tmux-resurrect/scripts/helpers.sh

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default_resurrect_dir="$HOME/.tmux/resurrect"
resurrect_dir_option="@resurrect-dir"
SUPPORTED_VERSION="1.9"
d=$'\t'
# helper functions
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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
}
# 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" ]
}
save_bash_history_option_on() {
local option="$(get_tmux_option "$bash_history_option" "off")"
[ "$option" == "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}${d}"* ]]
}
# pane content file helpers
pane_contents_create_archive() {
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tar cf - -C "$(resurrect_dir)" ./pane_contents/ |
gzip > "$(pane_contents_archive_file)"
}
pane_content_files_restore_from_archive() {
local archive_file="$(pane_contents_archive_file)"
if [ -f "$archive_file" ]; then
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gzip -d < "$archive_file" |
tar xf - -C "$(resurrect_dir)"
fi
}
pane_content_files_cleanup() {
rm "$(pane_contents_dir)"/*
}
# path helpers
resurrect_dir() {
local path="$(get_tmux_option "$resurrect_dir_option" "$default_resurrect_dir")"
echo "${path/#\~/$HOME}" # expands tilde if used with @resurrect-dir
}
resurrect_file_path() {
local timestamp="$(date +"%Y-%m-%dT%H:%M:%S")"
echo "$(resurrect_dir)/tmux_resurrect_${timestamp}.txt"
}
last_resurrect_file() {
echo "$(resurrect_dir)/last"
}
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pane_contents_dir() {
echo "$(resurrect_dir)/pane_contents/"
}
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pane_contents_file() {
local pane_id="$1"
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echo "$(pane_contents_dir)/pane-${pane_id}"
}
pane_contents_file_exists() {
local pane_id="$1"
[ -f "$(pane_contents_file "$pane_id")" ]
}
pane_contents_archive_file() {
echo "$(resurrect_dir)/pane_contents.tar.gz"
}
resurrect_history_file() {
local pane_id="$1"
echo "$(resurrect_dir)/bash_history-${pane_id}"
}