Plugin for iTerm2 on OSX

iTerm2 is a popular terminal emulator for OSX (https://www.iterm2.com).

The plugin currently implements one function, iterm2_profile, which
allows easily changing the currently selected user settings profile,
without creating a new tab or window, just by calling the function.

For example, this is handy for switching from a dark to a light colored
profile without having to re-open anything.

In addition, it also works within tmux running inside iTerm2.

plugins/iterm2/iterm2.plugin.zsh

@@ -0,0 +1,38 @@
+#####################################################
+# iTerm2 plugin for oh-my-zsh                       #
+# Author: Aviv Rosenberg (github.com/avivrosenberg) #
+#####################################################
+
+###
+# This plugin is only relevant if the terminal is iTerm2 on OSX.
+if [[ "$OSTYPE" == darwin* ]] && [[ -n "$ITERM_SESSION_ID" ]] ; then
+
+  ###
+  # iterm2_profile(): Function for changing the current terminal window's
+  # profile (colors, fonts, settings, etc).
+  # To change the current iTerm2 profile, call this function and pass in a name
+  # of another existing iTerm2 profile (name can contain spaces).
+  function iterm2_profile() {
+    # Desired name of profile
+    local profile="$1"
+
+    # iTerm2 escape code for changing profile
+    local iterm2_code="\x1b]50;SetProfile=$profile\x7"
+
+    # If we're in tmux, a special escape code must be prepended
+    # so that the iTerm2 escape code is passed on into iTerm2.
+    local prefix=''
+    local suffix=''
+    if [[ -n $TMUX ]]; then
+      prefix='\033Ptmux;\033'
+      suffix='\033\\'
+    fi
+
+    # send the sequence
+    echo -n "${prefix}${iterm2_code}${suffix}"
+
+    # update shell variable
+    ITERM_PROFILE="$profile"
+  }
+
+fi