#!/bin/sh
# Part of sh-todo:
# https://github.com/asb/sh-todo
set -e
. ~/.sh-todo
SCRIPTNAME=$(basename $0)
# Return 0 if $2 contains all tags in $1 and 1 otherwise. Returns 0 in the
# case that $1 is empty.
match_tags() {
WANTEDTAGS=$1
LINETAGS="$2 "
for TAG in $WANTEDTAGS; do
if [ "${LINETAGS#*$TAG }" = "$LINETAGS" ]; then
return 1
fi
done
return 0
}
output_line() {
LINE=$1
if [ $TODO_RAW ]; then
printf "%s\n" "$LINE"
elif [ "${LINE#DONE }" != "$LINE" ]; then
printf "• $BEGIN_DONE%s$END_DONE\n" "${LINE#DONE }"
else
printf "• %s\n" "${LINE#TODO }"
fi
}
parse_linetags() {
LINETAGS="${1#*\[}"
if [ "$LINETAGS" != "$LINE" ]; then
LINETAGS="${LINETAGS%]*}"
else
LINETAGS=""
fi
printf "%s" "$LINETAGS"
}
# If given a todo, then add that to the list of tasks. Otherwise, print all
# todo items which have the given tags
do_todo() {
[ -e "$TODO_F" ] || touch "$TODO_F"
if [ -z "$INPUT" ]; then # No todo given, so print current tasks with matching tags
while read -r LINE; do
if match_tags "$ARGTAGS" "$(parse_linetags "$LINE")"; then
output_line "$LINE"
fi
done < "$TODO_F"
else # Must be adding a new todo
printf "TODO %s%s\n" "$INPUT" "${ARGTAGS:+ [$ARGTAGS]}" >> "$TODO_F"
fi
exit 0
}
do_todo_edit() {
[ -n "$SAVEFILE" ] && > "$TODO_F.tmp"
while read -r LINE; do
if [ "${LINE#TODO *$INPUT}" != "$LINE" ] && match_tags "$ARGTAGS" "$(parse_linetags "$LINE")"; then
LINETAGS=$(parse_linetags "$LINE")
LINEPREFIX=${LINE% \[$LINETAGS\]}
LINETAGS="$LINETAGS "
# First apply REMTAGS
for TAG in $REMTAGS; do
if [ "${LINETAGS#*$TAG }" != "$LINETAGS" ]; then
SFX="${LINETAGS#*$TAG }"
LINETAGS="${LINETAGS%$TAG *}$SFX"
fi
done
# Now apply ADDTAGS
for TAG in $ADDTAGS; do
if [ "${LINETAGS#*$TAG }" = "$LINETAGS" ]; then
LINETAGS="$LINETAGS$TAG "
fi
done
LINETAGS="${LINETAGS% }"
LINE=$(printf "%s%s" "$LINEPREFIX" "${LINETAGS:+ [$LINETAGS]}")
output_line "$LINE"
fi
[ -n "$SAVEFILE" ] && printf "%s\n" "$LINE" >> "$TODO_F.tmp"
done < "$TODO_F"
if [ -n "$SAVEFILE" ]; then
cp "$TODO_F" "$TODO_F.old"
mv "$TODO_F.tmp" "$TODO_F"
fi
exit 0
}
# Enter an environment where all todo-* commands will already include the
# given tasks. Useful for focusing on a certain subset of tasks. This relies
# on bash, and is not portable
do_todo_focus() {
if [ -z "$ARGTAGS" ]; then
printf "Error: must specify at least one tag to enter todo-focus\n" >&2
exit 1
fi
TMPFILE=$(mktemp)
TAGS="$*"
cat < $TMPFILE
. /etc/bash.bashrc
. ~/.bashrc
alias todo="todo $ARGTAGS"
alias todone="todone $ARGTAGS"
alias todone-archive="todone-archive $ARGTAGS"
alias todone-view="todone-view $ARGTAGS"
export PS1="todo-focus $ARGTAGS \$PS1"
EOF
bash --rcfile $TMPFILE -i
rm $TMPFILE
}
# Mark any tasks matching the given pattern as done. Tags can also be
# specified to limit the scope of the match
do_todone() {
if [ -z "$INPUT" ]; then
printf "Error: no todo to mark done specified\n" >&2
exit 1
fi
> "$TODO_F.tmp"
HAD_MATCH=0
while read -r LINE; do
if [ "${LINE#TODO *$INPUT}" != "$LINE" ] && match_tags "$ARGTAGS" "$(parse_linetags "$LINE")"; then
HAD_MATCH=1
TASK="${LINE#TODO }"
LINE=$(printf "DONE %s ($(date "+%Y-%m-%d %R"))" "$TASK")
output_line "$LINE"
printf "%s\n" "$LINE" >> "$TODONE_F"
fi
printf "%s\n" "$LINE" >> "$TODO_F.tmp"
done < "$TODO_F"
if [ $HAD_MATCH -eq 0 ]; then
printf "Error: no tasks matched the given pattern\n" >&2
rm "$TODO_F.tmp"
exit 1
fi
mv "$TODO_F.tmp" "$TODO_F"
}
# Remove all DONE lines with the given tags from $TODO_F. All such lines will
# already have been added to $TODONE_F
do_todone_archive() {
> "$TODO_F.tmp"
while read -r LINE; do
if [ "${LINE#DONE }" != "$LINE" ] && match_tags "$ARGTAGS" "$(parse_linetags "$LINE")"; then
output_line "$LINE"
else
printf "%s\n" "$LINE" >> "$TODO_F.tmp"
fi;
done < "$TODO_F"
mv "$TODO_F.tmp" "$TODO_F"
}
# Show a formatted list of completed tasks (can be limited by specifying
# desired tags).
# This function uses tac which is non-POSIX, as is the -d argument to date
do_todone_view() {
TAC=tac
#TAC="tail -r" # For OSX/BSD
$TAC "$TODONE_F" | while read -r LINE; do
if ! match_tags "$ARGTAGS" "$(parse_linetags "$LINE")"; then
continue;
fi
TRIMLINE=${LINE%(*)} # strip the timestamp
TIMESTAMP=${LINE#"$TRIMLINE("}
TIMESTAMP=${TIMESTAMP%)}
DATE=${TIMESTAMP%% [0-9][0-9]:[0-9][0-9]}
TIME=${TIMESTAMP#"$DATE "}
if [ "$DATE" != "$LASTDATE" ]; then
printf "\n$(date -d"$DATE" "+%A %d %B %Y")\n\n"
fi
printf "• %s($TIME)\n" "${TRIMLINE#DONE }"
LASTDATE=$DATE
done | less
}
# Parse arguments
ARGTAGS=""
INPUT=""
for ARG in "$@"; do
if [ "$SCRIPTNAME" = "todo-edit" ] && [ "$ARG" = "--save" ]; then
SAVEFILE=1
elif [ "${ARG#@}" != "$ARG" ] ; then
ARGTST="$ARGTAGS "
if [ "${ARGTST#*$ARG }" = "$ARGTST" ]; then
ARGTAGS="${ARGTAGS:+$ARGTAGS }$ARG"
fi
elif [ "$SCRIPTNAME" = "todo-edit" ] && [ "${ARG#-@}" != "$ARG" ]; then
REMTAGS="${REMTAGS:+$REMTAGS }${ARG#-}"
elif [ "$SCRIPTNAME" = "todo-edit" ] && [ "${ARG#+@}" != "$ARG" ]; then
ADDTAGS="${ADDTAGS:+$ADDTAGS }${ARG#+}"
else
INPUT="${INPUT:+$INPUT }$ARG"
fi
done
if [ "$SCRIPTNAME" = "todo" ]; then
do_todo
elif [ "$SCRIPTNAME" = "todo-edit" ]; then
do_todo_edit
elif [ "$SCRIPTNAME" = "todo-focus" ]; then
do_todo_focus
elif [ "$SCRIPTNAME" = "todone" ]; then
do_todone
elif [ "$SCRIPTNAME" = "todone-archive" ]; then
do_todone_archive
elif [ "$SCRIPTNAME" = "todone-view" ]; then
do_todone_view
else
printf "Error: this is a multicall script, but was called with unrecognised script name '%s'\n" "$SCRIPTNAME" >&2
exit 1
fi