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[PATCH v2 0/2] Fixup for js/mingw-o-append




The recent change mingw O_APPEND change breaks writing to named pipes on
Windows. The first commit adds a new test to confirm the breakage and the
second commit fixes the problem. These could be squashed together or we can
just keep the fix and omit the test if that would be better.

d641097589 (js/mingw-o-append) mingw: enable atomic O_APPEND

The new mingw_open_append() routine successfully opens the client side of
the named pipe, but the first write() to it fails with EBADF. Adding the
FILE_WRITE_DATA corrects the problem.

 Signed-off-by: Jeff Hostetler jeffhost@xxxxxxxxxxxxx
[jeffhost@xxxxxxxxxxxxx]

Cc: j6t@kdbg.orgCc: johannes.schindelin@xxxxxxxx: gitster@pobox.comCc: 
peff@xxxxxxxx

Jeff Hostetler (2):
  t0051: test GIT_TRACE to a windows named pipe
  mingw: fix mingw_open_append to work with named pipes

 Makefile                           |  1 +
 compat/mingw.c                     | 38 ++++++++++++++--
 t/helper/test-tool.c               |  3 ++
 t/helper/test-tool.h               |  3 ++
 t/helper/test-windows-named-pipe.c | 72 ++++++++++++++++++++++++++++++
 t/t0051-windows-named-pipe.sh      | 17 +++++++
 6 files changed, 131 insertions(+), 3 deletions(-)
 create mode 100644 t/helper/test-windows-named-pipe.c
 create mode 100755 t/t0051-windows-named-pipe.sh


base-commit: d641097589160eb795127d8dbcb14c877c217b60
Published-As: https://github.com/gitgitgadget/git/releases/tags/pr-35%2Fjeffhostetler%2Ffixup-mingw-o-append-v2
Fetch-It-Via: git fetch https://github.com/gitgitgadget/git pr-35/jeffhostetler/fixup-mingw-o-append-v2
Pull-Request: https://github.com/gitgitgadget/git/pull/35

Range-diff vs v1:

 1:  03453cb521 ! 1:  ecb30eb47c t0051: test GIT_TRACE to a windows named pipe
     @@ -140,7 +140,7 @@
      +
      +. ./test-lib.sh
      +
     -+test_expect_success MINGW 'o_append write to named pipe' '
     ++test_expect_failure MINGW 'o_append write to named pipe' '
      +	GIT_TRACE="$(pwd)/expect" git status >/dev/null 2>&1 &&
      +	{ test-tool windows-named-pipe t0051 >actual 2>&1 & } &&
      +	pid=$! &&
 2:  f433937d55 < -:  ---------- mingw: fix mingw_open_append to work with named pipes
 -:  ---------- > 2:  f0361dd306 mingw: fix mingw_open_append to work with named pipes

-- 
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