git-nocom

   1 #!/usr/bin/env bash
   2
   3 #=======================================================================
   4 # git-nocom
   5 # File ID: 6553a34c-1194-11e2-97b0-fefdb24f8e10
   6 #
   7 # List all branches except those containing "commit-[0-9a-f]{40}" .
   8 # Can be used for things like this:
   9 #
  10 #   git log `git branch -a | git nocom`
  11 #
  12 # Author: Øyvind A. Holm <sunny@sunbase.org>
  13 # License: GNU General Public License version 2 or later.
  14 #=======================================================================
  15
  16 progname=git-nocom
  17 VERSION=0.2.1
  18
  19 ARGS="$(getopt -o "\
  20 h\
  21 q\
  22 r\
  23 v\
  24 " -l "\
  25 help,\
  26 quiet,\
  27 reverse,\
  28 verbose,\
  29 version,\
  30 " -n "$progname" -- "$@")"
  31 test "$?" = "0" || exit 1
  32 eval set -- "$ARGS"
  33
  34 opt_help=0
  35 opt_quiet=0
  36 opt_reverse=0
  37 opt_verbose=0
  38 while :; do
  39     case "$1" in
  40         -h|--help) opt_help=1; shift ;;
  41         -q|--quiet) opt_quiet=$(($opt_quiet + 1)); shift ;;
  42         -r|--reverse) opt_reverse=1; shift ;;
  43         -v|--verbose) opt_verbose=$(($opt_verbose + 1)); shift ;;
  44         --version) echo $progname $VERSION; exit 0 ;;
  45         --) shift; break ;;
  46         *) echo $progname: Internal error >&2; exit 1 ;;
  47     esac
  48 done
  49 opt_verbose=$(($opt_verbose - $opt_quiet))
  50
  51 if test "$opt_help" = "1"; then
  52     test $opt_verbose -gt 0 && { echo; echo $progname $VERSION; }
  53     cat <<END
  54
  55 List all branches except those containing "commit-[0-9a-f]{40}" .
  56 Can be used for things like this:
  57
  58   git log \`git branch -a | git nocom\`
  59
  60 Usage: $progname [options]
  61
  62 Options:
  63
  64   -h, --help
  65     Show this help.
  66   -q, --quiet
  67     Be more quiet. Can be repeated to increase silence.
  68   -r, --reverse
  69     Reverse the behaviour, only display commit-* branches.
  70   -v, --verbose
  71     Increase level of verbosity. Can be repeated.
  72   --version
  73     Print version information.
  74
  75 END
  76     exit 0
  77 fi
  78
  79 v_str=
  80 test "$opt_reverse" = "1" || v_str=-v
  81 grep -v "HEAD detached" |
  82 fmt -1 |
  83 tr -d '\t ' |
  84 grep -v -E '^(->|\*|.*/HEAD)$' |
  85 grep -E $v_str 'commit-[0-9a-f]{40}'