add bower autocompletion

plugins/bower/_bower

@@ -0,0 +1,58 @@
+
+
+# Credits to npm's. Awesome completion utility.
+#
+# Bower completion script, based on npm completion script.
+
+###-begin-bower-completion-###
+#
+# Installation: bower completion >> ~/.bashrc  (or ~/.zshrc)
+# Or, maybe: bower completion > /usr/local/etc/bash_completion.d/npm
+#
+
+COMP_WORDBREAKS=${COMP_WORDBREAKS/=/}
+COMP_WORDBREAKS=${COMP_WORDBREAKS/@/}
+export COMP_WORDBREAKS
+
+if type complete &>/dev/null; then
+  _bower_completion () {
+    local si="$IFS"
+    IFS=$'\n' COMPREPLY=($(COMP_CWORD="$COMP_CWORD" \
+                           COMP_LINE="$COMP_LINE" \
+                           COMP_POINT="$COMP_POINT" \
+                           bower completion -- "${COMP_WORDS[@]}" \
+                           2>/dev/null)) || return $?
+    IFS="$si"
+  }
+  complete -F _bower_completion bower
+elif type compdef &>/dev/null; then
+  _bower_completion() {
+    si=$IFS
+    compadd -- $(COMP_CWORD=$((CURRENT-1)) \
+                 COMP_LINE=$BUFFER \
+                 COMP_POINT=0 \
+                 bower completion -- "${words[@]}" \
+                 2>/dev/null)
+    IFS=$si
+  }
+  compdef _bower_completion bower
+elif type compctl &>/dev/null; then
+  _bower_completion () {
+    local cword line point words si
+    read -Ac words
+    read -cn cword
+    let cword-=1
+    read -l line
+    read -ln point
+    si="$IFS"
+    IFS=$'\n' reply=($(COMP_CWORD="$cword" \
+                       COMP_LINE="$line" \
+                       COMP_POINT="$point" \
+                       bower completion -- "${words[@]}" \
+                       2>/dev/null)) || return $?
+    IFS="$si"
+  }
+  compctl -K _bower_completion bower
+fi
+###-end-bower-completion-###
+