Using git to manage todos

git-todo.sh

#!/bin/bash

# Using Git to Manage Todos
# by Jezen Thomas
# http://jezenthomas.com/using-git-to-manage-todos/

set -e

main() {
  while IFS= read -r todo; do
    printf "%s\n" "$(file_path):$(line_number) $(line_author) $(message)"
  done < <(todo_list)
}

todo_list() {
  grep -InR 'TODO' ./* \
    --exclude-dir=node_modules \
    --exclude-dir=public \
    --exclude-dir=vendor \
    --exclude-dir=compiled \
    --exclude-dir=git-hooks
}

line_author() {
  LINE=$(line_number "$todo")
  FILE=$(file_path "$todo")
  tput setaf 6
  printf "%s" "$(git log --pretty=format:"%cN" -s -L "$LINE","$LINE":"$FILE" | head -n 1)"
  tput sgr0
}

file_path() {
  printf "%s" "$todo" | cut -d':' -f 1
}

line_number() {
  printf "%s" "$todo" | cut -d':' -f 2
}

message() {
  printf "%s" "$todo" | cut -d':' -f 3 | xargs
}

main

exit 0