sys-shells/bash: import from upstream Gentoo

The only reason we have bash in the cros overlay is so that we have it
not install a /bin/sh symlink pointing to bash in the board root.  Once
we move that handling to chromeos-base, we can drop all the bash ebuild
customizations.

BUG=chromium-os:21901
TEST=`emerge chromeos-base bash` and see /bin/sh -> bash
TEST=`emerge-amd64-generic chromeos-base dash` and see /bin/sh -> dash
TEST=`emerge-arm-generic chromeos-base dash` and see /bin/sh -> dash
TEST=`emerge-x86-generic chromeos-base dash` and see /bin/sh -> dash

Change-Id: I1df4a75ac314ed308817b4cdf61564ac0174ad63
Reviewed-on: https://gerrit.chromium.org/gerrit/11409
Reviewed-by: David James <davidjames@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>
Commit-Ready: Mike Frysinger <vapier@chromium.org>

sdk_container/src/third_party/portage-stable/app-shells/bash/bash-4.1_p9.ebuild

@@ -0,0 +1,190 @@
+# Copyright 1999-2011 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/app-shells/bash/bash-4.1_p9.ebuild,v 1.8 2011/05/16 10:36:26 nyhm Exp $
+
+EAPI="1"
+
+inherit eutils flag-o-matic toolchain-funcs multilib
+
+# Official patchlevel
+# See ftp://ftp.cwru.edu/pub/bash/bash-3.2-patches/
+PLEVEL=${PV##*_p}
+MY_PV=${PV/_p*}
+MY_PV=${MY_PV/_/-}
+MY_P=${PN}-${MY_PV}
+[[ ${PV} != *_p* ]] && PLEVEL=0
+READLINE_VER=6.1
+READLINE_PLEVEL=0 # both readline patches are also released as bash patches
+patches() {
+	local opt=$1 plevel=${2:-${PLEVEL}} pn=${3:-${PN}} pv=${4:-${MY_PV}}
+	[[ ${plevel} -eq 0 ]] && return 1
+	eval set -- {1..${plevel}}
+	set -- $(printf "${pn}${pv/\.}-%03d " "$@")
+	if [[ ${opt} == -s ]] ; then
+		echo "${@/#/${DISTDIR}/}"
+	else
+		local u
+		for u in ftp://ftp.cwru.edu/pub/bash mirror://gnu/${pn} ; do
+			printf "${u}/${pn}-${pv}-patches/%s " "$@"
+		done
+	fi
+}
+
+DESCRIPTION="The standard GNU Bourne again shell"
+HOMEPAGE="http://tiswww.case.edu/php/chet/bash/bashtop.html"
+SRC_URI="mirror://gnu/bash/${MY_P}.tar.gz $(patches)
+	$(patches ${READLINE_PLEVEL} readline ${READLINE_VER})"
+
+LICENSE="GPL-3"
+SLOT="0"
+KEYWORDS="alpha amd64 arm hppa ia64 m68k ~mips ppc ppc64 s390 sh sparc x86 ~sparc-fbsd ~x86-fbsd"
+IUSE="afs bashlogger examples mem-scramble +net nls plugins vanilla"
+
+DEPEND=">=sys-libs/ncurses-5.2-r2
+	nls? ( virtual/libintl )"
+RDEPEND="${DEPEND}
+	!<sys-apps/portage-2.1.7.16
+	!<sys-apps/paludis-0.26.0_alpha5"
+
+S=${WORKDIR}/${MY_P}
+
+pkg_setup() {
+	if is-flag -malign-double ; then #7332
+		eerror "Detected bad CFLAGS '-malign-double'.  Do not use this"
+		eerror "as it breaks LFS (struct stat64) on x86."
+		die "remove -malign-double from your CFLAGS mr ricer"
+	fi
+	if use bashlogger ; then
+		ewarn "The logging patch should ONLY be used in restricted (i.e. honeypot) envs."
+		ewarn "This will log ALL output you enter into the shell, you have been warned."
+	fi
+}
+
+src_unpack() {
+	unpack ${MY_P}.tar.gz
+	cd "${S}"
+
+	# Include official patches
+	[[ ${PLEVEL} -gt 0 ]] && epatch $(patches -s)
+	cd lib/readline
+	[[ ${READLINE_PLEVEL} -gt 0 ]] && epatch $(patches -s ${READLINE_PLEVEL} readline ${READLINE_VER})
+	cd ../..
+
+	epatch "${FILESDIR}"/${PN}-4.1-fbsd-eaccess.patch #303411
+
+	if ! use vanilla ; then
+		sed -i '1i#define NEED_FPURGE_DECL' execute_cmd.c # needs fpurge() decl
+		epatch "${FILESDIR}"/${PN}-4.1-parallel-build.patch
+	fi
+}
+
+src_compile() {
+	local myconf=
+
+	# For descriptions of these, see config-top.h
+	# bashrc/#26952 bash_logout/#90488 ssh/#24762
+	append-cppflags \
+		-DDEFAULT_PATH_VALUE=\'\"/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin\"\' \
+		-DSTANDARD_UTILS_PATH=\'\"/bin:/usr/bin:/sbin:/usr/sbin\"\' \
+		-DSYS_BASHRC=\'\"/etc/bash/bashrc\"\' \
+		-DSYS_BASH_LOGOUT=\'\"/etc/bash/bash_logout\"\' \
+		-DNON_INTERACTIVE_LOGIN_SHELLS \
+		-DSSH_SOURCE_BASHRC \
+		$(use bashlogger && echo -DSYSLOG_HISTORY)
+
+	# Always use the buildin readline, else if we update readline
+	# bash gets borked as readline is usually not binary compadible
+	# between minor versions.
+	#myconf="${myconf} $(use_with !readline installed-readline)"
+	myconf="${myconf} --without-installed-readline"
+
+	# Don't even think about building this statically without
+	# reading Bug 7714 first.  If you still build it statically,
+	# don't come crying to us with bugs ;).
+	#use static && export LDFLAGS="${LDFLAGS} -static"
+	use nls || myconf="${myconf} --disable-nls"
+
+	# Force linking with system curses ... the bundled termcap lib
+	# sucks bad compared to ncurses
+	myconf="${myconf} --with-curses"
+
+	myconf="${myconf} --without-lispdir" #335896
+
+	use plugins && append-ldflags -Wl,-rpath,/usr/$(get_libdir)/bash
+	econf \
+		$(use_with afs) \
+		$(use_enable net net-redirections) \
+		--disable-profiling \
+		$(use_enable mem-scramble) \
+		$(use_with mem-scramble bash-malloc) \
+		${myconf} || die
+	emake || die "make failed"
+
+	if use plugins ; then
+		emake -C examples/loadables all others || die
+	fi
+}
+
+src_install() {
+	emake install DESTDIR="${D}" || die
+
+	dodir /bin
+	mv "${D}"/usr/bin/bash "${D}"/bin/ || die
+	dosym bash /bin/rbash
+
+	insinto /etc/bash
+	doins "${FILESDIR}"/{bashrc,bash_logout}
+	insinto /etc/skel
+	for f in bash{_logout,_profile,rc} ; do
+		newins "${FILESDIR}"/dot-${f} .${f}
+	done
+
+	sed -i -e "s:#${USERLAND}#@::" "${D}"/etc/skel/.bashrc "${D}"/etc/bash/bashrc
+	sed -i -e '/#@/d' "${D}"/etc/skel/.bashrc "${D}"/etc/bash/bashrc
+
+	if use plugins ; then
+		exeinto /usr/$(get_libdir)/bash
+		doexe $(echo examples/loadables/*.o | sed 's:\.o::g') || die
+	fi
+
+	if use examples ; then
+		for d in examples/{functions,misc,scripts,scripts.noah,scripts.v2} ; do
+			exeinto /usr/share/doc/${PF}/${d}
+			insinto /usr/share/doc/${PF}/${d}
+			for f in ${d}/* ; do
+				if [[ ${f##*/} != PERMISSION ]] && [[ ${f##*/} != *README ]] ; then
+					doexe ${f}
+				else
+					doins ${f}
+				fi
+			done
+		done
+	fi
+
+	doman doc/*.1
+	dodoc README NEWS AUTHORS CHANGES COMPAT Y2K doc/FAQ doc/INTRO
+	dosym bash.info /usr/share/info/bashref.info
+}
+
+pkg_preinst() {
+	if [[ -e ${ROOT}/etc/bashrc ]] && [[ ! -d ${ROOT}/etc/bash ]] ; then
+		mkdir -p "${ROOT}"/etc/bash
+		mv -f "${ROOT}"/etc/bashrc "${ROOT}"/etc/bash/
+	fi
+
+	if [[ -L ${ROOT}/bin/sh ]]; then
+		# rewrite the symlink to ensure that its mtime changes. having /bin/sh
+		# missing even temporarily causes a fatal error with paludis.
+		local target=$(readlink "${ROOT}"/bin/sh)
+		local tmp=$(emktemp "${ROOT}"/bin)
+		ln -sf "${target}" "${tmp}"
+		mv -f "${tmp}" "${ROOT}"/bin/sh
+	fi
+}
+
+pkg_postinst() {
+	# If /bin/sh does not exist, provide it
+	if [[ ! -e ${ROOT}/bin/sh ]]; then
+		ln -sf bash "${ROOT}"/bin/sh
+	fi
+}

sdk_container/src/third_party/portage-stable/app-shells/bash/files/bash-4.1-fbsd-eaccess.patch

@@ -0,0 +1,29 @@
+Bash built-in test fails to correctly report exeuctable status for non-
+executable files when run by root on FreeBSD.
+
+See http://bugs.gentoo.org/303411
+
+Patch from Johan Hattne <johan.hattne@utsuthwestern.edu>
+--- lib/sh/eaccess.c.orig
++++ lib/sh/eaccess.c
+@@ -198,11 +198,19 @@
+      char *path;
+      int mode;
+ {
++  struct stat s;
++  int ret;
++
+   if (path_is_devfd (path))
+     return (sh_stataccess (path, mode));
+ 
+ #if defined (HAVE_EACCESS)		/* FreeBSD */
+-  return (eaccess (path, mode));
++  if (stat (path, &s) != 0)
++    return (-1);
++  ret = eaccess (path, mode);
++  if (mode == X_OK && ret == 0 && !S_ISDIR(s.st_mode) && geteuid() == 0)
++    return ((s.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH)) == 0 ? -1 : 0);
++  return (ret);
+ #elif defined (EFF_ONLY_OK)		/* SVR4(?), SVR4.2 */
+   return access (path, mode|EFF_ONLY_OK);
+ #else

sdk_container/src/third_party/portage-stable/app-shells/bash/files/bash-4.1-parallel-build.patch

@@ -0,0 +1,23 @@
+--- bash-4.1/lib/glob/Makefile.in
++++ bash-4.1/lib/glob/Makefile.in
+@@ -119,6 +119,11 @@
+ mostlyclean: clean
+ 	-( cd doc && $(MAKE) $(MFLAGS) $@ )
+ 
++# Dependencies
++
++${BUILD_DIR}/pathnames.h: ${BUILD_DIR}/config.h ${BUILD_DIR}/Makefile Makefile
++	-( cd ${BUILD_DIR} && ${MAKE} ${MFLAGS} pathnames.h )
++
+ ######################################################################
+ #								     #
+ #  Dependencies for the object files which make up this library.     #
+@@ -136,7 +141,7 @@
+ strmatch.o: $(BUILD_DIR)/config.h
+ strmatch.o: $(BASHINCDIR)/stdc.h
+ 
+-glob.o: $(BUILD_DIR)/config.h
++glob.o: $(BUILD_DIR)/config.h $(topdir)/shell.h $(BUILD_DIR)/pathnames.h
+ glob.o: $(topdir)/bashtypes.h $(BASHINCDIR)/ansi_stdlib.h $(topdir)/bashansi.h
+ glob.o: $(BASHINCDIR)/posixstat.h $(BASHINCDIR)/memalloc.h
+ glob.o: strmatch.h glob.h

sdk_container/src/third_party/portage-stable/app-shells/bash/files/bash_logout

@@ -0,0 +1,9 @@
+# /etc/bash/bash_logout
+
+# This file is sourced when a login shell terminates.
+
+# You may wish to clear everyone's screen when they logout.
+#clear
+
+# Or maybe you want to leave a thoughtful note.
+#fortune

sdk_container/src/third_party/portage-stable/app-shells/bash/files/bashrc

@@ -0,0 +1,86 @@
+# /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
+
+# Enable history appending instead of overwriting.  #139609
+shopt -s histappend
+
+# Change the window title of X terminals 
+case ${TERM} in
+	xterm*|rxvt*|Eterm|aterm|kterm|gnome*|interix)
+		PROMPT_COMMAND='echo -ne "\033]0;${USER}@${HOSTNAME%%.*}:${PWD/#$HOME/~}\007"'
+		;;
+	screen)
+		PROMPT_COMMAND='echo -ne "\033_${USER}@${HOSTNAME%%.*}:${PWD/#$HOME/~}\033\\"'
+		;;
+esac
+
+use_color=false
+#BSD#@# BSD doesn't typically come with dircolors so we need
+#BSD#@# to hardcode some terminals in here.
+#BSD#@case ${TERM} in
+#BSD#@	xterm*|rxvt*|Eterm|aterm|kterm|gnome*|screen|cons25) use_color=true;;
+#BSD#@esac
+
+# Set colorful PS1 only on colorful terminals.
+# dircolors --print-database uses its own built-in database
+# instead of using /etc/DIR_COLORS.  Try to use the external file
+# first to take advantage of user additions.  Use internal bash
+# globbing instead of external grep binary.
+safe_term=${TERM//[^[:alnum:]]/?}   # sanitize TERM
+match_lhs=""
+[[ -f ~/.dir_colors   ]] && match_lhs="${match_lhs}$(<~/.dir_colors)"
+[[ -f /etc/DIR_COLORS ]] && match_lhs="${match_lhs}$(</etc/DIR_COLORS)"
+[[ -z ${match_lhs}    ]] \
+	&& type -P dircolors >/dev/null \
+	&& match_lhs=$(dircolors --print-database)
+[[ $'\n'${match_lhs} == *$'\n'"TERM "${safe_term}* ]] && use_color=true
+
+if ${use_color} ; then
+	# Enable colors for ls, etc.  Prefer ~/.dir_colors #64489
+	if type -P dircolors >/dev/null ; then
+		if [[ -f ~/.dir_colors ]] ; then
+			eval $(dircolors -b ~/.dir_colors)
+		elif [[ -f /etc/DIR_COLORS ]] ; then
+			eval $(dircolors -b /etc/DIR_COLORS)
+		fi
+	fi
+
+	if [[ ${EUID} == 0 ]] ; then
+		PS1='\[\033[01;31m\]\h\[\033[01;34m\] \W \$\[\033[00m\] '
+	else
+		PS1='\[\033[01;32m\]\u@\h\[\033[01;34m\] \w \$\[\033[00m\] '
+	fi
+
+	#BSD#@export CLICOLOR=1
+	#GNU#@alias ls='ls --color=auto'
+	alias grep='grep --colour=auto'
+else
+	if [[ ${EUID} == 0 ]] ; then
+		# show root@ when we don't have colors
+		PS1='\u@\h \W \$ '
+	else
+		PS1='\u@\h \w \$ '
+	fi
+fi
+
+# Try to keep environment pollution down, EPA loves us.
+unset use_color safe_term match_lhs

sdk_container/src/third_party/portage-stable/app-shells/bash/files/dot-bash_logout

@@ -0,0 +1,6 @@
+# /etc/skel/.bash_logout
+
+# This file is sourced when a login shell terminates.
+
+# Clear the screen for security's sake.
+clear

sdk_container/src/third_party/portage-stable/app-shells/bash/files/dot-bash_profile

@@ -0,0 +1,5 @@
+# /etc/skel/.bash_profile
+
+# This file is sourced by bash for login shells.  The following line
+# runs your .bashrc and is recommended by the bash info pages.
+[[ -f ~/.bashrc ]] && . ~/.bashrc

sdk_container/src/third_party/portage-stable/app-shells/bash/files/dot-bashrc

@@ -0,0 +1,18 @@
+# /etc/skel/.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
+
+
+# Put your fun stuff here.