.zsh/05_Functions.zsh

   1 # -*- mode: sh;-*-
   2
   3 ##      User-defined functions
   4 #
   5 cmd_exists ()
   6 {
   7         \which -p $1 >/dev/null 2>&1
   8 }
   9
  10 preprint()
  11 {
  12         local my_color i
  13         my_color=${2-"$prompt_colors[generic]"}
  14
  15         hbar=$T_
  16         for i in {1..$((74 - ${#1} - 5))}; do
  17                 hbar=${hbar}$_t_q
  18         done
  19         hbar=${hbar}$_T
  20
  21         if [ "$1" != "" ]; then
  22                 print -Pn "${C_}$my_color;1${_C}${hbar}$T_$_t_u$_T${C_}0;$my_color${_C} $1 ${C_}0;$my_color;1${_C}$T_$_t_t$_t_q$_T\r${C_}0${_C}"
  23         else
  24                 print -Pn "${C_}$my_color;1${_C}${hbar}$T_$_t_q$_t_q$_t_q$_t_q$_t_q$_T${C_}0${_C}"
  25         fi
  26 }
  27
  28 normal_user ()
  29 {
  30         if [ -e /etc/login.defs ]; then
  31                 eval `grep -v '^[$#]' /etc/login.defs | grep "^UID_" | tr -d '[:blank:]' | sed 's/^[A-Z_]\+/&=/'`
  32                 [ \( $UID -ge $UID_MIN \) ]
  33         else
  34                 [ "`whoami`" != "root" ]
  35         fi
  36 }
  37
  38 privileged_user ()
  39 {
  40         ! normal_user
  41 }
  42
  43 _jj_chpwd()
  44 {
  45         if ( cmd_exists git && test -d .git ); then
  46                 # Shows tracked branches and modified files
  47                 git checkout HEAD 2>&1 | sed 's/^/   /'
  48         fi
  49 }
  50
  51 if is434 ; then
  52     add-zsh-hook chpwd _jj_chpwd
  53 else
  54     function chpwd() {
  55         _jj_chpwd
  56     }
  57 fi
  58
  59 # Taken from oh-my-zsh
  60 if is434; then
  61     function dirpersiststore () {
  62         dirs -p | perl -e 'foreach (reverse <STDIN>) {chomp;s/([& ])/\\$1/g ;print "if [ -d $_ ]; then pushd -q $_; fi\n"}' >| $zdirstore
  63     }
  64     add-zsh-hook zshexit dirpersiststore
  65
  66     function dirpersistrestore () {
  67         if [ -f $zdirstore ]; then
  68             source $zdirstore
  69         fi
  70     }
  71 fi