create core package

system/base/bash/files/bashrc

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+# /etc/bash/bashrc
+#
+# This file is sourced by all *interactive* bash shells on startup,
+# including some apparently interactive shells such as scp and rcp
+# that can't tolerate any output.  So make sure this doesn't display
+# anything or bad things will happen !
+
+
+# Test for an interactive shell.  There is no need to set anything
+# past this point for scp and rcp, and it's important to refrain from
+# outputting anything in those cases.
+if [[ $- != *i* ]] ; then
+	# Shell is non-interactive.  Be done now!
+	return
+fi
+
+# Bash won't get SIGWINCH if another process is in the foreground.
+# Enable checkwinsize so that bash will check the terminal size when
+# it regains control.  #65623
+# http://cnswww.cns.cwru.edu/~chet/bash/FAQ (E11)
+shopt -s checkwinsize
+
+# Minor errors in the spelling of a directory component in a cd command
+# will be corrected.
+shopt -s cdspell
+
+# Set colorful PS1 only on colorful terminals.
+# dircolors --print-database uses its own built-in database
+# instead of using /etc/DIR_COLORS.  Try to use the external file
+# first to take advantage of user additions.
+use_color=false
+safe_term=${TERM//[^[:alnum:]]/.}	# sanitize TERM
+
+if [[ -f /etc/DIR_COLORS ]] ; then
+	grep -q "^TERM ${safe_term}" /etc/DIR_COLORS && use_color=true
+elif type -p dircolors >/dev/null ; then
+	if dircolors --print-database | grep -q "^TERM ${safe_term}" ; then
+		use_color=true
+	fi
+fi
+
+if ${use_color} ; then
+	if [ "$EUID" = 0 ] || [ "`whoami`" == 'root' ]; then
+		export PS1='\[\033[1;31m\]\h \[\033[1;34m\]\W \$ \[\033[00m\]'
+	else
+		export PS1='\[\033[1m\]\u@\h \[\033[0;31m\]\W \$ \[\033[00m\]'
+	fi
+else
+	PS1='\u@\h: \W \$ '
+fi
+
+# Try to keep environment pollution down, EPA loves us.
+unset use_color safe_term
+