added projects plugin and completion

completion/available/projects.completion.bash

@@ -0,0 +1,44 @@
+_pj() {
+    [ -z "$PROJECT_PATHS" ] && return
+
+    shift
+
+    [ "$1" == "open" ] && shift
+
+    local cur prev words cword
+    _init_completion || return
+
+    local IFS=$'\n' i j k
+
+    compopt -o filenames
+
+    local -r mark_dirs=$(_rl_enabled mark-directories && echo y)
+    local -r mark_symdirs=$(_rl_enabled mark-symlinked-directories && echo y)
+
+    for i in ${PROJECT_PATHS//:/$'\n'}; do
+        # create an array of matched subdirs
+        k="${#COMPREPLY[@]}"
+        for j in $( compgen -d $i/$cur ); do
+            if [[ ( $mark_symdirs && -h $j || $mark_dirs && ! -h $j ) && ! -d ${j#$i/} ]]; then
+                j+="/"
+            fi
+            COMPREPLY[k++]=${j#$i/}
+        done
+    done
+
+    _filedir -d
+
+    if [[ ${#COMPREPLY[@]} -eq 1 ]]; then
+        i=${COMPREPLY[0]}
+        if [[ "$i" == "$cur" && $i != "*/" ]]; then
+            COMPREPLY[0]="${i}/"
+        fi
+    fi
+
+    return 0
+}
+if shopt -q cdable_vars; then
+    complete -v -F _pj -o nospace pj
+else
+    complete -F _pj -o nospace pj
+fi