Re: [PATCH] Poison gettext with the Ook language

@@ -362,11 +362,6 @@ all::
 # Define HAVE_DEV_TTY if your system can open /dev/tty to interact with the
 # user.
 #
-# Define GETTEXT_POISON if you are debugging the choice of strings marked
-# for translation.  In a GETTEXT_POISON build, you can turn all strings marked
-# for translation into gibberish by setting the GIT_GETTEXT_POISON variable
-# (to any value) in your environment.
-#
 # Define JSMIN to point to JavaScript minifier that functions as
 # a filter to have gitweb.js minified.
 #

@@ -714,6 +709,7 @@ TEST_BUILTINS_OBJS += test-dump-split-index.o
 TEST_BUILTINS_OBJS += test-dump-untracked-cache.o
 TEST_BUILTINS_OBJS += test-example-decorate.o
 TEST_BUILTINS_OBJS += test-genrandom.o
+TEST_BUILTINS_OBJS += test-gettext-poison.o
 TEST_BUILTINS_OBJS += test-hashmap.o
 TEST_BUILTINS_OBJS += test-index-version.o
 TEST_BUILTINS_OBJS += test-json-writer.o

@@ -1439,9 +1435,6 @@ endif
 ifdef NO_SYMLINK_HEAD
 	BASIC_CFLAGS += -DNO_SYMLINK_HEAD
 endif
-ifdef GETTEXT_POISON
-	BASIC_CFLAGS += -DGETTEXT_POISON
-endif
 ifdef NO_GETTEXT
 	BASIC_CFLAGS += -DNO_GETTEXT
 	USE_GETTEXT_SCHEME ?= fallthrough

@@ -2591,7 +2584,6 @@ ifdef GIT_TEST_CMP_USE_COPIED_CONTEXT
 	@echo GIT_TEST_CMP_USE_COPIED_CONTEXT=YesPlease >>$@+
 endif
 	@echo NO_GETTEXT=\''$(subst ','\'',$(subst ','\'',$(NO_GETTEXT)))'\' >>$@+
-	@echo GETTEXT_POISON=\''$(subst ','\'',$(subst ','\'',$(GETTEXT_POISON)))'\' >>$@+
 ifdef GIT_PERF_REPEAT_COUNT
 	@echo GIT_PERF_REPEAT_COUNT=\''$(subst ','\'',$(subst ','\'',$(GIT_PERF_REPEAT_COUNT)))'\' >>$@+
 endif

@@ -46,15 +46,13 @@ const char *get_preferred_languages(void)
 	return NULL;
 }

-#ifdef GETTEXT_POISON
 int use_gettext_poison(void)
 {
 	static int poison_requested = -1;
 	if (poison_requested == -1)
-		poison_requested = getenv("GIT_GETTEXT_POISON") ? 1 : 0;
+		poison_requested = git_env_bool("GIT_GETTEXT_POISON", 0);
 	return poison_requested;
 }
-#endif

 #ifndef NO_GETTEXT
 static int test_vsnprintf(const char *fmt, ...)

@@ -41,11 +41,7 @@ static inline int gettext_width(const char *s)
 }
 #endif

-#ifdef GETTEXT_POISON
 extern int use_gettext_poison(void);
-#else
-#define use_gettext_poison() 0
-#endif

 static inline FORMAT_PRESERVING(1) const char *_(const char *msgid)
 {

@@ -289,16 +289,11 @@ something in the test suite might still depend on the US English
 version of the strings, e.g. to grep some error message or other
 output.

-To smoke out issues like these Git can be compiled with gettext poison
-support, at the top-level:
+To smoke out issues like these Git tested with a translation mode that
+emits gibberish on every call to gettext. To use it run the test suite
+with it, e.g.:

-    make GETTEXT_POISON=YesPlease
-
-That'll give you a git which emits gibberish on every call to
-gettext. It's obviously not meant to be installed, but you should run
-the test suite with it:
-
-    cd t && prove -j 9 ./t[0-9]*.sh
+    cd t && GIT_GETTEXT_POISON=true prove -j 9 ./t[0-9]*.sh

 If tests break with it you should inspect them manually and see if
 what you're translating is sane, i.e. that you're not translating

@@ -301,6 +301,11 @@ that cannot be easily covered by a few specific test cases. These
 could be enabled by running the test suite with correct GIT_TEST_
 environment set.

+GIT_GETTEXT_POISON=<boolean> turns all strings marked for translation
+into gibberish. Used for spotting those tests that need to be marked
+with a C_LOCALE_OUTPUT prerequisite when adding more strings for
+translation. See "Testing marked strings" in po/README for details.
+
 GIT_TEST_SPLIT_INDEX=<boolean> forces split-index mode on the whole
 test suite. Accept any boolean values that are accepted by git-config.

@@ -19,6 +19,7 @@ static struct test_cmd cmds[] = {
 	{ "dump-untracked-cache", cmd__dump_untracked_cache },
 	{ "example-decorate", cmd__example_decorate },
 	{ "genrandom", cmd__genrandom },
+	{ "gettext-poison", cmd__gettext_poison },
 	{ "hashmap", cmd__hashmap },
 	{ "index-version", cmd__index_version },
 	{ "json-writer", cmd__json_writer },

@@ -15,6 +15,7 @@ int cmd__dump_split_index(int argc, const char **argv);
 int cmd__dump_untracked_cache(int argc, const char **argv);
 int cmd__example_decorate(int argc, const char **argv);
 int cmd__genrandom(int argc, const char **argv);
+int cmd__gettext_poison(int argc, const char **argv);
 int cmd__hashmap(int argc, const char **argv);
 int cmd__index_version(int argc, const char **argv);
 int cmd__json_writer(int argc, const char **argv);

@@ -755,16 +755,16 @@ test_cmp_bin() {

 # Use this instead of test_cmp to compare files that contain expected and
 # actual output from git commands that can be translated.  When running
-# under GETTEXT_POISON this pretends that the command produced expected
+# under GIT_GETTEXT_POISON this pretends that the command produced expected
 # results.
 test_i18ncmp () {
-	test -n "$GETTEXT_POISON" || test_cmp "$@"
+	! test_have_prereq C_LOCALE_OUTPUT || test_cmp "$@"
 }

 # Use this instead of "grep expected-string actual" to see if the
 # output from a git command that can be translated either contains an
 # expected string, or does not contain an unwanted one.  When running
-# under GETTEXT_POISON this pretends that the command produced expected
+# under GIT_GETTEXT_POISON this pretends that the command produced expected
 # results.
 test_i18ngrep () {
 	eval "last_arg=\${$#}"

@@ -779,7 +779,7 @@ test_i18ngrep () {
 		error "bug in the test script: too few parameters to test_i18ngrep"
 	fi

-	if test -n "$GETTEXT_POISON"
+	if ! test_have_prereq C_LOCALE_OUTPUT
 	then
 		# pretend success
 		return 0

@@ -105,6 +105,7 @@ unset VISUAL EMAIL LANGUAGE COLUMNS $("$PERL_PATH" -e '
 		TRACE
 		DEBUG
 		TEST
+		GETTEXT_POISON
 		.*_TEST
 		PROVE
 		VALGRIND

@@ -1104,15 +1105,8 @@ test -n "$USE_LIBPCRE1" && test_set_prereq LIBPCRE1
 test -n "$USE_LIBPCRE2" && test_set_prereq LIBPCRE2
 test -z "$NO_GETTEXT" && test_set_prereq GETTEXT

-# Can we rely on git's output in the C locale?
-if test -n "$GETTEXT_POISON"
-then
-	GIT_GETTEXT_POISON=YesPlease
-	export GIT_GETTEXT_POISON
-	test_set_prereq GETTEXT_POISON
-else
-	test_set_prereq C_LOCALE_OUTPUT
-fi
+test_lazy_prereq GETTEXT_POISON 'test-tool gettext-poison'
+test_lazy_prereq C_LOCALE_OUTPUT '! test-tool gettext-poison'

 if test -z "$GIT_TEST_CHECK_CACHE_TREE"
 then