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Добавлены конфиги tmux и zsh

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eKa
2019-09-18 00:17:47 +05:00
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78
tmux/plugins/tmux-ressurect/scripts/check_tmux_version.sh Executable file
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#!/usr/bin/env bash
VERSION="$1"
UNSUPPORTED_MSG="$2"
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
}
# Ensures a message is displayed for 5 seconds in tmux prompt.
# Does not override the 'display-time' tmux option.
display_message() {
local message="$1"
# display_duration defaults to 5 seconds, if not passed as an argument
if [ "$#" -eq 2 ]; then
local display_duration="$2"
else
local display_duration="5000"
fi
# saves user-set 'display-time' option
local saved_display_time=$(get_tmux_option "display-time" "750")
# sets message display time to 5 seconds
tmux set-option -gq display-time "$display_duration"
# displays message
tmux display-message "$message"
# restores original 'display-time' value
tmux set-option -gq display-time "$saved_display_time"
}
# 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 "$tmux_version_string")"
}
unsupported_version_message() {
if [ -n "$UNSUPPORTED_MSG" ]; then
echo "$UNSUPPORTED_MSG"
else
echo "Error, Tmux version unsupported! Please install Tmux version $VERSION or greater!"
fi
}
exit_if_unsupported_version() {
local current_version="$1"
local supported_version="$2"
if [ "$current_version" -lt "$supported_version" ]; then
display_message "$(unsupported_version_message)"
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

168
tmux/plugins/tmux-ressurect/scripts/helpers.sh Normal file
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default_resurrect_dir="$HOME/.tmux/resurrect"
resurrect_dir_option="@resurrect-dir"
SUPPORTED_VERSION="1.9"
RESURRECT_FILE_PREFIX="tmux_resurrect"
RESURRECT_FILE_EXTENSION="txt"
_RESURRECT_DIR=""
_RESURRECT_FILE_PATH=""
d=$'\t'
# helper functions
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
}
# Ensures a message is displayed for 5 seconds in tmux prompt.
# Does not override the 'display-time' tmux option.
display_message() {
local message="$1"
# display_duration defaults to 5 seconds, if not passed as an argument
if [ "$#" -eq 2 ]; then
local display_duration="$2"
else
local display_duration="5000"
fi
# saves user-set 'display-time' option
local saved_display_time=$(get_tmux_option "display-time" "750")
# sets message display time to 5 seconds
tmux set-option -gq display-time "$display_duration"
# displays message
tmux display-message "$message"
# restores original 'display-time' value
tmux set-option -gq display-time "$saved_display_time"
}
supported_tmux_version_ok() {
$CURRENT_DIR/check_tmux_version.sh "$SUPPORTED_VERSION"
}
remove_first_char() {
echo "$1" | cut -c2-
}
capture_pane_contents_option_on() {
local option="$(get_tmux_option "$pane_contents_option" "off")"
[ "$option" == "on" ]
}
files_differ() {
! cmp -s "$1" "$2"
}
save_shell_history_option_on() {
local option_shell="$(get_tmux_option "$shell_history_option" "off")"
local option_bash="$(get_tmux_option "$bash_history_option" "off")"
[ "$option_shell" == "on" ] || [ "$option_bash" == "on" ]
}
get_grouped_sessions() {
local grouped_sessions_dump="$1"
export GROUPED_SESSIONS="${d}$(echo "$grouped_sessions_dump" | cut -f2 -d"$d" | tr "\\n" "$d")"
}
is_session_grouped() {
local session_name="$1"
[[ "$GROUPED_SESSIONS" == *"${d}${session_name}${d}"* ]]
}
# pane content file helpers
pane_contents_create_archive() {
tar cf - -C "$(resurrect_dir)/save/" ./pane_contents/ |
gzip > "$(pane_contents_archive_file)"
}
pane_content_files_restore_from_archive() {
local archive_file="$(pane_contents_archive_file)"
if [ -f "$archive_file" ]; then
mkdir -p "$(pane_contents_dir "restore")"
gzip -d < "$archive_file" |
tar xf - -C "$(resurrect_dir)/restore/"
fi
}
# path helpers
resurrect_dir() {
if [ -z "$_RESURRECT_DIR" ]; then
local path="$(get_tmux_option "$resurrect_dir_option" "$default_resurrect_dir")"
# expands tilde, $HOME and $HOSTNAME if used in @resurrect-dir
echo "$path" | sed "s,\$HOME,$HOME,g; s,\$HOSTNAME,$(hostname),g; s,\~,$HOME,g"
else
echo "$_RESURRECT_DIR"
fi
}
_RESURRECT_DIR="$(resurrect_dir)"
resurrect_file_path() {
if [ -z "$_RESURRECT_FILE_PATH" ]; then
local timestamp="$(date +"%Y%m%dT%H%M%S")"
echo "$(resurrect_dir)/${RESURRECT_FILE_PREFIX}_${timestamp}.${RESURRECT_FILE_EXTENSION}"
else
echo "$_RESURRECT_FILE_PATH"
fi
}
_RESURRECT_FILE_PATH="$(resurrect_file_path)"
last_resurrect_file() {
echo "$(resurrect_dir)/last"
}
pane_contents_dir() {
echo "$(resurrect_dir)/$1/pane_contents/"
}
pane_contents_file() {
local save_or_restore="$1"
local pane_id="$2"
echo "$(pane_contents_dir "$save_or_restore")/pane-${pane_id}"
}
pane_contents_file_exists() {
local pane_id="$1"
[ -f "$(pane_contents_file "restore" "$pane_id")" ]
}
pane_contents_archive_file() {
echo "$(resurrect_dir)/pane_contents.tar.gz"
}
resurrect_history_file() {
local pane_id="$1"
local shell_name="$2"
echo "$(resurrect_dir)/${shell_name}_history-${pane_id}"
}
execute_hook() {
local kind="$1"
shift
local args="" hook=""
hook=$(get_tmux_option "$hook_prefix$kind" "")
# If there are any args, pass them to the hook (in a way that preserves/copes
# with spaces and unusual characters.
if [ "$#" -gt 0 ]; then
printf -v args "%q " "$@"
fi
if [ -n "$hook" ]; then
eval "$hook $args"
fi
}

172
tmux/plugins/tmux-ressurect/scripts/process_restore_helpers.sh Normal file
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restore_pane_processes_enabled() {
local restore_processes="$(get_tmux_option "$restore_processes_option" "$restore_processes")"
if [ "$restore_processes" == "false" ]; then
return 1
else
return 0
fi
}
restore_pane_process() {
local pane_full_command="$1"
local session_name="$2"
local window_number="$3"
local pane_index="$4"
local dir="$5"
local command
if _process_should_be_restored "$pane_full_command" "$session_name" "$window_number" "$pane_index"; then
tmux switch-client -t "${session_name}:${window_number}"
tmux select-pane -t "$pane_index"
local inline_strategy="$(_get_inline_strategy "$pane_full_command")" # might not be defined
if [ -n "$inline_strategy" ]; then
# inline strategy exists
# check for additional "expansion" of inline strategy, e.g. `vim` to `vim -S`
if _strategy_exists "$inline_strategy"; then
local strategy_file="$(_get_strategy_file "$inline_strategy")"
local inline_strategy="$($strategy_file "$pane_full_command" "$dir")"
fi
command="$inline_strategy"
elif _strategy_exists "$pane_full_command"; then
local strategy_file="$(_get_strategy_file "$pane_full_command")"
local strategy_command="$($strategy_file "$pane_full_command" "$dir")"
command="$strategy_command"
else
# just invoke the raw command
command="$pane_full_command"
fi
tmux send-keys -t "${session_name}:${window_number}.${pane_index}" "$command" "C-m"
fi
}
# private functions below
_process_should_be_restored() {
local pane_full_command="$1"
local session_name="$2"
local window_number="$3"
local pane_index="$4"
if is_pane_registered_as_existing "$session_name" "$window_number" "$pane_index"; then
# Scenario where pane existed before restoration, so we're not
# restoring the proces either.
return 1
elif ! pane_exists "$session_name" "$window_number" "$pane_index"; then
# pane number limit exceeded, pane does not exist
return 1
elif _restore_all_processes; then
return 0
elif _process_on_the_restore_list "$pane_full_command"; then
return 0
else
return 1
fi
}
_restore_all_processes() {
local restore_processes="$(get_tmux_option "$restore_processes_option" "$restore_processes")"
if [ "$restore_processes" == ":all:" ]; then
return 0
else
return 1
fi
}
_process_on_the_restore_list() {
local pane_full_command="$1"
# TODO: make this work without eval
eval set $(_restore_list)
local proc
local match
for proc in "$@"; do
match="$(_get_proc_match_element "$proc")"
if _proc_matches_full_command "$pane_full_command" "$match"; then
return 0
fi
done
return 1
}
_proc_matches_full_command() {
local pane_full_command="$1"
local match="$2"
if _proc_starts_with_tildae "$match"; then
match="$(remove_first_char "$match")"
# regex matching the command makes sure `$match` string is somewhere in the command string
if [[ "$pane_full_command" =~ ($match) ]]; then
return 0
fi
else
# regex matching the command makes sure process is a "word"
if [[ "$pane_full_command" =~ (^${match} ) ]] || [[ "$pane_full_command" =~ (^${match}$) ]]; then
return 0
fi
fi
return 1
}
_get_proc_match_element() {
echo "$1" | sed "s/${inline_strategy_token}.*//"
}
_get_proc_restore_element() {
echo "$1" | sed "s/.*${inline_strategy_token}//"
}
_restore_list() {
local user_processes="$(get_tmux_option "$restore_processes_option" "$restore_processes")"
local default_processes="$(get_tmux_option "$default_proc_list_option" "$default_proc_list")"
if [ -z "$user_processes" ]; then
# user didn't define any processes
echo "$default_processes"
else
echo "$default_processes $user_processes"
fi
}
_proc_starts_with_tildae() {
[[ "$1" =~ (^~) ]]
}
_get_inline_strategy() {
local pane_full_command="$1"
# TODO: make this work without eval
eval set $(_restore_list)
local proc
local match
for proc in "$@"; do
if [[ "$proc" =~ "$inline_strategy_token" ]]; then
match="$(_get_proc_match_element "$proc")"
if _proc_matches_full_command "$pane_full_command" "$match"; then
echo "$(_get_proc_restore_element "$proc")"
fi
fi
done
}
_strategy_exists() {
local pane_full_command="$1"
local strategy="$(_get_command_strategy "$pane_full_command")"
if [ -n "$strategy" ]; then # strategy set?
local strategy_file="$(_get_strategy_file "$pane_full_command")"
[ -e "$strategy_file" ] # strategy file exists?
else
return 1
fi
}
_get_command_strategy() {
local pane_full_command="$1"
local command="$(_just_command "$pane_full_command")"
get_tmux_option "${restore_process_strategy_option}${command}" ""
}
_just_command() {
echo "$1" | cut -d' ' -f1
}
_get_strategy_file() {
local pane_full_command="$1"
local strategy="$(_get_command_strategy "$pane_full_command")"
local command="$(_just_command "$pane_full_command")"
echo "$CURRENT_DIR/../strategies/${command}_${strategy}.sh"
}

14
tmux/plugins/tmux-ressurect/scripts/restore.exp Executable file
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#!/usr/bin/env expect
# start tmux
spawn tmux -S/tmp/foo
# delay with sleep to compensate for tmux starting time
sleep 2
# run restore script directly
send "~/.tmux/plugins/tmux-resurrect/scripts/restore.sh\r"
# long wait until tmux restore is complete
# (things get messed up if expect client isn't attached)
sleep 100

369
tmux/plugins/tmux-ressurect/scripts/restore.sh Executable file
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#!/usr/bin/env bash
CURRENT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
source "$CURRENT_DIR/variables.sh"
source "$CURRENT_DIR/helpers.sh"
source "$CURRENT_DIR/process_restore_helpers.sh"
source "$CURRENT_DIR/spinner_helpers.sh"
# delimiter
d=$'\t'
# Global variable.
# Used during the restore: if a pane already exists from before, it is
# saved in the array in this variable. Later, process running in existing pane
# is also not restored. That makes the restoration process more idempotent.
EXISTING_PANES_VAR=""
RESTORING_FROM_SCRATCH="false"
RESTORE_PANE_CONTENTS="false"
is_line_type() {
local line_type="$1"
local line="$2"
echo "$line" |
\grep -q "^$line_type"
}
check_saved_session_exists() {
local resurrect_file="$(last_resurrect_file)"
if [ ! -f $resurrect_file ]; then
display_message "Tmux resurrect file not found!"
return 1
fi
}
pane_exists() {
local session_name="$1"
local window_number="$2"
local pane_index="$3"
tmux list-panes -t "${session_name}:${window_number}" -F "#{pane_index}" 2>/dev/null |
\grep -q "^$pane_index$"
}
register_existing_pane() {
local session_name="$1"
local window_number="$2"
local pane_index="$3"
local pane_custom_id="${session_name}:${window_number}:${pane_index}"
local delimiter=$'\t'
EXISTING_PANES_VAR="${EXISTING_PANES_VAR}${delimiter}${pane_custom_id}"
}
is_pane_registered_as_existing() {
local session_name="$1"
local window_number="$2"
local pane_index="$3"
local pane_custom_id="${session_name}:${window_number}:${pane_index}"
[[ "$EXISTING_PANES_VAR" =~ "$pane_custom_id" ]]
}
restore_from_scratch_true() {
RESTORING_FROM_SCRATCH="true"
}
is_restoring_from_scratch() {
[ "$RESTORING_FROM_SCRATCH" == "true" ]
}
restore_pane_contents_true() {
RESTORE_PANE_CONTENTS="true"
}
is_restoring_pane_contents() {
[ "$RESTORE_PANE_CONTENTS" == "true" ]
}
window_exists() {
local session_name="$1"
local window_number="$2"
tmux list-windows -t "$session_name" -F "#{window_index}" 2>/dev/null |
\grep -q "^$window_number$"
}
session_exists() {
local session_name="$1"
tmux has-session -t "$session_name" 2>/dev/null
}
first_window_num() {
tmux show -gv base-index
}
tmux_socket() {
echo $TMUX | cut -d',' -f1
}
# Tmux option stored in a global variable so that we don't have to "ask"
# tmux server each time.
cache_tmux_default_command() {
local default_shell="$(get_tmux_option "default-shell" "")"
export TMUX_DEFAULT_COMMAND="$(get_tmux_option "default-command" "$default_shell")"
}
tmux_default_command() {
echo "$TMUX_DEFAULT_COMMAND"
}
pane_creation_command() {
echo "cat '$(pane_contents_file "restore" "${1}:${2}.${3}")'; exec $(tmux_default_command)"
}
new_window() {
local session_name="$1"
local window_number="$2"
local window_name="$3"
local dir="$4"
local pane_index="$5"
local pane_id="${session_name}:${window_number}.${pane_index}"
if is_restoring_pane_contents && pane_contents_file_exists "$pane_id"; then
local pane_creation_command="$(pane_creation_command "$session_name" "$window_number" "$pane_index")"
tmux new-window -d -t "${session_name}:${window_number}" -n "$window_name" -c "$dir" "$pane_creation_command"
else
tmux new-window -d -t "${session_name}:${window_number}" -n "$window_name" -c "$dir"
fi
}
new_session() {
local session_name="$1"
local window_number="$2"
local window_name="$3"
local dir="$4"
local pane_index="$5"
local pane_id="${session_name}:${window_number}.${pane_index}"
if is_restoring_pane_contents && pane_contents_file_exists "$pane_id"; then
local pane_creation_command="$(pane_creation_command "$session_name" "$window_number" "$pane_index")"
TMUX="" tmux -S "$(tmux_socket)" new-session -d -s "$session_name" -n "$window_name" -c "$dir" "$pane_creation_command"
else
TMUX="" tmux -S "$(tmux_socket)" new-session -d -s "$session_name" -n "$window_name" -c "$dir"
fi
# change first window number if necessary
local created_window_num="$(first_window_num)"
if [ $created_window_num -ne $window_number ]; then
tmux move-window -s "${session_name}:${created_window_num}" -t "${session_name}:${window_number}"
fi
}
new_pane() {
local session_name="$1"
local window_number="$2"
local window_name="$3"
local dir="$4"
local pane_index="$5"
local pane_id="${session_name}:${window_number}.${pane_index}"
if is_restoring_pane_contents && pane_contents_file_exists "$pane_id"; then
local pane_creation_command="$(pane_creation_command "$session_name" "$window_number" "$pane_index")"
tmux split-window -t "${session_name}:${window_number}" -c "$dir" "$pane_creation_command"
else
tmux split-window -t "${session_name}:${window_number}" -c "$dir"
fi
# minimize window so more panes can fit
tmux resize-pane -t "${session_name}:${window_number}" -U "999"
}
restore_pane() {
local pane="$1"
while IFS=$d read line_type session_name window_number window_name window_active window_flags pane_index dir pane_active pane_command pane_full_command; do
dir="$(remove_first_char "$dir")"
window_name="$(remove_first_char "$window_name")"
pane_full_command="$(remove_first_char "$pane_full_command")"
if pane_exists "$session_name" "$window_number" "$pane_index"; then
tmux rename-window -t "$window_number" "$window_name"
if is_restoring_from_scratch; then
# overwrite the pane
# happens only for the first pane if it's the only registered pane for the whole tmux server
local pane_id="$(tmux display-message -p -F "#{pane_id}" -t "$session_name:$window_number")"
new_pane "$session_name" "$window_number" "$window_name" "$dir" "$pane_index"
tmux kill-pane -t "$pane_id"
else
# Pane exists, no need to create it!
# Pane existence is registered. Later, its process also won't be restored.
register_existing_pane "$session_name" "$window_number" "$pane_index"
fi
elif window_exists "$session_name" "$window_number"; then
tmux rename-window -t "$window_number" "$window_name"
new_pane "$session_name" "$window_number" "$window_name" "$dir" "$pane_index"
elif session_exists "$session_name"; then
new_window "$session_name" "$window_number" "$window_name" "$dir" "$pane_index"
else
new_session "$session_name" "$window_number" "$window_name" "$dir" "$pane_index"
fi
done < <(echo "$pane")
}
restore_state() {
local state="$1"
echo "$state" |
while IFS=$d read line_type client_session client_last_session; do
tmux switch-client -t "$client_last_session"
tmux switch-client -t "$client_session"
done
}
restore_grouped_session() {
local grouped_session="$1"
echo "$grouped_session" |
while IFS=$d read line_type grouped_session original_session alternate_window active_window; do
TMUX="" tmux -S "$(tmux_socket)" new-session -d -s "$grouped_session" -t "$original_session"
done
}
restore_active_and_alternate_windows_for_grouped_sessions() {
local grouped_session="$1"
echo "$grouped_session" |
while IFS=$d read line_type grouped_session original_session alternate_window_index active_window_index; do
alternate_window_index="$(remove_first_char "$alternate_window_index")"
active_window_index="$(remove_first_char "$active_window_index")"
if [ -n "$alternate_window_index" ]; then
tmux switch-client -t "${grouped_session}:${alternate_window_index}"
fi
if [ -n "$active_window_index" ]; then
tmux switch-client -t "${grouped_session}:${active_window_index}"
fi
done
}
never_ever_overwrite() {
local overwrite_option_value="$(get_tmux_option "$overwrite_option" "")"
[ -n "$overwrite_option_value" ]
}
detect_if_restoring_from_scratch() {
if never_ever_overwrite; then
return
fi
local total_number_of_panes="$(tmux list-panes -a | wc -l | sed 's/ //g')"
if [ "$total_number_of_panes" -eq 1 ]; then
restore_from_scratch_true
fi
}
detect_if_restoring_pane_contents() {
if capture_pane_contents_option_on; then
cache_tmux_default_command
restore_pane_contents_true
fi
}
# functions called from main (ordered)
restore_all_panes() {
detect_if_restoring_from_scratch # sets a global variable
detect_if_restoring_pane_contents # sets a global variable
if is_restoring_pane_contents; then
pane_content_files_restore_from_archive
fi
while read line; do
if is_line_type "pane" "$line"; then
restore_pane "$line"
fi
done < $(last_resurrect_file)
if is_restoring_pane_contents; then
rm "$(pane_contents_dir "restore")"/*
fi
}
restore_pane_layout_for_each_window() {
\grep '^window' $(last_resurrect_file) |
while IFS=$d read line_type session_name window_number window_active window_flags window_layout; do
tmux select-layout -t "${session_name}:${window_number}" "$window_layout"
done
}
restore_shell_history() {
awk 'BEGIN { FS="\t"; OFS="\t" } /^pane/ { print $2, $3, $7, $10; }' $(last_resurrect_file) |
while IFS=$d read session_name window_number pane_index pane_command; do
if ! is_pane_registered_as_existing "$session_name" "$window_number" "$pane_index"; then
local pane_id="$session_name:$window_number.$pane_index"
local history_file="$(resurrect_history_file "$pane_id" "$pane_command")"
if [ "$pane_command" = "bash" ]; then
local read_command="history -r '$history_file'"
tmux send-keys -t "$pane_id" "$read_command" C-m
elif [ "$pane_command" = "zsh" ]; then
local accept_line="$(expr "$(zsh -i -c bindkey | grep -m1 '\saccept-line$')" : '^"\(.*\)".*')"
local read_command="fc -R '$history_file'; clear"
tmux send-keys -t "$pane_id" "$read_command" "$accept_line"
fi
fi
done
}
restore_all_pane_processes() {
if restore_pane_processes_enabled; then
local pane_full_command
awk 'BEGIN { FS="\t"; OFS="\t" } /^pane/ && $11 !~ "^:$" { print $2, $3, $7, $8, $11; }' $(last_resurrect_file) |
while IFS=$d read session_name window_number pane_index dir pane_full_command; do
dir="$(remove_first_char "$dir")"
pane_full_command="$(remove_first_char "$pane_full_command")"
restore_pane_process "$pane_full_command" "$session_name" "$window_number" "$pane_index" "$dir"
done
fi
}
restore_active_pane_for_each_window() {
awk 'BEGIN { FS="\t"; OFS="\t" } /^pane/ && $9 == 1 { print $2, $3, $7; }' $(last_resurrect_file) |
while IFS=$d read session_name window_number active_pane; do
tmux switch-client -t "${session_name}:${window_number}"
tmux select-pane -t "$active_pane"
done
}
restore_zoomed_windows() {
awk 'BEGIN { FS="\t"; OFS="\t" } /^pane/ && $6 ~ /Z/ && $9 == 1 { print $2, $3; }' $(last_resurrect_file) |
while IFS=$d read session_name window_number; do
tmux resize-pane -t "${session_name}:${window_number}" -Z
done
}
restore_grouped_sessions() {
while read line; do
if is_line_type "grouped_session" "$line"; then
restore_grouped_session "$line"
restore_active_and_alternate_windows_for_grouped_sessions "$line"
fi
done < $(last_resurrect_file)
}
restore_active_and_alternate_windows() {
awk 'BEGIN { FS="\t"; OFS="\t" } /^window/ && $5 ~ /[*-]/ { print $2, $4, $3; }' $(last_resurrect_file) |
sort -u |
while IFS=$d read session_name active_window window_number; do
tmux switch-client -t "${session_name}:${window_number}"
done
}
restore_active_and_alternate_sessions() {
while read line; do
if is_line_type "state" "$line"; then
restore_state "$line"
fi
done < $(last_resurrect_file)
}
main() {
if supported_tmux_version_ok && check_saved_session_exists; then
start_spinner "Restoring..." "Tmux restore complete!"
execute_hook "pre-restore-all"
restore_all_panes
restore_pane_layout_for_each_window >/dev/null 2>&1
execute_hook "pre-restore-history"
if save_shell_history_option_on; then
restore_shell_history
fi
execute_hook "pre-restore-pane-processes"
restore_all_pane_processes
# below functions restore exact cursor positions
restore_active_pane_for_each_window
restore_zoomed_windows
restore_grouped_sessions # also restores active and alt windows for grouped sessions
restore_active_and_alternate_windows
restore_active_and_alternate_sessions
execute_hook "post-restore-all"
stop_spinner
display_message "Tmux restore complete!"
fi
}
main

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tmux/plugins/tmux-ressurect/scripts/save.sh Executable file
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#!/usr/bin/env bash
CURRENT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
source "$CURRENT_DIR/variables.sh"
source "$CURRENT_DIR/helpers.sh"
source "$CURRENT_DIR/spinner_helpers.sh"
# delimiters
d=$'\t'
delimiter=$'\t'
# if "quiet" script produces no output
SCRIPT_OUTPUT="$1"
grouped_sessions_format() {
local format
format+="#{session_grouped}"
format+="${delimiter}"
format+="#{session_group}"
format+="${delimiter}"
format+="#{session_id}"
format+="${delimiter}"
format+="#{session_name}"
echo "$format"
}
pane_format() {
local format
format+="pane"
format+="${delimiter}"
format+="#{session_name}"
format+="${delimiter}"
format+="#{window_index}"
format+="${delimiter}"
format+=":#{window_name}"
format+="${delimiter}"
format+="#{window_active}"
format+="${delimiter}"
format+=":#{window_flags}"
format+="${delimiter}"
format+="#{pane_index}"
format+="${delimiter}"
format+=":#{pane_current_path}"
format+="${delimiter}"
format+="#{pane_active}"
format+="${delimiter}"
format+="#{pane_current_command}"
format+="${delimiter}"
format+="#{pane_pid}"
format+="${delimiter}"
format+="#{history_size}"
echo "$format"
}
window_format() {
local format
format+="window"
format+="${delimiter}"
format+="#{session_name}"
format+="${delimiter}"
format+="#{window_index}"
format+="${delimiter}"
format+="#{window_active}"
format+="${delimiter}"
format+=":#{window_flags}"
format+="${delimiter}"
format+="#{window_layout}"
echo "$format"
}
state_format() {
local format
format+="state"
format+="${delimiter}"
format+="#{client_session}"
format+="${delimiter}"
format+="#{client_last_session}"
echo "$format"
}
dump_panes_raw() {
tmux list-panes -a -F "$(pane_format)"
}
dump_windows_raw(){
tmux list-windows -a -F "$(window_format)"
}
toggle_window_zoom() {
local target="$1"
tmux resize-pane -Z -t "$target"
}
_save_command_strategy_file() {
local save_command_strategy="$(get_tmux_option "$save_command_strategy_option" "$default_save_command_strategy")"
local strategy_file="$CURRENT_DIR/../save_command_strategies/${save_command_strategy}.sh"
local default_strategy_file="$CURRENT_DIR/../save_command_strategies/${default_save_command_strategy}.sh"
if [ -e "$strategy_file" ]; then # strategy file exists?
echo "$strategy_file"
else
echo "$default_strategy_file"
fi
}
pane_full_command() {
local pane_pid="$1"
local strategy_file="$(_save_command_strategy_file)"
# execute strategy script to get pane full command
$strategy_file "$pane_pid"
}
number_nonempty_lines_on_screen() {
local pane_id="$1"
tmux capture-pane -pJ -t "$pane_id" |
sed '/^$/d' |
wc -l |
sed 's/ //g'
}
# tests if there was any command output in the current pane
pane_has_any_content() {
local pane_id="$1"
local history_size="$(tmux display -p -t "$pane_id" -F "#{history_size}")"
local cursor_y="$(tmux display -p -t "$pane_id" -F "#{cursor_y}")"
# doing "cheap" tests first
[ "$history_size" -gt 0 ] || # history has any content?
[ "$cursor_y" -gt 0 ] || # cursor not in first line?
[ "$(number_nonempty_lines_on_screen "$pane_id")" -gt 1 ]
}
capture_pane_contents() {
local pane_id="$1"
local start_line="-$2"
local pane_contents_area="$3"
if pane_has_any_content "$pane_id"; then
if [ "$pane_contents_area" = "visible" ]; then
start_line="0"
fi
# the printf hack below removes *trailing* empty lines
printf '%s\n' "$(tmux capture-pane -epJ -S "$start_line" -t "$pane_id")" > "$(pane_contents_file "save" "$pane_id")"
fi
}
save_shell_history() {
if [ "$pane_command" = "bash" ]; then
local history_w='history -w'
local history_r='history -r'
local accept_line='C-m'
local end_of_line='C-e'
local backward_kill_line='C-u'
elif [ "$pane_command" = "zsh" ]; then
# fc -W does not work with -L
# fc -l format is different from what's written by fc -W
# fc -R either reads the format produced by fc -W or considers
# the entire line to be a command. That's why we need -n.
# fc -l only list the last 16 items by default, I think 64 is more reasonable.
local history_w='fc -lLn -64 >'
local history_r='fc -R'
local zsh_bindkey="$(zsh -i -c bindkey)"
local accept_line="$(expr "$(echo "$zsh_bindkey" | grep -m1 '\saccept-line$')" : '^"\(.*\)".*')"
local end_of_line="$(expr "$(echo "$zsh_bindkey" | grep -m1 '\send-of-line$')" : '^"\(.*\)".*')"
local backward_kill_line="$(expr "$(echo "$zsh_bindkey" | grep -m1 '\sbackward-kill-line$')" : '^"\(.*\)".*')"
else
return
fi
local pane_id="$1"
local pane_command="$2"
local full_command="$3"
if [ "$full_command" = ":" ]; then
# leading space prevents the command from being saved to history
# (assuming default HISTCONTROL settings)
local write_command=" $history_w '$(resurrect_history_file "$pane_id" "$pane_command")'"
local read_command=" $history_r '$(resurrect_history_file "$pane_id" "$pane_command")'"
# C-e C-u is a Bash shortcut sequence to clear whole line. It is necessary to
# delete any pending input so it does not interfere with our history command.
tmux send-keys -t "$pane_id" "$end_of_line" "$backward_kill_line" "$write_command" "$accept_line"
# Immediately restore after saving
tmux send-keys -t "$pane_id" "$end_of_line" "$backward_kill_line" "$read_command" "$accept_line"
fi
}
get_active_window_index() {
local session_name="$1"
tmux list-windows -t "$session_name" -F "#{window_flags} #{window_index}" |
awk '$1 ~ /\*/ { print $2; }'
}
get_alternate_window_index() {
local session_name="$1"
tmux list-windows -t "$session_name" -F "#{window_flags} #{window_index}" |
awk '$1 ~ /-/ { print $2; }'
}
dump_grouped_sessions() {
local current_session_group=""
local original_session
tmux list-sessions -F "$(grouped_sessions_format)" |
grep "^1" |
cut -c 3- |
sort |
while IFS=$d read session_group session_id session_name; do
if [ "$session_group" != "$current_session_group" ]; then
# this session is the original/first session in the group
original_session="$session_name"
current_session_group="$session_group"
else
# this session "points" to the original session
active_window_index="$(get_active_window_index "$session_name")"
alternate_window_index="$(get_alternate_window_index "$session_name")"
echo "grouped_session${d}${session_name}${d}${original_session}${d}:${alternate_window_index}${d}:${active_window_index}"
fi
done
}
fetch_and_dump_grouped_sessions(){
local grouped_sessions_dump="$(dump_grouped_sessions)"
get_grouped_sessions "$grouped_sessions_dump"
if [ -n "$grouped_sessions_dump" ]; then
echo "$grouped_sessions_dump"
fi
}
# translates pane pid to process command running inside a pane
dump_panes() {
local full_command
dump_panes_raw |
while IFS=$d read line_type session_name window_number window_name window_active window_flags pane_index dir pane_active pane_command pane_pid history_size; do
# not saving panes from grouped sessions
if is_session_grouped "$session_name"; then
continue
fi
full_command="$(pane_full_command $pane_pid)"
dir=$(echo $dir | sed 's/ /\\ /') # escape all spaces in directory path
echo "${line_type}${d}${session_name}${d}${window_number}${d}${window_name}${d}${window_active}${d}${window_flags}${d}${pane_index}${d}${dir}${d}${pane_active}${d}${pane_command}${d}:${full_command}"
done
}
dump_windows() {
dump_windows_raw |
while IFS=$d read line_type session_name window_index window_active window_flags window_layout; do
# not saving windows from grouped sessions
if is_session_grouped "$session_name"; then
continue
fi
echo "${line_type}${d}${session_name}${d}${window_index}${d}${window_active}${d}${window_flags}${d}${window_layout}"
done
}
dump_state() {
tmux display-message -p "$(state_format)"
}
dump_pane_contents() {
local pane_contents_area="$(get_tmux_option "$pane_contents_area_option" "$default_pane_contents_area")"
dump_panes_raw |
while IFS=$d read line_type session_name window_number window_name window_active window_flags pane_index dir pane_active pane_command pane_pid history_size; do
capture_pane_contents "${session_name}:${window_number}.${pane_index}" "$history_size" "$pane_contents_area"
done
}
dump_shell_history() {
dump_panes |
while IFS=$d read line_type session_name window_number window_name window_active window_flags pane_index dir pane_active pane_command full_command; do
save_shell_history "$session_name:$window_number.$pane_index" "$pane_command" "$full_command"
done
}
remove_old_backups() {
# remove resurrect files older than 30 days, but keep at least 5 copies of backup.
local -a files
files=($(ls -t $(resurrect_dir)/${RESURRECT_FILE_PREFIX}_*.${RESURRECT_FILE_EXTENSION} | tail -n +6))
[[ ${#files[@]} -eq 0 ]] ||
find "${files[@]}" -type f -mtime +30 -exec rm -v "{}" \;
}
save_all() {
local resurrect_file_path="$(resurrect_file_path)"
local last_resurrect_file="$(last_resurrect_file)"
mkdir -p "$(resurrect_dir)"
fetch_and_dump_grouped_sessions > "$resurrect_file_path"
dump_panes >> "$resurrect_file_path"
dump_windows >> "$resurrect_file_path"
dump_state >> "$resurrect_file_path"
execute_hook "post-save-layout" "$resurrect_file_path"
if files_differ "$resurrect_file_path" "$last_resurrect_file"; then
ln -fs "$(basename "$resurrect_file_path")" "$last_resurrect_file"
else
rm "$resurrect_file_path"
fi
if capture_pane_contents_option_on; then
mkdir -p "$(pane_contents_dir "save")"
dump_pane_contents
pane_contents_create_archive
rm "$(pane_contents_dir "save")"/*
fi
if save_shell_history_option_on; then
dump_shell_history
fi
remove_old_backups
execute_hook "post-save-all"
}
show_output() {
[ "$SCRIPT_OUTPUT" != "quiet" ]
}
main() {
if supported_tmux_version_ok; then
if show_output; then
start_spinner "Saving..." "Tmux environment saved!"
fi
save_all
if show_output; then
stop_spinner
display_message "Tmux environment saved!"
fi
fi
}
main

8
tmux/plugins/tmux-ressurect/scripts/spinner_helpers.sh Normal file
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start_spinner() {
$CURRENT_DIR/tmux_spinner.sh "$1" "$2" &
export SPINNER_PID=$!
}
stop_spinner() {
kill $SPINNER_PID
}

29
tmux/plugins/tmux-ressurect/scripts/tmux_spinner.sh Executable file
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#!/usr/bin/env bash
# This script shows tmux spinner with a message. It is intended to be running
# as a background process which should be `kill`ed at the end.
#
# Example usage:
#
# ./tmux_spinner.sh "Working..." "End message!" &
# SPINNER_PID=$!
# ..
# .. execute commands here
# ..
# kill $SPINNER_PID # Stops spinner and displays 'End message!'
MESSAGE="$1"
END_MESSAGE="$2"
SPIN='-\|/'
trap "tmux display-message '$END_MESSAGE'; exit" SIGINT SIGTERM
main() {
local i=0
while true; do
i=$(( (i+1) %4 ))
tmux display-message " ${SPIN:$i:1} $MESSAGE"
sleep 0.1
done
}
main

47
tmux/plugins/tmux-ressurect/scripts/variables.sh Normal file
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# key bindings
default_save_key="C-s"
save_option="@resurrect-save"
save_path_option="@resurrect-save-script-path"
default_restore_key="C-r"
restore_option="@resurrect-restore"
restore_path_option="@resurrect-restore-script-path"
# default processes that are restored
default_proc_list_option="@resurrect-default-processes"
default_proc_list='vi vim nvim emacs man less more tail top htop irssi weechat mutt'
# User defined processes that are restored
# 'false' - nothing is restored
# ':all:' - all processes are restored
#
# user defined list of programs that are restored:
# 'my_program foo another_program'
restore_processes_option="@resurrect-processes"
restore_processes=""
# Defines part of the user variable. Example usage:
# set -g @resurrect-strategy-vim "session"
restore_process_strategy_option="@resurrect-strategy-"
inline_strategy_token="->"
save_command_strategy_option="@resurrect-save-command-strategy"
default_save_command_strategy="ps"
# Pane contents capture options.
# @resurrect-pane-contents-area option can be:
# 'visible' - capture only the visible pane area
# 'full' - capture the full pane contents
pane_contents_option="@resurrect-capture-pane-contents"
pane_contents_area_option="@resurrect-pane-contents-area"
default_pane_contents_area="full"
bash_history_option="@resurrect-save-bash-history" # deprecated
shell_history_option="@resurrect-save-shell-history"
# set to 'on' to ensure panes are never ever overwritten
overwrite_option="@resurrect-never-overwrite"
# Hooks are set via ${hook_prefix}${name}, i.e. "@resurrect-hook-post-save-all"
hook_prefix="@resurrect-hook-"