1 files changed, 51 insertions, 0 deletions
diff --git a/completions/usermod b/completions/usermod
new file mode 100644
index 0000000..77ab33c
--- /dev/null
+++ b/completions/usermod
@@ -0,0 +1,51 @@
+# usermod(8) completion                                    -*- shell-script -*-
+
+_usermod()
+{
+    local cur prev words cword split
+    _init_completion -s || return
+
+    # TODO: if -o/--non-unique is given, could complete on existing uids
+    #       with -u/--uid
+
+    case $prev in
+        --comment | --home | --expiredate | --inactive | --help | --login | --password | \
+            --uid | --selinux-user | -!(-*)[cdefhlpuZ])
+            return
+            ;;
+        --gid | -!(-*)g)
+            _gids
+            COMPREPLY=($(compgen -W '${COMPREPLY[@]} $(compgen -g)' \
+                -- "$cur"))
+            return
+            ;;
+        --groups | -!(-*)G)
+            local prefix=
+            [[ $cur == *,* ]] && prefix="${cur%,*},"
+            COMPREPLY=($(compgen -g -- "${cur##*,}"))
+            ((${#COMPREPLY[@]} == 1)) && COMPREPLY=(${COMPREPLY/#/$prefix})
+            return
+            ;;
+        --root | -!(-*)R)
+            _filedir -d
+            return
+            ;;
+        --shell | -!(-*)s)
+            _shells
+            return
+            ;;
+    esac
+
+    $split && return
+
+    if [[ $cur == -* ]]; then
+        # TODO: -U/--unlock, -p/--password, -L/--lock mutually exclusive
+        COMPREPLY=($(compgen -W '$(_parse_help "$1")' -- "$cur"))
+        return
+    fi
+
+    COMPREPLY=($(compgen -u -- "$cur"))
+} &&
+    complete -F _usermod usermod
+
+# ex: filetype=sh