add bash-it

dot_bash_it/completion/available/capistrano.completion.bash

@@ -0,0 +1,24 @@
+#!/usr/bin/env bash
+# Bash completion support for Capistrano.
+
+export COMP_WORDBREAKS=${COMP_WORDBREAKS/\:/}
+
+_capcomplete() {
+    if [ -f Capfile ]; then
+        recent=`ls -t .cap_tasks~ Capfile **/*.cap 2> /dev/null | head -n 1`
+        if [[ $recent != '.cap_tasks~' ]]; then
+            cap --version | grep 'Capistrano v2.' > /dev/null
+            if [ $? -eq 0 ]; then
+              # Capistrano 2.x
+              cap --tool --verbose --tasks | cut -d " " -f 2 > .cap_tasks~
+            else
+              # Capistrano 3.x
+              cap --all --tasks | cut -d " " -f 2 > .cap_tasks~
+            fi
+        fi
+        COMPREPLY=($(compgen -W "`cat .cap_tasks~`" -- ${COMP_WORDS[COMP_CWORD]}))
+        return 0
+    fi
+}
+
+complete -o default -o nospace -F _capcomplete cap