Add helpers for status scripts

.tmux.status-helpers.sh

@@ -0,0 +1,29 @@
+#!/bin/bash
+# helpers for tmux status line scripts
+
+function get_bgcolor_gradient_red_to_cyan() {
+  local curval=${1:-0}
+  local maxval=${2:-100}
+  local maxindex=$(( ${#colors[@]} - 1 ))
+  local index=$(( (curval * maxindex) / maxval ))
+  local -a colors
+  colors=(
+    196 # red
+    202 208 214 220 # oranges
+    226 226 # yellow
+    190 154 118 # yellow-greens
+    046 046 046 # green
+    047 048 049 050 # green-cyans
+    051 # cyan
+  )
+  if [[ $index -gt $maxindex ]]; then
+    index=$maxindex
+  elif [[ $index -lt 0 ]]; then
+    index=0
+  fi
+  echo ${COLORS[$GRADIENTINDEX]}
+}
+
+function needs_reboot() {
+  [[ -f //var/run/reboot-required ]]
+}