From 48a3f66f63720822ad0e9e9ca5772d8d92071875 Mon Sep 17 00:00:00 2001
From: Patrick McDermott <patrick.mcdermott@libiquity.com>
Date: Wed, 13 Mar 2019 02:02:05 -0400
Subject: ob-unpacksource: Replace echo with here-document

And drop the unnecessary grep.
---
diff --git a/src/ob-unpacksource.sh b/src/ob-unpacksource.sh
index 06e0ba9..c07a67b 100644
--- a/src/ob-unpacksource.sh
+++ b/src/ob-unpacksource.sh
@@ -78,7 +78,11 @@ get_upstream_dir()
 {
 	upstream_ar_dir="$(tar "-t${upstream_ar_z}f" "${upstream_ar}" | \
 		sed -n 's|^\(\./\)\{0,1\}\([^/]\{1,\}\).*$|\2|p' | sort | uniq)"
-	case "$(echo "${upstream_ar_dir}" | grep -v '^$' | wc -l)" in
+	dir_count="$(wc -l <<-EOF
+		"${upstream_ar_dir}"
+		EOF
+		)"
+	case "${dir_count}" in
 		0)
 			ob_error "$(ob_get_msg 'no_upstream_dirs')"
 			;;
--
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