Take advantage of test_write_lines() to generate line-oriented output
rather than using for-loops or a series of `echo` commands. Not only is
test_write_lines() a natural fit for such a task, but there is less
opportunity for a broken &&-chain.
Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Reviewed-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
The test did "reset --hard" (where the HEAD commit has an empty
blob at path "empty") followed by "> empty", expecting that
the index does not notice the file _changed_ since git wrote
it out upon "reset" if the redirection is done quickly enough.
There was no need to do the emptying, and it gave a wrong result
if "reset --hard" happened on time T and then ">empty" happened on
the next second T+1. This fixes it.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
When we see no context nor deleted line in the patch, we used to declare
that the patch creates a new file. But some people create an empty file
and then apply a patch to it. Similarly, a patch that delete everything
is not a deletion patch either.
This commit corrects these two issues. Together with the previous commit,
it allows a diff between an empty file and a line-ful file to be treated
as both creation patch and "add stuff to an existing empty file",
depending on the context. A new test t4126 demonstrates the fix.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
