First working version

CHANGELOG.md

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+# Changelog
+
+### master
+- first working version

CONTRIBUTING.md

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+### Contributing
+
+Code contributions are welcome!
+
+If you wanna contribute a bigger feature, please open a github issue so we can
+discuss it together first.
+
+### Reporting a bug
+
+If you find a bug please report it in the issues. When reporting a bug please
+attach:
+- a file symlinked to `~/.tmux/resurrect/last`.
+- your `.tmux.conf`
+- if you're getting an error paste it to a [gist](https://gist.github.com/) and
+  link it in the issue

LICENSE.md

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+Copyright (C) Bruno Sutic
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the "Software"),
+to deal in the Software without restriction, including without limitation
+the rights to use, copy, modify, merge, publish, distribute, sublicense,
+and/or sell copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
+OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

resurrect_auto.tmux

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+#!/usr/bin/env bash
+
+CURRENT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+source "$CURRENT_DIR/scripts/helpers.sh"
+
+save_command_interpolation="#($CURRENT_DIR/scripts/resurrect_auto_save.sh)"
+
+add_resurrect_save_interpolation() {
+	local status_right_value="$(get_tmux_option "status-right" "")"
+	local new_value="${save_command_interpolation}${status_right_value}"
+	set_tmux_option "status-right" "$new_value"
+}
+
+main() {
+	add_resurrect_save_interpolation
+}
+main

scripts/check_tmux_version.sh

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+#!/usr/bin/env bash
+
+VERSION="$1"
+UNSUPPORTED_MSG="$2"
+
+# this is used to get "clean" integer version number. Examples:
+# `tmux 1.9` => `19`
+# `1.9a`     => `19`
+get_digits_from_string() {
+	local string="$1"
+	local only_digits="$(echo "$string" | tr -dC '[:digit:]')"
+	echo "$only_digits"
+}
+
+tmux_version_int() {
+	local tmux_version_string=$(tmux -V)
+	echo "$(get_digits_from_string "$tmux_version_string")"
+}
+
+exit_if_unsupported_version() {
+	local current_version="$1"
+	local supported_version="$2"
+	if [ "$current_version" -lt "$supported_version" ]; then
+		exit 1
+	fi
+}
+
+main() {
+	local supported_version_int="$(get_digits_from_string "$VERSION")"
+	local current_version_int="$(tmux_version_int)"
+	exit_if_unsupported_version "$current_version_int" "$supported_version_int"
+}
+main

scripts/helpers.sh

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+get_tmux_option() {
+	local option="$1"
+	local default_value="$2"
+	local option_value=$(tmux show-option -gqv "$option")
+	if [ -z "$option_value" ]; then
+		echo "$default_value"
+	else
+		echo "$option_value"
+	fi
+}
+
+set_tmux_option() {
+	local option="$1"
+	local value="$2"
+	tmux set-option -gq "$option" "$value"
+}

scripts/resurrect_auto_save.sh

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+#!/usr/bin/env bash
+
+CURRENT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+source "$CURRENT_DIR/helpers.sh"
+source "$CURRENT_DIR/variables.sh"
+
+supported_tmux_version_ok() {
+	$CURRENT_DIR/check_tmux_version.sh "$SUPPORTED_VERSION"
+}
+
+current_timestamp() {
+	echo "$(date +%s)"
+}
+
+set_last_save_timestamp() {
+	set_tmux_option "$last_auto_save_option" "$(current_timestamp)"
+}
+
+enough_time_since_last_run_passed() {
+	local last_saved_timestamp="$(get_tmux_option "$last_auto_save_option" "0")"
+	local interval_minutes="$(get_tmux_option "$auto_save_interval_option" "$auto_save_interval_default")"
+	local interval_seconds="$((interval_minutes * 60))"
+	local next_run="$((last_saved_timestamp + $interval_seconds))"
+	[ "$(current_timestamp)" -ge "$next_run" ]
+}
+
+fetch_and_run_tmux_resurrect_save_script() {
+	local resurrect_save_script_path="$(get_tmux_option "$resurrect_save_path_option" "")"
+	if [ -n "$resurrect_save_script_path" ]; then
+		$resurrect_save_script_path "no-spinner"
+		set_last_save_timestamp
+	fi
+}
+
+main() {
+	if supported_tmux_version_ok && enough_time_since_last_run_passed; then
+		fetch_and_run_tmux_resurrect_save_script
+	fi
+}
+main

scripts/variables.sh

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+SUPPORTED_VERSION="1.9"
+
+# these tmux options contain paths to tmux resurrect save and restore scripts
+resurrect_save_path_option="@resurrect-save-script-path"
+resurrect_restore_path_option="@resurrect-restore-script-path"
+
+auto_save_interval_default="15"
+auto_save_interval_option="@resurrect-auto-save-interval"
+
+# time when the tmux environment was last saved (unix timestamp)
+last_auto_save_option="@resurrect-auto-save-last-timestamp"