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1ff750b128
Change the GIT_TEST_GETTEXT_POISON variable from being "non-empty?" to
being a more standard boolean variable.
Since it needed to be checked in both C code and shellscript (via test
-n) it was one of the remaining shellscript-like variables. Now that
we have "env--helper" we can change that.
There's a couple of tricky edge cases that arise because we're using
git_env_bool() early, and the config-reading "env--helper".
If GIT_TEST_GETTEXT_POISON is set to an invalid value die_bad_number()
will die, but to do so it would usually call gettext(). Let's detect
the special case of GIT_TEST_GETTEXT_POISON and always emit that
message in the C locale, lest we infinitely loop.
As seen in the updated tests in t0017-env-helper.sh there's also a
caveat related to "env--helper" needing to read the config for trace2
purposes.
Since the C_LOCALE_OUTPUT prerequisite is lazy and relies on
"env--helper" we could get invalid results if we failed to read the
config (e.g. because we'd loop on includes) when combined with
e.g. "test_i18ngrep" wanting to check with "env--helper" if
GIT_TEST_GETTEXT_POISON was true or not.
I'm crossing my fingers and hoping that a test similar to the one I
removed in the earlier "config tests: simplify include cycle test"
change in this series won't happen again, and testing for this
explicitly in "env--helper"'s own tests.
This change breaks existing uses of
e.g. GIT_TEST_GETTEXT_POISON=YesPlease, which we've documented in
po/README and other places. As noted in [1] we might want to consider
also accepting "YesPlease" in "env--helper" as a special-case.
But as the lack of uproar over 6cdccfce1e ("i18n: make GETTEXT_POISON
a runtime option", 2018-11-08) demonstrates the audience for this
option is a really narrow set of git developers, who shouldn't have
much trouble modifying their test scripts, so I think it's better to
deal with that minor headache now and make all the relevant GIT_TEST_*
variables boolean in the same way than carry the "YesPlease"
special-case forward.
1. https://public-inbox.org/git/xmqqtvckm3h8.fsf@gitster-ct.c.googlers.com/
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
111 lines
2.4 KiB
Bash
111 lines
2.4 KiB
Bash
# This shell library is Git's interface to gettext.sh. See po/README
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# for usage instructions.
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#
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# Copyright (c) 2010 Ævar Arnfjörð Bjarmason
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#
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# Export the TEXTDOMAIN* data that we need for Git
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TEXTDOMAIN=git
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export TEXTDOMAIN
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if test -z "$GIT_TEXTDOMAINDIR"
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then
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TEXTDOMAINDIR="@@LOCALEDIR@@"
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else
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TEXTDOMAINDIR="$GIT_TEXTDOMAINDIR"
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fi
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export TEXTDOMAINDIR
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# First decide what scheme to use...
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GIT_INTERNAL_GETTEXT_SH_SCHEME=fallthrough
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if test -n "$GIT_TEST_GETTEXT_POISON" &&
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git env--helper --type=bool --default=0 --exit-code \
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GIT_TEST_GETTEXT_POISON
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then
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GIT_INTERNAL_GETTEXT_SH_SCHEME=poison
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elif test -n "@@USE_GETTEXT_SCHEME@@"
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then
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GIT_INTERNAL_GETTEXT_SH_SCHEME="@@USE_GETTEXT_SCHEME@@"
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elif test -n "$GIT_INTERNAL_GETTEXT_TEST_FALLBACKS"
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then
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: no probing necessary
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elif type gettext.sh >/dev/null 2>&1
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then
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# GNU libintl's gettext.sh
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GIT_INTERNAL_GETTEXT_SH_SCHEME=gnu
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elif test "$(gettext -h 2>&1)" = "-h"
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then
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# gettext binary exists but no gettext.sh. likely to be a gettext
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# binary on a Solaris or something that is not GNU libintl and
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# lack eval_gettext.
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GIT_INTERNAL_GETTEXT_SH_SCHEME=gettext_without_eval_gettext
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fi
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export GIT_INTERNAL_GETTEXT_SH_SCHEME
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# ... and then follow that decision.
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case "$GIT_INTERNAL_GETTEXT_SH_SCHEME" in
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gnu)
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# Use libintl's gettext.sh, or fall back to English if we can't.
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. gettext.sh
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;;
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gettext_without_eval_gettext)
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# Solaris has a gettext(1) but no eval_gettext(1)
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eval_gettext () {
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gettext "$1" | (
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export PATH $(git sh-i18n--envsubst --variables "$1");
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git sh-i18n--envsubst "$1"
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)
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}
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eval_ngettext () {
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ngettext "$1" "$2" "$3" | (
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export PATH $(git sh-i18n--envsubst --variables "$2");
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git sh-i18n--envsubst "$2"
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)
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}
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;;
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poison)
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# Emit garbage so that tests that incorrectly rely on translatable
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# strings will fail.
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gettext () {
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printf "%s" "# GETTEXT POISON #"
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}
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eval_gettext () {
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printf "%s" "# GETTEXT POISON #"
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}
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eval_ngettext () {
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printf "%s" "# GETTEXT POISON #"
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}
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;;
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*)
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gettext () {
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printf "%s" "$1"
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}
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eval_gettext () {
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printf "%s" "$1" | (
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export PATH $(git sh-i18n--envsubst --variables "$1");
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git sh-i18n--envsubst "$1"
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)
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}
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eval_ngettext () {
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(test "$3" = 1 && printf "%s" "$1" || printf "%s" "$2") | (
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export PATH $(git sh-i18n--envsubst --variables "$2");
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git sh-i18n--envsubst "$2"
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)
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}
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;;
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esac
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# Git-specific wrapper functions
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gettextln () {
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gettext "$1"
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echo
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}
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eval_gettextln () {
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eval_gettext "$1"
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echo
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}
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