allow case sensitivity to be toggled

lib/completion.zsh

@@ -14,7 +14,12 @@ compinit
 zmodload -i zsh/complist
 
 ## case-insensitive (all),partial-word and then substring completion
-zstyle ':completion:*' matcher-list 'm:{a-zA-Z}={A-Za-z}' 'r:|[._-]=* r:|=*' 'l:|=* r:|=*'
+if [ "$CASE_SENSITIVE" ]; then
+  zstyle ':completion:*' matcher-list 'r:|[._-]=* r:|=*' 'l:|=* r:|=*'
+  unset CASE_SENSITIVE
+else
+  zstyle ':completion:*' matcher-list 'm:{a-zA-Z}={A-Za-z}' 'r:|[._-]=* r:|=*' 'l:|=* r:|=*'
+fi
 
 zstyle ':completion:*' list-colors ''
 zstyle ':completion:*' hosts $( sed 's/[, ].*$//' $HOME/.ssh/known_hosts )

templates/zshrc.zsh-template

@@ -5,6 +5,9 @@ export ZSH=$HOME/.oh-my-zsh
 # Look in ~/.oh-my-zsh/themes/
 export ZSH_THEME="robbyrussell"
 
+# Set to this to use case-sensitive completion
+# export CASE_SENSITIVE="true"
+
 # Comment this out to disable weekly auto-update checks
 # export DISABLE_AUTO_UPDATE="false"