[OE-core] [PATCH] bash: Make it possible to run bash 3.2.48 instead of 4.2.

[Martin Ertsaas]

bash-3.2.48 did not provide the linking from sh to bash, making it unusable.
This patch fixes this. The reason for using 3.2.48 is that it is GPLv2 licensed,
which 4.2 is not.
---
 meta/recipes-extended/bash/bash_3.2.48.bb |   20 +++++++++++++++-----
 1 files changed, 15 insertions(+), 5 deletions(-)

diff --git a/meta/recipes-extended/bash/bash_3.2.48.bb b/meta/recipes-extended/bash/bash_3.2.48.bb
index 509d7a0..bab38a1 100644
--- a/meta/recipes-extended/bash/bash_3.2.48.bb
+++ b/meta/recipes-extended/bash/bash_3.2.48.bb
@@ -6,7 +6,7 @@ LICENSE = "GPLv2+"
 LIC_FILES_CHKSUM = "file://COPYING;md5=fd5d9bcabd8ed5a54a01ce8d183d592a"
 DEPENDS = "ncurses"
 
-PR = "r10"
+PR = "r11"
 
 SRC_URI = "${GNU_MIRROR}/bash/bash-${PV}.tar.gz;name=tarball \
            ${GNU_MIRROR}/bash/bash-3.2-patches/bash32-049;apply=yes;striplevel=0;name=patch001 \
@@ -25,16 +25,18 @@ SRC_URI[patch003.sha256sum] = "354886097cd95b4def77028f32ee01e2e088d58a98184fede
 SRC_URI[md5sum] = "338dcf975a93640bb3eaa843ca42e3f8"
 SRC_URI[sha256sum] = "128d281bd5682ba5f6953122915da71976357d7a76490d266c9173b1d0426348"
 
-inherit autotools gettext
+inherit autotools gettext update-alternatives
 
 PARALLEL_MAKE = ""
 
-bindir = "/bin"
-sbindir = "/sbin"
-
 EXTRA_OECONF = "--with-ncurses"
 export CC_FOR_BUILD = "${BUILD_CC}"
 
+ALTERNATIVE_${PN} = "sh"
+ALTERNATIVE_LINK_NAME[sh] = "${base_bindir}/sh"
+ALTERNATIVE_TARGET[sh] = "${base_bindir}/bash"
+ALTERNATIVE_PRIORITY = "100"
+
 export AUTOHEADER = "true"
 
 do_configure_prepend () {
@@ -43,6 +45,14 @@ do_configure_prepend () {
 	fi
 }
 
+do_install_append () {
+	# Move /usr/bin/bash to /bin/bash, if need
+	if [ "${base_bindir}" != "${bindir}" ]; then
+		mkdir -p ${D}${base_bindir}
+		mv ${D}${bindir}/bash ${D}${base_bindir}
+	fi
+}
+
 pkg_postinst_${PN} () {
 	touch $D${sysconfdir}/shells
 	grep -q "bin/bash" $D${sysconfdir}/shells || echo /bin/bash >> $D${sysconfdir}/shells
-- 
1.7.8.6