diff --git a/.README.md b/.README.md
index ff9784c..0d61dde 100644
--- a/.README.md
+++ b/.README.md
@@ -478,8 +478,7 @@ Command|Description
 `gp`|Git patch (apply).
 `ga`|Git add with preview.
 `gr [COUNT]`|Git rebase. 2 last commits by default. 0 means from root.
-`gu [NAME] [EMAIL]`|Configure git user (project).
-`guv`, `guf`|My own user combos for personal and work.
+`gu [EMAIL]`|Configure git user as Dmitry Voronin with specified email (project).
 
 ## Ls.
 
diff --git a/document/linux/config/bash/module/git.sh b/document/linux/config/bash/module/git.sh
index a0715e6..c20343c 100644
--- a/document/linux/config/bash/module/git.sh
+++ b/document/linux/config/bash/module/git.sh
@@ -46,15 +46,15 @@ gr()
   fi
 }
 
-# specify git user.
-# usage: gu [NAME] [EMAIL]
+# specify git user as Dmitry Voronin with provided email.
+# usage: gu [EMAIL]
 gu()
 {
-  local name="${1}"
-  local email="${2}"
+  local name="Dmitry Voronin"
+  local email="${1}"
 
   if [[ "${name}" = "" || "${email}" = "" ]]; then
-    echo "usage: gu [NAME] [EMAIL]"
+    echo "usage: gu [EMAIL]"
     return 1
   fi
 
@@ -62,10 +62,26 @@ gu()
   git config user.email "${email}"
 }
 
-# some extra aliases for gu.
-alias guv="gu 'Dmitry Voronin' 'account@voronind.com'"
-alias guf="gu 'Dmitry Voronin' 'dd.voronin@fsight.ru'"
-
 # autocomplete.
-# _completion_loader git
-# __git_complete gps _git_push
+_completion_loader git
+__git_complete gps _git_push
+__git_complete gpsf _git_push
+__git_complete gpl _git_pull
+__git_complete gl _git_log
+__git_complete gs _git_status
+__git_complete gst _git_stash
+__git_complete gd _git_diff
+__git_complete gc _git_commit
+__git_complete gch _git_checkout
+__git_complete gb _git_branch
+__git_complete gf _git_fetch
+__git_complete gt _git_tag
+__git_complete gp _git_apply
+__git_complete ga _git_add
+
+_gu()
+{
+  _autocomplete account@voronind.com dd.voronin@fsight.ru
+}
+
+complete -F _gu gu