Using default way of setting icons and updating doc

README.md

@@ -140,19 +140,22 @@ The segments that are currently available are:
 
 ##### anaconda
 
-This segment shows your active anaconda environment. It relies on the
-`CONDA_ENV_PATH` environment variable to be set which happens when you properly
-`source activate` an environment.
+This segment shows your active anaconda environment. It relies on either the
+`CONDA_ENV_PATH` or the `CONDA_PREFIX` (depending on the `conda` version)
+environment variable to be set which happens when you properly `source
+activate` an environment.
 
+Special configuration variables:
 
 | Variable | Default Value | Description |
 |----------|---------------|-------------|
-|`POWERLEVEL9K_ANACONDA_BACKGROUND`|"green"|Background color of the segment.|
-|`POWERLEVEL9K_ANACONDA_FOREGROUND`|"black"|Foreground color of the segment.|
-|`POWERLEVEL9K_ANACONDA_PREFIX`|""|Prefix before the environment name.|
 |`POWERLEVEL9K_ANACONDA_LEFT_DELIMITER`|"("|The left delimiter just before the environment name.|
 |`POWERLEVEL9K_ANACONDA_RIGHT_DELIMITER`|")"|The right delimiter just after the environment name.|
 
+Additionally the following segment specific parameters can be used to customize
+it: `POWERLEVEL9K_PYTHON_ICON`, `POWERLEVEL9K_ANACONDA_BACKGROUND`, and
+`POWERLEVEL9K_ANACONDA_FOREGROUND`.
+
 ##### aws
 
 If you would like to display the [current AWS

powerlevel9k.zsh-theme

@@ -296,10 +296,9 @@ prompt_anaconda() {
   _path=$CONDA_ENV_PATH$CONDA_PREFIX
   if ! [ -z "$_path" ]; then
     # config - can be overwritten in users' zshrc file.
-    set_default POWERLEVEL9K_ANACONDA_PREFIX ""
     set_default POWERLEVEL9K_ANACONDA_LEFT_DELIMITER "("
     set_default POWERLEVEL9K_ANACONDA_RIGHT_DELIMITER ")"
-    "$1_prompt_segment" "$0" "$2" "$3" "$4" "$POWERLEVEL9K_ANACONDA_PREFIX$POWERLEVEL9K_ANACONDA_LEFT_DELIMITER$(basename $_path)$POWERLEVEL9K_ANACONDA_RIGHT_DELIMITER" ""
+    "$1_prompt_segment" "$0" "$2" "$3" "$4" "$POWERLEVEL9K_ANACONDA_LEFT_DELIMITER$(basename $_path)$POWERLEVEL9K_ANACONDA_RIGHT_DELIMITER" 'PYTHON_ICON'
   fi
 }