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

   1 #!/bin/bash
   2 # this gets sourced. shebang is just for file mode detection
   3
   4 # note, to catch errors in functions but not outside, do:
   5 # set -E -o pipefail
   6 # trap return ERR
   7 # trap 'trap ERR' RETURN
   8
   9
  10
  11 ############
  12 # settings #
  13 ############
  14
  15 CDPATH=.
  16
  17 set -o pipefail
  18
  19 # remove all aliases. aliases provided by the system tend to get in the way,
  20 # for example, error happens if I try to define a function the same name as an alias
  21 unalias -a
  22
  23 # remove gnome keyring warning messages
  24 # there is probably a more proper way, but I didn't find any easily on google
  25 # now using xfce+xmonad instead of vanilla xmonad, so disabling this
  26 #unset GNOME_KEYRING_CONTROL
  27
  28 # use extra globing features.
  29 shopt -s extglob
  30 # include .files when globbing, but ignore files name . and ..
  31 # setting this also sets dotglob.
  32 # Note, this doesn't work in bash 4.4 anymore, for paths with
  33 # more than 1 directory, like a/b/.foo, since * is fixed to not match /
  34 export GLOBIGNORE=*/.:*/..
  35
  36 # broken with bash_completion package. Saw a bug for this once. Don't anymore.
  37 # still broken in wheezy
  38 # still buggered in latest stable from the web, version 2.1
  39 # perhaps its fixed in newer git version, which fails to make for me
  40 # this note is from 6-2014.
  41 # Also, enabling this before sourcing .bashrc makes PATH be empty.
  42 #shopt -s nullglob
  43
  44 # make tab on an empty line do nothing
  45 shopt -s no_empty_cmd_completion
  46
  47 # advanced completion
  48 # http://bash-completion.alioth.debian.org/
  49 # might be sourced by the system already, but I've noticed it not being sourced before
  50 if ! type _init_completion &> /dev/null && [[ -r "/usr/share/bash-completion/bash_completion" ]]; then
  51     . /usr/share/bash-completion/bash_completion
  52 fi
  53
  54
  55 # fix spelling errors for cd, only in interactive shell
  56 shopt -s cdspell
  57 # append history instead of overwritting it
  58 shopt -s histappend
  59 # for compatibility, per gentoo/debian bashrc
  60 shopt -s checkwinsize
  61 # attempt to save multiline single commands as single history entries.
  62 shopt -s cmdhist
  63 # enable **
  64 shopt -s globstar
  65
  66
  67 # inside emcas fixes
  68 if [[ $RLC_INSIDE_EMACS ]]; then
  69     # EMACS is used by bash on startup, but we don't need it anymore.
  70     # plus I hit a bug in a makefile which inherited it
  71     unset EMACS
  72     export RLC_INSIDE_EMACS
  73     export PAGER=cat
  74     export MANPAGER=cat
  75     # scp completion does not work, but this doesn't fix it. todo, figure this out
  76     complete -r scp &> /dev/null
  77     # todo, remote file completion fails, figure out how to turn it off
  78     export NODE_DISABLE_COLORS=1
  79     # This get's rid of ugly terminal escape chars in node repl
  80     # sometime, I'd like to have completion working in emacs shell for node
  81     # the offending chars can be found in lib/readline.js,
  82     # things that do like:
  83     # stream.write('\x1b[' + (x + 1) + 'G');
  84     # We can remove them and keep readline, for example by doing this
  85     # to start a repl:
  86     #!/usr/bin/env nodejs
  87     # var readline = require('readline');
  88     # readline.cursorTo = function(a,b,c) {};
  89     # readline.clearScreenDown = function(a) {};
  90     # const repl = require('repl');
  91     # var replServer = repl.start('');
  92     #
  93     # no prompt, or else readline complete seems to be confused, based
  94     # on our column being different? node probably needs to send
  95     # different kind of escape sequence that is not ugly. Anyways,
  96     # completion doesn't work yet even with the ugly prompt, so whatever
  97     #
  98     export NODE_NO_READLINE=1
  99
 100 fi
 101
 102
 103 if [[ $- == *i* ]]; then
 104     # for readline-complete.el
 105     if [[ $RLC_INSIDE_EMACS ]]; then
 106         # all for readline-complete.el
 107         stty echo
 108         bind 'set horizontal-scroll-mode on'
 109         bind 'set print-completions-horizontally on'
 110         bind '"\C-i": self-insert'
 111     else
 112         # arrow keys. for other terminals, see http://unix.stackexchange.com/questions/10806/how-to-change-previous-next-word-shortcut-in-bash
 113         if [[ $TERM == "xterm" ]]; then
 114             bind '"\e[1;5C": shell-forward-word' 2>/dev/null
 115             bind '"\e[1;5D": shell-backward-word' 2>/dev/null
 116         else
 117             bind '"\eOc": shell-forward-word'
 118             bind '"\eOd": shell-backward-word'
 119         fi
 120         # terminal keys: C-c, C-z. the rest defined by stty -a are, at least in
 121         # gnome-terminal, overridden by bash, or disabled by the system
 122         stty werase undef lnext undef stop undef start undef
 123
 124     fi
 125
 126 fi
 127
 128
 129 # history number. History expansion is good.
 130 PS4='$LINENO+ '
 131 # history file size limit, set to unlimited.
 132 # this needs to be different from the default because
 133 # default HISTFILESIZE is 500 and could clobber our history
 134 HISTFILESIZE=
 135 # max commands 1 session can append/read from history
 136 HISTSIZE=100000
 137 # my own history size limit based on lines
 138 HISTFILELINES=1000000
 139 HISTFILE=$HOME/.bh
 140 # the time format display when doing the history command
 141 # also, setting this makes the history file record time
 142 # of each command as seconds from the epoch
 143 HISTTIMEFORMAT="%I:%M %p %m/%d "
 144 # consecutive duplicate lines don't go in history
 145 HISTCONTROL=ignoredups
 146 # works in addition to HISTCONTROL to do more flexible things
 147 # it could also do the same things as HISTCONTROL and thus replace it,
 148 # but meh. dunno why, but just " *" does glob expansion, so use [ ] to avoid it.
 149 HISTIGNORE='k *:[ ]*'
 150
 151 export BC_LINE_LENGTH=0
 152
 153
 154 # note, if I use a machine I don't want files readable by all users, set
 155 # umask 077  # If fewer than 4 digits are entered, leading zeros are assumed
 156
 157 C_DEFAULT_DIR=/a
 158
 159
 160 ###################
 161 ## include files ###
 162 ###################
 163 for _x in /a/bin/distro-functions/src/* /a/bin/!(githtml)/*-function?(s); do
 164     source "$_x"
 165 done
 166 unset _x
 167 # so I can share my bashrc
 168 for x in /a/bin/bash_unpublished/source-!(.#*); do source $x; done
 169 source $(dirname $(readlink -f $BASH_SOURCE))/path_add-function
 170 source /a/bin/log-quiet/logq-function
 171 path_add /a/exe
 172 path_add --ifexists --end /a/opt/adt-bundle*/tools /a/opt/adt-bundle*/platform-tools
 173 export WCDHOME=/a
 174 # based on readme.debian. dunno if this will break on other distros.
 175 _x=/usr/share/wcd/wcd-include.sh
 176 if [[ -e $_x ]]; then source $_x; fi
 177
 178
 179 ###############
 180 ### aliases ###
 181 ###############
 182
 183 # very few aliases, functions are always preferred.
 184
 185 # ancient stuff.
 186 if [[ $OS == Windows_NT ]]; then
 187     alias ffs='cygstart "/c/Program Files (x86)/Mozilla Firefox/firefox.exe" -P scratch'
 188     export DISPLAY=nt
 189     alias j='command cygpath'
 190     alias t='command cygstart'
 191     alias cygstart='echo be quick, use the alias "t" instead :\)'
 192     alias cygpath='echo be quick, use the alias "j" instead :\)'
 193 fi
 194
 195
 196
 197 # keep this in mind? good for safety.
 198 # alias cp='cp -i'
 199 # alias mv='mv -i'
 200
 201
 202 # remove any default aliases for these
 203 unalias ls ll grep &>/dev/null ||:
 204
 205
 206
 207
 208
 209
 210
 211
 212
 213 #####################
 214 ###  functions   ####
 215 #####################
 216
 217
 218 ..() { c ..; }
 219 ...() { c ../..; }
 220 ....() { c ../../..; }
 221 .....() { c ../../../..; }
 222 ......() { c ../../../../..; }
 223
 224
 225 # file cut copy and paste, like the text buffers :)
 226 # I havn't tested these.
 227 _fbufferinit() { # internal use by
 228     ! [[ $my_f_tempdir ]] && my_f_tempdir=$(mktemp -d)
 229     rm -rf "$my_f_tempdir"/*
 230 }
 231 fcp() { # file cp
 232     _fbufferinit
 233     cp "$@" "$my_f_tempdir"/
 234 }
 235 fct() { # file cut
 236     _fbufferinit
 237     mv "$@" "$my_f_tempdir"/
 238 }
 239 fpst() { # file paste
 240     [[ $2 ]] && { echo too many arguments; return 1; }
 241     target=${1:-.}
 242     cp "$my_f_tempdir"/* "$target"
 243 }
 244
 245
 246 # todo, update this
 247 complete -F _longopt la lower low rlt rld rl lld ts ll dircp ex fcp fct fpst gr
 248
 249
 250 _cdiff-prep() {
 251     # join options which are continued to multiples lines onto one line
 252     local first=true
 253     grep -vE '^([ \t]*#|^[ \t]*$)' "$1" | while IFS= read -r line; do
 254         # remove leading spaces/tabs. assumes extglob
 255         if [[ $line == "[       ]*" ]]; then
 256             line="${line##+( )}"
 257         fi
 258         if $first; then
 259             pastline="$line"
 260             first=false
 261         elif [[ $line == *=* ]]; then
 262             echo "$pastline" >> "$2"
 263             pastline="$line"
 264         else
 265             pastline="$pastline $line"
 266         fi
 267     done
 268     echo "$pastline" >> "$2"
 269 }
 270
 271 _khfix_common() {
 272     local h=${1##*@}
 273     local x
 274     ssh-keygen -R $h -f $(readlink -f ~/.ssh/known_hosts)
 275     if ! x=$(timeout 0.1 ssh -oBatchMode=yes -v $1 |& sed -rn "s/debug1: Connecting to $h \[([^\]*)].*/\1/p"); then
 276         echo "khfix: ssh failed"
 277         return 1
 278     fi
 279     ssh-keygen -R $x -f $(readlink -f ~/.ssh/known_hosts)
 280 }
 281 khfix() { # known hosts fix
 282     _khfix_common "$@"
 283     ssh $1 :
 284 }
 285 khcopy() {
 286     _khfix_common "$@"
 287     ssh-copy-id $1
 288 }
 289
 290 a() {
 291     beet "${@}"
 292 }
 293
 294 ack() { ack-grep "$@"; }
 295
 296 astudio() {
 297     # googling android emulator libGL error: failed to load driver: r600
 298     # lead to http://stackoverflow.com/a/36625175/14456
 299     export ANDROID_EMULATOR_USE_SYSTEM_LIBS=1
 300     /a/opt/android-studio/bin/studio.sh "$@" &r;
 301 }
 302
 303 b() {
 304     # backwards
 305     c -
 306 }
 307
 308 bkrun() {
 309     # use -p from interactive shell
 310     btrbk-run -p "$@"
 311 }
 312
 313 bfg() { java -jar /a/opt/bfg-1.12.14.jar "$@"; }
 314
 315 btc() {
 316     local f=/etc/bitcoin/bitcoin.conf
 317     # importprivkey will timeout if using the default of 15 mins.
 318     # upped it to 1 hour.
 319     bitcoin-cli -rpcclienttimeout=60000 -$(s grep rpcuser= $f) -$(s grep rpcpassword= $f) "$@"
 320 }
 321
 322 btcusd() {
 323     local price
 324     price="$(curl -s https://api.coinbase.com/v2/prices/BTC-USD/spot | jq -r .data.amount)"
 325     printf "$%s\n" "$price"
 326     if [[ $1 ]]; then
 327         printf "$%.2f\n" "$(echo "scale=4; $price * $1"| bc -l)"
 328     fi
 329 }
 330 usdbtc() {
 331     local price
 332     price="$(curl -s https://api.coinbase.com/v2/prices/BTC-USD/spot | jq -r .data.amount)"
 333     printf "$%s\n" "$price"
 334     if [[ $1 ]]; then
 335         # 100 mil satoshi / btc. 8 digits after the 1.
 336         printf "%.8f btc\n" "$(echo "scale=10; $1 / $price "| bc -l)"
 337     fi
 338 }
 339 satoshi() {
 340     local price
 341     price="$(curl -s https://api.coinbase.com/v2/prices/BTC-USD/spot | jq -r .data.amount)"
 342     price=$(echo "scale=10; $price * 0.00000001"| bc -l)
 343     printf "$%f\n" "$price"
 344     if [[ $1 ]]; then
 345         printf "$%.2f\n" "$(echo "scale=10; $price * $1"| bc -l)"
 346     fi
 347 }
 348
 349
 350 # c. better cd
 351 if [[ $RLC_INSIDE_EMACS ]]; then
 352     c() { wcd -c -z 50 -o "$@"; }
 353 else
 354     # lets see what the fancy terminal does from time to time
 355     c() { wcd -c -z 50 "$@"; }
 356 fi
 357
 358 caa() { git commit --amend --no-edit -a; }
 359
 360 caf() {
 361     find -L $1 -type f -not \( -name .svn -prune -o -name .git -prune \
 362          -o -name .hg -prune -o -name .editor-backups -prune \
 363          -o -name .undo-tree-history -prune \) \
 364          -exec bash -lc 'hr; echo "$1"; hr; cat "$1"' _ {} \; 2>/dev/null
 365
 366 }
 367
 368 calc() { echo "scale=3; $*" | bc -l; }
 369 # no having to type quotes, but also no command history:
 370 clc() {
 371     local x
 372     read -r x
 373     echo "scale=3; $x" | bc -l
 374 }
 375
 376 cam() {
 377     git commit -am "$*"
 378 }
 379
 380 ccat () { # config cat. see a config without extra lines.
 381     grep '^\s*[^[:space:]#]' "$@"
 382 }
 383
 384 cdiff() {
 385     # diff config files,
 386     # setup for format of postfix, eg:
 387     # option = stuff[,]
 388     #    [more stuff]
 389     local pastline
 390     local unified="$(mktemp)"
 391     local f1="$(mktemp)"
 392     local f2="$(mktemp)"
 393     _cdiff-prep "$1" "$f1"
 394     _cdiff-prep "$2" "$f2"
 395     cat "$f1" "$f2" |  grep -Po '^[^=]+=' | sort | uniq > "$unified"
 396     while IFS= read -r line; do
 397         # the default bright red / blue doesn't work in emacs shell
 398         dwdiff -cblue,red -A best -d "  ," <(grep "^$line" "$f1" || echo ) <(grep "^$line" "$f2" || echo ) | colordiff
 399     done < "$unified"
 400 }
 401
 402 cgpl()
 403 {
 404     if (($#)); then
 405         cp /a/bin/data/COPYING "$@"
 406     else
 407         cp /a/bin/data/COPYING .
 408     fi
 409 }
 410 capache()
 411 {
 412     if (($#)); then
 413         cp /a/bin/data/LICENSE "$@"
 414     else
 415         cp /a/bin/data/LICENSE .
 416     fi
 417 }
 418 chown() {
 419     # makes it so chown -R symlink affects the symlink and its target.
 420     if [[ $1 == -R ]]; then
 421         shift
 422         command chown -h "$@"
 423         command chown -R "$@"
 424     else
 425         command chown "$@"
 426     fi
 427 }
 428
 429 cim() {
 430     git commit -m "$*"
 431 }
 432
 433 cl() {
 434     # choose recent directory. cl = cd list
 435     c =
 436 }
 437
 438 chrome() {
 439     CHROMIUM_FLAGS='--enable-remote-extensions' chromium &r
 440 }
 441
 442 d() { builtin bg; }
 443 complete -A stopped -P '"%' -S '"' d
 444
 445 dat() { # do all tee, for more complex scripts
 446     tee >(ssh frodo bash -l) >(bash -l) >(ssh x2 bash -l) >(ssh tp bash -l)
 447 }
 448 da() { # do all
 449     local host
 450     "$@"
 451     for host in x2 tp treetowl; do
 452         ssh $host "$@"
 453     done
 454 }
 455
 456 dc() {
 457     diff --strip-trailing-cr -w "$@"   # diff content
 458 }
 459
 460 debian_pick_mirror () {
 461     # netselect-apt finds a fast mirror.
 462     # but we need to replace the mirrors ourselves,
 463     # because it doesn't do that. best it can do is
 464     # output a basic sources file
 465     # here we get the server it found, get the main server we use
 466     # then substitute all instances of one for the other in the sources file
 467     # and backup original to /etc/apt/sources.list-original.
 468     # this is idempotent. the only way to identify debian sources is to
 469     # note the original server, so we put it in a comment so we can
 470     # identify it later.
 471     local file=$(mktemp -d)/f # safe way to get file name without creating one
 472     sudo netselect-apt -o "$file" || return 1
 473     url=$(grep ^\\w $file | head -n1 | awk '{print $2}')
 474     sudo cp -f /etc/apt/sources.list /etc/apt/sources.list-original
 475     sudo sed -ri "/http.us.debian.org/ s@( *[^ #]+ +)[^ ]+([^#]+).*@\1$url\2# http.us.debian.org@" /etc/apt/sources.list
 476     sudo apt-get update
 477 }
 478
 479 despace() {
 480     local x y
 481     for x in "$@"; do
 482         y="${x// /_}"
 483         safe_rename "$x" "$y"
 484     done
 485 }
 486
 487 dt() {
 488     date "+%A, %B %d, %r" "$@"
 489 }
 490
 491 dus() {
 492     du -sh ${@:-*} | sort -h
 493 }
 494
 495
 496
 497 e() { echo "$@"; }
 498
 499
 500 ediff() {
 501     [[ ${#@} == 2 ]] || { echo "error: ediff requires 2 arguments"; return 1; }
 502     emacs --eval "(ediff-files \"$1\" \"$2\")"
 503 }
 504
 505
 506 envload() { # load environment from a previous: export > file
 507     local file=${1:-$HOME/.${USER}_env}
 508     eval "$(export | sed 's/^declare -x/export -n/')"
 509     while IFS= read -r line; do
 510         # declare -x makes variables local to a function
 511         eval ${line/#declare -x/export}
 512     done < "$file"
 513 }
 514
 515 f() {
 516     # cd forward
 517     c +
 518 }
 519
 520 fa() {
 521     # find array. make an array of file names found by find into $x
 522     # argument: find arguments
 523     # return: find results in an array $x
 524     while read -rd ''; do
 525         x+=("$REPLY");
 526     done < <(find "$@" -print0);
 527 }
 528
 529 faf() { # find all files
 530     find -L $1 -type f -not \( -name .svn -prune -o -name .git -prune \
 531          -o -name .hg -prune -o -name .editor-backups -prune \
 532          -o -name .undo-tree-history -prune \) 2>/dev/null
 533 }
 534
 535 fastboot() { /a/opt/androidsdk/platform-tools/fastboot "$@"; }
 536
 537 ff() {
 538     if type -P firefox &>/dev/null; then
 539         firefox "$@"
 540     else
 541         iceweasel "$@"
 542     fi
 543 }
 544
 545
 546
 547 fn() {
 548     firefox -P alt "$@" >/dev/null 2>&1
 549 }
 550
 551
 552 fsdiff () {
 553     local missing=false
 554     local dname="${PWD##*/}"
 555     local m="/a/tmp/$dname-missing"
 556     local d="/a/tmp/$dname-diff"
 557     [[ -e $d ]] && rm "$d"
 558     [[ -e $m ]] && rm "$m"
 559     local msize=0
 560     local fsfile
 561     while read -r line; do
 562         fsfile="$1${line#.}"
 563         if [[ -e "$fsfile" ]]; then
 564             md5diff "$line" "$fsfile" && tee -a "/a/tmp/$dname-diff" <<< "$fsfile $line"
 565         else
 566             missing=true
 567             echo "$line" >> "$m"
 568             msize=$((msize + 1))
 569         fi
 570     done < <(find -type f )
 571     if $missing; then
 572         echo "$m"
 573         (( msize <= 100 )) && cat $m
 574     fi
 575 }
 576 fsdiff-test() {
 577     # expected output, with different tmp dirs
 578     # /tmp/tmp.HDPbwMqdC9/c/d ./c/d
 579     # /a/tmp/tmp.qLDkYxBYPM-missing
 580     # ./b
 581     cd $(mktemp -d)
 582     echo ok > a
 583     echo nok > b
 584     mkdir c
 585     echo ok > c/d
 586     local x=$(mktemp -d)
 587     mkdir $x/c
 588     echo different > $x/c/d
 589     echo ok > $x/a
 590     fsdiff $x
 591 }
 592 rename-test() {
 593     # test whether missing files were renamed, generally for use with fsdiff
 594     # $1 = fsdiff output file, $2 = directory to compare to. pwd = fsdiff dir
 595     # echos non-renamed files
 596     local x y found
 597     unset sums
 598     for x in "$2"/*; do
 599         { sums+=( "$(md5sum < "$x")" ) ; } 2>/dev/null
 600     done
 601     while read -r line; do
 602         { missing_sum=$(md5sum < "$line") ; } 2>/dev/null
 603         renamed=false
 604         for x in "${sums[@]}"; do
 605             if [[ $missing_sum == "$x" ]]; then
 606                 renamed=true
 607                 break
 608             fi
 609         done
 610         $renamed || echo "$line"
 611     done < "$1"
 612     return 0
 613 }
 614
 615 feh() {
 616     # F = fullscren, z = random, Z = auto zoom
 617     command feh -FzZ "$@"
 618 }
 619
 620 funce() {
 621     # like -e for functions. returns on error.
 622     # at the end of the function, disable with:
 623     # trap ERR
 624     trap 'echo "${BASH_COMMAND:+BASH_COMMAND=\"$BASH_COMMAND\" }
 625 ${FUNCNAME:+FUNCNAME=\"$FUNCNAME\" }${LINENO:+LINENO=\"$LINENO\"  }\$?=$?"
 626 trap ERR
 627 return' ERR
 628 }
 629
 630
 631 fw() {
 632     firefox -P default "$@" >/dev/null 2>&1
 633 }
 634
 635 getdir () {
 636     local help="Usage: getdir [--help] PATH
 637 Output the directory of PATH, or just PATH if it is a directory."
 638     if [[ $1 == --help ]]; then
 639         echo "$help"
 640         return 0
 641     fi
 642     if [[ $# -ne 1 ]]; then
 643         echo "getdir error: expected 1 argument, got $#"
 644         return 1
 645     fi
 646     if [[ -d $1 ]]; then
 647         echo "$1"
 648     else
 649         local dir="$(dirname "$1")"
 650         if [[ -d $dir ]]; then
 651             echo "$dir"
 652         else
 653             echo "getdir error: directory does not exist"
 654             return 1
 655         fi
 656     fi
 657 }
 658
 659 git_empty_branch() { # start an empty git branch. carefull, it deletes untracked files.
 660     [[ $# == 1 ]] || { echo 'need a branch name!'; return 1;}
 661     local gitroot
 662     gitroot || return 1 # function to set gitroot
 663     builtin cd "$gitroot"
 664     git symbolic-ref HEAD refs/heads/$1
 665     rm .git/index
 666     git clean -fdx
 667 }
 668
 669 gitroot() {
 670     local help="Usage: gitroot [--help]
 671 Print the full path to the root of the current git repo
 672
 673 Handles being within a .git directory, unlike git rev-parse --show-toplevel,
 674 and works in older versions of git which did not have that."
 675     if [[ $1 == --help ]]; then
 676         echo "$help"
 677         return
 678     fi
 679     local p=$(git rev-parse --git-dir) || { echo "error: not in a git repo" ; return 1; }
 680     [[ $p != /* ]] && p=$PWD
 681     echo "${p%%/.git}"
 682 }
 683
 684 gmacs() {
 685     # quit will prompt if the program crashes.
 686     gdb -ex=r -ex=quit --args emacs "$@"; r;
 687 }
 688
 689 gdkill() {
 690     # kill the emacs daemon
 691     pk1 emacs --daemon
 692 }
 693
 694 gse() {
 695     git send-email --notes '--envelope-sender=<ian@iankelling.org>' \
 696         --suppress-cc=self "$@"
 697 }
 698
 699 gr() {
 700     grep -iIP --color=auto "$@"
 701 }
 702
 703 grr() {
 704     if [[ ${#@} == 1 ]]; then
 705         grep -riIP --color=auto "$@" .
 706     else
 707         grep -riIP --color=auto "$@"
 708     fi
 709 }
 710
 711 hstatus() {
 712     # do git status on published repos
 713     cd /a/bin/githtml
 714     for x in !(forks) forks/* ian-specific/*; do
 715         cd `readlink -f $x`/..
 716         hr
 717         echo $x
 718         i status
 719         cd /a/bin/githtml
 720     done
 721 }
 722
 723 hl() { # history limit. Write extra history to archive file.
 724     # todo: this is not working or not used currently
 725     local max_lines linecount tempfile prune_lines x
 726     local harchive="${HISTFILE}_archive"
 727     for x in "$HISTFILE" "$harchive"; do
 728         [[ -e $x ]] || { touch "$x" && echo "notice from hl(): creating $x"; }
 729         if  [[ ! $x || ! -e $x || ! -w $x || $(stat -c "%u" "$x") != $EUID  ]];  then
 730             echo "error in hl: history file \$x:$x no good"
 731             return 1
 732         fi
 733     done
 734     history -a # save history
 735     max_lines=$HISTFILELINES
 736     [[ $max_lines =~ ^[0-9]+$ ]] || { echo "error in hl: failed to get max line count"; return 1; }
 737     linecount=$(wc -l < $HISTFILE) # pipe so it doesn't output a filename
 738     [[ $linecount =~ ^[0-9]+$ ]] || { echo "error in hl: wc failed"; return 1; }
 739     if (($linecount > $max_lines)); then
 740         prune_lines=$(($linecount - $max_lines))
 741         head -n $prune_lines "$HISTFILE" >> "$harchive" \
 742             && sed --follow-symlinks -ie "1,${prune_lines}d"  $HISTFILE
 743     fi
 744 }
 745
 746 hr() { # horizontal row. used to break up output
 747     printf "$(tput setaf 5)█$(tput sgr0)%.0s" $(seq ${COLUMNS:-60})
 748     echo
 749 }
 750
 751 hrcat() { local f; for f; do [[ -f $f ]] || continue; hr; echo "$f"; cat "$f"; done }
 752
 753
 754 i() { git "$@"; }
 755 # modified from ~/local/bin/git-completion.bash
 756 # other completion commands are mostly taken from bash_completion package
 757 complete -o bashdefault -o default -o nospace -F _git i 2>/dev/null \
 758     || complete -o default -o nospace -F _git i
 759
 760 if ! type service &>/dev/null; then
 761     service() {
 762         echo actually running: systemctl $2 $1
 763         systemctl $2 $1
 764     }
 765 fi
 766
 767 ic() {
 768     # fast commit all
 769     git commit -am "$*"
 770 }
 771
 772 idea() {
 773     /a/opt/idea-IC-163.7743.44/bin/idea.sh "$@" &r
 774 }
 775
 776 ifn() {
 777     # insensitive find
 778     find -L . -not \( -name .svn -prune -o -name .git -prune \
 779          -o -name .hg -prune -o -name .editor-backups -prune \
 780          -o -name .undo-tree-history -prune \) -iname "*$**" 2>/dev/null
 781 }
 782
 783
 784 if [[ $OS == Windows_NT ]]; then
 785     # cygstart wrapper
 786     cs() {
 787         cygstart "$@" &
 788     }
 789     xp() {
 790         explorer.exe .
 791     }
 792     # launch
 793     o() {
 794         local x=(*$1*)
 795         (( ${#x[#]} > 1 )) && { echo "warning ${#x[#]} matches found"; sleep 1; }
 796         cygstart *$1* &
 797     }
 798 else
 799     o() {
 800         if type gvfs-open &> /dev/null ; then
 801             gvfs-open "$@"
 802         else
 803             xdg-open "$@"
 804         fi
 805         # another alternative is run-mailcap
 806     }
 807 fi
 808
 809
 810
 811 istext() {
 812     grep -Il "" "$@" &>/dev/null
 813 }
 814
 815 jtail() {
 816     journalctl -n 10000 -f "$@" | grep -Evi "^(\S+\s+){4}(sudo|sshd|cron)"
 817 }
 818
 819
 820 l() {
 821     if [[ $PWD == /[iap] ]]; then
 822         command ls -A --color=auto -I lost+found "$@"
 823     else
 824         command ls -A --color=auto "$@"
 825     fi
 826 }
 827
 828
 829 lcn() { locate -i "*$**"; }
 830
 831 lld() { ll -d "$@"; }
 832
 833 low() {  # make filenames lowercase, remove bad chars
 834     local f new
 835     for f in "$@"; do
 836         new="${f,,}" # downcase
 837         new="${new//[^[:alnum:]._-]/_}" # sub bad chars
 838         new="${new#"${new%%[[:alnum:]]*}"}" # remove leading/trailing non-alnum
 839         new="${new%"${new##*[[:alnum:]]}"}"
 840         # remove bad underscores, like __ and _._
 841         new=$(echo $new | sed -r 's/__+/_/g;s/_+([.-])|([.-])_+/\1/g')
 842         safe_rename "$f" "$new" || return 1
 843     done
 844     return 0
 845 }
 846
 847 lower() { # make first letter of filenames lowercase.
 848     local x
 849     for x in "$@"; do
 850         if [[ ${x::1} == [A-Z] ]]; then
 851             y=$(tr "[A-Z]" "[a-z]" <<<"${x::1}")"${x:1}"
 852             safe_rename "$x" "$y" || return 1
 853         fi
 854     done
 855 }
 856
 857
 858 k() { # history search
 859     grep -P --binary-files=text "$@" ${HISTFILE:-~/.bash_history}  | tail -n 80;
 860 }
 861
 862
 863 make-targets() {
 864     # show make targets, via http://stackoverflow.com/questions/3063507/list-goals-targets-in-gnu-make
 865     make -qp | awk -F':' '/^[a-zA-Z0-9][^$#\/\t=]*:([^=]|$)/ {split($1,A,/ /);for(i in A)print A[i]}'
 866 }
 867
 868
 869 mkc() {
 870     mkdir "$1"
 871     c "$1"
 872 }
 873
 874 mkdir() { command mkdir -p "$@"; }
 875
 876 pithos() {
 877     cd /
 878     export PYTHONPATH=/a/opt/Pithosfly
 879     python3 -m pithos&r
 880 }
 881
 882 pakaraoke() {
 883     # from http://askubuntu.com/questions/456021/remove-vocals-from-mp3-and-get-only-instrumentals
 884     pactl load-module module-ladspa-sink sink_name=Karaoke master=alsa_output.usb-Audioengine_Audioengine_D1-00.analog-stereo plugin=karaoke_1409 label=karaoke control=-30
 885 }
 886
 887
 888 pfind() { #find *$1* in $PATH
 889     [[ $# != 1 ]] && { echo requires 1 argument; return 1; }
 890     local pathArray
 891     IFS=: pathArray=($PATH); unset IFS
 892     find "${pathArray[@]}" -iname "*$1*"
 893 }
 894
 895 pk1() {
 896     local pid
 897     pid=($(pgrep -f "$*"))
 898     case ${#pid[@]} in
 899         1)
 900             ps -F $pid
 901             m kill $pid
 902             ;;
 903         0) echo "no pid found" ;;
 904         *)
 905             ps -F ${pid[@]}
 906             ;;
 907     esac
 908 }
 909
 910 pick-trash() {
 911     # trash-restore lists everything that has been trashed at or below CWD
 912     # This picks out files just in CWD, not subdirectories,
 913     # which also match grep $1, usually use $1 for a time string
 914     # which you get from running restore-trash once first
 915     local name x ask
 916     local nth=1
 917     # last condition is to not ask again for ones we skipped
 918     while name="$( echo | restore-trash | gr "$PWD/[^/]\+$" | gr "$1" )" \
 919             && [[ $name ]] && (( $(wc -l <<<"$name") >= nth )); do
 920         name="$(echo "$name" | head -n $nth | tail -n 1 )"
 921         read -p "$name [Y/n] " ask
 922         if [[ ! $ask || $ask == [Yy] ]]; then
 923             x=$( echo "$name"  | gr -o "^\s*[0-9]*" )
 924             echo $x | restore-trash > /dev/null
 925         elif [[ $ask == [Nn] ]]; then
 926             nth=$((nth+1))
 927         else
 928             return
 929         fi
 930     done
 931 }
 932
 933 postconfin() {
 934     local MAPFILE
 935     mapfile -t
 936     local s
 937     [[ $EUID == 0 ]] || s=s
 938     $s postconf -ev "${MAPFILE[@]}"
 939 }
 940
 941 pub() {
 942     rld /a/h/_site/ li:/var/www/iankelling.org/html
 943 }
 944
 945 pubip() { curl -4s https://icanhazip.com; }
 946 whatismyip() { pubip; }
 947
 948
 949 pwgen() {
 950     # -m = min length
 951     # -x = max length
 952     # -t = print pronunciation
 953     apg -m 12 -x 16 -t
 954 }
 955
 956 pwlong() {
 957     # -M CLN = use Caps, Lowercase, Numbers
 958     # -n 1 = 1 password
 959     # -a 1 = use random instead of pronounceable algorithm
 960     apg -m 50 -x 70 -n 1 -a 1 -M CLN
 961 }
 962
 963
 964 q() { # start / launch a program in the backround and redir output to null
 965     "$@" &> /dev/null &
 966 }
 967
 968 r() {
 969     exit "$@" 2>/dev/null
 970 }
 971
 972 rbpipe() { rbt post -o --diff-filename=- "$@"; }
 973 rbp() { rbt post -o "$@"; }
 974
 975 rl() {
 976     # rsync, root is required to keep permissions right.
 977     # rsync  --archive --human-readable --verbose --itemize-changes --checksum \(-ahvic\) \
 978         #                                       --no-times --delete
 979     # basically, make an exact copy, use checksums instead of file times to be more accurate
 980     rsync -ahvic --delete "$@"
 981 }
 982 rld() {
 983     # like rlu, but don't delete files on the target end which
 984     # do not exist on the original end.
 985     rsync -ahvic "$@"
 986 }
 987 complete -F _rsync -o nospace rld rl rlt
 988
 989 rlt() {
 990     # rl without preserving modification time.
 991     rsync -ahvic --delete --no-t "$@"
 992 }
 993
 994 rlu() { # [OPTS] HOST PATH
 995     # eg. rlu -opts frodo /testpath
 996     # relative paths will expanded with readlink -f.
 997     # useful for selectively sending dirs which have been synced with unison,
 998     # where the path is the same on both hosts.
 999     opts=("${@:1:$#-2}") #  1 to last -2
1000     path="${@:$#}" # last
1001     host="${@:$#-1:1}" # last -1
1002     if [[ $path == .* ]]; then
1003         path=$(readlink -f $path)
1004     fi
1005     # rync here uses checksum instead of time so we don't mess with
1006     # unison relying on time as much. g is for group, same reason
1007     # to keep up with unison.
1008     s rsync -rlpchviog --relative "${opts[@]}" "$path" "root@$host:/";
1009 }
1010
1011
1012 rspicy() { # usage: HOST DOMAIN
1013     # connect to spice vm remote host. use vspicy for local host
1014     local port=$(ssh $1<<EOF
1015 sudo virsh dumpxml $2|grep "<graphics.*type='spice'" | \
1016        sed -rn "s/.*port='([0-9]+).*/\1/p"
1017 EOF
1018           )
1019     if [[ $port ]]; then
1020         spicy -h $1 -p $port
1021     else
1022         echo "error: no port found. check that the domain is running."
1023     fi
1024 }
1025
1026 s() {
1027     # background
1028     # I use a function because otherwise we can't use in a script,
1029     # can't assign to variable.
1030     #
1031     # note: gksudo is recommended for X apps because it does not set the
1032     # home directory to the same, and thus apps writing to ~ fuck things up
1033     # with root owned files.
1034     #
1035     if [[ $EUID != 0 || $1 == -* ]]; then
1036         SUDOD="$PWD" sudo -i "$@"
1037     else
1038         "$@"
1039     fi
1040 }
1041
1042 safe_rename() { # warn and don't rename if file exists.
1043     # mv -n exists, but it's silent
1044     if [[ $# != 2 ]]; then
1045         echo safe_rename error: $# args, need 2 >2
1046         return 1
1047     fi
1048     if [[ $1 != $2 ]]; then # yes, we want to silently ignore this
1049         if [[ -e $2 || -L $2 ]]; then
1050             echo "Cannot rename $1 to $2 as it already exists."
1051         else
1052             mv -vi "$1" "$2"
1053         fi
1054     fi
1055 }
1056
1057
1058 sb() { # sudo bash -c
1059     # use sb instead of s is for sudo redirections,
1060     # eg. sb 'echo "ok fine" > /etc/file'
1061     local SUDOD="$PWD"
1062     sudo -i bash -c "$@"
1063 }
1064 complete -F _root_command s sb
1065
1066 scssl() {
1067     # s gem install scss-lint
1068     pushd /a/opt/thoughtbot-guides
1069     git pull --stat
1070     popd
1071     scss-lint -c /a/opt/thoughtbot-guides/style/sass/.scss-lint.yml "$@"
1072 }
1073
1074 ser() {
1075     local s; [[ $EUID != 0 ]] && s=sudo
1076     if type -p systemctl &>/dev/null; then
1077         $s systemctl $1 $2
1078     else
1079         $s service $2 $1
1080     fi
1081 }
1082
1083 sgo() { # service go
1084     service=$1
1085     ser restart $service
1086     if type -p systemctl &>/dev/null; then
1087         ser enable $service
1088     fi
1089 }
1090
1091
1092 shellck() {
1093     # 2086 = unquoted $var
1094     # 2046 = unquoted $(cmd)
1095     # i had -x as an arg, but debian testing(stretch) doesn't support it
1096     shellcheck -e 2086,2046,2068,2006,2119 "$@"
1097 }
1098
1099
1100 slog() {
1101     # log with script. timing is $1.t and script is $1.s
1102     # -l to save to ~/typescripts/
1103     # -t to add a timestamp to the filenames
1104     local logdir do_stamp arg_base
1105     (( $# >= 1 )) || { echo "arguments wrong"; return 1; }
1106     logdir="/a/dt/"
1107     do_stamp=false
1108     while getopts "lt" option
1109     do
1110         case $option in
1111             l ) arg_base=$logdir ;;
1112             t ) do_stamp=true ;;
1113         esac
1114     done
1115     shift $(($OPTIND - 1))
1116     arg_base+=$1
1117     [[ -e $logdir ]] || mkdir -p $logdir
1118     $do_stamp && arg_base+=$(date +%F.%T%z)
1119     script -t $arg_base.s 2> $arg_base.t
1120 }
1121 splay() { # script replay
1122     #logRoot="$HOME/typescripts/"
1123     #scriptreplay "$logRoot$1.t" "$logRoot$1.s"
1124     scriptreplay "$1.t" "$1.s"
1125 }
1126
1127 sr() {
1128     # sudo redo. be aware, this command may not work right on strange distros or earlier software
1129     if [[ $# == 0 ]]; then
1130         sudo -E bash -c -l "$(history -p '!!')"
1131     else
1132         echo this command redos last history item. no argument is accepted
1133     fi
1134 }
1135
1136 srm () {
1137     # with -ll, less secure but faster.
1138     command srm -ll "$@"
1139 }
1140
1141 srun() {
1142     scp $2 $1:/tmp
1143     ssh $1 /tmp/${2##*/} "${@:2}"
1144 }
1145
1146 swap() {
1147     local tmp
1148     tmp=$(mktemp)
1149     mv $1 $tmp
1150     mv $2 $1
1151     mv $tmp $2
1152 }
1153
1154 t() {
1155     local x
1156     local -a args
1157     if type -t trash-put >/dev/null; then
1158         # skip args that don't exist, or else trash-put will have an error
1159         for x in "$@"; do
1160             if [[ -e $x || -L $x ]]; then
1161                 args+=("$x")
1162             fi
1163         done
1164         [[ ! ${args[@]} ]] || trash-put "${args[@]}"
1165     else
1166         rm -rf "$@"
1167     fi
1168 }
1169
1170
1171 tclock() {
1172     clear
1173     date +%l:%_M
1174     len=60
1175     # this goes to full width
1176     #len=${1:-$((COLUMNS -7))}
1177     x=1
1178     while true; do
1179         if (( x == len )); then
1180             end=true
1181             d="$(date +%l:%_M)   "
1182         else
1183             end=false
1184             d=$(date +%l:%M:%_S)
1185         fi
1186         echo -en "\r"
1187         echo -n "$d"
1188         for ((i=0; i<x; i++)); do
1189             if (( i % 6 )); then
1190                 echo -n _
1191             else
1192                 echo -n .
1193             fi
1194         done
1195         if $end; then
1196             echo
1197             x=1
1198         else
1199             x=$((x+1))
1200         fi
1201         sleep 5
1202     done
1203 }
1204
1205
1206 te() {
1207     # test existence / exists
1208     local ret=0
1209     for x in "$@"; do
1210         [[ -e "$x" || -L "$x" ]] || ret=1
1211     done
1212     return $ret
1213 }
1214
1215 testmail() {
1216     declare -gi _seq; _seq+=1
1217     echo "test body" | m mail -s "test mail from $HOSTNAME, $_seq" "${@:-root@localhost}"
1218     # for testing to send from an external address, you can do for example
1219     # -aFrom:ian@iank.bid web-6fnbs@mail-tester.com
1220     # note in exim, you can retry a deferred message
1221     # s exim -M MSG_ID
1222     # MSG_ID is in /var/log/exim4/mainlog, looks like 1ccdnD-0001nh-EN
1223 }
1224
1225 # use -eW to actually modify mailbox
1226 testsievelist() {
1227     sieve-filter ~/sieve/main.sieve "$@" >/a/tmp/slog 2> >(tail) && sed -rn '/^Performed actions:/{n;n;p}' /a/tmp/slog | sort -u
1228 }
1229
1230
1231 testsieve() {
1232     sieve-filter ~/sieve/main.sieve "$@"
1233 }
1234
1235 testexim() {
1236     # testmail above calls sendmail, which is a link to exim/postfix.
1237     # it's docs don't say a way of adding an argument
1238     # to sendmail to turn on debug output. We could make a wrapper, but
1239     # that is a pain. Exim debug args are documented here:
1240     # http://www.exim.org/exim-html-current/doc/html/spec_html/ch-the_exim_command_line.html
1241     #
1242 # http://www.exim.org/exim-html-current/doc/html/spec_html/ch-building_and_installing_exim.html
1243 # note, for exim daemon, you can turn on debug options by
1244     # adding -d, etc to COMMONOPTIONS in
1245     # /etc/default/exim4
1246     # for testing external mail, you need the to address as final cmdline arg
1247     exim -d+tls -t <<'EOF'
1248 From: root@frodo.lan
1249 To: ian@mail.iankelling.org
1250 Subject: Testing Exim
1251
1252 This is a test message.
1253 EOF
1254 }
1255
1256 tm() {
1257     # timer in minutes
1258     # --no-config
1259     (sleep $(calc "$@ * 60") && mpv --no-config --volume 50 /a/bin/data/alarm.mp3) > /dev/null 2>&1 &
1260 }
1261
1262
1263 tu() {
1264     local s;
1265     local dir="$(dirname "$1")"
1266     if [[ -e $1 && ! -w $1 || ! -w $(dirname "$1") ]]; then
1267         s=s;
1268     fi
1269     $s teeu "$@"
1270 }
1271
1272 tx() { # toggle set -x, and the prompt so it doesn't spam
1273     if [[ $- == *x* ]]; then
1274         set +x
1275         PROMPT_COMMAND=prompt_command
1276     else
1277         unset PROMPT_COMMAND
1278         PS1="\w \$ "
1279         set -x
1280     fi
1281 }
1282
1283 psnetns() {
1284     # show all processes in the network namespace $1.
1285     # blank entries appear to be subprocesses/threads
1286     local x netns
1287     netns=$1
1288     ps -w | head -n 1
1289     s find -L /proc/[1-9]*/task/*/ns/net -samefile /run/netns/$netns | cut -d/ -f5 | \
1290         while read l; do
1291             x=$(ps -w --no-headers -p $l);
1292             if [[ $x ]]; then echo "$x"; else echo $l; fi;
1293         done
1294 }
1295
1296 m() { printf "%s\n" "$*";  "$@"; }
1297
1298
1299 vpncmd() {
1300     m s nsenter -t $(pgrep -f "/usr/sbin/openvpn --suppress-timestamps --nobind --config /etc/openvpn/client/client.conf") -n -m "$@"
1301 }
1302 vpnf() {
1303     vpncmd gksudo -u ian firefox &r
1304 }
1305 vpnbash() {
1306     vpncmd bash
1307 }
1308
1309
1310 trg() { transmission-remote-gtk&r; }
1311
1312 # transmission() {
1313 #     local pid=$(cat /var/lib/transmission-daemon/transmission-daemon.pid)
1314 #     if [[ $pid && -e /proc/$pid ]]; then
1315 #         echo "noop. already running."
1316 #         return
1317 #     fi
1318
1319 #     local NAME=transmission-daemon
1320 #     local DAEMON=/usr/bin/$NAME
1321 #     local duser=debian-transmission
1322
1323 #     [ -e /etc/default/$NAME ] && . /etc/default/$NAME
1324 #     s ip netns exec vpn sudo -u $duser ionice -c 3 nice -n 19 $DAEMON $OPTIONS
1325 # }
1326
1327 virshrm() {
1328     for x in "$@"; do virsh destroy "$x"; virsh undefine "$x"; done
1329 }
1330
1331 vm-set-listen(){
1332     local t=$(mktemp)
1333     local vm=$1
1334     local ip=$2
1335     s virsh dumpxml $vm | sed -r "s/(<listen.*address=')([^']+)/\1$ip/" | \
1336         sed -r "s/listen='[^']+/listen='$ip/"> $t
1337     s virsh undefine $vm
1338     s virsh define $t
1339 }
1340
1341
1342 vmshare() {
1343     vm-set-listen $1 0.0.0.0
1344 }
1345
1346
1347 vmunshare() {
1348     vm-set-listen $1 127.0.0.1
1349 }
1350
1351 vpn() {
1352     s systemctl start openvpn@client&
1353     journalctl --unit=openvpn@client -f -n0
1354 }
1355
1356
1357 vpnoff() {
1358     s systemctl stop openvpn@client
1359 }
1360
1361
1362 vrm() {
1363     virsh destroy $1
1364     virsh undefine $1
1365 }
1366
1367
1368
1369 vspicy() { # usage: VIRSH_DOMAIN
1370     # connect to vms made with virt-install
1371     spicy -p $(sudo virsh dumpxml "$1"|grep "<graphics.*type='spice'"|\
1372                    sed -r "s/.*port='([0-9]+).*/\1/")
1373 }
1374
1375
1376 whatismyip() { curl ipecho.net/plain ; echo; }
1377
1378
1379 #############################
1380 ######### misc stuff ########
1381 #############################
1382
1383 if [[ $- == *i* ]]; then
1384     # commands to run when bash exits normally
1385     trap "hl" EXIT
1386 fi
1387
1388
1389 # temporary variables to test colorization
1390 # some copied from gentoo /etc/bash/bashrc,
1391 use_color=false
1392 # dircolors --print-database uses its own built-in database
1393 # instead of using /etc/DIR_COLORS.  Try to use the external file
1394 # first to take advantage of user additions.
1395 safe_term=${TERM//[^[:alnum:]]/?}   # sanitize TERM
1396 match_lhs=""
1397 [[ -f ~/.dir_colors   ]] && match_lhs="${match_lhs}$(<~/.dir_colors)"
1398 [[ -f /etc/DIR_COLORS ]] && match_lhs="${match_lhs}$(</etc/DIR_COLORS)"
1399 [[ -z ${match_lhs}    ]] \
1400     && type -P dircolors >/dev/null \
1401     && match_lhs=$(dircolors --print-database)
1402 # test if our $TERM is in the TERM values in dircolor
1403 [[ $'\n'${match_lhs} == *$'\n'"TERM "${safe_term}* ]] && use_color=true
1404
1405
1406 if ${use_color} && [[ $- == *i* ]]; then
1407
1408     if [[ $XTERM_VERSION == Cygwin* ]]; then
1409         get_term_color() {
1410             for x in "$@"; do
1411                 case $x in
1412                     underl) echo -n $'\E[4m' ;;
1413                     bold) echo -n $'\E[1m' ;;
1414                     red) echo -n $'\E[31m' ;;
1415                     green) echo -n $'\E[32m' ;;
1416                     blue) echo -n $'\E[34m' ;;
1417                     cyan) echo -n $'\E[36m' ;;
1418                     yellow) echo -n $'\E[33m' ;;
1419                     purple) echo -n $'\E[35m' ;;
1420                     nocolor) echo -n $'\E(B\E[m' ;;
1421                 esac
1422             done
1423         }
1424
1425     else
1426         get_term_color() {
1427             for x in "$@"; do
1428                 case $x in
1429                     underl) echo -n $(tput smul) ;;
1430                     bold) echo -n $(tput bold) ;;
1431                     red) echo -n $(tput setaf 1) ;;
1432                     green) echo -n $(tput setaf 2) ;;
1433                     blue) echo -n $(tput setaf 4) ;;
1434                     cyan) echo -n $(tput setaf 6) ;;
1435                     yellow) echo -n $(tput setaf 3) ;;
1436                     purple) echo -n $(tput setaf 5) ;;
1437                     nocolor) echo -n $(tput sgr0) ;; # no font attributes
1438                 esac
1439             done
1440         }
1441     fi
1442 else
1443     get_term_color() {
1444         :
1445     }
1446 fi
1447 # Try to keep environment pollution down, EPA loves us.
1448 unset safe_term match_lhs use_color
1449
1450
1451
1452
1453
1454
1455 ###############
1456 # prompt ######
1457 ###############
1458
1459
1460 if [[ $- == *i* ]]; then
1461     # git branch/status prompt function
1462     if [[ $OS != Windows_NT ]]; then
1463         GIT_PS1_SHOWDIRTYSTATE=true
1464     fi
1465     # arch source lopip show -fcation
1466     [[ -r /usr/share/git/git-prompt.sh ]] && source /usr/share/git/git-prompt.sh
1467     # fedora/debian source
1468     [[ -r /usr/share/git-core/contrib/completion/git-prompt.sh ]] && source /usr/share/git-core/contrib/completion/git-prompt.sh
1469
1470     # in case we didn't source git-prompt.sh
1471     if ! declare -f __git_ps1 > /dev/null; then
1472         __git_ps1() {
1473             :
1474         }
1475     fi
1476
1477     # this needs to come before next ps1 stuff
1478     # this stuff needs bash 4, feb 2009,
1479     # old enough to no longer condition on $BASH_VERSION anymore
1480     shopt -s autocd
1481     shopt -s dirspell
1482     PS1='\w'
1483     if [[ $- == *i* ]]  && [[ ! $RLC_INSIDE_EMACS ]]; then
1484         PROMPT_DIRTRIM=2
1485         bind -m vi-command B:shell-backward-word
1486         bind -m vi-command W:shell-forward-word
1487     fi
1488
1489     if [[ $SSH_CLIENT ]]; then
1490         PS1="\h $PS1"
1491     fi
1492
1493     prompt_command() {
1494         local return=$? # this MUST COME FIRST
1495         local psc pst ps_char ps_color stale_subvol
1496         unset IFS
1497         history -a # save history
1498
1499         # for titlebar
1500         if [[ ! $DESKTOP_SESSION == xmonad && $TERM == *(screen*|xterm*|rxvt*) ]]; then
1501             # from the screen man page
1502             if [[ $TERM == screen* ]]; then
1503                 local title_escape="\033]..2;"
1504             else
1505                 local title_escape="\033]0;"
1506             fi
1507             echo -ne "$title_escape${PWD/#$HOME/~}  $USER@$HOSTNAME\007"
1508         fi
1509
1510
1511         case $return in
1512             0) ps_color="$(get_term_color blue)"
1513                ps_char='\$'
1514                ;;
1515             1) ps_color="$(get_term_color green)"
1516                ps_char="$return \\$"
1517                ;;
1518             *) ps_color="$(get_term_color yellow)"
1519                ps_char="$return \\$"
1520                ;;
1521         esac
1522         if [[ ! -O . ]]; then # not owner
1523             if [[ -w . ]]; then # writable
1524                 ps_color="$(get_term_color bold red)"
1525             else
1526                 ps_color="$(get_term_color bold green)"
1527             fi
1528         fi
1529         # I would set nullglob, but bash has had bugs where that
1530         # doesn't work if not in top level.
1531         if [[ -e /nocow/btrfs-stale ]] && ((`ls -AUq /nocow/btrfs-stale|wc -l`)); then
1532             ps_char="! $ps_char"
1533         fi
1534         PS1="${PS1%"${PS1#*[wW]}"} \[$ps_color\]$ps_char\[$(get_term_color nocolor)\] "
1535         # emacs completion doesn't like the git prompt atm, so disabling it.
1536         #PS1="${PS1%"${PS1#*[wW]}"}$(__git_ps1 ' (%s)') \[$ps_color\]$ps_char\[$(get_term_color nocolor)\] "
1537     }
1538     PROMPT_COMMAND=prompt_command
1539 fi
1540
1541
1542
1543 ###########################################
1544 # stuff that makes sense to be at the end #
1545 ###########################################
1546 if [[ "$SUDOD" ]]; then
1547     cd "$SUDOD"
1548     unset SUDOD
1549 elif [[ -d /a ]] && [[ $PWD == $HOME ]] && [[ $- == *i* ]]; then
1550     cd /a
1551 fi
1552
1553
1554 # best practice
1555 unset IFS
1556
1557
1558 # if someone exported $SOE, catch errors
1559 if [[ $SOE ]]; then
1560     errcatch
1561 fi
1562
1563 # I'd prefer to have system-wide, plus user ruby, due to bug in it
1564 # https://github.com/rubygems/rubygems/pull/1002
1565 # further problems: installing multi-user ruby and user ruby,
1566 # you don't get multi-user ruby when you sudo to root, unless its sudo -i.
1567 # There a third hybrid form, which passenger error suggested I use,
1568 # but it didn't actually work.
1569
1570 # in cased I never need this
1571 # rvm for non-interactive shell: modified from https://rvm.io/rvm/basics
1572 #if [[ $(type -t rvm) == file && ! $(type -t ruby) ]]; then
1573 #    source $(rvm 1.9.3 do rvm env --path)
1574 #fi
1575
1576 # based on warning from rvmsudo
1577 export rvmsudo_secure_path=1
1578
1579 # for other script I wrote
1580 #export ACME_TINY_PATH=/a/opt/acme-tiny
1581 export ACME_TINY_WRAPPER_CERT_DIR=/p/c/machine_specific/$HOSTNAME/webservercerts
1582
1583 if [[ -s "/usr/local/rvm/scripts/rvm" ]]; then
1584     source "/usr/local/rvm/scripts/rvm"
1585 elif [[ -s $HOME/.rvm/scripts/rvm ]]; then
1586     source $HOME/.rvm/scripts/rvm
1587 fi
1588
1589
1590 path_add --end ~/.npm-global
1591
1592
1593 # didn't get drush working, if I did, this seems like the
1594 # only good thing to include for it.
1595 # Include Drush completion.
1596 # if [ -f "/home/ian/.drush/drush.complete.sh" ] ; then
1597 #     source /home/ian/.drush/drush.complete.sh
1598 # fi
1599
1600
1601 # https://wiki.archlinux.org/index.php/Xinitrc#Autostart_X_at_login
1602 # i added an extra condition as gentoo xorg guide says depending on
1603 # $DISPLAY is fragile.
1604 if [[ ! $DISPLAY && $XDG_VTNR == 1 ]] && shopt -q login_shell && isarch; then
1605     exec startx
1606 fi
1607
1608
1609 # ensure no bad programs appending to this file will have an affect
1610 return 0