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path: root/tmux/.local/bin/tmux-sessionizer
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#!/bin/sh
# shellcheck disable=2016

get_timestamp() {
	session_file="$XDG_DATA_HOME/nvim/sessions/$(echo "$1" | sed "s|/|%|g").vim"
	if [ -f "$session_file" ]; then
		stat -c %Y:"$1" "$session_file"
	elif git -C "$1" rev-parse HEAD >/dev/null 2>&1; then
		git -C "$1" --no-pager log -1 --all --format="%at:$1" 2>/dev/null
	elif [ -e "$1/.git" ]; then
		stat -c %Y:"$1" "$1"/.git
	else
		stat -c %Y:"$1" "$1"
	fi
}

if [ "$#" -eq 0 ]; then
	PROJECT_DIR="$HOME/src"
	DIRS="$(get_timestamp "$HOME/.dotfiles")"

	for entry in "$PROJECT_DIR"/*; do
		if [ -d "$entry" ]; then
			DIRS="$DIRS $(get_timestamp "$entry")"
		fi
	done

	output="$(echo "$DIRS" | tr -s '[:space:]' '\n' | sort -r | cut -d':' -f2- |
		fzf-tmux -p -- --print-query -d/ --with-nth -2.. --preview="$FZF_PREVIEW_COMMAND {}")"

	set -f
	set -- "$output"
	set -- "${1:-$2}"
	set -f
fi

if [ -z "$1" ]; then
	exit 0
fi

mkdir -p "$1"

name=$(basename "$1" | tr . _)

if [ -z "$TMUX" ] && pgrep tmux; then
	tmux new-session -s "$name" -c "$1"
	exit 0
fi

if ! tmux has-session -t="$name" 2>/dev/null; then
	tmux new-session -ds "$name" -c "$1"
fi

tmux switch-client -t "$name"