checkapk: fix to work with https repositories

checkapk.in

@@ -63,8 +63,8 @@ for i in $pkgname $subpackages; do
 	done
 	[ -f "$filepath" ] || die "can't find $pkgfile"
 
-	# generate a temp repositories file with only the http repos
-	grep ^http: /etc/apk/repositories > $tmpdir/repositories
+	# generate a temp repositories file with only the http(s) repos
+	grep -E "^https?:" /etc/apk/repositories > $tmpdir/repositories
 
 	oldpkg=$(apk fetch --repositories-file $tmpdir/repositories --simulate 2>&1 | sed 's/^Downloading //')
 	if [ "${oldpkg}" = "${pkg}" ]; then