From 53614d19826293d753aad599f2b2900d8d6303ed Mon Sep 17 00:00:00 2001
From: Timo Weingärtner <timo@tiwe.de>
Date: Mon, 19 Jul 2021 13:35:16 +0200
Subject: factor out download_source()

---
 update-openssh-known-hosts | 55 ++++++++++++++++++++++++++--------------------
 1 file changed, 31 insertions(+), 24 deletions(-)

diff --git a/update-openssh-known-hosts b/update-openssh-known-hosts
index c8f7e39..325a997 100755
--- a/update-openssh-known-hosts
+++ b/update-openssh-known-hosts
@@ -52,6 +52,36 @@ cleanup () {
 	lockfile-remove "${LOCK}"
 }
 
+download_source () (
+	local sourcename=$1
+	local sourcefile=$2
+
+	cd "${CACHEDIR}/${sourcename}"
+	set -a
+	. "${sourcefile}"
+	set +a
+	# shellcheck disable=SC2091
+	$(path_search "$PLUGIN" "$PLUGIN_PATH") >| log 2>&1 || {
+		exitcode=$?
+		rm -f new
+		ignore=''
+		for e in ${EXIT_IGNORE:-0}; do
+			if [[ $e = "$exitcode" ]]; then
+				ignore=1
+				break
+			fi
+		done
+		if [ -z "$ignore" ] || [ "$fail" ]; then
+			echo "${source} exited with code ${exitcode}, log follows:"
+			cat log
+			echo
+		fi
+		if [ "$fail" ]; then
+			exit 1
+		fi
+	} >&2
+)
+
 if [ $# -eq 1 ] && [ "$1" = "-f" ]; then
 	fail=1
 else
@@ -72,30 +102,7 @@ find -mindepth 2 -maxdepth 2 -type f -name new -delete
 run-parts --list "${CONFDIR}/sources/" | while read sourcefile; do
 	source=${sourcefile##*/}
 	mkdir -p "${source}"
-	(
-		set -a
-		cd "${source}"
-		. "${sourcefile}"
-		$(path_search "$PLUGIN" "$PLUGIN_PATH") >| log 2>&1 || {
-			exitcode=$?
-			rm -f new
-			ignore=''
-			for e in ${EXIT_IGNORE:-0}; do
-				if [[ $e = "$exitcode" ]]; then
-					ignore=1
-					break
-				fi
-			done
-			if [ -z "$ignore" -o "$fail" ]; then
-				echo "${source} exited with code ${exitcode}, log follows:"
-				cat log
-				echo
-			fi
-			if [ "$fail" ]; then
-				exit 1
-			fi
-		} >&2
-	) || exit 1
+	download_source "${source}" "${sourcefile}"
 	if [ -e "${source}/new" ]; then
 		mv "${source}/new" "${source}/current"
 	fi
-- 
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