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