ga-other

   1 #!/usr/bin/env bash
   2
   3 #=======================================================================
   4 # ga-other
   5 # File ID: 8ccdcd38-f1c3-11e3-96ba-c80aa9e67bbd
   6 #
   7 # Read filenames from stdin and store the git-annex key to
   8 # /kopiert-annex/$1. For documenting where I got files from or who I've
   9 # given a copy to. If all copies should be destroyed (FSM forbid) I know
  10 # where to get another copy. Example:
  11 #
  12 # ls | ga-other Some_Bloke
  13 # find -type l | ga-other Another_Bloke
  14 #
  15 # Author: Øyvind A. Holm <sunny@sunbase.org>
  16 # License: GNU General Public License version 2 or later.
  17 #=======================================================================
  18
  19 progname=ga-other
  20 VERSION=0.1.0
  21
  22 ARGS="$(getopt -o "\
  23 h\
  24 q\
  25 v\
  26 " -l "\
  27 help,\
  28 quiet,\
  29 verbose,\
  30 version,\
  31 " -n "$progname" -- "$@")"
  32 test "$?" = "0" || exit 1
  33 eval set -- "$ARGS"
  34
  35 opt_help=0
  36 opt_quiet=0
  37 opt_verbose=0
  38 while :; do
  39     case "$1" in
  40         -h|--help) opt_help=1; shift ;;
  41         -q|--quiet) opt_quiet=$(($opt_quiet + 1)); shift ;;
  42         -v|--verbose) opt_verbose=$(($opt_verbose + 1)); shift ;;
  43         --version) echo $progname $VERSION; exit 0 ;;
  44         --) shift; break ;;
  45         *) echo $progname: Internal error >&2; exit 1 ;;
  46     esac
  47 done
  48 opt_verbose=$(($opt_verbose - $opt_quiet))
  49
  50 if test "$opt_help" = "1"; then
  51     test $opt_verbose -gt 0 && { echo; echo $progname $VERSION; }
  52     cat <<END
  53
  54 Read filenames from stdin and store the git-annex key to
  55 /kopiert-annex/$1. For documenting where I got files from or who I've
  56 given a copy to. If all copies should be destroyed (FSM forbid) I know
  57 where to get another copy. Example:
  58
  59 ls | ga-other Some_Bloke
  60 find -type l | ga-other Another_Bloke
  61
  62 Usage: $progname [options]
  63
  64 Options:
  65
  66   -h, --help
  67     Show this help.
  68   -q, --quiet
  69     Be more quiet. Can be repeated to increase silence.
  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 test -z "$1" && { echo $progname: Name not specified >&2; exit 1; }
  80 topdir="$(git rev-parse --show-toplevel)"
  81 kopidir="$topdir/kopiert-annex"
  82 test -d "$kopidir" || mkdir "$kopidir" || \
  83     { echo $progname: $kopidir: Cannot create directory >&2; exit 1; }
  84 filename="$1.txt"
  85 destfile="$kopidir/$filename"
  86
  87 while read f; do
  88     key=$(git annex lookupkey "$f")
  89     test -n "$key" && echo "$key" >>"$destfile"
  90 done
  91
  92 sort -u "$destfile" >"$destfile.tmp"
  93 mv "$destfile.tmp" "$destfile"