[PATCH v4 0/2] i18n: make GETTEXT_POISON a runtime option

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Addresses all the feedback against v3. Includes a patch by Junio
sitting in "pu" (and I fixed the grammar error Eric pointed out in its
commit message).

Range-diff:

1:  cc24ba8de8 ! 1:  2210ee8bd9 i18n: make GETTEXT_POISON a runtime option
    @@ -34,11 +34,11 @@
     
         Notes on the implementation:
     
    -     * We still compile a dedicated GETTEXT_POISON build in Travis CI.
    -       This is probably the wrong thing to do and should be followed-up
    -       with something similar to ae59a4e44f ("travis: run tests with
    -       GIT_TEST_SPLIT_INDEX", 2018-01-07) to re-use an existing test setup
    -       for running in the GIT_TEST_GETTEXT_POISON mode.
    +     * We still compile a dedicated GETTEXT_POISON build in Travis
    +       CI. Perhaps this should be revisited and integrated into the
    +       "linux-gcc" build, see ae59a4e44f ("travis: run tests with
    +       GIT_TEST_SPLIT_INDEX", 2018-01-07) for prior art in that area. Then
    +       again maybe not, see [2].
     
          * We now skip a test in t0000-basic.sh under
            GIT_TEST_GETTEXT_POISON=YesPlease that wasn't skipped before. This
    @@ -56,12 +56,22 @@
            so we populate the "poison_requested" variable in a codepath that's
            won't suffer from that race condition.
     
    -    See also [3] for more on the motivation behind this patch, and the
    +     * We error out in the Makefile if you're still saying
    +       GETTEXT_POISON=YesPlease to prompt users to change their
    +       invocation.
    +
    +     * We should not print out poisoned messages during the test
    +       initialization itself to keep it more readable, so the test library
    +       hides the variable if set in $GIT_TEST_GETTEXT_POISON_ORIG during
    +       setup. See [3].
    +
    +    See also [4] for more on the motivation behind this patch, and the
         history of the GETTEXT_POISON facility.
     
         1. https://public-inbox.org/git/871s8gd32p.fsf@xxxxxxxxxxxxxxxxxxx/
    -    2. https://public-inbox.org/git/87woq7b58k.fsf@xxxxxxxxxxxxxxxxxxx/
    -    3. https://public-inbox.org/git/878t2pd6yu.fsf@xxxxxxxxxxxxxxxxxxx/
    +    2. https://public-inbox.org/git/20181102163725.GY30222@xxxxxxxxxx/
    +    3. https://public-inbox.org/git/20181022202241.18629-2-szeder.dev@xxxxxxxxx/
    +    4. https://public-inbox.org/git/878t2pd6yu.fsf@xxxxxxxxxxxxxxxxxxx/
     
         Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@xxxxxxxxx>
     
    @@ -181,7 +191,7 @@
      #else
      static inline void git_setup_gettext(void)
      {
    -+	use_gettext_poison();; /* getenv() reentrancy paranoia */
    ++	use_gettext_poison(); /* getenv() reentrancy paranoia */
      }
      static inline int gettext_width(const char *s)
      {
    @@ -392,8 +402,32 @@
      --- a/t/test-lib.sh
      +++ b/t/test-lib.sh
     @@
    + TZ=UTC
    + export LANG LC_ALL PAGER TZ
    + EDITOR=:
    ++
    ++# GIT_TEST_GETTEXT_POISON should not influence git commands executed
    ++# during initialization of test-lib and the test repo. Back it up,
    ++# unset and then restore after initialization is finished.
    ++if test -n "$GIT_TEST_GETTEXT_POISON"
    ++then
    ++	GIT_TEST_GETTEXT_POISON_ORIG=$GIT_TEST_GETTEXT_POISON
    ++	unset GIT_TEST_GETTEXT_POISON
    ++fi
    ++
    + # A call to "unset" with no arguments causes at least Solaris 10
    + # /usr/xpg4/bin/sh and /bin/ksh to bail out.  So keep the unsets
    + # deriving from the command substitution clustered with the other
    +@@
    + test -n "$USE_LIBPCRE2" && test_set_prereq LIBPCRE2
      test -z "$NO_GETTEXT" && test_set_prereq GETTEXT
      
    ++if test -n "$GIT_TEST_GETTEXT_POISON_ORIG"
    ++then
    ++	GIT_TEST_GETTEXT_POISON=$GIT_TEST_GETTEXT_POISON_ORIG
    ++	unset GIT_TEST_GETTEXT_POISON_ORIG
    ++fi
    ++
      # Can we rely on git's output in the C locale?
     -if test -n "$GETTEXT_POISON"
     +if test -z "$GIT_TEST_GETTEXT_POISON"
-:  ---------- > 2:  a6948d936a Makefile: ease dynamic-gettext-poison transition


Junio C Hamano (1):
  Makefile: ease dynamic-gettext-poison transition

Ævar Arnfjörð Bjarmason (1):
  i18n: make GETTEXT_POISON a runtime option

 .travis.yml               |  2 +-
 Makefile                  |  8 +-------
 ci/lib-travisci.sh        |  4 ++--
 gettext.c                 | 11 +++++++----
 gettext.h                 |  9 +++------
 git-sh-i18n.sh            |  2 +-
 po/README                 | 13 ++++---------
 t/README                  |  6 ++++++
 t/lib-gettext.sh          |  2 +-
 t/t0000-basic.sh          |  2 +-
 t/t0205-gettext-poison.sh |  8 +++++---
 t/t3406-rebase-message.sh |  2 +-
 t/t7201-co.sh             |  6 +++---
 t/t9902-completion.sh     |  3 ++-
 t/test-lib-functions.sh   |  8 ++++----
 t/test-lib.sh             | 22 +++++++++++++++++-----
 16 files changed, 59 insertions(+), 49 deletions(-)

-- 
2.19.1.930.g4563a0d9d0




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