diff --git a/pizauth.bashcomp b/pizauth.bashcomp
new file mode 100644
index 0000000..70a1fc7
--- /dev/null
+++ b/pizauth.bashcomp
@@ -0,0 +1,66 @@
+#!/bin/bash
+_server() {
+    local cur prev
+
+    prev=${COMP_WORDS[COMP_CWORD - 1]}
+    cur=${COMP_WORDS[COMP_CWORD]}
+    case "$prev" in
+        -c) _filedir;;
+        *) mapfile -t COMPREPLY < \
+            <(compgen -W '-c -d -v -vv -vvv -vvvv' -- "$cur");;
+    esac
+}
+_accounts(){
+    local config
+
+    config="$(pizauth info | awk -F' *: *' '$1 ~ /config file/ { print $2 }')"
+    sed -n '/^account/{s/^account \(.*\) {/\1/;p}' "$config"
+}
+_pizauth()
+{
+    local cur prev sub
+    local cmds=(dump info refresh restore reload server show shutdown status)
+
+    cur=${COMP_WORDS[COMP_CWORD]}
+    prev=${COMP_WORDS[COMP_CWORD - 1]}
+    sub=${COMP_WORDS[1]}
+
+    if [ "$sub" == server ] && [ "$COMP_CWORD" -gt 1 ]; then _server; return; fi
+
+    case ${COMP_CWORD} in
+        1)  mapfile -t COMPREPLY < <(compgen -W "${cmds[*]}" -- "$cur");;
+        2)
+            case $sub in
+                dump|restore|reload|shutdown|status) COMPREPLY=();;
+                info) mapfile -t COMPREPLY < <(compgen -W '-j' -- "$cur") ;;
+                refresh|show)
+                    local accounts
+                    mapfile -t accounts < <(_accounts)
+                    accounts+=(-u)
+                    mapfile -t COMPREPLY < \
+                        <(compgen -W "${accounts[*]}" -- "$cur")
+                    ;;
+            esac
+            ;;
+        3)
+            case $sub in
+                refresh|show)
+                    case $prev in
+                        -u)
+                            local accounts
+                            mapfile -t accounts < <(_accounts)
+                            mapfile -t COMPREPLY < \
+                                <(compgen -W "${accounts[*]}" -- "$cur")
+                            ;;
+                        *) COMPREPLY=()
+                    esac
+                    ;;
+            esac
+            ;;
+        *)
+            COMPREPLY=()
+            ;;
+    esac
+}
+
+complete -F _pizauth pizauth