move tmux to $XDG_CONFIG_HOME

.config/tmux/spotify.applescript

@@ -0,0 +1,21 @@
+#!/usr/bin/env osascript
+# Returns the current playing song in Spotify for OSX
+
+tell application "Spotify"
+  if it is running then
+    if player state is playing then
+      set track_name to name of current track
+      set artist_name to artist of current track
+
+      if artist_name > 0
+        # If the track has an artist set and is therefore most likely a song rather than an advert
+        " ♫ " & artist_name & " - " & track_name
+      else
+        # If the track doesn't have an artist set and is therefore most likely an advert rather than a song
+        " ~ " & track_name
+      end if
+    else
+        " ⏸︎ Spotify is paused"
+    end if
+  end if
+end tell

.config/tmux/tmux.conf

@@ -0,0 +1,57 @@
+# Source changes without restarting tmux:
+#   tmux source-file ~/.tmux.conf
+# I have a custom Planck EZ layer for tmux
+# so I don't have to adjust keyboard shortcuts
+#
+# Still, the most important ones to me:
+# Prefix is Ctrl+b, then:
+# c             create new window
+# n             switch to next window
+# <n>           switch to windows <n>
+# o             switch to next pane
+# %             split pane vertically
+# "             split pane horizontally
+# <Space>       change layout when having more than one pane
+# ,             rename active window
+
+# I don't know
+set -g mouse on
+
+# Increase scrollback history
+set-option -g history-limit 50000
+
+# Faster mouse scrolling
+set -g @scroll-speed-num-lines-per-scroll 5
+
+# Vi mode to copy things from terminal
+setw -g mode-keys vi
+
+# Count panes from 1 instead of 0
+set -g base-index 1
+setw -g pane-base-index 1
+
+# Status bar stuff
+set -g status-style fg=#9d7cd8,bg=#16161e
+set-window-option -g window-status-current-style bg=#3e3158
+set -g status-position top
+set -g status-interval 10
+set -g status-left "#( ~/.config/tmux/tmux_left.sh )"
+set -g status-left-length 60
+set -g status-justify centre
+set -g status-right "#( ~/.config/tmux/tmux_right.sh )"
+set -g status-right-length 60
+
+# Get good colors
+# https://www.reddit.com/r/tmux/comments/mesrci/tmux_2_doesnt_seem_to_use_256_colors/
+#set-option -g default-terminal "screen-256color"
+set -g default-terminal "tmux-256color"
+set -ga terminal-overrides ",*256col*:Tc"
+set -ga terminal-overrides '*:Ss=\E[%p1%d q:Se=\E[ q'
+set-environment -g COLORTERM "truecolor"
+
+# Display messages longer (ms)
+#set-option -g display-time 4000
+
+# Splits start with $PWD from source pane
+bind '"' split-window -v -c "#{pane_current_path}"
+bind % split-window -h -c "#{pane_current_path}"

.config/tmux/tmux_left.sh

@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+
+# Trigger Applescript when on macOS
+if [[ "$OSTYPE" == "darwin"* ]]; then
+    ~/git/dotfiles/.config/tmux/spotify.applescript
+fi

.config/tmux/tmux_right.sh

@@ -0,0 +1,56 @@
+#!/usr/bin/env bash
+
+# This doesn't show overall/summarized CPU usage as e.g. macOS Activity Monitor
+# But still capable of showing high/multicore process CPU usage
+cpu_usage=$(ps -Ac -o %cpu,comm | sort -nk1 | grep -vE "(top)" | tail -1)
+float=$(echo "$cpu_usage" | awk '{print $1}')
+cpu_percent=${float%.*}
+cpu_procname=$(echo "$cpu_usage" | awk '{print $2,$3,$4}')
+
+# nettop needs at least two samples (-L 2) to calculate a delta
+# the beasty awk then throws away the first 50% samples (n=50) with bogus
+# data and sorts it by bytes_in
+bandwidth=$(nettop -t wifi -P -J bytes_in,bytes_out -d -x -L 2 \
+| grep -v '^time' | sort -k1 | awk -v n=50 '{a[FNR]=$0; \
+min=FNR-int(FNR*n/100)} {i=min; while(i in a) delete a[i--]} \
+END{for(i=min+1;i<=FNR;++i) print a[i]}' - | sed 's/,$//' \
+| sed 's#\.[0-9]*##g' | sort -t',' -k 3 -n | tail -1  | \
+awk -F',' '{print $3,$4,$2}')
+
+value=$(echo "$bandwidth" | awk '{print $1}')
+    if [ "$value" -lt 1000 ]; then
+        bw_down=$(echo "$value" | awk '{print int($1),"B/s"}')
+    elif [ "$value" -ge 1000 ] && [ "$value" -lt 1000000 ]; then
+        bw_down=$(echo "$value" | awk '{print int($1/1000),"kB/s"}')
+    elif [ "$value" -ge 1000000 ]; then
+        bw_down=$(echo "$value" | awk '{print int($1/1000^2),"MB/s"}')
+    fi
+value=$(echo "$bandwidth" | awk '{print $2}')
+    if [ "$value" -lt 1000 ]; then
+        bw_up=$(echo "$value" | awk '{print int($2),"B/s"}')
+    elif [ "$value" -ge 1000 ] && [ "$value" -lt 1000000 ]; then
+        bw_up=$(echo "$value" | awk '{print int($2/1000),"kB/s"}')
+    elif [ "$value" -ge 1000000 ]; then
+        bw_up=$(echo "$value" | awk '{print int($2/1000^2),"MB/s"}')
+    fi
+    bw_procname=$(echo "$bandwidth" | awk '{print $3,$4,$5}')
+
+# Pings the default gateway and returns avg ping. Three ping counts
+# recommended for a reasonably meaningful average
+ping=$(ping -t 2 -q -c 3 "$(route -n get default | \
+    awk '$1 ~ "gateway:" {print $2}')" | \
+    awk -F'/' '$1 ~ "round-trip" {print int($5)}')
+
+# cpu load 4 digits max, smaller value is padded
+# cpu process name right padded
+cpu=$(printf "%4d%% %#-14.14s" "$cpu_percent" "$cpu_procname")
+
+# up/download 8 digits max each, pad smaller value (has units baked in)
+# process name right padded
+bandwidth=$(printf "↓%8s ↑%8s %#-14.14s" "$bw_down" "$bw_up" "$bw_procname")
+
+# cpu load 4 digits max, smaller value is padded
+ping=$(printf "%4dms " "$ping")
+
+# Combine all printf formatted metrics
+echo "$ping $bandwidth $cpu"