diff --git a/.config/zsh/_.zsh b/.config/zsh/_.zsh
index 8931740..574c653 100644
--- a/.config/zsh/_.zsh
+++ b/.config/zsh/_.zsh
@@ -20,7 +20,7 @@ for i ( d_zdot d_cache d_conf d_bin d_var ) ; do
 done ; unset i d
 
 ## early escape
-unsetopt GLOBAL_RCS
+unsetopt global_rcs
 
 ## safety measure:
 ## redirect all following activity within ZDOTDIR to cache
@@ -56,4 +56,4 @@ ZSHU[t_end]=${(%):-%D{%s.%6.}}
 ZSHU[t_load]=$(( ZSHU[t_end] - ZSHU[t_begin] ))
 ZSHU[t_load]=${ZSHU[t_load]:0:6}
 
-unset "ZSHU[t_begin]" "ZSHU[t_end]"
+unset 'ZSHU[t_begin]' 'ZSHU[t_end]'
diff --git a/.config/zsh/lib/cmdtime.zsh b/.config/zsh/lib/cmdtime.zsh
index 0b9f335..db52fcc 100644
--- a/.config/zsh/lib/cmdtime.zsh
+++ b/.config/zsh/lib/cmdtime.zsh
@@ -1,54 +1,53 @@
 #!/bin/zsh
 
 z-time() {
-    local a b elapsed result
+    local a r
 
     a=${EPOCHREALTIME}
-    "$@"
-    result=$?
-    b=$(( EPOCHREALTIME - a ))
-    elapsed=$(z-ts-to-human "$b" 6)
-    echo 1>&2
-    echo "time took: ${elapsed}" 1>&2
+    "$@" ; r=$?
+    a=$(( EPOCHREALTIME - a ))
+    a=$(z-ts-to-human "$a" 6)
+    echo >&2
+    echo "time took: $a" >&2
 
-    return ${result}
+    return $r
 }
 
 if autoload -Uz add-zsh-hook ; then
 
 typeset -gA ZSHU_PS
-ZSHU_PS[cmd_threshold]=3
+ZSHU_PS[cmd_threshold]=1
 
-__z_cmdtime_precmd() {
-    local t x elapsed
+__z_cmdtime_measure() {
+    local t x
 
-    t=${EPOCHREALTIME}
-#   t=${(%):-%D{%s.%9.}}
+    x=${EPOCHREALTIME}
 
-    ZSHU_PS[elapsed]=''
-    (( ${+ZSHU_PS[cmd_ts]} )) || return
+    unset 'ZSHU[cmd_dt]' 'ZSHU_PS[elapsed]'
+    (( ${+ZSHU[cmd_ts]} )) || return
 
-    t=$(( t - ${ZSHU_PS[cmd_ts]} ))
-    unset "ZSHU_PS[cmd_ts]"
+    t=$(( x - ${ZSHU[cmd_ts]} ))
+    ZSHU[cmd_ts]=$x
 
-    x=$(( ${ZSHU_PS[cmd_threshold]} + 0 ))
-    [ "$x" = '0' ] && return
+    x=${ZSHU_PS[cmd_threshold]}
+    x=$(( x + 0 )) || x=0
+    [ "$x" = 0 ] && return
 
     x=$(( t - x ))
     [ "${x:0:1}" = '-' ] && return
 
-    elapsed=$(z-ts-to-human "$t")
-    ZSHU_PS[elapsed]=" %f[%B%F{yellow}+${elapsed}%b%f] "
+    t=$(z-ts-to-human "$t")
+    ZSHU[cmd_dt]=$t
+    ZSHU_PS[elapsed]=" %f[%B%F{yellow}+$t%b%f]"
 }
 
-__z_cmdtime_preexec() {
-    ZSHU_PS[cmd_ts]=${EPOCHREALTIME}
-#   ZSHU_PS[cmd_ts]=${(%):-%D{%s.%9.}}
+__z_cmdtime_set() {
+    ZSHU[cmd_ts]=${EPOCHREALTIME}
 }
 
-add-zsh-hook precmd  __z_cmdtime_precmd
-add-zsh-hook preexec __z_cmdtime_preexec
+add-zsh-hook precmd  __z_cmdtime_measure
+add-zsh-hook preexec __z_cmdtime_set
 
 else
-    echo "cmd time measurement is disabled due to missing hook support" 1>&2
+    echo "cmd time measurement is disabled due to missing hook support" >&2
 fi
diff --git a/.config/zsh/lib/completion.zsh b/.config/zsh/lib/completion.zsh
index 22870b3..1e35bf8 100644
--- a/.config/zsh/lib/completion.zsh
+++ b/.config/zsh/lib/completion.zsh
@@ -17,7 +17,7 @@ __z_compdump_invalidate() {
 __z_compdump_verify() {
     local i s
 
-    unset "ZSHU[compdump_refresh]"
+    unset 'ZSHU[compdump_refresh]'
     ZSHU[compdump_meta]='ZSH_VERSION ZSH_PATCHLEVEL FPATH PATH'
     for i ( ${(s: :)ZSHU[compdump_meta]} ) ; do
         s=$(__z_compdump_print "$i")
@@ -37,9 +37,9 @@ __z_compdump_finalize() {
                 __z_compdump_print "$i"
             done
         } | tee -a "${ZSHU[f_compdump]}" &>/dev/null
-        unset "ZSHU[compdump_refresh]"
+        unset 'ZSHU[compdump_refresh]'
     fi
-    unset "ZSHU[compdump_meta]"
+    unset 'ZSHU[compdump_meta]'
 }
 
 __z_comp_bash() {
diff --git a/.config/zsh/lib/git.zsh b/.config/zsh/lib/git.zsh
index eed6c81..cc34a40 100644
--- a/.config/zsh/lib/git.zsh
+++ b/.config/zsh/lib/git.zsh
@@ -1,8 +1,12 @@
 #!/bin/zsh
 
 ## fancy and manageable PS1 for git
-typeset -gA ZSHU_PS
+typeset -gA ZSHU_GIT ZSHU_PM ZSHU_PS
 ZSHU_PS[git]=0
+ZSHU_PM[git_branch]='🞷'
+ZSHU_PM[git_detach]='☈'
+ZSHU_PM[git_tag]='🗹'
+ZSHU_PM[git_commit]='⌽'
 
 __z_git_avail() { (( $+commands[git] )) ; }
 
@@ -10,6 +14,8 @@ __z_git() { GIT_OPTIONAL_LOCKS=0 command git "$@"; }
 
 __z_git_is_repo() { __z_git rev-parse --git-dir &>/dev/null ; }
 
+__z_git_desc_tag() { __z_git describe --tags "$@" ; }
+
 z-git-test() {
     [ "${ZSHU_PS[git]}" = '1' ] || return 1
 
@@ -21,24 +27,93 @@ z-git-test() {
 }
 
 __z_git_pwd() {
-    local p s last pfx
+    local x
+
+    unset 'ZSHU_PS[git_ref]' 'ZSHU_PS[git_tag]'
+    unset 'ZSHU_GIT[path_root]' 'ZSHU_GIT[path_mid]' 'ZSHU_GIT[path_last]'
+    unset 'ZSHU_GIT[commit]' 'ZSHU_GIT[detached]' 'ZSHU_GIT[ref]' 'ZSHU_GIT[tag]'
 
     z-git-test || return
 
-    p=${(%):-%~}
-    [[ "$p" =~ '/.+' ]] || return
-    s=$(__z_git rev-parse --show-prefix)
-    s="${s%%/}"
-    if [ -n "$s" ] ; then
-        p=${p%%/$s}
-        last="${s:t}"
-        pfx="${s%${last}}"
+    x=$(__z_git rev-parse --short HEAD 2>/dev/null)
+    [ -n "$x" ] || return
+    ZSHU_GIT[commit]=$x
+
+    ## git ref
+    while : ; do
+        ZSHU_GIT[detached]=1
+        x=$(__z_git symbolic-ref --short HEAD 2>/dev/null)
+        if [ -n "$x" ] ; then
+            ZSHU_GIT[detached]=0
+            ZSHU_GIT[ref]=$x
+            ZSHU_PS[git_ref]="%F{green}%B${ZSHU_PM[git_branch]}%b ${ZSHU_GIT[ref]}%f"
+            break
+        fi
+
+        x=$(__z_git for-each-ref --format='%(refname)' --count=1 --points-at=${ZSHU_GIT[commit]} refs/heads/ refs/remotes/)
+        if [ -n "$x" ] ; then
+            ZSHU_GIT[detached]=0
+            ZSHU_GIT[ref]=${x#refs/*/}
+            ZSHU_PS[git_ref]="%F{yellow}%B${ZSHU_PM[git_branch]}%b ${ZSHU_GIT[ref]}%f"
+            break
+        fi
+
+        ZSHU_GIT[ref]=${ZSHU_GIT[commit]}
+        ZSHU_PS[git_ref]="%F{red}%B${ZSHU_PM[git_detach]}%b ${ZSHU_GIT[ref]}%f"
+
+        break
+    done
+
+    ## git tag
+    while [ ${ZSHU_GIT[detached]} = 1 ] ; do
+        x=$(__z_git_desc_tag --exact-match HEAD 2>/dev/null)
+        if [ -n "$x" ] ; then
+            ZSHU_GIT[tag]=$x
+            ZSHU_PS[git_tag]="%F{green}%B${ZSHU_PM[git_tag]}%b ${ZSHU_GIT[tag]}%f"
+            break
+        fi
+
+        x=$(__z_git_desc_tag HEAD 2>/dev/null)
+        if [ -n "$x" ] ; then
+            ZSHU_GIT[tag]=${x%-*}
+            ZSHU_PS[git_tag]="%F{yellow}%B${ZSHU_PM[git_commit]}%b ${ZSHU_GIT[tag]}%f"
+            break
+        fi
+
+        break
+    done
+
+    ## try to fancy split current path
+    while : ; do
+        x=${(%):-%~}
+        [[ "$x" =~ '/.+' ]] || break
+
+        local pfx last mid
+        pfx=$(__z_git rev-parse --show-prefix)
         pfx="${pfx%/}"
-        pfx="/${pfx}${pfx:+/}"
-    else
-        last="/"
-    fi
-    ZSHU_PS[pwd]="%F{magenta}$p%F{cyan}${pfx}%B${last}%f%b"
+        if [ -n "${pfx}" ] ; then
+            x=${x%/${pfx}}
+            last="${pfx:t}"
+            mid="${pfx%${last}}"
+            mid="${mid%/}"
+            mid="/${mid}${mid:+/}"
+
+            ZSHU_GIT[path_mid]=${mid}
+            ZSHU_GIT[path_last]=${last}
+        else
+            ZSHU_GIT[path_last]='/'
+        fi
+        break
+    done
+    ZSHU_GIT[path_root]=$x
+
+    x="%F{magenta}${ZSHU_GIT[path_root]:gs/%/%%}"
+    x="$x%F{cyan}${ZSHU_GIT[path_mid]:gs/%/%%}"
+    x="$x%B${ZSHU_GIT[path_last]:gs/%/%%}%f%b"
+    ZSHU_PS[pwd]=$x
+
+    x="${ZSHU_PS[git_tag]}"
+    ZSHU_PS[pwd_extra]=" ${ZSHU_PS[git_ref]}${x:+ }$x"
 }
 
 z-git-enable()  { ZSHU_PS[git]=1 ; }
diff --git a/.config/zsh/lib/prompt.zsh b/.config/zsh/lib/prompt.zsh
index 6273230..84a646d 100644
--- a/.config/zsh/lib/prompt.zsh
+++ b/.config/zsh/lib/prompt.zsh
@@ -5,6 +5,8 @@ typeset -gA ZSHU_PM ZSHU_PS
 ZSHU_PM[rst]='%b%k%u%s%f'
 ZSHU_PM[crlf]=$'\n'
 
+ZSHU_PS[shlvl]='%(2L.%B%F{white}|%F{cyan}%L%b%f.)'
+
 ZSHU_PM[status]='▪'
 ZSHU_PS[lastcmd]="%B%(?.%F{green}.%F{red})${ZSHU_PM[status]}%f%b"
 
@@ -34,8 +36,9 @@ __z_pwd() {
 __z_pwd_hook() {
     local i
 
-    unset "ZSHU_PS[pwd]"
+    unset 'ZSHU_PS[pwd]'
     for i ( ${(s: :)ZSHU[pwd_hook]} __z_pwd ) ; do
+        unset 'ZSHU_PS[pwd_extra]'
         "$i"
         (( ${+ZSHU_PS[pwd]} )) && return
     done
@@ -44,5 +47,5 @@ __z_pwd_hook() {
 add-zsh-hook precmd __z_pwd_hook
 
 else
-    echo "shiny pwd's are disabled due to missing hook support" 1>&2
+    echo "shiny pwd's are disabled due to missing hook support" >&2
 fi
diff --git a/.config/zsh/lib/pswalk.zsh b/.config/zsh/lib/pswalk.zsh
index 65a3774..0aa8a00 100644
--- a/.config/zsh/lib/pswalk.zsh
+++ b/.config/zsh/lib/pswalk.zsh
@@ -4,10 +4,10 @@ typeset -Uga ZSHU_PARENTS_PID
 typeset -ga ZSHU_PARENTS_NAME
 
 function {
-    local i cmd
+    local i c
 
     i=$$ ; while : ; do
-        i=$(ps -o ppid= -p $i 2>/dev/null || : )
+        i=$(ps -o ppid= -p $i 2>/dev/null) || :
         i=${i//[^0-9]}
         [[ "$i" =~ '^[1-9][0-9]*$' ]] || break
         ## don't deal with PID1
@@ -16,8 +16,9 @@ function {
     done
 
     for i ( ${ZSHU_PARENTS_PID} ) ; do
-        cmd=$(ps -o comm= -p $i 2>/dev/null || : )
-        [ -n "${cmd}" ] && ZSHU_PARENTS_NAME+=( "${cmd##*/}" )
+        c=$(ps -o comm= -p $i 2>/dev/null) || :
+        [ -n "$c" ] || continue
+        ZSHU_PARENTS_NAME+=( "${c##*/}" )
     done
 
     typeset -r ZSHU_PARENTS_PID
@@ -27,20 +28,19 @@ function {
 typeset -gA ZSHU_RUN
 
 z-run-test() {
-    local key v i
+    local k i
 
-    key=$1 ; shift
-    v=0
+    k=$1 ; shift
     for i ( ${ZSHU_PARENTS_NAME} ) ; do
-        if (( ${+argv[(r)$i]} )) ; then
-            ZSHU_RUN[${key}]=1
-            return
-        fi
+        (( ${+argv[(r)$i]} )) || continue
+
+        ZSHU_RUN[$k]=1
+        return
     done
-    ZSHU_RUN[${key}]=0
+    ZSHU_RUN[$k]=0
 }
 
 z-run-test gui       konsole xterm x-terminal-emulator
 z-run-test nested    screen tmux mc
-z-run-test nested1   mc
+z-run-test nested1L  mc
 z-run-test elevated  sudo su
diff --git a/.config/zsh/lib/time.zsh b/.config/zsh/lib/time.zsh
index b0636cb..9e1627e 100644
--- a/.config/zsh/lib/time.zsh
+++ b/.config/zsh/lib/time.zsh
@@ -1,11 +1,12 @@
 #!/bin/zsh
 
 z-ts-to-human() {
-    local t s ns d h m f x
+    local t s n d h m f x
 
     t=$1
+    t=$(( float(t) ))
     s=$(( int(t) ))
-    ns=$(( int((t - s) * (10**9)) ))
+    n=$(( int((t - s) * (10**9)) ))
     t=$s
 
     d=0 h=0 m=0
@@ -22,15 +23,13 @@ z-ts-to-human() {
         t=$(( t % 60 ))
     fi
 
-    f='%s.%6.'
-    f=$(strftime "$f" $t $ns)
-
-    x=3
+    ## strftime does desired rounding for $n/(10**9) internally
+    f=$(strftime '%s.%6.' $t $n)
     ## keep math in sync with format above
+    x=3
     case "$2" in
     0)     x=7 ;;
-    [1-5]) x=$(( 6 - $2 )) ;;
-    6)     x=0 ;;
+    [1-6]) x=$(( 6 - $2 )) ;;
     esac
     [ $x -gt 0 ] && f="${f:0:-$x}s"
 
diff --git a/.config/zsh/lib/title.zsh b/.config/zsh/lib/title.zsh
index ab286ef..aac17ab 100644
--- a/.config/zsh/lib/title.zsh
+++ b/.config/zsh/lib/title.zsh
@@ -1,6 +1,5 @@
 #!/bin/zsh
 
-typeset -gA ZSHU
 ZSHU[title_tab]='%15<..<%~%<<'
 ZSHU[title_window]='%n@%m:%~'
 
diff --git a/.config/zsh/rc/prompt.zsh b/.config/zsh/rc/prompt.zsh
index ad8313b..4baf12f 100644
--- a/.config/zsh/rc/prompt.zsh
+++ b/.config/zsh/rc/prompt.zsh
@@ -1,6 +1,6 @@
 #!/bin/zsh
 
-# z-starship-init
+typeset -gA ZSHU_PS1
 
 ## three-line prompt
 function {
@@ -13,7 +13,6 @@ function {
     line+='${ZSHU_PM[id]:+"%B%F{white}${ZSHU_PM[id]}${ZSHU_PM[rst]}%B%F{black}|%b%f"}'
     line+="${ZSHU_PM[user]}%F{white}@${ZSHU_PM[host]}"
     line+='${ZSHU_PS[elapsed]}'
-    line+='${ZSHU_PS[status_extra]}'
     line+="${ZSHU_PM[rst]}"
 
     line+="${ZSHU_PM[crlf]}"
@@ -27,10 +26,11 @@ function {
 
     line+="%B%F{black}└[%f%b"
     line+="${ZSHU_PS[lastcmd]}"
+    line+='${ZSHU_PS[shlvl]}'
     line+="%B%F{black}|%b%f"
     line+="${ZSHU_PS[cmd]}"
 
-    ZSHU_PS[ps1_3L]="${(j::)line}"
+    ZSHU_PS1[3L]="${(j::)line}"
 }
 
 ## two-line prompt
@@ -51,11 +51,11 @@ function {
 
     line+="%B%F{black}└[%f%b"
     line+="${ZSHU_PS[lastcmd]}"
+    line+='${ZSHU_PS[shlvl]}'
     line+="%B%F{black}|%b%f"
-    line+='${ZSHU_PS[status_extra]}'
     line+="${ZSHU_PS[cmd]}"
 
-    ZSHU_PS[ps1_2L]="${(j::)line}"
+    ZSHU_PS1[2L]="${(j::)line}"
 }
 
 ## one-line prompt
@@ -64,6 +64,7 @@ function {
 
     line+="${ZSHU_PM[rst]}"
     line+="${ZSHU_PS[lastcmd]}"
+    line+='${ZSHU_PS[shlvl]}'
     line+="%B%F{black}|%b"
     line+="${ZSHU_PM[user]}"
     line+="%B%F{black}|%b"
@@ -74,9 +75,26 @@ function {
     line+="%B%F{black}|%b"
     line+="${ZSHU_PS[cmd]}"
 
-    ZSHU_PS[ps1_1L]="${(j::)line}"
+    ZSHU_PS1[1L]="${(j::)line}"
 }
 
-PS1=${ZSHU_PS[ps1_3L]}
-[ "${ZSHU_RUN[nested]}"  = 1 ] && PS1=${ZSHU_PS[ps1_2L]}
-[ "${ZSHU_RUN[nested1]}" = 1 ] && PS1=${ZSHU_PS[ps1_1L]}
+z-ps() {
+    [ -n "$1" ] || {
+        echo "${ZSHU_PS[ps1]}"
+        return
+    }
+
+    local k
+    for k ( "$1" "${1}L" ) ; do
+        (( ${+ZSHU_PS1[$k]} )) || continue
+
+        ZSHU_PS[ps1]=$k
+        PS1=${ZSHU_PS1[$k]}
+        return
+    done
+    return 1
+}
+
+z-ps 3
+[ "${ZSHU_RUN[nested]}"   = 1 ] && z-ps 2
+[ "${ZSHU_RUN[nested1L]}" = 1 ] && z-ps 1