[PATCH v2 01/16] test-lib-functions: introduce test_non_git_might_fail()

[Denton Liu <liu.denton@gmail.com>]

In a future commit, we will be preventing the use of the
test_must_fail()-family of functions (including test_might_fail()) on
non-git comands. To prep for this, introduce the
test_non_git_might_fail() function which is used to replace non-git
invocations of test_might_fail().

The test_non_git_might_fail() function is a lightweight replacement,
always masking the return status of the command and returning a
non-error exit code. Unlike test_might_fail(), it does not check for
abnormal exit conditions such as a segv. This is because we are not in
the business of checking the sanity of the external environment and we
can assume that it works properly.

Signed-off-by: Denton Liu <liu.denton@gmail.com>
---
 t/test-lib-functions.sh | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/t/test-lib-functions.sh b/t/test-lib-functions.sh
index 284c52d076..61d27f1ec6 100644
--- a/t/test-lib-functions.sh
+++ b/t/test-lib-functions.sh
@@ -891,6 +891,15 @@ test_expect_code () {
 	return 1
 } 7>&2 2>&4
 
+# Similar to test_might_fail, but much simpler. This is intended for use
+# with non-git commands that we can assume will work sanely so we don't
+# need to check for conditions such as a segv.
+
+test_non_git_might_fail () {
+	"$@" 2>&7
+	return 0
+}
+
 # test_cmp is a helper function to compare actual and expected output.
 # You can use it like:
 #
-- 
2.24.1.703.g2f499f1283