featuredPS1.sh added

featuredPS1.sh

@@ -0,0 +1,204 @@
+#!/bin/bash
+## (c) by wiebel (wiebel42@gmail.com)
+# Function to display the returncode of the previous command if not zero
+ps1_return() {
+if [ "$1" != "0" ]; then
+	echo -e "$1 "
+fi
+return $1
+}
+
+# Generating the not symlinked part of the Working directory 
+
+# Needs to be improved, by the use of $DIRSTACK, should be waaaay easier
+
+ps1_pre() { 
+ret=$?			# Buffer the returncode
+dir=$PWD
+dir_komp=$PWD
+#if grep -q ^$HOME <<< $PWD
+if [ -z "${PWD/${HOME}*}" ]; then
+	athome=true
+#	dir_komp=$(sed -e "s/^$(sed -e "s:/:\\\/:g" <<<$HOME)/~/" <<< $dir)
+	dir_komp=${dir/${HOME}/\~}
+	while [ "$PWD" != "$HOME" ]; do
+#	if readlink "$PWD" >/dev/null; then
+	if [ -L "$PWD" ]; then
+		sym=true
+		cd ..
+		dir=$PWD/
+	else
+		cd ..
+		fi
+	done
+#	dir=$(sed -e "s/^$(sed -e "s:/:\\\/:g" <<<$HOME)/~/" <<< $dir) 
+	dir=${dir/${HOME}/\~}
+else
+	athome=false
+	while [ "$PWD" != "/" ]; do
+#	if readlink "$PWD" >/dev/null
+	if [ -L "$PWD" ]; then
+		sym=true
+		cd ..
+		dir=$PWD/
+	else
+		cd ..
+	fi
+	done
+fi
+
+#if [ `wc -c <<< $dir_komp`  -gt "30" ]
+if [ ${#dir_komp} -gt "30" ]; then
+	if [ $sym ]; then
+		if $athome; then 
+			dir="~/$(cut -d/ -f2 <<< $dir)/..."
+		else
+			dir="/$(cut -d/ -f2 <<< $dir)/..."
+		fi
+	else 
+		dir=$(sed -e 's:\(/[^/]*/\).*\(/[^/]\):\1...\2:' <<< $dir)
+#		dir=${dir/${HOME}/\~}
+	fi
+fi
+echo -e $dir
+return $ret
+}
+
+# coloring if we're at home or not
+ps1_pre_color(){
+ret=$?
+#if grep -q $HOME <<<$PWD
+if [ -z "${PWD/${HOME}*}" ]; then
+	echo -e $HOME_COLOR
+else 
+	echo -e $ROOT_COLOR
+fi
+return $ret
+}
+
+
+# Now to the colors for the symlinked part of it
+ps1_dir_color() {
+ret=$?
+
+#If we're not at home make it $ROOT_SYM
+d_color=$ROOT_SYM
+# If we're anywhere at home make it $HOME_SYM
+#if grep -q ^$HOME <<< $PWD
+if [ -z "${PWD/${HOME}*}" ]; then
+	d_color=$HOME_SYM
+fi
+# Check if we really are where we ought to be (if there is a symlink in the path)
+while [ "$PWD" != "/" ]; do
+#	if readlink "$PWD" >/dev/null
+	if [ -L "$PWD" ]; then
+	# There is a symlink so now show me you're true color
+		new_path=$(readlink "$PWD")
+		cd ../;cd $new_path
+#		if grep -q ^$HOME <<< $PWD
+		if [ -z ${PWD/${HOME}*} ]; then 
+			d_color=$HOME_SYM
+		else 
+			d_color=$ROOT_SYM
+		fi
+	else
+		cd ..
+	fi
+done
+echo -e "$d_color"
+return $ret
+}
+
+# Ok show me the symlinked part of the path
+ps1_dir() {
+ret=$?
+#	echo $1
+#if grep -q ^~ <<< $1
+if [ -z "${1/\~*}" ]; then
+#	d=$(sed -e "s:~:$HOME:" <<<"$*")
+	d=${*/\~/${HOME}}
+else
+	d="$*"
+fi
+
+if [ "$d" = "$PWD" ]; then
+	dir=""
+elif grep -q "\.\.\.$" <<<"$d"; then
+	dir=$(sed -e "s:.*\(/[!/]*\):\1:" <<< $PWD)
+elif grep -q "\/\.\.\.\/" <<< "$d"; then
+	dir=""
+else
+	dir=$(sed -e "s/^$(sed -e "s:/:\\\/:g" <<<"$d")//" <<< $PWD)  
+fi
+
+echo -e "$dir"
+return $ret
+}
+
+# So another thing, good to know is, if i am allowed to write, so here we go ...
+ps1_write() {
+ret=$?
+if [ -w "$PWD" ]; then
+	echo -e "$ON_COLOR"
+else 
+	echo -e "$OFF_COLOR"
+fi
+return $ret
+}
+# Do i own the current dir ??
+ps1_own() {
+ret=$?
+if [ -O "$PWD" ]; then
+	echo -e "$ON_COLOR"
+else
+	echo -e "$OFF_COLOR"
+fi
+return $ret
+}
+
+#DIR_P='$(ps1_pre)'
+# Now to the root or not to root question (slightly modificated from the original profile)
+# i've not yet came to it to set all colors to variable so feel free to adjust ;)
+if [ `/usr/bin/whoami` = 'root' ]; then
+	# Do not set PS1 for dumb terminals
+	if [ "$TERM" != 'dumb'  ] && [ -n "$BASH" ]; then
+		# like always no username for root for he is red 
+		PS1pre='\A '
+		PS1U='' 
+		PS1H='\[\033[01;31m\]\h'
+		# here we enlight if root does own it or not
+		PS1P='\[$(ps1_own)\]\$ \[\033[0m\]'
+		# patch up the returncode 
+		PS1ret='\[\033[01;31m\]$(ps1_return $?)'
+		#and now for the pwd stuff
+		PS1dir='\[$(ps1_pre_color)\]$(ps1_pre)\[$(ps1_dir_color)\]$(ps1_dir $(ps1_pre))'
+		# I found no other solution than embracing the colors right here 'cause  
+		# echo -e "\[...\]" doesn't work for any reason. 
+		# Another point where help would be appreciated ;)
+
+		# ok now stitch it together
+		export PS1="${PS1pre}${PS1U}${PS1H} ${PS1dir} ${PS1ret}${PS1P}"
+	fi
+else
+	# Do not set PS1 for dumb terminals
+	if [ "$TERM" != 'dumb'  ] && [ -n "$BASH" ]; then
+		PS1pre='\A '
+		PS1U='\[\033[01;33m\]\u'
+		# Not to forget to enlight the @ to show if we are owner
+		PS1H='\[$(ps1_own)\]@\[\033[00;32m\]\h'
+		# and enlight the $ if we are to write
+		PS1P='\[$(ps1_write)\]\$ \[\033[0m\]'
+		PS1ret='\[\033[01;31m\]$(ps1_return $?)'
+		PS1dir='\[$(ps1_pre_color)\]$(ps1_pre)\[$(ps1_dir_color)\]$(ps1_dir $(ps1_pre))'
+		export PS1="${PS1pre}${PS1U}${PS1H} ${PS1dir} ${PS1ret}${PS1P}"
+	fi
+fi
+
+ROOT_COLOR="\033[01;34m"		# blue
+HOME_COLOR="\033[01;33m"		# yellow
+ROOT_SYM="\033[00;36m"
+HOME_SYM="\033[00;33m"
+
+SYM_COLOR="\033[00;36m"			# cyan
+ON_COLOR="\033[01;37m"			# white
+OFF_COLOR="\033[01;30m"			# grey