[PATCH 1/4] test: fix test_require_external_prereq()

[Dmitry Kurochkin]

test_missing_external_prereq_${binary}_ variable indicates that the
binary is missing.  It must be set in test_declare_external_prereq()
outside of the fake $binary() function.
---
 test/test-lib.sh |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/test/test-lib.sh b/test/test-lib.sh
index 11e6646..d7282ff 100644
--- a/test/test-lib.sh
+++ b/test/test-lib.sh
@@ -554,8 +554,8 @@ test_declare_external_prereq () {
        test "$#" = 2 && name=$2 || name="$binary(1)"

        hash $binary 2>/dev/null || eval "
-$binary () {
        test_missing_external_prereq_${binary}_=t
+$binary () {
        echo -n \"\$test_subtest_missing_external_prereqs_\" | grep -e \" $name 
\" ||
        
test_subtest_missing_external_prereqs_=\"$test_subtest_missing_external_prereqs_
 $name\"
        false
-- 
1.7.7.3