Simple command line daily journaling script

journal

#!/usr/bin/env sh
# Journal by Mark Riedesel
set -e

SCRIPT_DIR="$( cd "$(dirname $0)" &> /dev/null && pwd )"
EDITOR=${EDITOR:-nvim}
ENTRY_SUBDIR="entries"
ENTRY_DIR="${SCRIPT_DIR}/${ENTRY_SUBDIR}"


function build_date_string() {
	date_string=$(printf "%s " "$@")
	date +%Y-%m-%d -d "${date_string}"
}

function get_entry_path() {
	date_string=$(build_date_string $@)
	echo "${ENTRY_DIR}/${date_string}.md"
}

function entry_edit() {
	entry_path="$(get_entry_path $@)"
	# Open entry in specified editor
	$EDITOR "$entry_path"
	ask_commit_if_modified
}

function ask_commit_if_modified() {
	update_modified_entries
	if [ ${#MODIFIED_ENTRIES[@]} -gt 0 ]; then
		read -r -p "${#MODIFIED_ENTRIES[@]} modified entries, commit? [Y/n]" response
		case "${response}" in
			[nN][oO]|[nN])
				;;
			*)
				(cd $SCRIPT_DIR; git add $ENTRY_SUBDIR; git commit -m "$(make_commit_message)")
				;;
		esac
	fi
}

function update_modified_entries() {
	IFS=$'\n' read -r -d '' -a MODIFIED_ENTRIES < \
		<(cd $SCRIPT_DIR; git ls-files --modified --other -- $ENTRY_SUBDIR && printf '\0')
}

function make_commit_message() {
	commit_message='update entries:'
	modified_dates=()
	for entry in "${MODIFIED_ENTRIES[@]}"; do
		entry="${entry%.*}"
		entry="${entry##*/}"
		modified_dates+=($entry)
	done
	printf -v modified_dates_joined '%s, ' "${modified_dates[@]}"
	commit_message="${commit_message} ${modified_dates_joined%, }"
	echo "${commit_message}"
}

function run_git() {
	(cd $SCRIPT_DIR; git ${@})
}

function git_sync() {
	ask_commit_if_modified
	(cd $SCRIPT_DIR; git pull --rebase && git push)
}

function entry_print() {
	entry_path="$(get_entry_path "${@}")"
	if ! command -v lowdown &> /dev/null; then
		cat $entry_path
	else
		lowdown -tterm $entry_path
	fi
}

function entry_status() {
	update_modified_entries
	if [ ${#MODIFIED_ENTRIES[@]} -gt 0 ]; then
		for entry in "${MODIFIED_ENTRIES[@]}"; do
			echo "$entry"
		done
	fi
}

if [ ! -d "${ENTRY_DIR}" ]; then
	mkdir -p "${ENTRY_DIR}"
fi

case "${1:-help}" in
	"edit" | "e") entry_edit "${@:2}";;
	"git") run_git "${@:2}";;
	"path") get_entry_path "${@:2}";;
	"sync") git_sync;;
	"status" | "s") entry_status;;
	"print" | "echo") entry_print "${@:2}";;
	"help")
		echo "journal commands:"
		echo " echo [date='today']     echo entry to terminal (uses lowdown for formatting if available)"
		echo " edit [date='today']     open specified day for editing (\$EDITOR=${EDITOR})"
		echo " path [date='today']     echo the absolute path to the requested day's journal file"
		echo " sync                    push/pull remote git repositories"
		echo " status                  list modified journal entries"
		echo " git <commands>          run git in $SCRIPT_DIR"
		;;
	*)
		echo "unknown command: $1" >&2
		exit 1
		;;
esac

# vim: set ts=2: