some bashrc tweaks

bashrc

@@ -15,21 +15,27 @@ export SSH_AUTH_SOCK="$HOME/.ssh/ssh_auth_sock"
 export LS_COLORS='no=00:fi=00:di=34:ow=34;40:ln=35:pi=30;44:so=35;44:do=35;44:bd=33;44:cd=37;44:or=05;37;41:mi=05;37;41:ex=01;31:*.cmd=01;31:*.exe=01;31:*.com=01;31:*.bat=01;31:*.reg=01;31:*.app=01;31:*.txt=32:*.org=32:*.md=32:*.mkd=32:*.h=32:*.c=32:*.C=32:*.cc=32:*.cpp=32:*.cxx=32:*.objc=32:*.sh=32:*.csh=32:*.zsh=32:*.el=32:*.vim=32:*.java=32:*.pl=32:*.pm=32:*.py=32:*.rb=32:*.hs=32:*.php=32:*.htm=32:*.html=32:*.shtml=32:*.erb=32:*.haml=32:*.xml=32:*.rdf=32:*.css=32:*.sass=32:*.scss=32:*.less=32:*.js=32:*.coffee=32:*.man=32:*.0=32:*.1=32:*.2=32:*.3=32:*.4=32:*.5=32:*.6=32:*.7=32:*.8=32:*.9=32:*.l=32:*.n=32:*.p=32:*.pod=32:*.tex=32:*.bmp=33:*.cgm=33:*.dl=33:*.dvi=33:*.emf=33:*.eps=33:*.gif=33:*.jpeg=33:*.jpg=33:*.JPG=33:*.mng=33:*.pbm=33:*.pcx=33:*.pdf=33:*.pgm=33:*.png=33:*.ppm=33:*.pps=33:*.ppsx=33:*.ps=33:*.svg=33:*.svgz=33:*.tga=33:*.tif=33:*.tiff=33:*.xbm=33:*.xcf=33:*.xpm=33:*.xwd=33:*.xwd=33:*.yuv=33:*.aac=33:*.au=33:*.flac=33:*.mid=33:*.midi=33:*.mka=33:*.mp3=33:*.mpa=33:*.mpeg=33:*.mpg=33:*.ogg=33:*.ra=33:*.wav=33:*.anx=33:*.asf=33:*.avi=33:*.axv=33:*.flc=33:*.fli=33:*.flv=33:*.gl=33:*.m2v=33:*.m4v=33:*.mkv=33:*.mov=33:*.mp4=33:*.mp4v=33:*.mpeg=33:*.mpg=33:*.nuv=33:*.ogm=33:*.ogv=33:*.ogx=33:*.qt=33:*.rm=33:*.rmvb=33:*.swf=33:*.vob=33:*.wmv=33:*.doc=31:*.docx=31:*.rtf=31:*.dot=31:*.dotx=31:*.xls=31:*.xlsx=31:*.ppt=31:*.pptx=31:*.fla=31:*.psd=31:*.7z=1;35:*.apk=1;35:*.arj=1;35:*.bin=1;35:*.bz=1;35:*.bz2=1;35:*.cab=1;35:*.deb=1;35:*.dmg=1;35:*.gem=1;35:*.gz=1;35:*.iso=1;35:*.jar=1;35:*.msi=1;35:*.rar=1;35:*.rpm=1;35:*.tar=1;35:*.tbz=1;35:*.tbz2=1;35:*.tgz=1;35:*.tx=1;35:*.war=1;35:*.xpi=1;35:*.xz=1;35:*.z=1;35:*.Z=1;35:*.zip=1;35:*.ANSI-30-black=30:*.ANSI-01;30-brblack=01;30:*.ANSI-31-red=31:*.ANSI-01;31-brred=01;31:*.ANSI-32-green=32:*.ANSI-01;32-brgreen=01;32:*.ANSI-33-yellow=33:*.ANSI-01;33-bryellow=01;33:*.ANSI-34-blue=34:*.ANSI-01;34-brblue=01;34:*.ANSI-35-magenta=35:*.ANSI-01;35-brmagenta=01;35:*.ANSI-36-cyan=36:*.ANSI-01;36-brcyan=01;36:*.ANSI-37-white=37:*.ANSI-01;37-brwhite=01;37:*.log=01;32:*~=01;32:*#=01;32:*.bak=01;33:*.BAK=01;33:*.old=01;33:*.OLD=01;33:*.org_archive=01;33:*.off=01;33:*.OFF=01;33:*.dist=01;33:*.DIST=01;33:*.orig=01;33:*.ORIG=01;33:*.swp=01;33:*.swo=01;33:*,v=01;33:*.gpg=34:*.gpg=34:*.pgp=34:*.asc=34:*.3des=34:*.aes=34:*.enc=34:'
 # }}}
 # {{{ prompt
-colorize()
-{
-    local color_nr="$1"; shift
-    printf "\\e[38;5;${color_nr}m%s\\e[39m" "$*"
+colorize() {
+    typeset prompt="$1"; shift
+    typeset color_nr="$1"; shift
+    if ((prompt)); then
+        printf '\[\e[38;5;%sm\]%s\[\e[39m\]' "$color_nr" "$*"
+    else
+        printf '\e[38;5;%sm%s\e[39m' "$color_nr" "$*"
+    fi
 }
-prompt_command()
-{
+prompt_command() {
+    typeset cwd=$(colorize 1 8 "$(pwd)")
     case "$TERM" in
         (screen*) printf '\033k%s\033\'  "${HOSTNAME%%.*}";;
         (*)       printf '\033]0;%s\007' "${HOSTNAME%%.*}";;
     esac
-    ((UID)) && clr=8 || clr=1
-    echo "[ $(colorize "$clr" $USER) $HOSTNAME:$(colorize 8 "$(pwd)") ]"
+    PS1="[ bash-\\v | $ps_user $HOSTNAME:$cwd ]\\n$ps_bang "
 }
-PS1='\$ '
+((UID)) && ps_clr=8 || ps_clr=1
+ps_user=$(colorize 1 $ps_clr "$USER")
+ps_bang=$(colorize 1 $ps_clr \>)
+unset ps_clr
 PROMPT_COMMAND=prompt_command
 # }}}
 # {{{ aliases
@@ -82,8 +88,7 @@ if [[ -x $(command -v grc) ]]; then
 fi
 # some cool git stuff
 gdiff() { /usr/bin/git diff --color "$@"; }
-gdf()
-{
+gdf() {
     local difftool
     if difftool=$(command -v sdiff-so-fancy); then
         gdiff "$@" | "$difftool" | less --tabs=4 -RSFX
@@ -101,5 +106,6 @@ s() {
 }
 
 # we want to see exit code on error (it also has to be the last entry here)
-trap 'returncode=$?; printf "$(colorize 1 \>\>) $(colorize 8 exit) $(colorize 1 %s)\n" "$returncode" >&2' ERR
+trap_msg="$(colorize 0 1 \>\>) $(colorize 0 8 exit) $(colorize 0 1 %s)\n"
+trap 'printf "$trap_msg" "$?" >&2' ERR
 # }}}