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