From 92548d7de28f7adc0d4a513c8eb2ed3d45519c10 Mon Sep 17 00:00:00 2001
From: Patrick McDermott <patrick.mcdermott@libiquity.com>
Date: Mon, 18 Mar 2019 17:34:25 -0400
Subject: ob-gencontrol: Don't run find on non-existent dirs

---
(limited to 'src')

diff --git a/src/ob-gencontrol.sh b/src/ob-gencontrol.sh
index c2eb61b..181a279 100644
--- a/src/ob-gencontrol.sh
+++ b/src/ob-gencontrol.sh
@@ -28,8 +28,8 @@ gen_control()
 	local desc="${5}"
 	local gen_rel="${6}"
 	shift 6
-	local sizes=
 	local inst_size=
+	local sizes=
 	local size=
 	local name=
 	local value=
@@ -43,12 +43,14 @@ gen_control()
 	#   <http://pubs.opengroup.org/onlinepubs/9699919799/utilities/du.html>
 	#   <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=630533>
 	#   <https://www.gnu.org/software/coreutils/manual/html_node/du-invocation.html>
-	sizes="$(find "${binary}.data" -type f -exec wc -c '{}' ';' | \
-		cut -d ' ' -f 1)"
 	inst_size=0
-	for size in ${sizes}; do
-		inst_size=$((${inst_size} + ${size}))
-	done
+	if [ -d "${binary}.data" ]; then
+		sizes="$(find "${binary}.data" -type f -exec wc -c '{}' ';' | \
+			cut -d ' ' -f 1)"
+		for size in ${sizes}; do
+			inst_size=$((${inst_size} + ${size}))
+		done
+	fi
 	# Convert bytes to kibibytes and round up.
 	# Note: There is an inconsistency between the Debian Policy Manual and
 	# opkg in the units of this field.  Debian Policy defines this field in
@@ -183,7 +185,8 @@ gen_md5sums()
 		printf '%s  %s\n' "${sum}" "${file}" >&3
 		has_data=true
 	done <<-EOF
-		$(find "${binary}.data" -type f | sort | xargs md5sum)
+		$(find "${binary}.data" -type f 2>/dev/null | sort | \
+			xargs md5sum)
 		EOF
 	exec 3>&-
 
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