todo.sh

   1 #!/bin/sh
   2 # TODO, a cli GTD toy
   3 # Copyright (C) 2008  Alejandro Mery <amery@geeks.cl>
   4 #
   5 # This program is free software: you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation, either version 3 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17
  18 TODOTMP="${TMP:-/tmp}/.todo.$$"
  19 TODODIR="$HOME/.todo"
  20
  21 TAGS=
  22 MODE=new
  23
  24 todo_usage()
  25 {
  26         [ $# -eq 0 ] || echo "ERROR: $*" >&2
  27         echo "Usage: $0 [-t tag]* [message]" >&2
  28
  29         exit 1
  30 }
  31
  32 todo_trap()
  33 {
  34         echo "Ctrl-C pressed, aborting." >&2
  35         rm -rf "$TODOTMP"
  36         exit 1
  37 }
  38
  39 trap ':' INT
  40
  41 options=$( getopt -o "$t:" -- "$@" )
  42 if [ $? -ne 0 ]; then
  43         todo_usage
  44 fi
  45
  46 # load new arguments list
  47 eval set -- "$options"
  48
  49 while [ $# -gt 0 ]; do
  50         case "$1" in
  51         -t)     TAGS="$TAGS $2"; shift ;;
  52
  53         --)     shift; break ;;
  54         -*)     todo_usage unknown option "$1"
  55                 ;;
  56         esac
  57         shift
  58 done
  59
  60 TAGS=$( echo "$TAGS" | tr 'a-z' 'A-Z' )
  61
  62 todo_new()
  63 {
  64         DATE=
  65         # find a unique date/hash
  66         #
  67         while [ -z "$DATE" ]; do
  68                 DATE=$(date --rfc-3339=seconds)
  69                 DATEHASH=$( echo "$DATE" | sha1sum | cut -d' ' -f1 )
  70                 DATEHASH_1=$( echo "$DATEHASH" | cut -c 1 )
  71                 ENTRYDIR="$TODODIR/entries/$DATEHASH_1"
  72                 ENTRY="$ENTRYDIR/$DATEHASH"
  73
  74                 if [ -e "$ENTRY" ]; then
  75                         DATE=
  76                         sleep 1
  77                 else
  78                         mkdir -p "$ENTRYDIR"
  79                 fi
  80         done
  81
  82         if [ $# -gt 0 ]; then
  83                 echo "$*" > "$TODOTMP"
  84                 echo "Added: $DATE" >> "$TODOTMP"
  85         else
  86                 echo "Subject: ..." > "$TODOTMP.empty"
  87                 echo "Added: $DATE" >> "$TODOTMP.empty"
  88                 cp "$TODOTMP.empty" "$TODOTMP"
  89
  90                 ${EDITOR:-vi} "$TODOTMP"
  91
  92                 if cmp -s "$TODOTMP" "$TODOTMP.empty"; then
  93                         rm -f "$TODOTMP" "$TODOTMP.empty"
  94                         return
  95                 fi
  96         fi
  97
  98         mv "$TODOTMP" "$ENTRY"
  99
 100         for tag in $TAGS INBOX; do
 101                 [ -d "$TODODIR/$tag" ] || mkdir "$TODODIR/$tag"
 102
 103                 ln -s "../entries/$DATEHASH_1/$DATEHASH" "$TODODIR/$tag/$DATEHASH"
 104         done
 105
 106         echo "$DATEHASH"
 107 }
 108
 109 case "$MODE" in
 110         new)    todo_new "$@"
 111                 ;;
 112 esac