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@58bits
Created December 15, 2017 21:55
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  1. Anthony Bouch created this gist Dec 15, 2017.
    635 changes: 635 additions & 0 deletions tmux-functions.sh
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,635 @@
    #!/bin/bash
    set -e

    export LC_NUMERIC=C

    __newline='
    '

    _is_enabled() {
    ( ([ x"$1" = x"enabled" ] || [ x"$1" = x"true" ] || [ x"$1" = x"yes" ] || [ x"$1" = x"1" ]) && return 0 ) || return 1
    }
    export -f _is_enabled

    _circled_digit() {
    circled_digits='⓪ ① ② ③ ④ ⑤ ⑥ ⑦ ⑧ ⑨ ⑩ ⑪ ⑫ ⑬ ⑭ ⑮ ⑯ ⑰ ⑱ ⑲ ⑳'
    if [ "$1" -le 20 ] 2>/dev/null; then
    i=$(( $1 + 1 ))
    eval set -- "$circled_digits"
    eval echo "\${$i}"
    else
    echo "$1"
    fi
    }
    export -f _circled_digit

    _maximize_pane() {
    current_session=${1:-$(tmux display -p '#{session_name}')}
    current_pane=${2:-$(tmux display -p '#{pane_id}')}

    dead_panes=$(tmux list-panes -s -t "$current_session" -F '#{pane_dead} #{pane_id} #{pane_start_command}' | grep -o '^1 %.\+maximized.\+$' || true)
    restore=$(echo "$dead_panes" | sed -n -E -e "s/^1 $current_pane .+maximized.+'(%[0-9]+)'$/tmux swap-pane -s \1 -t $current_pane \; kill-pane -t $current_pane/p" -e "s/^1 (%[0-9]+) .+maximized.+'$current_pane'$/tmux swap-pane -s \1 -t $current_pane \; kill-pane -t \1/p" )

    if [ -z "$restore" ]; then
    [ "$(tmux list-panes -t "$current_session:" | wc -l | sed 's/^ *//g')" -eq 1 ] && tmux display "Can't maximize with only one pane" && return
    window=$(tmux new-window -t "$current_session:" -P "exec maximized... 2> /dev/null & tmux setw -t \"$current_session:\" remain-on-exit on; printf \"Pane has been maximized, press <prefix>+ to restore. %s\" '$current_pane'")
    window=${window%.*}

    guard=10
    while [ x"$(tmux list-panes -t "$window" -F '#{session_name}:#{window_index} #{pane_dead}' 2>/dev/null)" != x"$window 1" ] && [ "$guard" -ne 0 ]; do
    sleep 0.01
    guard=$((guard - 1))
    done
    if [ "$guard" -eq 0 ]; then
    tmux display 'Unable to maximize pane'
    fi

    new_pane=$(tmux display -t "$window" -p '#{pane_id}')
    tmux setw -t "$window" remain-on-exit off \; swap-pane -s "$current_pane" -t "$new_pane"
    else
    $restore || tmux kill-pane
    fi
    }
    export -f _maximize_pane

    _toggle_mouse() {
    old=$(tmux show -gv mouse)
    new=""

    if [ "$old" = "on" ]; then
    new="off"
    else
    new="on"
    fi

    tmux set -g mouse $new \;\
    display "mouse: $new"
    }
    export -f _toggle_mouse

    _username() {
    tty=${1:-$(tmux display -p '#{pane_tty}')}
    ssh_only=$2
    # shellcheck disable=SC2039
    if [ x"$OSTYPE" = x"cygwin" ]; then
    pid=$(ps -a | awk -v tty="${tty##/dev/}" '$5 == tty && /ssh/ && !/vagrant ssh/ && !/autossh/ && !/-W/ { print $1 }')
    [ -n "$pid" ] && ssh_parameters=$(tr '\0' ' ' < "/proc/$pid/cmdline" | sed 's/^ssh //')
    else
    ssh_parameters=$(ps -t "$tty" -o command= | awk '/ssh/ && !/vagrant ssh/ && !/autossh/ && !/-W/ { $1=""; print $0; exit }')
    fi
    if [ -n "$ssh_parameters" ]; then
    # shellcheck disable=SC2086
    username=$(ssh -G $ssh_parameters 2>/dev/null | awk 'NR > 2 { exit } ; /^user / { print $2 }')
    # shellcheck disable=SC2086
    [ -z "$username" ] && username=$(ssh -T -o ControlPath=none -o ProxyCommand="sh -c 'echo %%username%% %r >&2'" $ssh_parameters 2>&1 | awk '/^%username% / { print $2; exit }')
    else
    if ! _is_enabled "$ssh_only"; then
    # shellcheck disable=SC2039
    if [ x"$OSTYPE" = x"cygwin" ]; then
    username=$(whoami)
    else
    username=$(ps -t "$tty" -o user= -o pid= -o ppid= -o command= | awk '
    !/ssh/ { user[$2] = $1; ppid[$3] = 1 }
    END {
    for (i in user)
    if (!(i in ppid))
    {
    print user[i]
    exit
    }
    }
    ')
    fi
    fi
    fi

    echo "$username"
    }
    export -f _username

    _hostname() {
    tty=${1:-$(tmux display -p '#{pane_tty}')}
    ssh_only=$2
    # shellcheck disable=SC2039
    if [ x"$OSTYPE" = x"cygwin" ]; then
    pid=$(ps -a | awk -v tty="${tty##/dev/}" '$5 == tty && /ssh/ && !/vagrant ssh/ && !/autossh/ && !/-W/ { print $1 }')
    [ -n "$pid" ] && ssh_parameters=$(tr '\0' ' ' < "/proc/$pid/cmdline" | sed 's/^ssh //')
    else
    ssh_parameters=$(ps -t "$tty" -o command= | awk '/ssh/ && !/vagrant ssh/ && !/autossh/ && !/-W/ { $1=""; print $0; exit }')
    fi
    if [ -n "$ssh_parameters" ]; then
    # shellcheck disable=SC2086
    hostname=$(ssh -G $ssh_parameters 2>/dev/null | awk 'NR > 2 { exit } ; /^hostname / { print $2 }')
    # shellcheck disable=SC2086
    [ -z "$hostname" ] && hostname=$(ssh -T -o ControlPath=none -o ProxyCommand="sh -c 'echo %%hostname%% %h >&2'" $ssh_parameters 2>&1 | awk '/^%hostname% / { print $2; exit }')
    #shellcheck disable=SC1004
    hostname=$(echo "$hostname" | awk '\
    { \
    if ($1~/^[0-9.:]+$/) \
    print $1; \
    else \
    split($1, a, ".") ; print a[1] \
    }')
    else
    if ! _is_enabled "$ssh_only"; then
    hostname=$(command hostname -s)
    fi
    fi

    echo "$hostname"
    }
    export -f _hostname

    _root() {
    tty=${1:-$(tmux display -p '#{pane_tty}')}
    username=$(_username "$tty" false)

    if [ x"$username" = x"root" ]; then
    tmux show -gqv '@root'
    else
    echo ""
    fi
    }
    export -f _root

    _uptime() {
    case $(uname -s) in
    *Darwin*)
    boot=$(sysctl -q -n kern.boottime | awk -F'[ ,:]+' '{ print $4 }')
    now=$(date +%s)
    ;;
    *Linux*|*CYGWIN*|*MSYS*|*MINGW*)
    now=$(cut -d' ' -f1 < /proc/uptime)
    ;;
    *OpenBSD*)
    boot=$(sysctl -n kern.boottime)
    now=$(date +%s)
    esac
    # shellcheck disable=SC1004
    awk -v boot="$boot" -v now="$now" '
    BEGIN {
    uptime = now - boot
    d = int(uptime / 86400)
    h = int(uptime / 3600) % 24
    m = int(uptime / 60) % 60
    s = int(uptime) % 60
    system("tmux set -g @uptime_d " d + 0 " \\; " \
    "set -g @uptime_h " h + 0 " \\; " \
    "set -g @uptime_m " m + 0 " \\; " \
    "set -g @uptime_s " s + 0)
    }'
    }
    export -f _uptime

    _loadavg() {
    case $(uname -s) in
    *Darwin*)
    tmux set -g @loadavg "$(sysctl -q -n vm.loadavg | cut -d' ' -f2)"
    ;;
    *Linux*)
    tmux set -g @loadavg "$(cut -d' ' -f1 < /proc/loadavg)"
    ;;
    *OpenBSD*)
    tmux set -g @loadavg "$(sysctl -q -n vm.loadavg | cut -d' ' -f1)"
    ;;
    esac
    }
    export -f _loadavg

    _split_window() {
    tty=${1:-$(tmux display -p '#{pane_tty}')}
    shift
    # shellcheck disable=SC2039
    if [ x"$OSTYPE" = x"cygwin" ]; then
    pid=$(ps -a | sort -d | awk -v tty="${tty##/dev/}" '$5 == tty && /ssh/ && !/-W/ { print $1; exit 0 }')
    [ -n "$pid" ] && ssh=$(tr '\0' ' ' < "/proc/$pid/cmdline")
    else
    ssh=$(ps -t "$tty" -o command= | sort -d | awk '/ssh/ && !/-W/ { print $0; exit 0 }')
    fi
    if [ -n "$ssh" ]; then
    # shellcheck disable=SC2046
    tmux split-window "$@" $(echo "$ssh" | sed -e "s/;/\\\\;/g")
    else
    tmux split-window "$@"
    fi
    }
    export -f _split_window

    _apply_theme() {

    # -- panes -------------------------------------------------------------

    tmux_conf_theme_window_fg=${tmux_conf_theme_window_fg:-default}
    tmux_conf_theme_window_bg=${tmux_conf_theme_window_bg:-default}
    tmux_conf_theme_highlight_focused_pane=${tmux_conf_theme_highlight_focused_pane:-false}
    tmux_conf_theme_focused_pane_fg=${tmux_conf_theme_focused_pane_fg:-'default'} # default
    tmux_conf_theme_focused_pane_bg=${tmux_conf_theme_focused_pane_bg:-'#0087d7'} # light blue

    # tmux 1.9 doesn't really like set -q
    if tmux show -g -w | grep -q window-style; then
    tmux setw -g window-style "fg=$tmux_conf_theme_window_fg,bg=$tmux_conf_theme_window_bg"

    if _is_enabled "$tmux_conf_theme_highlight_focused_pane"; then
    tmux setw -g window-active-style "fg=$tmux_conf_theme_focused_pane_fg,bg=$tmux_conf_theme_focused_pane_bg"
    else
    tmux setw -g window-active-style default
    fi
    fi

    tmux_conf_theme_pane_border_style=${tmux_conf_theme_pane_border_style:-thin}
    tmux_conf_theme_pane_border=${tmux_conf_theme_pane_border:-'#444444'} # light gray
    tmux_conf_theme_pane_active_border=${tmux_conf_theme_pane_active_border:-'#00afff'} # light blue
    tmux_conf_theme_pane_border_fg=${tmux_conf_theme_pane_border_fg:-$tmux_conf_theme_pane_border}
    tmux_conf_theme_pane_active_border_fg=${tmux_conf_theme_pane_active_border_fg:-$tmux_conf_theme_pane_active_border}
    case "$tmux_conf_theme_pane_border_style" in
    fat)
    tmux_conf_theme_pane_border_bg=${tmux_conf_theme_pane_border_bg:-$tmux_conf_theme_pane_border_fg}
    tmux_conf_theme_pane_active_border_bg=${tmux_conf_theme_pane_active_border_bg:-$tmux_conf_theme_pane_active_border_fg}
    ;;
    thin|*)
    tmux_conf_theme_pane_border_bg=${tmux_conf_theme_pane_border_bg:-'default'}
    tmux_conf_theme_pane_active_border_bg=${tmux_conf_theme_pane_active_border_bg:-'default'}
    ;;
    esac
    tmux setw -g pane-border-style "fg=$tmux_conf_theme_pane_border_fg,bg=$tmux_conf_theme_pane_border_bg" \; set -g pane-active-border-style "fg=$tmux_conf_theme_pane_active_border_fg,bg=$tmux_conf_theme_pane_active_border_bg"

    tmux_conf_theme_pane_indicator=${tmux_conf_theme_pane_indicator:-'#00afff'} # light blue
    tmux_conf_theme_pane_active_indicator=${tmux_conf_theme_pane_active_indicator:-'#00afff'} # light blue

    tmux set -g display-panes-colour "$tmux_conf_theme_pane_indicator" \; set -g display-panes-active-colour "$tmux_conf_theme_pane_active_indicator"

    # -- status line -------------------------------------------------------

    tmux_conf_theme_left_separator_main=${tmux_conf_theme_left_separator_main-''}
    tmux_conf_theme_left_separator_sub=${tmux_conf_theme_left_separator_sub-'|'}
    tmux_conf_theme_right_separator_main=${tmux_conf_theme_right_separator_main-''}
    tmux_conf_theme_right_separator_sub=${tmux_conf_theme_right_separator_sub-'|'}

    tmux_conf_theme_message_fg=${tmux_conf_theme_message_fg:-'#000000'} # black
    tmux_conf_theme_message_bg=${tmux_conf_theme_message_bg:-'#ffff00'} # yellow
    tmux_conf_theme_message_attr=${tmux_conf_theme_message_attr:-'bold'}
    tmux set -g message-style "fg=$tmux_conf_theme_message_fg,bg=$tmux_conf_theme_message_bg,$tmux_conf_theme_message_attr"

    tmux_conf_theme_message_command_fg=${tmux_conf_theme_message_command_fg:-'#ffff00'} # yellow
    tmux_conf_theme_message_command_bg=${tmux_conf_theme_message_command_bg:-'#000000'} # black
    tmux_conf_theme_message_command_attr=${tmux_conf_theme_message_command_attr:-'bold'}
    tmux set -g message-command-style "fg=$tmux_conf_theme_message_command_fg,bg=$tmux_conf_theme_message_command_bg,$tmux_conf_theme_message_command_attr"

    tmux_conf_theme_mode_fg=${tmux_conf_theme_mode_fg:-'#000000'} # black
    tmux_conf_theme_mode_bg=${tmux_conf_theme_mode_bg:-'#ffff00'} # yellow
    tmux_conf_theme_mode_attr=${tmux_conf_theme_mode_attr:-'bold'}
    tmux setw -g mode-style "fg=$tmux_conf_theme_mode_fg,bg=$tmux_conf_theme_mode_bg,$tmux_conf_theme_mode_attr"

    tmux_conf_theme_status_fg=${tmux_conf_theme_status_fg:-'#8a8a8a'} # white
    tmux_conf_theme_status_bg=${tmux_conf_theme_status_bg:-'#080808'} # dark gray
    tmux_conf_theme_status_attr=${tmux_conf_theme_status_attr:-'none'}
    tmux set -g status-style "fg=$tmux_conf_theme_status_fg,bg=$tmux_conf_theme_status_bg,$tmux_conf_theme_status_attr" \;\
    set -g status-left-style "fg=$tmux_conf_theme_status_fg,bg=$tmux_conf_theme_status_bg,$tmux_conf_theme_status_attr" \;\
    set -g status-right-style "fg=$tmux_conf_theme_status_fg,bg=$tmux_conf_theme_status_bg,$tmux_conf_theme_status_attr"

    tmux_conf_theme_window_status_fg=${tmux_conf_theme_window_status_fg:-'#8a8a8a'} # white
    tmux_conf_theme_window_status_bg=${tmux_conf_theme_window_status_bg:-'#080808'} # dark gray
    tmux_conf_theme_window_status_attr=${tmux_conf_theme_window_status_attr:-'none'}
    tmux_conf_theme_window_status_format=${tmux_conf_theme_window_status_format:-'#I #W'}

    tmux_conf_theme_window_status_current_fg=${tmux_conf_theme_window_status_current_fg:-'#000000'} # black
    tmux_conf_theme_window_status_current_bg=${tmux_conf_theme_window_status_current_bg:-'#00afff'} # light blue
    tmux_conf_theme_window_status_current_attr=${tmux_conf_theme_window_status_current_attr:-'bold'}
    tmux_conf_theme_window_status_current_format=${tmux_conf_theme_window_status_current_format:-'#I #W'}
    if [ x"$(tmux show -g -v status-justify)" = x"right" ]; then
    tmux_conf_theme_window_status_current_format="#[fg=$tmux_conf_theme_window_status_current_bg,bg=$tmux_conf_theme_window_status_bg]$tmux_conf_theme_right_separator_main#[fg=default,bg=default,default] $tmux_conf_theme_window_status_current_format #[fg=$tmux_conf_theme_window_status_bg,bg=$tmux_conf_theme_window_status_current_bg,none]$tmux_conf_theme_right_separator_main"
    else
    tmux_conf_theme_window_status_current_format="#[fg=$tmux_conf_theme_window_status_bg,bg=$tmux_conf_theme_window_status_current_bg]$tmux_conf_theme_left_separator_main#[fg=default,bg=default,default] $tmux_conf_theme_window_status_current_format #[fg=$tmux_conf_theme_window_status_current_bg,bg=$tmux_conf_theme_status_bg,none]$tmux_conf_theme_left_separator_main"
    fi

    tmux_conf_theme_window_status_format=$(echo "$tmux_conf_theme_window_status_format" | sed 's%#{circled_window_index}%#(cut -c3- ~/.tmux.conf | sh -s _circled_digit #I)%g')
    tmux_conf_theme_window_status_current_format=$(echo "$tmux_conf_theme_window_status_current_format" | sed 's%#{circled_window_index}%#(cut -c3- ~/.tmux.conf | sh -s _circled_digit #I)%g')

    tmux setw -g window-status-style "fg=$tmux_conf_theme_window_status_fg,bg=$tmux_conf_theme_window_status_bg,$tmux_conf_theme_window_status_attr" \;\
    setw -g window-status-format "$tmux_conf_theme_window_status_format" \;\
    setw -g window-status-current-style "fg=$tmux_conf_theme_window_status_current_fg,bg=$tmux_conf_theme_window_status_current_bg,$tmux_conf_theme_window_status_current_attr" \;\
    setw -g window-status-current-format "$tmux_conf_theme_window_status_current_format"

    tmux_conf_theme_window_status_activity_fg=${tmux_conf_theme_window_status_activity_fg:-'default'}
    tmux_conf_theme_window_status_activity_bg=${tmux_conf_theme_window_status_activity_bg:-'default'}
    tmux_conf_theme_window_status_activity_attr=${tmux_conf_theme_window_status_activity_attr:-'underscore'}
    tmux setw -g window-status-activity-style "fg=$tmux_conf_theme_window_status_activity_fg,bg=$tmux_conf_theme_window_status_activity_bg,$tmux_conf_theme_window_status_activity_attr"

    tmux_conf_theme_window_status_bell_fg=${tmux_conf_theme_window_status_bell_fg:-'#ffff00'} # yellow
    tmux_conf_theme_window_status_bell_bg=${tmux_conf_theme_window_status_bell_bg:-'default'}
    tmux_conf_theme_window_status_bell_attr=${tmux_conf_theme_window_status_bell_attr:-'blink,bold'}
    tmux setw -g window-status-bell-style "fg=$tmux_conf_theme_window_status_bell_fg,bg=$tmux_conf_theme_window_status_bell_bg,$tmux_conf_theme_window_status_bell_attr"

    tmux_conf_theme_window_status_last_fg=${tmux_conf_theme_window_status_last_fg:-'#00afff'} # light blue
    tmux_conf_theme_window_status_last_bg=${tmux_conf_theme_window_status_last_bg:-'default'}
    tmux_conf_theme_window_status_last_attr=${tmux_conf_theme_window_status_last_attr:-'none'}
    tmux setw -g window-status-last-style "fg=$tmux_conf_theme_window_status_last_fg,bg=$tmux_conf_theme_window_status_last_bg,$tmux_conf_theme_window_status_last_attr"

    # -- indicators

    tmux_conf_theme_pairing=${tmux_conf_theme_pairing:-'👓'} # U+1F453
    tmux_conf_theme_pairing_fg=${tmux_conf_theme_pairing_fg:-'#e4e4e4'} # white
    tmux_conf_theme_pairing_bg=${tmux_conf_theme_pairing_bg:-'none'}
    tmux_conf_theme_pairing_attr=${tmux_conf_theme_pairing_attr:-'none'}

    tmux_conf_theme_prefix=${tmux_conf_theme_prefix:-''} # U+2328
    tmux_conf_theme_prefix_fg=${tmux_conf_theme_prefix_fg:-'#e4e4e4'} # white
    tmux_conf_theme_prefix_bg=${tmux_conf_theme_prefix_bg:-'none'}
    tmux_conf_theme_prefix_attr=${tmux_conf_theme_prefix_attr:-'none'}

    tmux_conf_theme_root=${tmux_conf_theme_root:-'!'}
    tmux_conf_theme_root_fg=${tmux_conf_theme_root_fg:-'none'}
    tmux_conf_theme_root_bg=${tmux_conf_theme_root_bg:-'none'}
    tmux_conf_theme_root_attr=${tmux_conf_theme_root_attr:-'bold,blink'}

    # -- status left style

    tmux_conf_theme_status_left=${tmux_conf_theme_status_left-' ❐ #S '}
    tmux_conf_theme_status_left_fg=${tmux_conf_theme_status_left_fg:-'#000000,#e4e4e4,#e4e4e4'} # black, white , white
    tmux_conf_theme_status_left_bg=${tmux_conf_theme_status_left_bg:-'#ffff00,#ff00af,#00afff'} # yellow, pink, white blue
    tmux_conf_theme_status_left_attr=${tmux_conf_theme_status_left_attr:-'bold,none,none'}

    tmux_conf_theme_status_left=$(echo "$tmux_conf_theme_status_left" | sed \
    -e "s/#{pairing}/#[fg=$tmux_conf_theme_pairing_fg]#[bg=$tmux_conf_theme_pairing_bg]#[$tmux_conf_theme_pairing_attr]#{?session_many_attached,$tmux_conf_theme_pairing,}/g")

    tmux_conf_theme_status_left=$(echo "$tmux_conf_theme_status_left" | sed \
    -e "s/#{prefix}/#[fg=$tmux_conf_theme_prefix_fg]#[bg=$tmux_conf_theme_prefix_bg]#[$tmux_conf_theme_prefix_attr]#{?client_prefix,$tmux_conf_theme_prefix,}/g")

    tmux_conf_theme_status_left=$(echo "$tmux_conf_theme_status_left" | sed \
    -e "s%#{root}%#[fg=$tmux_conf_theme_root_fg]#[bg=$tmux_conf_theme_root_bg]#[$tmux_conf_theme_root_attr]#(cut -c3- ~/.tmux.conf | sh -s _root #{pane_tty} #D)#[inherit]%g")

    if [ -n "$tmux_conf_theme_status_left" ]; then
    status_left=$(awk \
    -v fg_="$tmux_conf_theme_status_left_fg" \
    -v bg_="$tmux_conf_theme_status_left_bg" \
    -v attr_="$tmux_conf_theme_status_left_attr" \
    -v mainsep="$tmux_conf_theme_left_separator_main" \
    -v subsep="$tmux_conf_theme_left_separator_sub" '
    function subsplit(s, l, i, a, r)
    {
    l = split(s, a, ",")
    for (i = 1; i <= l; ++i)
    {
    o = split(a[i], _, "(") - 1
    c = split(a[i], _, ")") - 1
    open += o - c
    o_ = split(a[i], _, "{") - 1
    c_ = split(a[i], _, "}") - 1
    open_ += o_ - c_
    o__ = split(a[i], _, "[") - 1
    c__ = split(a[i], _, "]") - 1
    open__ += o__ - c__
    if (i == l)
    r = sprintf("%s%s", r, a[i])
    else if (open || open_ || open__)
    r = sprintf("%s%s,", r, a[i])
    else
    r = sprintf("%s%s#[fg=%s,bg=%s,%s]%s", r, a[i], fg[j], bg[j], attr[j], subsep)
    }
    gsub(/#\[inherit\]/, sprintf("#[default]#[fg=%s,bg=%s,%s]", fg[j], bg[j], attr[j]), r)
    return r
    }
    BEGIN {
    FS = "|"
    l1 = split(fg_, fg, ",")
    l2 = split(bg_, bg, ",")
    l3 = split(attr_, attr, ",")
    l = l1 < l2 ? (l1 < l3 ? l1 : l3) : (l2 < l3 ? l2 : l3)
    }
    {
    for (i = j = 1; i <= NF; ++i)
    {
    if (open || open_ || open__)
    printf "|%s", subsplit($i)
    else
    {
    if (i > 1)
    printf "#[fg=%s,bg=%s,none]%s#[fg=%s,bg=%s,%s]%s", bg[j_], bg[j], mainsep, fg[j], bg[j], attr[j], subsplit($i)
    else
    printf "#[fg=%s,bg=%s,%s]%s", fg[j], bg[j], attr[j], subsplit($i)
    }
    if (!open && !open_ && !open__)
    {
    j_ = j
    j = j % l + 1
    }
    }
    printf "#[fg=%s,bg=%s,none]%s", bg[j_], "default", mainsep
    }' << EOF
    $tmux_conf_theme_status_left
    EOF
    )
    fi

    status_left="$status_left "

    # -- status right style

    tmux_conf_theme_status_right=${tmux_conf_theme_status_right-'#{pairing}#{prefix} #{battery_status} #{battery_bar} #{battery_percentage} , %R , %d %b | #{username} | #{hostname} '}
    tmux_conf_theme_status_right_fg=${tmux_conf_theme_status_right_fg:-'#8a8a8a,#e4e4e4,#000000'} # light gray, white, black
    tmux_conf_theme_status_right_bg=${tmux_conf_theme_status_right_bg:-'#080808,#d70000,#e4e4e4'} # dark gray, red, white
    tmux_conf_theme_status_right_attr=${tmux_conf_theme_status_right_attr:-'none,none,bold'}

    tmux_conf_theme_status_right=$(echo "$tmux_conf_theme_status_right" | sed \
    -e "s/#{pairing}/#[fg=$tmux_conf_theme_pairing_fg]#[bg=$tmux_conf_theme_pairing_bg]#[$tmux_conf_theme_pairing_attr]#{?session_many_attached,$tmux_conf_theme_pairing,}/g")

    tmux_conf_theme_status_right=$(echo "$tmux_conf_theme_status_right" | sed \
    -e "s/#{prefix}/#[fg=$tmux_conf_theme_prefix_fg]#[bg=$tmux_conf_theme_prefix_bg]#[$tmux_conf_theme_prefix_attr]#{?client_prefix,$tmux_conf_theme_prefix,}/g")

    tmux_conf_theme_status_right=$(echo "$tmux_conf_theme_status_right" | sed \
    -e "s%#{root}%#[fg=$tmux_conf_theme_root_fg]#[bg=$tmux_conf_theme_root_bg]#[$tmux_conf_theme_root_attr]#(cut -c3- ~/.tmux.conf | sh -s _root #{pane_tty} #D)#[inherit]%g")

    if [ -n "$tmux_conf_theme_status_right" ]; then
    status_right=$(awk \
    -v fg_="$tmux_conf_theme_status_right_fg" \
    -v bg_="$tmux_conf_theme_status_right_bg" \
    -v attr_="$tmux_conf_theme_status_right_attr" \
    -v mainsep="$tmux_conf_theme_right_separator_main" \
    -v subsep="$tmux_conf_theme_right_separator_sub" '
    function subsplit(s, l, i, a, r)
    {
    l = split(s, a, ",")
    for (i = 1; i <= l; ++i)
    {
    o = split(a[i], _, "(") - 1
    c = split(a[i], _, ")") - 1
    open += o - c
    o_ = split(a[i], _, "{") - 1
    c_ = split(a[i], _, "}") - 1
    open_ += o_ - c_
    o__ = split(a[i], _, "[") - 1
    c__ = split(a[i], _, "]") - 1
    open__ += o__ - c__
    if (i == l)
    r = sprintf("%s%s", r, a[i])
    else if (open || open_ || open__)
    r = sprintf("%s%s,", r, a[i])
    else
    r = sprintf("%s%s#[fg=%s,bg=%s,%s]%s", r, a[i], fg[j], bg[j], attr[j], subsep)
    }
    gsub(/#\[inherit\]/, sprintf("#[default]#[fg=%s,bg=%s,%s]", fg[j], bg[j], attr[j]), r)
    return r
    }
    BEGIN {
    FS = "|"
    l1 = split(fg_, fg, ",")
    l2 = split(bg_, bg, ",")
    l3 = split(attr_, attr, ",")
    l = l1 < l2 ? (l1 < l3 ? l1 : l3) : (l2 < l3 ? l2 : l3)
    }
    {
    for (i = j = 1; i <= NF; ++i)
    {
    if (open_ || open || open__)
    printf "|%s", subsplit($i)
    else
    printf "#[fg=%s,bg=%s,none]%s#[fg=%s,bg=%s,%s]%s", bg[j], (i == 1) ? "default" : bg[j_], mainsep, fg[j], bg[j], attr[j], subsplit($i)
    if (!open && !open_ && !open__)
    {
    j_ = j
    j = j % l + 1
    }
    }
    }' << EOF
    $tmux_conf_theme_status_right
    EOF
    )
    fi

    # -- variables

    #tmux set -g '@root' "$tmux_conf_theme_root"

    #tmux_conf_battery_bar_symbol_full=${tmux_conf_battery_bar_symbol_full:-'◼'}
    #tmux_conf_battery_bar_symbol_empty=${tmux_conf_battery_bar_symbol_empty:-'◻'}
    #tmux_conf_battery_bar_length=${tmux_conf_battery_bar_length:-'auto'}
    #tmux_conf_battery_bar_palette=${tmux_conf_battery_bar_palette:-'gradient'}
    #tmux_conf_battery_hbar_palette=${tmux_conf_battery_hbar_palette:-'gradient'} # red, orange, green
    #tmux_conf_battery_vbar_palette=${tmux_conf_battery_vbar_palette:-'gradient'} # red, orange, green
    #tmux_conf_battery_status_charging=${tmux_conf_battery_status_charging:-'↑'} # U+2191
    #tmux_conf_battery_status_discharging=${tmux_conf_battery_status_discharging:-'↓'} # U+2193

    #case "$status_left $status_right" in
    # *'#{battery_status}'*|*'#{battery_bar}'*|*'#{battery_hbar}'*|*'#{battery_vbar}'*|*'#{battery_percentage}'*)
    # status_left=$(echo "$status_left" | sed -E \
    # -e 's/#\{(\?)?battery_bar/#\{\1@battery_bar/g' \
    # -e 's/#\{(\?)?battery_hbar/#\{\1@battery_hbar/g' \
    # -e 's/#\{(\?)?battery_vbar/#\{\1@battery_vbar/g' \
    # -e 's/#\{(\?)?battery_status/#\{\1@battery_status/g' \
    # -e 's/#\{(\?)?battery_percentage/#\{\1@battery_percentage/g')
    # status_right=$(echo "$status_right" | sed -E \
    # -e 's/#\{(\?)?battery_bar/#\{\1@battery_bar/g' \
    # -e 's/#\{(\?)?battery_hbar/#\{\1@battery_hbar/g' \
    # -e 's/#\{(\?)?battery_vbar/#\{\1@battery_vbar/g' \
    # -e 's/#\{(\?)?battery_status/#\{\1@battery_status/g' \
    # -e 's/#\{(\?)?battery_percentage/#\{\1@battery_percentage/g')

    # tmux set -g '@battery_bar_symbol_full' "$tmux_conf_battery_bar_symbol_full" \;\
    # set -g '@battery_bar_symbol_empty' "$tmux_conf_battery_bar_symbol_empty" \;\
    # set -g '@battery_bar_length' "$tmux_conf_battery_bar_length" \;\
    # set -g '@battery_bar_palette' "$tmux_conf_battery_bar_palette" \;\
    # set -g '@battery_hbar_palette' "$tmux_conf_battery_hbar_palette" \;\
    # set -g '@battery_vbar_palette' "$tmux_conf_battery_vbar_palette" \;\
    # set -g '@battery_status_charging' "$tmux_conf_battery_status_charging" \;\
    # set -g '@battery_status_discharging' "$tmux_conf_battery_status_discharging"
    # status_right="#(cut -c3- ~/.tmux.conf | sh -s _battery)$status_right"
    # ;;
    #esac

    case "$status_left $status_right" in
    *'#{username}'*|*'#{hostname}'*|*'#{username_ssh}'*|*'#{hostname_ssh}'*)
    status_left=$(echo "$status_left" | sed \
    -e 's%#{username}%#(cut -c3- ~/.tmux.conf | sh -s _username #{pane_tty} false #D)%g' \
    -e 's%#{hostname}%#(cut -c3- ~/.tmux.conf | sh -s _hostname #{pane_tty} false #D)%g' \
    -e 's%#{username_ssh}%#(cut -c3- ~/.tmux.conf | sh -s _username #{pane_tty} true #D)%g' \
    -e 's%#{hostname_ssh}%#(cut -c3- ~/.tmux.conf | sh -s _hostname #{pane_tty} true #D)%g')
    status_right=$(echo "$status_right" | sed \
    -e 's%#{username}%#(cut -c3- ~/.tmux.conf | sh -s _username #{pane_tty} false #D)%g' \
    -e 's%#{hostname}%#(cut -c3- ~/.tmux.conf | sh -s _hostname #{pane_tty} false #D)%g' \
    -e 's%#{username_ssh}%#(cut -c3- ~/.tmux.conf | sh -s _username #{pane_tty} true #D)%g' \
    -e 's%#{hostname_ssh}%#(cut -c3- ~/.tmux.conf | sh -s _hostname #{pane_tty} true #D)%g')
    ;;
    esac

    case "$status_left $status_right" in
    *'#{uptime_d}'*|*'#{uptime_h}'*|*'#{uptime_m}'*)
    status_left=$(echo "$status_left" | sed -E \
    -e 's/#\{(\?)?uptime_d/#\{\1@uptime_d/g' \
    -e 's/#\{(\?)?uptime_h/#\{\1@uptime_h/g' \
    -e 's/#\{(\?)?uptime_m/#\{\1@uptime_m/g' \
    -e 's/#\{(\?)?uptime_s/#\{\1@uptime_s/g')
    status_right=$(echo "$status_right" | sed -E \
    -e 's/#\{(\?)?uptime_d/#\{\1@uptime_d/g' \
    -e 's/#\{(\?)?uptime_h/#\{\1@uptime_h/g' \
    -e 's/#\{(\?)?uptime_m/#\{\1@uptime_m/g' \
    -e 's/#\{(\?)?uptime_s/#\{\1@uptime_s/g')
    status_right="#(cut -c3- ~/.tmux.conf | sh -s _uptime)$status_right"
    ;;
    esac

    case "$status_left $status_right" in
    *'#{loadavg}'*)
    status_left=$(echo "$status_left" | sed -E \
    -e 's/#\{(\?)?loadavg/#\{\1@loadavg/g')
    status_right=$(echo "$status_right" | sed -E \
    -e 's/#\{(\?)?loadavg/#\{\1@loadavg/g')
    status_right="#(cut -c3- ~/.tmux.conf | sh -s _loadavg)$status_right"
    ;;
    esac

    status_left=$(echo "$status_left" | sed 's%#{circled_session_name}%#(cut -c3- ~/.tmux.conf | sh -s _circled_digit #S)%g')
    status_right=$(echo "$status_right" | sed 's%#{circled_session_name}%#(cut -c3- ~/.tmux.conf | sh -s _circled_digit #S)%g')

    tmux set -g status-left-length 1000 \; set -g status-left "$status_left" \;\
    set -g status-right-length 1000 \; set -g status-right "$status_right"

    # -- clock -------------------------------------------------------------

    tmux_conf_theme_clock_colour=${tmux_conf_theme_clock_colour:-'#00afff'} # light blue
    tmux_conf_theme_clock_style=${tmux_conf_theme_clock_style:-'24'}
    tmux setw -g clock-mode-colour "$tmux_conf_theme_clock_colour" \;\
    setw -g clock-mode-style "$tmux_conf_theme_clock_style"
    }
    export -f _apply_theme

    _apply_configuration() {
    # see https://github.com/ChrisJohnsen/tmux-MacOSX-pasteboard
    if command -v reattach-to-user-namespace > /dev/null 2>&1; then
    default_shell="$(tmux show -gv default-shell)"
    case "$default_shell" in
    *fish)
    tmux set -g default-command "reattach-to-user-namespace -l $default_shell"
    ;;
    *sh)
    tmux set -g default-command "exec $default_shell... 2> /dev/null & reattach-to-user-namespace -l $default_shell"
    ;;
    esac
    fi

    #_apply_overrides
    #_apply_bindings
    _apply_theme
    for name in $(printenv | grep -Eo '^tmux_conf_[^=]+'); do tmux setenv -gu "$name"; done;
    }
    export -f _apply_configuration

    _urlview() {
    tmux capture-pane -J -S - -E - -b "urlview-$1" -t "$1"
    tmux split-window "tmux show-buffer -b urlview-$1 | urlview || true; tmux delete-buffer -b urlview-$1"
    }
    export -f _urlview

    _fpp() {
    tmux capture-pane -J -S - -E - -b "fpp-$1" -t "$1"
    tmux split-window "tmux show-buffer -b fpp-$1 | fpp || true; tmux delete-buffer -b fpp-$1"
    }
    export -f _fpp

    "$@"