bin/sed  && alias sed="/usr/gnu/bin/sed"
 268     test -x /usr/gnu/bin/awk  && alias awk="/usr/gnu/bin/awk"
 269     test -x /usr/xpg4/bin/sed  && alias sed="/usr/xpg4/bin/sed"
 270     test -x /usr/xpg4/bin/awk  && alias awk="/usr/xpg4/bin/awk"
 271 fi
 272
 273 # ----------------------------------------------------------------------
 274 # ALIASES / FUNCTIONS
 275 # ----------------------------------------------------------------------
 276
 277 # 'ls' helpers
 278 alias ll="ls -l"
 279 alias l.="ls -d .*"
 280 alias ll.="ls -ld .*"
 281 alias lla="ls -la"
 282
 283 # use 'git diff --no-index' as a prettier 'diff' alternative (if available)
 284 test -n "$(type -P git)" && alias diff="git diff --no-index"
 285
 286 # alias 'vi' to 'vim' if Vim is installed
 287 vim="$(type -P vim)"
 288 test -n "$vim" && {
 289     alias vi='vim'
 290 }
 291 unset vim
 292
 293 # disk usage with human sizes and minimal depth
 294 alias du1='du -h --max-depth=1'
 295 alias fn='find . -name'
 296 alias hi='history | tail -20'
 297
 298 # alias csh-style "rebash" to bash equivalent
 299 alias rehash="hash -r"
 300
 301 # set 'screen' window title
 302 settitle_screen() {
 303     printf "\033k%s\033\\" "$@"
 304 }
 305 # set 'xterm' window title
 306 settitle_window() {
 307     printf "\033]0;%s\007" "$@"
 308 }
 309
 310 # svn-wrapper
 311 alias svn=svn-wrapper
 312
 313 # ----------------------------------------------------------------------
 314 # BASH COMPLETION
 315 # ----------------------------------------------------------------------
 316
 317 test -z "$BASH_COMPLETION" && {
 318     bash=${BASH_VERSION%.*}; bmajor=${bash%.*}; bminor=${bash#*.}
 319     test -n "$PS1" && test $bmajor -gt 1 && {
 320         # search for a bash_completion file to source
 321         for f in /usr/local/etc/bash_completion \
 322                  /usr/pkg/etc/bash_completion \
 323                  /opt/local/etc/bash_completion \
 324                  /etc/bash_completion \
 325                  /etc/bash/bash_completion
 326         do
 327             test -f $f && {
 328                 . $f
 329                 break
 330             }
 331         done
 332     }
 333     unset bash bmajor bminor
 334 }
 335
 336 # restore some key environment variables which may have been unset
 337 # by bash_completion script
 338 : ${HOME=~}
 339 : ${LOGNAME=$(id -un)}
 340 : ${UNAME=$(uname)}
 341
 342 # override and disable tilde expansion
 343 _expand() {
 344     return 0
 345 }
 346
 347 # ----------------------------------------------------------------------
 348 # LS AND DIRCOLORS
 349 # ----------------------------------------------------------------------
 350
 351 # we always pass these to ls(1)
 352 LS_COMMON="-p"
 353
 354 # if the dircolors utility is available, set that up for ls
 355 dircolors="$(type -P gdircolors dircolors | head -1)"
 356 test -n "$dircolors" && {
 357     COLORS=/etc/DIR_COLORS
 358     test -e "/etc/DIR_COLORS.$TERM"   && COLORS="/etc/DIR_COLORS.$TERM"
 359     test -e "$HOME/.dircolors"        && COLORS="$HOME/.dircolors"
 360     test ! -e "$COLORS"               && COLORS=
 361     # AIX (vx-track) has dircolors(1) but ls(1) doesn't support --color arg
 362     test "$UNAME" = "AIX"             && COLORS=
 363     eval `$dircolors --sh $COLORS`
 364 }
 365 unset dircolors
 366
 367 # enable color ls output if available
 368 test -n "$COLORS" &&
 369     LS_COMMON="--color=auto $LS_COMMON"
 370
 371 # setup the main ls alias if we've established common args
 372 test -n "$LS_COMMON" &&
 373     alias ls="command ls $LS_COMMON"
 374
 375 # setup color grep output if available
 376 if [ -n "$COLORS" ]; then
 377     case "$UNAME" in
 378         "SunOS")
 379             test -x /usr/gnu/bin/grep && alias grep="/usr/gnu/bin/grep --color=always"
 380             test -x /opt/local/bin/grep && alias grep="/opt/local/bin/grep --color=always"
 381             ;;
 382         *)
 383             alias grep="command grep --color=always"
 384             ;;
 385     esac
 386     # older versions of grep only support a singular highlight color
 387     export GREP_COLOR='1;37;42'
 388     # newer versions of grep have more flexible color configuration
 389     export GREP_COLORS='fn=36:ln=1;33:ms=1;37;42'
 390 fi
 391
 392 # --------------------------------------------------------------------
 393 # MISC COMMANDS
 394 # --------------------------------------------------------------------
 395
 396 # push SSH public key to another box
 397 push_ssh_cert() {
 398     local _host
 399     test -f ~/.ssh/id_rsa.pub || ssh-keygen -t rsa -b 4096
 400     for _host in "$@";
 401     do
 402         echo $_host
 403         ssh $_host 'cat >> ~/.ssh/authorized_keys' < ~/.ssh/id_rsa.pub
 404     done
 405 }
 406
 407 # --------------------------------------------------------------------
 408 # PATH MANIPULATION FUNCTIONS
 409 # --------------------------------------------------------------------
 410
 411 # Usage: pls [<var>]
 412 # List path entries of PATH or environment variable <var>.
 413 pls () { eval echo \$${1:-PATH} |tr : '\n'; }
 414
 415 # Usage: pshift [-n <num>] [<var>]
 416 # Shift <num> entries off the front of PATH or environment var <var>.
 417 # with the <var> option. Useful: pshift $(pwd)
 418 pshift () {
 419     local n=1
 420     [ "$1" = "-n" ] && { n=$(( $2 + 1 )); shift 2; }
 421     eval "${1:-PATH}='$(pls |tail -n +$n |tr '\n' :)'"
 422 }
 423
 424 # Usage: ppop [-n <num>] [<var>]
 425 # Pop <num> entries off the end of PATH or environment variable <var>.
 426 ppop () {
 427     local n=1 i=0
 428     [ "$1" = "-n" ] && { n=$2; shift 2; }
 429     while [ $i -lt $n ]
 430     do eval "${1:-PATH}='\${${1:-PATH}%:*}'"
 431        i=$(( i + 1 ))
 432     done
 433 }
 434
 435 # Usage: prm <path> [<var>]
 436 # Remove <path> from PATH or environment variable <var>.
 437 prm () { eval "${2:-PATH}='$(pls $2 |grep -v "^$1\$" |tr '\n' :)'"; }
 438
 439 # Usage: punshift <path> [<var>]
 440 # Shift <path> onto the beginning of PATH or environment variable <var>.
 441 punshift () { eval "${2:-PATH}='$1:$(eval echo \$${2:-PATH})'"; }
 442
 443 # Usage: ppush <path> [<var>]
 444 ppush () { eval "${2:-PATH}='$(eval echo \$${2:-PATH})':$1"; }
 445
 446 # Usage: puniq [<path>]
 447 # Remove duplicate entries from a PATH style value while retaining
 448 # the original order. Use PATH if no <path> is given.
 449 #
 450 # Example:
 451 #   $ puniq /usr/bin:/usr/local/bin:/usr/bin
 452 #   /usr/bin:/usr/local/bin
 453 puniq () {
 454     echo "$1" | tr : '\n' | nl | sort -u -k 2,2 | sort -n |
 455     cut -f 2- | tr '\n' :
 456 }
 457
 458 # -------------------------------------------------------------------
 459 # USER SHELL ENVIRONMENT
 460 # -------------------------------------------------------------------
 461
 462 # source ~/.shenv now if it exists
 463 test -r ~/.shenv &&
 464     . ~/.shenv
 465
 466 # condense PATH entries
 467 PATH=$(puniq "$PATH")
 468 MANPATH=$(puniq "$MANPATH")
 469
 470 # use the color prompt by default when interactive
 471 test -n "$PS1" &&
 472     prompt_color
 473
 474 # fzf
 475 export FZF_DEFAULT_COMMAND='rg --files --no-ignore --hidden --follow -g "!{.git,node_modules,*.swp,.venv}/*" 2> /dev/null'
 476 export FZF_DEFAULT_OPTS='--bind J:down,K:up --reverse --ansi --multi'
 477
 478 # -------------------------------------------------------------------
 479 # MOTD / FORTUNE
 480 # -------------------------------------------------------------------
 481
 482 test -n "$INTERACTIVE" -a -n "$LOGIN" && {
 483     # get current uname and uptime (if exists on this host)
 484     # strip any leading whitespace from uname and uptime commands
 485     t_uname="$(test -n "`type -P uname`" && uname -npsr | sed -e 's/^\s+//')"
 486     t_uptime="$(test -n "`type -P uptime`" && uptime | sed -e 's/^\s+//')"
 487     if [ -n "$t_uname" ] || [ -n "$t_uptime" ]; then
 488         echo " --"
 489         test -n "$t_uname" && echo $t_uname
 490         test -n "$t_uptime" && echo $t_uptime
 491         echo " --"
 492     fi
 493     unset t_uname t_uptime
 494 }
 495
 496 # vim: ts=4 sts=4 shiftwidth=4 expandtab
 497 # vim: foldmethod=expr foldexpr=autofolds#foldexpr(v\:lnum,'sh') foldtext=autofolds#foldtext() foldlevel=2