[PATCH] Shell programming: directories are ``executable'' (that is, searchable), too.

[Thomas Schwinge]

Signed-off-by: Thomas Schwinge <thomas at schwinge.name>
---
 test/test-lib.sh |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/test/test-lib.sh b/test/test-lib.sh
index f536172..3471ead 100755
--- a/test/test-lib.sh
+++ b/test/test-lib.sh
@@ -815,13 +815,14 @@ EOF
 }
 
 
+# Locate the directory containing the `notmuch' executable we are to use.
 find_notmuch_path ()
 {
     dir="$1"
 
     while [ -n "$dir" ]; do
 	bin="$dir/notmuch"
-	if [ -x "$bin" ]; then
+	if [ -f "$bin" -a -x "$bin" ]; then
 	    echo "$dir"
 	    return
 	fi
@@ -858,7 +859,7 @@ then
 
 	make_valgrind_symlink () {
 		# handle only executables
-		test -x "$1" || return
+		test -f "$1" -a -x "$1" || return
 
 		base=$(basename "$1")
 		symlink_target=$TEST_DIRECTORY/../$base
-- 
1.7.1