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

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

1 Add base-files to RDEPENDS.
2 Add pkg_postinst and pkg_postrm to add and remove a entry in
/etc/shells.

Signed-off-by: Ming Liu <ming.liu@windriver.com>
---
 meta/recipes-extended/screen/screen_4.0.3.bb | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/meta/recipes-extended/screen/screen_4.0.3.bb b/meta/recipes-extended/screen/screen_4.0.3.bb
index 1a7eb20..be42fb9 100644
--- a/meta/recipes-extended/screen/screen_4.0.3.bb
+++ b/meta/recipes-extended/screen/screen_4.0.3.bb
@@ -12,6 +12,8 @@ LIC_FILES_CHKSUM = "file://COPYING;md5=0774d66808b0f602e94448108f59448b \
 SECTION = "console/utils"
 DEPENDS = "ncurses \
           ${@base_contains('DISTRO_FEATURES', 'pam', 'libpam', '', d)}"
+RDEPENDS_${PN} = "base-files"
+
 PR = "r3"
 
 SRC_URI = "${GNU_MIRROR}/screen/screen-${PV}.tar.gz;name=tarball \
@@ -41,3 +43,11 @@ do_install_append () {
 		fi
 	done
 }
+
+pkg_postinst_${PN} () {
+	grep -q "^${bindir}/screen$" $D${sysconfdir}/shells || echo ${bindir}/screen >> $D${sysconfdir}/shells
+}
+
+pkg_postrm_${PN} () {
+	printf "$(grep -v "^${bindir}/screen$" $D${sysconfdir}/shells)\n" > $D${sysconfdir}/shells
+}
-- 
1.8.4.1