Coping jenv completion from original jenv distribution

plugins/jenv/jenv.plugin.zsh

@@ -0,0 +1,74 @@
+if [[ ! -o interactive ]]; then
+    return
+fi
+
+compctl -K _jenv jenv
+
+_jenv_commands()
+{
+    command=($(echo ${JENV_COMMANDS}))
+
+    for cmd in ${command}; do
+        echo ${cmd}
+    done
+}
+
+_jenv_candidates()
+{
+    for candidate in ${JENV_CANDIDATES}
+    do
+        echo $candidate
+    done
+}
+
+_jenv_repo()
+{
+    echo "add"
+    echo "update"
+}
+
+_jenv_candidate_version()
+{
+    if __jenvtool_utils_array_contains "JENV_CANDIDATES[@]" "$1"; then
+        versions=($(echo $(__jenvtool_candidate_versions "$1")))
+
+        for version in ${versions}; do
+            echo ${version}
+        done
+    fi
+}
+
+_jenv() {
+    local words completions
+    read -cA words
+
+    if [ "${#words}" -eq 2 ]; then
+        completions="$(_jenv_commands)"
+    elif [ "${#words}" -eq 4 ]; then
+        typeset prev
+        prev=${words[3]}
+        completions="$(_jenv_candidate_version ${prev})"
+    else
+        typeset prev
+        prev=${words[2, -2]}
+
+        case "${prev}" in
+        use)        completions="$(_jenv_candidates)";;
+        pause)      completions="$(_jenv_candidates)";;
+        list)       completions="$(_jenv_candidates)";;
+        ls)         completions="$(_jenv_candidates)";;
+        install)    completions="$(_jenv_candidates)";;
+        execute)    completions="$(_jenv_candidates)";;
+        exe)        completions="$(_jenv_candidates)";;
+        show)       completions="$(_jenv_candidates)";;
+        default)    completions="$(_jenv_candidates)";;
+        which)      completions="$(_jenv_candidates)";;
+        cd)         completions="$(_jenv_candidates)";;
+        uninstall)  completions="$(_jenv_candidates)";;
+        reinstall)  completions="$(_jenv_candidates)";;
+        repo)       completions="$(_jenv_repo)";;
+        *)          completions=();;
+        esac
+    fi
+    reply=("${(ps:\n:)completions}")
+}