From f9f3f3426126f059165a1f37da0ad3ea205fbdd0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rg=20Frings-F=C3=BCrst?= <debian@jff-webhosting.net>
Date: Tue, 3 Mar 2015 19:19:03 +0100
Subject: Replace fixed path with a POSIX-compliant shell function to check the
 existence of a command

---
 debian/sane-utils.postrm | 23 ++++++++++++++++++++++-
 1 file changed, 22 insertions(+), 1 deletion(-)

(limited to 'debian/sane-utils.postrm')

diff --git a/debian/sane-utils.postrm b/debian/sane-utils.postrm
index a11d248..4960234 100644
--- a/debian/sane-utils.postrm
+++ b/debian/sane-utils.postrm
@@ -2,8 +2,29 @@
 
 set -e
 
+#
+# POSIX-compliant shell function
+# to check for the existence of a command
+# Return 0 if found
+#
+pathfind() {
+    OLDIFS="$IFS"
+    IFS=:
+    for p in $PATH; do
+        if [ -x "$p/$*" ]; then
+            IFS="$OLDIFS"
+            return 0
+        fi
+    done
+    IFS="$OLDIFS"
+    return 1
+}
+
+
+
 if [ "$1" = purge ]; then
-    if [ -x /usr/sbin/update-inetd ]; then
+    pathfind update-inetd
+    if [ $? = 0 ]; then
 	update-inetd --remove sane-port
 	update-inetd --remove "#<off># sane-port"
     fi
-- 
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