[OE-core] [PATCH] shutdown-desktop: ensure the postinst script succeeds

[Ross Burton]

When the hostname isn't qemuarm the grep fails so the postinst fails. Stop this
happening by explicitly evaluating true.

[YOCTO #3224]

Signed-off-by: Ross Burton <ross.burton at intel.com>
---
 meta/recipes-sato/shutdown-desktop/shutdown-desktop.bb |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/meta/recipes-sato/shutdown-desktop/shutdown-desktop.bb b/meta/recipes-sato/shutdown-desktop/shutdown-desktop.bb
index d0f507e..c5096c1 100644
--- a/meta/recipes-sato/shutdown-desktop/shutdown-desktop.bb
+++ b/meta/recipes-sato/shutdown-desktop/shutdown-desktop.bb
@@ -5,6 +5,8 @@ LIC_FILES_CHKSUM = "file://${COREBASE}/LICENSE;md5=3f40d7994397109285ec7b81fdeb3
 
 SRC_URI = "file://shutdown.desktop"
 
+PR = "r1"
+
 S = "${WORKDIR}"
 
 do_install() {
@@ -14,7 +16,8 @@ do_install() {
 
 pkg_postinst_${PN} () {
     grep -q qemuarm $D${sysconfdir}/hostname && \
-        sed -i $D${datadir}/applications/shutdown.desktop -e 's/^Exec=halt/Exec=reboot/'
+        sed -i $D${datadir}/applications/shutdown.desktop -e 's/^Exec=halt/Exec=reboot/' \
+        || true
 }
 
 inherit allarch
-- 
1.7.10