goodnight.sh

#!/bin/bash

set -Eeufo pipefail
trap 'echo >&2 "$0:$LINENO [$?]: $BASH_COMMAND"' ERR

# This script moves the contents of Today.md to the end of $YYYY.md,
# preceded by a heading of the form "# Weekday, Day Month Year".

name=$(basename "$0")
usage="usage: $name [-hfdl] [-t file] [-j file] [-v[+|-]val[ymwdHMS]]"

today=~/Notes/Today.md
journal=$PROJECTS/journal/$(date +%Y).md
force=false
offset=-5H
language=false

while getopts ':t:j:v:hfdl' opt; do
    case $opt in
        f) force=true;;
        t) today=$OPTAG;;
        j) journal=$OPTARG;;
        v) offset=$OPTARG;;
        d) offset='-1d';;
        l) language=true;;
        h)
            echo "$usage"
            exit 0
            ;;
        :)
            echo "$name: $OPTARG: missing argument" >&2
            echo "$usage" >&2
            exit 1
            ;;
        \?)
            echo "$name: $OPTARG: illegal option" >&2
            echo "$usage" >&2
            exit 1
            ;;
    esac
done

if [[ $force == true ]]; then
    [[ -f $journal ]] || touch "$journal"
    [[ -f $today ]] || touch "$today"
else
    [[ -f $journal ]] || (echo "$name: $journal: no such file" >&2; exit 1)
    [[ -f $today ]] || (echo "$name: $today: no such file" >&2; exit 1)
    [[ -s $today ]] || (echo "$name: $today: file is empty" >&2; exit 1)
fi

year=$(date -v "$offset" +%Y)
month=$(date -v "$offset" +%B)
weekday=$(date -v "$offset" +%A)
day=$(date -v "$offset" +%e | xargs)

entry=$'\n'
entry+="# $weekday, $day $month $year"$'\n\n'
entry+=$(< "$today")
entry+=$'\n'
echo -n "$entry" >> "$journal"
if $language; then
    if [[ "02468" == *"${day: -1}"* ]]; then
        echo -n "English" > "$today"
    else
        echo -n "Français" > "$today"
    fi
else
    true > "$today"
fi

journallint "$journal"
cd "$(dirname "$journal")"
git add .
git diff --cached
read -rp "Commit? [Y/n]"
case $REPLY in
    n|N) git reset; exit 0 ;;
esac
git commit -m "Add entry"
git push