pp-dialin: try to make it upgrade safe

diff --git a/packages/ppp-dialin/ppp-dialin_0.1.bb b/packages/ppp-dialin/ppp-dialin_0.1.bb
index 6861d8a..51a4a2b 100644 (file)
--- a/packages/ppp-dialin/ppp-dialin_0.1.bb
+++ b/packages/ppp-dialin/ppp-dialin_0.1.bb
@@ -2,7 +2,7 @@ SECTION = "console/network"
 DESCRIPTION = "Enables PPP dial-in through a serial connection"
 DEPENDS = "ppp"
 RDEPENDS = "ppp"
-PR = "r5"
+PR = "r6"
 LICENSE = "MIT"
 
 SRC_URI = "file://host-peer \
@@ -22,7 +22,7 @@ pkg_postinst() {
 if test "x$D" != "x"; then
        exit 1
 else
-       adduser --system --home /dev/null --no-create-home --empty-password --ingroup nogroup -s ${sbindir}/ppp-dialin ppp
+    grep "^ppp:" /etc/passwd > /dev/null || adduser --system --home /dev/null --no-create-home --empty-password --ingroup nogroup -s ${sbindir}/ppp-dialin ppp 
 fi
 }
 
@@ -30,6 +30,6 @@ pkg_postrm() {
 if test "x$D" != "x"; then
        exit 1
 else
-       deluser ppp
+       deluser ppp || true
 fi
 }