diff --git a/bashrc b/bashrc
index 27a08f3..6ab0fc6 100755
--- a/bashrc
+++ b/bashrc
@@ -202,6 +202,11 @@ then
 	|| complete -o default -o nospace -F _git g
 fi
 
+scr(){
+    _time="%Y-%m-%dT%H:%M:%S%z"
+    script `date +${_time}`.script "$@"
+}
+
 netwait(){
     while ! ping example.com -c 1
     do
@@ -555,7 +560,8 @@ __my_ps1_scale(){
 }
 __my_ps1_tmux(){
     local last=$?
-    local tmuxc="$(__try_exec tmux display -p '#S:#I:#W.#P' 2>/dev/null)"
+    null type tmux || return $last
+    local tmuxc="$(tmux display -p '#S:#I:#W.#P' 2>/dev/null)"
     test -n "$TMUX" && echo "[TMUX:$tmuxc]"
     return $last
 }
@@ -565,12 +571,13 @@ __my_ps1_moc(){
     return $last
 }
 test -r /usr/share/git/git-prompt.sh && . /usr/share/git/git-prompt.sh
+GIT_PS1_SHOWDIRTYSTATE=t
+GIT_PS1_SHOWUPSTREAM=t
 __my_ps1_git(){
     local last=$?
     null type __git_ps1 || return $last
-    null git status || return $last
-    test -n "`git status -s -uno`" && local star=\*
-    __git_ps1 "[GIT:$(__try_exec git config --get user.name):%s${star}]"
+    null __gitdir || return $last
+    __git_ps1 "[GIT:$(__try_exec git config --get user.name):%s]"
     return $last
 }
 __my_ps1_ipaddr(){
@@ -608,9 +615,8 @@ then
     __my_cdef="\[\e[0m\]"
 fi
 _PS1="\
-${__my_c4}:: ${__my_cdef}[${__my_c1}\w/${__my_cdef}<${__my_c3}\${OLDPWD}${__my_cdef}]\$(__my_ps1_scale)\$(__my_ps1_tmux)\$(__my_ps1_git)\$(__my_ps1_bttry)\$(__my_ps1_ipaddr)\$(__my_ps1_moc)\n\
-${__my_c4}:: ${__my_c2}\u@\H${__my_cdef} \D{%a, %d %b %Y %T %z} ${SHELL} \V\n\
-${__my_c4}:: ${__my_cdef}shlv:${SHLVL} cnum:\# jobs:\j last:\$? \$ "
+${__my_c4}:: ${__my_cdef}[${__my_c2}\u@\H${__my_cdef}:${__my_c1}\w/${__my_cdef}]\$(__my_ps1_scale)\$(__my_ps1_tmux)\$(__my_ps1_git)\$(__my_ps1_bttry)\$(__my_ps1_ipaddr)\$(__my_ps1_moc)\n\
+${__my_c4}:: ${__my_cdef}l${SHLVL}n\#j\js\$? \D{%T} \$ "
 PS1=$_PS1
 
 __my_set_title(){
diff --git a/setup.sh b/setup.sh
index 513bda4..384ad1a 100755
--- a/setup.sh
+++ b/setup.sh
@@ -3,6 +3,14 @@
 mkdir -p ~/.my/log
 mkdir -p ~/.local/bin
 
+_iswindows(){
+    case `uname` in
+        (CYGWIN*) return 0;;
+        (MINGW*) return 0;;
+    esac
+    return 1
+}
+
 gen_source_script(){
     # _gen_source_script file lines
     test $# -eq 2 || return 1
@@ -48,9 +56,10 @@ git_config(){
     git config --global status.relativePaths false
     git config --global status.showUntrackedFiles normal
     git config --global log.date iso
-    git config --global alias.graph "log --graph --date-order -C -M --pretty=tformat:\"<%h> %ad [%an] %Cgreen%d%Creset %s\" --all --date=iso"
+    git config --global alias.graph "log --graph --date-order -C -M --pretty=tformat:\"<%h> %ad [%an] %Cgreen%d%Creset %s\" --all --date=iso -n 500"
     git config --global alias.st "status -s -b"
     git config --global alias.b "branch"
+    git config --global alias.sb "show-branch"
     git config --global alias.ci "commit --verbose"
     git config --global alias.co "checkout"
     git config --global alias.cim "commit --verbose -m"
@@ -62,7 +71,7 @@ git_config(){
     # git config --global alias.ll "!git ls-files | xargs ls -l -CFG --color=auto --time-style=long-iso"
     git config --global alias.addi "add -i"
     git config --global alias.clean-p "!test -z \"\$(git status -s -uno)\""
-    if false iswindows; then
+    if _iswindows; then
         git config --global core.fileMode false
     fi
 }
@@ -89,7 +98,8 @@ mac_start_daemon(){
     sudo launchctl load -w /System/Library/LaunchDaemons/com.apple.locate.plist
 }
 
-get_install_script http://www.frexx.de/xterm-256-notes/data/colortable16.sh http://www.frexx.de/xterm-256-notes/data/256colors2.pl
+get_install_script http://www.frexx.de/xterm-256-notes/data/colortable16.sh \
+    http://www.frexx.de/xterm-256-notes/data/256colors2.pl
 
 git_config