tmux-resurrect/scripts/session_restorer.sh
2014-08-28 12:45:48 +02:00

164 lines
4.5 KiB
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Executable File

#!/usr/bin/env bash
CURRENT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
source "$CURRENT_DIR/helpers.sh"
source "$CURRENT_DIR/process_restore_helpers.sh"
is_line_type() {
local line_type="$1"
local line="$2"
echo "$line" |
\grep -q "^$line_type"
}
check_saved_session_exists() {
local saved_session="$(last_session_path)"
if [ ! -f $saved_session ]; then
display_message "Saved tmux session not found!"
return 1
fi
}
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
}
remove_first_char() {
echo "$1" | cut -c2-
}
new_window() {
local session_name="$1"
local window_number="$2"
local window_name="$3"
local dir="$4"
tmux new-window -d -t "${session_name}:${window_number}" -n "$window_name" -c "$dir"
}
new_session() {
local session_name="$1"
local window_number="$2"
local window_name="$3"
local dir="$4"
TMUX="" tmux -S "$(tmux_socket)" new-session -d -s "$session_name" -n "$window_name" -c "$dir"
# change first window number if necessary
local created_window_num="$(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="$4"
tmux split-window -t "${session_name}:${window_number}" -c "$dir"
}
restore_pane() {
local pane="$1"
echo "$pane" |
while IFS=$'\t' read line_type session_name window_number window_name window_active window_flags pane_index dir pane_active pane_command pane_full_command; do
window_name="$(remove_first_char "$window_name")"
pane_full_command="$(remove_first_char "$pane_full_command")"
if window_exists "$session_name" "$window_number"; then
new_pane "$session_name" "$window_number" "$window_name" "$dir"
elif session_exists "$session_name"; then
new_window "$session_name" "$window_number" "$window_name" "$dir"
else
new_session "$session_name" "$window_number" "$window_name" "$dir"
fi
done
}
restore_state() {
local state="$1"
echo "$state" |
while IFS=$'\t' read line_type client_session client_last_session; do
tmux switch-client -t "$client_last_session"
tmux switch-client -t "$client_session"
done
}
restore_all_sessions() {
while read line; do
if is_line_type "pane" "$line"; then
restore_pane "$line"
fi
done < $(last_session_path)
}
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; }' $(last_session_path) |
while IFS=$'\t' read session_name window_number pane_index dir pane_full_command; do
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_pane_layout_for_each_window() {
\grep '^window' $(last_session_path) |
while IFS=$'\t' 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_active_pane_for_each_window() {
awk 'BEGIN { FS="\t"; OFS="\t" } /^pane/ && $7 != 0 && $9 == 1 { print $2, $3, $7; }' $(last_session_path) |
while IFS=$'\t' read session_name window_number active_pane; do
tmux switch-client -t "${session_name}:${window_number}"
tmux select-pane -t "$active_pane"
done
}
restore_active_and_alternate_windows() {
awk 'BEGIN { FS="\t"; OFS="\t" } /^window/ && $5 ~ /[*-]/ { print $2, $4, $3; }' $(last_session_path) |
sort -u |
while IFS=$'\t' 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_session_path)
}
main() {
if supported_tmux_version_ok && check_saved_session_exists; then
restore_all_sessions
restore_all_pane_processes
restore_pane_layout_for_each_window >/dev/null 2>&1
# below functions restore exact cursor positions
restore_active_pane_for_each_window
restore_active_and_alternate_windows
restore_active_and_alternate_sessions
display_message "Restored all Tmux sessions!"
fi
}
main