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