Merge branch 'master' into fabric_task_description

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diff --git a/plugins/iterm2/iterm2.plugin.zsh b/plugins/iterm2/iterm2.plugin.zsh
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+#####################################################
+# 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
+
+  ###
+  # Executes an arbitrary iTerm2 command via an escape code sequce.
+  # See https://iterm2.com/documentation-escape-codes.html for all supported commands.
+  # Example: $ _iterm2_command "1337;StealFocus"
+  function _iterm2_command() {
+    local cmd="$1"
+
+    # Escape codes for wrapping commands for iTerm2.
+    local iterm2_prefix="\x1B]"
+    local iterm2_suffix="\x07"
+
+    # If we're in tmux, a special escape code must be prepended/appended so that
+    # the iTerm2 escape code is passed on into iTerm2.
+    if [[ -n $TMUX ]]; then
+      local tmux_prefix="\x1BPtmux;\x1B"
+      local tmux_suffix="\x1B\\"
+    fi
+
+    echo -n "${tmux_prefix}${iterm2_prefix}${cmd}${iterm2_suffix}${tmux_suffix}"
+  }
+
+  ###
+  # 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="$1"
+
+    # iTerm2 command for changing profile
+    local cmd="1337;SetProfile=$profile"
+
+    # send the sequence
+    _iterm2_command "${cmd}"
+
+    # update shell variable
+    ITERM_PROFILE="$profile"
+  }
+
+  ###
+  # iterm2_tab_color(): Changes the color of iTerm2's currently active tab.
+  # Usage: iterm2_tab_color <red> <green> <blue>
+  #        where red/green/blue are on the range 0-255.
+  function iterm2_tab_color() {
+    _iterm2_command "6;1;bg;red;brightness;$1"
+    _iterm2_command "6;1;bg;green;brightness;$2"
+    _iterm2_command "6;1;bg;blue;brightness;$3"
+  }
+
+
+  ###
+  # iterm2_tab_color_reset(): Resets the color of iTerm2's current tab back to
+  # default.
+  function iterm2_tab_color_reset() {
+    _iterm2_command "6;1;bg;*;default"
+  }
+
+fi