[PATCH V4 2/3] bash: dynamically add or remove a entry to/from /etc/shells

[Ming Liu <ming.liu@windriver.com>]

1 Add base-files to RDEPENDS.
2 Use ${base_bindir} in regex to match bash path.
3 Add pkg_postrm to remove the entry from /etc/shells that added by
pkg_postinst.

Signed-off-by: Ming Liu <ming.liu@windriver.com>
---
 meta/recipes-extended/bash/bash.inc | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/meta/recipes-extended/bash/bash.inc b/meta/recipes-extended/bash/bash.inc
index 64b476f..99875bf 100644
--- a/meta/recipes-extended/bash/bash.inc
+++ b/meta/recipes-extended/bash/bash.inc
@@ -17,6 +17,8 @@ ALTERNATIVE_PRIORITY = "100"
 
 export AUTOHEADER = "true"
 
+RDEPENDS_${PN} += "base-files"
+RDEPENDS_${PN}_class-nativesdk = ""
 RDEPENDS_${PN}-ptest += "make"
 
 do_configure_prepend () {
@@ -44,7 +46,9 @@ do_install_ptest () {
 }
 
 pkg_postinst_${PN} () {
-	touch $D${sysconfdir}/shells
-	grep -q "bin/bash" $D${sysconfdir}/shells || echo /bin/bash >> $D${sysconfdir}/shells
-	grep -q "bin/sh" $D${sysconfdir}/shells || echo /bin/sh >> $D${sysconfdir}/shells
+	grep -q "^${base_bindir}/bash$" $D${sysconfdir}/shells || echo ${base_bindir}/bash >> $D${sysconfdir}/shells
+}
+
+pkg_postrm_${PN} () {
+	printf "$(grep -v "^${base_bindir}/bash$" $D${sysconfdir}/shells)\n" > $D${sysconfdir}/shells
 }
-- 
1.8.4.1