From 5b32c55201104265a092403b0cd490a00989d8f3 Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pjm@nac.net>
Date: Sat, 10 Nov 2012 15:49:53 -0500
Subject: Make ob-unpacksource a bit more robust.

Some tar archives (e.g. the GNU Binutils source archive) don't have
explicit directory entries.
---
diff --git a/src/ob-unpacksource.sh b/src/ob-unpacksource.sh
index a603393..2454189 100644
--- a/src/ob-unpacksource.sh
+++ b/src/ob-unpacksource.sh
@@ -107,8 +107,8 @@ get_upstream_compression()
 
 get_upstream_dir()
 {
-	upstream_ar_dir="$(tar "-t${upstream_ar_z}f" \
-		"${upstream_ar}" | sed -n 's@^\(\./\|\)\([^/]*\)\(/\|\)$@\2@p')"
+	upstream_ar_dir="$(tar "-t${upstream_ar_z}f" "${upstream_ar}" | \
+		sed -n 's@^\(\./\|\)\([^/]*\)\(/\|\).*$@\2@p' | sort | uniq)"
 	case "$(echo "${upstream_ar_dir}" | grep -v '^$' | wc -l)" in
 		0)
 			ob_error "$(ob_get_msg 'no_upstream_dirs')"
--
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