From cf394f37425fbe4601b441b5a9dac2cff70410b0 Mon Sep 17 00:00:00 2001
From: Alex Karle <alex@alexkarle.com>
Date: Thu, 3 Mar 2022 21:17:22 -0500
Subject: [PATCH] Add initial implementation with new/list/edit/init

There's probably a lot of polish (and doc) to still do, but
I wanted to get in the initial implementation!
---
 today | 88 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 88 insertions(+)
 create mode 100755 today

diff --git a/today b/today
new file mode 100755
index 0000000..484a25d
--- /dev/null
+++ b/today
@@ -0,0 +1,88 @@
+#!/bin/sh
+# today -- what did you do today?
+set -e
+err() {
+	echo "$*" 1>&2
+}
+
+die() {
+	err "$*"
+	exit 1
+}
+
+DIR=${TODAY_DIR:-$HOME/.today}
+LOG=$DIR/log
+
+gitdo() {
+	git -C "$DIR" "$@"
+}
+
+commit() {
+	if ! git diff --quiet; then
+		gitdo add "$LOG"
+		gitdo commit -m "$@"
+	else
+		echo "No changes, exiting"
+	fi
+}
+
+init() {
+	mkdir -p "$DIR"
+	[ -d "$DIR/.git" ] && die "$DIR exists as a git repo already"
+	gitdo init -b main
+	cat <<EOM >"$LOG"
+today -- what did you do today?
+-------------------------------
+EOM
+	commit "Initial commit"
+}
+
+reqinit() {
+	if [ ! -d "$DIR" ]; then
+		die "$DIR doesn't exist; init with -i first or set \$TODAY_DIR"
+	fi
+}
+
+edlog() {
+	ed -p'ed> ' "$@" "$LOG"
+	commit "Auto commit"
+}
+
+new() {
+	printf "\n[%s]\n" "$(date "+%F")" >> "$LOG"
+	edlog
+}
+
+list() {
+	re='^\[[0-9][0-9][0-9][0-9]-[0-9][0-9]-[0-9][0-9]\]$'
+	case "x$1" in
+		x) cat "$LOG" ;;
+		x[0-9]*)
+			i="$1"
+			N="$(grep "$re" "$LOG" | wc -l)"
+			if [ $i -gt $N ]; then
+				cat "$LOG"
+				return
+			fi
+			rm -f /tmp/today.ed
+			while [ $i -gt 0 ]; do
+				i=$((i - 1))
+				printf "?%s?;" "$re" >>/tmp/today.ed
+			done
+			printf "\$p\nq\n" >>/tmp/today.ed
+			ed -s "$LOG" </tmp/today.ed
+			;;
+		*) die "$1 isn't a number" ;;
+	esac
+}
+
+case "$1" in
+	-e) reqinit && edlog ;;
+	-i) init             ;;
+	-n) reqinit && new   ;;
+	-l) reqinit && list "$2" ;;
+	*)
+		err "error: unknown option $1"
+		die "usage: today [-ein] [-l [NUM]]"
+		;;
+esac
--
libgit2 1.1.1