iankelling.org Git - distro-setup/blob - .bashrc

   1 # to debug
   2 #set -x
   3 # redirect output to log file
   4 #exec 1>/a/tmp/bashlog
   5 #exec 2>/a/tmp/bashlog
   6
   7
   8 # By default this file is sourced for all ssh commands. This is wonky.
   9 # Normally, this file is not sourced when a script is run, and it would be much
  10 # better and more consistent if that also happened when when running a script
  11 # over ssh. so here we test for conditions of a script under ssh and return if
  12 # so.  we can override with ssh -t which sets $SSH_TTY, which we can detect
  13 if [[ $SSH_CONNECTION ]] \
  14    && [[ $- == *c* ]] \
  15    && [[ ! $SSH_TTY ]] \
  16    && [[ $- != *i* ]]; then
  17     return
  18 fi
  19
  20 # Side note on ssh. Command lines and env variables sent across ssh are strictly limited.
  21 # If we did want to easily pass info, we could override an obscure unused LC_var
  22 # Or we could set SendEnv and AcceptEnv ssh vars, or we could transfer a file.
  23
  24
  25
  26 ###################
  27 ## include files ###
  28 ###################
  29
  30 for x in $HOME/bin/bash-programs-by-ian/repos/*/*-function; do
  31     source "$x"
  32 done
  33
  34 source $HOME/bin/semi-private # so I can share my bashrc
  35 source $HOME/path_add-function
  36
  37
  38
  39
  40 ############
  41 # settings #
  42 ############
  43
  44 CDPATH=.:/a
  45
  46 # remove gnome keyring warning messages
  47 # there is probably a more proper way, but I didn't find any easily on google
  48 unset GNOME_KEYRING_CONTROL
  49
  50 path_add /a/opt/adt-bundle*/tools /a/opt/adt-bundle*/platform-tools
  51
  52 #use extra globing features. See man bash, search extglob.
  53 shopt -s extglob
  54 #include .files when globbing.
  55 shopt -s dotglob
  56
  57 # disabled because it is broken with bash_completion package. It is a known bug they hope to fix.
  58 # When a glob expands to nothing, make it an empty string instead of the literal characters.
  59 # shopt -s nullglob
  60
  61 # make tab on an empty line do nothing
  62 shopt -s no_empty_cmd_completion
  63
  64
  65 # advanced completion
  66 # http://bash-completion.alioth.debian.org/
  67 # i was using the git version for a while for a bug fix.
  68 # it's made it into distros now
  69 # usually this is sourced by the system already,
  70 # but I check just incase
  71 if ! type _init_completion &> /dev/null && [[ -r "/usr/share/bash-completion/bash_completion" ]]; then
  72     . /usr/share/bash-completion/bash_completion
  73 fi
  74
  75 # fix spelling errors for cd, only in interactive shell
  76 shopt -s cdspell
  77 # append history instead of overwritting it
  78 shopt -s histappend
  79 # for compatibility, per gentoo/debian bashrc
  80 shopt -s checkwinsize
  81 # attempt to save multiline single commands as single history entries.
  82 shopt -s cmdhist
  83
  84 # inside emacs fixes
  85 if [[ $INSIDE_EMACS ]]; then
  86     export INSIDE_EMACS
  87     export PAGER=cat
  88     export MANPAGER=cat
  89     # for readline-complete.el
  90     stty echo
  91 else
  92     # terminal keys: C-c, C-z. the rest defined by stty -a are, at least in
  93     # gnome-terminal, overridden by bash, or disabled by the system
  94     stty werase undef lnext undef stop undef start undef
  95 fi
  96
  97
  98 if [[ $- == *i* ]]; then
  99     # for readline-complete.el
 100     if [[ $INSIDE_EMACS ]]; then
 101         bind 'set horizontal-scroll-mode on'
 102         bind 'set print-completions-horizontally on'
 103         bind '"\C-i": self-insert'
 104     else
 105         # arrow keys. for other terminals, see http://unix.stackexchange.com/questions/10806/how-to-change-previous-next-word-shortcut-in-bash
 106         if [[ $TERM == "xterm" ]]; then
 107             bind '"\e[1;5C": shell-forward-word' 2>/dev/null
 108             bind '"\e[1;5D": shell-backward-word' 2>/dev/null
 109         else
 110             bind '"\eOc": shell-forward-word'
 111             bind '"\eOd": shell-backward-word'
 112         fi
 113     fi
 114
 115 fi
 116
 117
 118 # history number. History expansion is good.
 119 PS4='$LINENO+ '
 120 # history file size limit, set to unlimited.
 121 # this needs to be different from the default because
 122 # default HISTFILESIZE is 500 and could clobber our history
 123 HISTFILESIZE=
 124 # max commands 1 session can append/read from history
 125 HISTSIZE=100000
 126 # my own history size limit based on lines
 127 HISTFILELINES=1000000
 128 HISTFILE=$HOME/.bh
 129 # the time format display when doing the history command
 130 # also, setting this makes the history file record time
 131 # of each command as seconds from the epoch
 132 HISTTIMEFORMAT="%I:%M %p %m/%d "
 133 # consecutive duplicate lines don't go in history
 134 HISTCONTROL=ignoredups
 135 # just defensively unsetting this
 136 # this var can replace HISTCONTROL to do more flexible things like
 137 # not saving single char history items or specific names
 138 unset HISTIGNORE
 139
 140 export BC_LINE_LENGTH=0
 141
 142 path_add /a/opt/adt-bundle*/tools /a/opt/adt-bundle*/platform-tools
 143 path_add $HOME/bin/bash-programs-by-ian/utils
 144 # note, if I use a machine I don't want files readable by all users, set
 145 # umask 077  # If fewer than 4 digits are entered, leading zeros are assumed
 146
 147 C_DEFAULT_DIR=/a
 148
 149
 150
 151
 152 ###############
 153 ### aliases ###
 154 ###############
 155
 156 if [[ $- == *i* ]]; then
 157     alias cp='cp -i'
 158     alias mv='mv -i'
 159 fi
 160
 161 # remove any default aliases for these
 162 alias ls > /dev/null 2>&1 && unalias ls
 163 alias ll > /dev/null 2>&1 && unalias ll
 164 alias grep > /dev/null 2>&1 && unalias grep
 165
 166
 167 mkdir() {
 168     command mkdir -p "$@"
 169 }
 170
 171
 172 alias d='builtin bg'
 173 complete -A stopped -P '"%' -S '"' d
 174
 175 alias his='history'
 176
 177
 178 # note: gksudo is recommended for X apps because it does not set the
 179 # home directory to the same.
 180
 181 if [[ $- == *i* ]]; then
 182     # extra space at the end allows aliases to work
 183     alias s='SUDOD="$PWD" sudo -i '
 184 else
 185     s() {
 186         if [[ $EUID != 0 || $1 == -* ]]; then
 187             local SUDOD="$PWD"
 188             sudo -i "$@"
 189         else
 190             "$@"
 191         fi
 192     }
 193 fi
 194
 195
 196
 197 if [[ $OS == Windows_NT ]]; then
 198     alias ffs='cygstart "/c/Program Files (x86)/Mozilla Firefox/firefox.exe" -P scratch'
 199     export DISPLAY=nt
 200     alias j='command cygpath'
 201     alias t='command cygstart'
 202     alias cygstart='echo be quick, use the alias "t" instead :\)'
 203     alias cygpath='echo be quick, use the alias "j" instead :\)'
 204
 205 fi
 206
 207
 208 #####################
 209 ###  functions   ####
 210 #####################
 211
 212
 213
 214 a() {
 215     beet "${@}"
 216 }
 217
 218
 219 t() {
 220     trash-put "$@"
 221 }
 222
 223
 224 if type ack-grep >/dev/null 2>&1; then
 225     alias ack=ack-grep
 226 fi
 227
 228
 229 gr() {
 230     grep -i --binary-files=without-match --color=auto "$@"
 231 }
 232
 233 grr() {
 234     grep -ri --binary-files=without-match --color=auto "$@"
 235 }
 236
 237
 238
 239
 240 calc() { echo "scale=3; $*" | bc -l; }
 241
 242
 243 # makes it so chown -R symlink affects the symlink and its target.
 244 chown() {
 245     if [[ $1 == -R ]]; then
 246         shift
 247         command chown -h "$@"
 248         command chown "$@"
 249         command chown -RH "$@"
 250     else
 251         command chown "$@"
 252     fi
 253 }
 254
 255
 256
 257 cgpl ()
 258 {
 259     if [[ $# == 0 ]]; then
 260         cp /a/bin/data/COPYING .
 261     else
 262         cp /a/bin/data/COPYING "$@"
 263     fi
 264 }
 265
 266
 267 dc() {
 268     diff --strip-trailing-cr -w "$@"   # diff content
 269 }
 270
 271
 272 distro_name() {
 273     if [[ -f /etc/fedora-release ]]; then
 274         echo fedora
 275     else
 276         grep "^ID=.*" /etc/os-release | sed 's/^ID=//'
 277     fi
 278 }
 279
 280
 281 dt() {
 282     date "+%A, %B %d, %r" "$@"
 283 }
 284
 285
 286 e() { echo "$@"; }
 287
 288
 289 envload() { # load environment from a previous: export > file
 290     local file=${1:-$HOME/.${USER}_env}
 291     eval "$(export | sed 's/^declare -x/export -n/')"
 292     while IFS= read -r line; do
 293         # declare -x makes variables local to a function
 294         eval ${line/#declare -x/export}
 295     done < "$file"
 296 }
 297
 298
 299
 300 # havn't tested these:
 301 #file cut copy and paste, like the text buffers :)
 302 _fbufferinit() { # internal use by
 303     ! [[ $my_f_tempdir ]] && my_f_tempdir=$(mktemp -d)
 304     rm -rf "$my_f_tempdir"/*
 305 }
 306 fcp() { # file cp
 307     _fbufferinit
 308     cp "$@" "$my_f_tempdir"/
 309 }
 310 fct() { # file cut
 311     _fbufferinit
 312     mv "$@" "$my_f_tempdir"/
 313 }
 314 fpst() { # file paste
 315     [[ $2 ]] && { echo too many arguments; return 1; }
 316     target=${1:-.}
 317     cp "$my_f_tempdir"/* "$target"
 318 }
 319
 320
 321 # find array. make an array of file names found by find into $x
 322 # argument: find arguments
 323 # return: find results in an array $x
 324 fa() {
 325     while read -rd ''; do
 326         x+=("$REPLY");
 327     done < <(find "$@" -print0);
 328 }
 329
 330
 331 git_empty_branch() { # start an empty git branch. carefull, it deletes untracked files.
 332     [[ $# == 1 ]] || { echo 'need a branch name!'; return 1;}
 333     local gitroot
 334     gitroot || return 1 # function to set gitroot
 335     builtin cd $gitroot
 336     git symbolic-ref HEAD refs/heads/$1
 337     rm .git/index
 338     git clean -fdx
 339 }
 340
 341 fw() {
 342     firefox -P default "$@" >/dev/null 2>&1
 343 }
 344
 345 fn() {
 346     firefox -P alt "$@" >/dev/null 2>&1
 347 }
 348
 349
 350
 351
 352
 353 # horizontal row. used to break up output
 354 hr() { printf "$(tput setaf 5)█$(tput sgr0)%.0s" $(seq $COLUMNS); }
 355
 356
 357 i() {
 358     git "$@"
 359 }
 360 # modified from ~/local/bin/git-completion.bash
 361 # other completion commands are mostly taken from bash_completion package
 362 complete -o bashdefault -o default -o nospace -F _git i 2>/dev/null \
 363     || complete -o default -o nospace -F _git i
 364
 365
 366 # insensitive find
 367 ifn () {
 368     find . -iname '*'"$*"'*'
 369 }
 370
 371
 372
 373 l() {
 374     if [[ $PWD == /[iap] ]]; then
 375         command ls -A --color=auto -I lost+found "$@"
 376     else
 377         command ls -A --color=auto "$@"
 378     fi
 379 }
 380
 381
 382 lld() { ll -d "$@"; }
 383
 384
 385 low() {  # make filenames all lowercase
 386     local x y
 387     for x in "$@"; do
 388         y=$(tr "[A-Z]" "[a-z]" <<<"$x")
 389         [[ $y != $x ]] && mv "$x" "$y"
 390     done
 391 }
 392
 393
 394 lower() { # make first letter of filenames lowercase.
 395     local x
 396     for x in "$@"; do
 397         if [[ ${x::1} == [A-Z] ]]; then
 398             y=$(tr "[A-Z]" "[a-z]" <<<"${x::1}")"${x:1}"
 399             safe_rename "$x" "$y"
 400         fi
 401     done
 402 }
 403
 404 safe_rename() {
 405     if [[ $# != 2 ]]; then
 406         echo safe_rename error: $# args, need 2 >2
 407         return 1
 408     elif [[ $1 != $2 ]]; then
 409         if [[ -e $2 ]]; then
 410             echo Cannot rename "$1" to "$2" as it already exists.
 411         else
 412             mv "$1" "$2"
 413         fi
 414     fi
 415 }
 416
 417 despace() {
 418     local x y
 419     for x in "$@"; do
 420         y="${x// /_}"
 421         safe_rename "$x" "$y"
 422     done
 423 }
 424
 425 # force symbolic link creation.
 426 # trash-put any existing files where links would be created.
 427 # mkdir -p the directory containing the link(s) if needed.
 428 # then do ln -s -- "$@"
 429 lnf() {
 430     if [[ $# -gt 2 && ! -d ${!#} ]]; then
 431         mkdir -p "${!#}"
 432     fi
 433     if [[ $# -gt 1 && -d ${!#} ]]; then
 434         local oldcwd=$PWD
 435         cd ${!#} # last arg
 436         for x in "${@:1:$(($#-1))}"; do # all but last arg
 437             # remove any trailing slashes
 438             x="${x%%+(/)}"
 439             # remove any leading directory components
 440             x="${x##*/}"
 441             te "$x" && trash-put "$x"
 442         done
 443         cd "$oldcwd"
 444     elif [[ $# -eq 2 ]]; then
 445         if te "$2"; then
 446             trash-put "$2"
 447         elif [[ ! -d $(getdir "$2") ]]; then
 448             mkdir -p $(getdir "$2")
 449         fi
 450     else
 451         te "${1##*/}" && rm "${1##*/}"
 452     fi
 453     ln -s -- "$@"
 454 }
 455
 456
 457
 458 # package manager
 459 # aliases would be much more compact, but they can't be used as ssh commands
 460 # also, to be used in a script, you need -i which prints annoying
 461 # warnings. instead, use -l in a script to source this file
 462 if type -p yum > /dev/null; then
 463     p() {
 464         if [[ $EUID == 0 ]]; then
 465             yum "$@"
 466         else
 467             sudo yum "$@"
 468         fi
 469     }
 470     pi() {
 471         if [[ $EUID == 0 ]]; then
 472             yum -y install "$@"
 473         else
 474             sudo yum -y install "$@"
 475         fi
 476     }
 477     pf() {
 478         if [[ $EUID == 0 ]]; then
 479             yum search "$@"
 480         else
 481             sudo yum search "$@"
 482         fi
 483     }
 484 else
 485     p() {
 486         if [[ $EUID == 0 ]]; then
 487             aptitude "$@"
 488         else
 489             sudo aptitude "$@"
 490         fi
 491     }
 492     pi() {
 493         if [[ $EUID == 0 ]]; then
 494             aptitude -y install "$@"
 495         else
 496             sudo aptitude -y install "$@"
 497         fi
 498     }
 499     pf() {
 500         if [[ $EUID == 0 ]]; then
 501             aptitude search "$@"
 502         else
 503             sudo aptitude search "$@"
 504         fi
 505     }
 506 fi
 507
 508
 509 # test existence / exists
 510 te() {
 511     local ret=0
 512     for x in "$@"; do
 513         [[ -e "$x" || -L "$x" ]] || ret=1
 514     done
 515     return $ret
 516 }
 517
 518
 519 # fix root file ownership for FILE argument.
 520 # check if parent or grandparent is not root and if the dir of FILE is also
 521 # owned by that user, and change ownership to that user
 522 perm_fix() {
 523     local parent
 524     if [[ $EUID == 0 ]]; then
 525         te "$1" || touch $1
 526         if [[ $(stat -c "%u" "$1") == 0 ]] ; then
 527             argdir=$(getdir "$1")
 528             if [[ $(stat -c "%u" "$argdir") != 0 ]] ; then
 529                 if ! chown "--reference=$argdir" "$1"; then
 530                     echo failed to fix bad ownership file permissons
 531                     return 1
 532                 fi
 533             fi
 534         fi
 535     fi
 536 }
 537
 538 pfind() { #find *$1* in $PATH
 539     [[ $# != 1 ]] && { echo requires 1 argument; return 1; }
 540     local pathArray
 541     IFS=: pathArray=($PATH); unset IFS
 542     find "${pathArray[@]}" -iname "*$1*"
 543 }
 544
 545
 546 pwd() { # do pwd + some other info.
 547     echo "$(ll -d "$PWD")               $USER@$HOSTNAME         $(date +%r)"
 548 }
 549
 550
 551 pwgen() { # generate a random password, with digits & punctuation and without
 552     arg=${1:-50}
 553     head -c 200 /dev/urandom | tr -cd '[:graph:]' | head -c "$arg"
 554     echo
 555     head -c 200 /dev/urandom | tr -cd '[:alnum:]' | head -c "$arg"
 556     echo
 557 }
 558
 559 q() { # start / launch a program in the backround and redir output to null
 560     "$@" &> /dev/null &
 561 }
 562
 563
 564
 565 r() {
 566     exit "$@"
 567 }
 568
 569 # rsync, root is required to keep permissions right.
 570 # rsync  --archive --human-readable --verbose --itemize-changes --checksum \(-ahvic\) \
 571 #                                       --no-times --delete
 572 # basically, make an exact copy, use checksums instead of file times to be more accurate
 573 rl() { rsync -ahvic --delete "$@"; }
 574 # don't delete files on the target end which do not exist on the original end:
 575 rld() { rsync -ahvic "$@"; }
 576 complete -F _rsync -o nospace rld rlt fl
 577 # rl without preserving modification time. for some reason I had this as default before.
 578 # perhaps that reason will come up again and I will document it.
 579 rlt() { rsync -ahvic --delete --no-t "$@"; }
 580
 581
 582
 583 # use sb instead of s is for sudo redirections, eg. sb 'echo "ok fine" > /etc/file'
 584 sb() {
 585     local SUDOD="$PWD"
 586     sudo -i bash -c "$@"
 587 }
 588 complete -F _root_command s sb
 589
 590 # use -ll, less secure but faster.
 591 srm () {
 592     srm -ll "$@"
 593 }
 594
 595 # sudo redo. be aware, this command may not work right on strange distros or earlier software
 596 sr() {
 597     if [[ $# == 0 ]]; then
 598         sudo -E bash -c -l "$(history -p '!!')"
 599     else
 600         echo this command redos last history item. no argument is accepted
 601     fi
 602 }
 603
 604
 605
 606 # log with script. timing is $1.t and script is $1.s
 607 # -l to save to ~/typescripts/
 608 # -t to add a timestamp to the filenames
 609 slog() {
 610     local logdir do_stamp arg_base
 611     (( $# >= 1 )) || { echo "arguments wrong"; return 1; }
 612     logdir="/a/dt/"
 613     do_stamp=false
 614     while getopts "lt" option
 615     do
 616         case $option in
 617             l ) arg_base=$logdir ;;
 618             t ) do_stamp=true ;;
 619         esac
 620     done
 621     shift $(($OPTIND - 1))
 622     arg_base+=$1
 623     [[ -e $logdir ]] || mkdir -p $logdir
 624     $do_stamp && arg_base+=$(date +%F.%T%z)
 625     script -t $arg_base.s 2> $arg_base.t
 626 }
 627 splay() { # script replay
 628     #logRoot="$HOME/typescripts/"
 629     #scriptreplay "$logRoot$1.t" "$logRoot$1.s"
 630     scriptreplay "$1.t" "$1.s"
 631 }
 632
 633
 634
 635 # timer in minutes
 636 tm() {
 637     (sleep $(calc "$@ * 60") && mpv /a/bin/data/alarm.mp3) > /dev/null 2>&1 &
 638 }
 639
 640
 641 ts() { # start editing a new file
 642     [[ $# != 1 ]] && echo "I need a filename." && return 1
 643     local quiet
 644     if [[ $- != *i* ]]; then
 645         quiet=true
 646     fi
 647     if [[ $1 == *.c ]]; then
 648         e '#include <stdio.h>' >"$1"
 649         e '#include <stdlib.h>' >>"$1"
 650         e 'int main(int argc, char * argv[]) {' >>"$1"
 651         e '     printf( "hello world\n");' >>"$1"
 652         e '     return 0;' >>"$1"
 653         e '}' >>"$1"
 654         e "${1%.c}: $1" > Makefile
 655         e "     g++ -ggdb -std=gnu99 -o ${1%.c} $<" >> Makefile
 656         e "#!/bin/bash" >run.sh
 657         e "./${1%.c}" >>run.sh
 658         chmod +x run.sh
 659     elif [[ $1 == *.java ]]; then
 660         e "public class ${1%.*} {" >"$1"
 661         e '     public static void main(String[] args) {' >>"$1"
 662         e '             System.out.println("Hello, world!");' >>"$1"
 663         e '     }' >>"$1"
 664         e '}' >>"$1"
 665
 666     else
 667         echo "#!/bin/bash" > "$1"
 668         chmod +x "$1"
 669     fi
 670     [[ $quiet ]] || g "$1"
 671
 672 }
 673
 674 tx() { # toggle set -x, and the prompt so it doesn't spam
 675     if [[ $- == *x* ]]; then
 676         set +x
 677         PROMPT_COMMAND=prompt_command
 678     else
 679         unset PROMPT_COMMAND
 680         PS1="\w \$ "
 681         set -x
 682     fi
 683 }
 684
 685
 686
 687
 688 if [[ $OS == Windows_NT ]]; then
 689     # cygstart wrapper
 690     cs() {
 691         cygstart "$@" &
 692     }
 693     xp() {
 694         explorer.exe .
 695     }
 696     # launch
 697     o() {
 698         local x=(*$1*)
 699         (( ${#x[#]} > 1 )) && { echo "warning ${#x[#]} matches found"; sleep 1; }
 700         cygstart *$1* &
 701     }
 702 else
 703     o() {
 704         if type gvfs-open &> /dev/null ; then
 705             gvfs-open "$@"
 706         else
 707             xdg-open "$@"
 708         fi
 709         # another alternative is run-mailcap
 710     }
 711 fi
 712
 713
 714 # todo, update this
 715 complete -F _longopt la lower low rlt rld rl lld ts ll dircp ex fcp fct fpst gr
 716
 717
 718
 719 hl() { # history limit. Write extra history to archive file.
 720     local max_lines linecount tempfile
 721     local harchive="${HISTFILE}_archive"
 722     for x in "$HISTFILE" "$harchive"; do
 723         if [[ ! $x || ! -w $x || $(stat -c "%u" "$x") != $EUID  ]]; then
 724             echo "error in hl: history file $x no good."
 725             return 1
 726         fi
 727     done
 728     history -w
 729     max_lines=$HISTFILELINES
 730     [[ $max_lines ]] || { echo "error in hl: failed to get max line count"; return 1; }
 731     linecount=$(wc -l < $HISTFILE) # pipe so it doesn't output a filename
 732     [[ $linecount =~ ^[0-9]+$ ]] || { echo "error in hl: wc failed"; return 1; }
 733     if (($linecount > $max_lines)); then
 734         prune_lines=$(($linecount - $max_lines))
 735         head -n $prune_lines "$HISTFILE" >> "$harchive" \
 736             && sed -ie "1,${prune_lines}d"  $HISTFILE
 737     fi
 738 }
 739
 740 # commands to run when bash exits normally
 741 trap "hl; smh" EXIT
 742
 743
 744 # temporary variables to test colorization
 745 # some copied from gentoo /etc/bash/bashrc,
 746 use_color=false
 747 # dircolors --print-database uses its own built-in database
 748 # instead of using /etc/DIR_COLORS.  Try to use the external file
 749 # first to take advantage of user additions.
 750 safe_term=${TERM//[^[:alnum:]]/?}   # sanitize TERM
 751 match_lhs=""
 752 [[ -f ~/.dir_colors   ]] && match_lhs="${match_lhs}$(<~/.dir_colors)"
 753 [[ -f /etc/DIR_COLORS ]] && match_lhs="${match_lhs}$(</etc/DIR_COLORS)"
 754 [[ -z ${match_lhs}    ]] \
 755     && type -P dircolors >/dev/null \
 756     && match_lhs=$(dircolors --print-database)
 757 # test if our $TERM is in the TERM values in dircolor
 758 [[ $'\n'${match_lhs} == *$'\n'"TERM "${safe_term}* ]] && use_color=true
 759
 760
 761 if ${use_color} && [[ $- == *i* ]]; then
 762
 763     if [[ $XTERM_VERSION == Cygwin* ]]; then
 764         get_term_color() {
 765             for x in "$@"; do
 766                 case $x in
 767                     underl) echo -n $'\E[4m' ;;
 768                     bold) echo -n $'\E[1m' ;;
 769                     red) echo -n $'\E[31m' ;;
 770                     green) echo -n $'\E[32m' ;;
 771                     blue) echo -n $'\E[34m' ;;
 772                     cyan) echo -n $'\E[36m' ;;
 773                     yellow) echo -n $'\E[33m' ;;
 774                     purple) echo -n $'\E[35m' ;;
 775                     nocolor) echo -n $'\E(B\E[m' ;;
 776                 esac
 777             done
 778         }
 779
 780     else
 781         get_term_color() {
 782             for x in "$@"; do
 783                 case $x in
 784                     underl) echo -n $(tput smul) ;;
 785                     bold) echo -n $(tput bold) ;;
 786                     red) echo -n $(tput setaf 1) ;;
 787                     green) echo -n $(tput setaf 2) ;;
 788                     blue) echo -n $(tput setaf 4) ;;
 789                     cyan) echo -n $(tput setaf 6) ;;
 790                     yellow) echo -n $(tput setaf 3) ;;
 791                     purple) echo -n $(tput setaf 5) ;;
 792                     nocolor) echo -n $(tput sgr0) ;; # no font attributes
 793                 esac
 794             done
 795         }
 796     fi
 797 else
 798     get_term_color() {
 799         :
 800     }
 801 fi
 802 # Try to keep environment pollution down, EPA loves us.
 803 unset safe_term match_lhs use_color
 804
 805
 806
 807
 808
 809
 810 ###############
 811 # prompt ######
 812 ###############
 813
 814
 815 if [[ $- == *i* ]]; then
 816     # git branch/status prompt function
 817     if [[ $OS != Windows_NT ]]; then
 818         GIT_PS1_SHOWDIRTYSTATE=true
 819     fi
 820     # arch source location
 821     [[ -r /usr/share/git/git-prompt.sh ]] && source /usr/share/git/git-prompt.sh
 822     # fedora/debian source
 823     [[ -r /usr/share/git-core/contrib/completion/git-prompt.sh ]] && source /usr/share/git-core/contrib/completion/git-prompt.sh
 824
 825     # in case we didn't source git-prompt.sh
 826     if ! declare -f __git_ps1 > /dev/null; then
 827         __git_ps1() {
 828             :
 829         }
 830     fi
 831
 832     # this needs to come before next ps1 stuff
 833     if [[ $BASH_VERSION == [456789]* ]]; then
 834         shopt -s autocd
 835         shopt -s globstar
 836         shopt -s dirspell
 837         PS1='\w'
 838         if [[ $- == *i* ]]  && [[ ! $INSIDE_EMACS ]]; then
 839             PROMPT_DIRTRIM=2
 840             bind -m vi-command B:shell-backward-word
 841             bind -m vi-command W:shell-forward-word
 842         fi
 843     else
 844         PS1='\W'
 845     fi
 846
 847     if [[ $SSH_CLIENT ]]; then
 848         PS1="\h $PS1"
 849     fi
 850
 851     prompt_command() {
 852         local return=$? # this MUST COME FIRST
 853         local psc pst
 854         local ps_char ps_color
 855         unset IFS
 856         history -a # save history
 857         history -n # read any new history
 858         if [[ ! DESKTOP_SESSION == xmonad && $TERM == *(screen*|xterm*|rxvt*) ]]; then
 859             # from the screen man page
 860             if [[ $TERM == screen* ]]; then
 861                 local title_escape="\033]..2;"
 862             else
 863                 local title_escape="\033]0;"
 864             fi
 865             echo -ne "$title_escape${PWD/#$HOME/~}  $USER@$HOSTNAME\007"
 866         fi
 867
 868         case $return in
 869             0) ps_color="$(get_term_color blue)"
 870                ps_char='\$'
 871                ;;
 872             1) ps_color="$(get_term_color green)"
 873                ps_char=$return
 874                ;;
 875             *) ps_color="$(get_term_color yellow)"
 876                ps_char=$return
 877                ;;
 878         esac
 879         if [[ ! -O . ]]; then # not owner
 880             if [[ -w . ]]; then # writable
 881                 ps_color="$(get_term_color bold red)"
 882             else
 883                 ps_color="$(get_term_color bold green)"
 884             fi
 885         fi
 886         PS1="${PS1/%!(*[wW]*)}$(__git_ps1 ' (%s)') \[$ps_color\]$ps_char\[$(get_term_color nocolor)\] "
 887     }
 888     PROMPT_COMMAND=prompt_command
 889 fi
 890
 891
 892 ###########################################
 893 # stuff that makes sense to be at the end #
 894 ###########################################
 895 if [[ "$SUDOD" ]]; then
 896     cd "$SUDOD"
 897 elif [[ -d /a ]] && [[ $PWD == $HOME ]] && [[ $- == *i* ]]; then
 898     cd /a
 899 fi
 900
 901
 902 # best practice
 903 unset IFS
 904
 905
 906 # if someone exported $SOE, catch errors
 907 if [[ $SOE ]]; then
 908     errcatch
 909 fi