conditional markdown preprocessing

diff --git a/t/test-lib.sh b/t/test-lib.sh
index 901f57915193e952c23a5f7ae4a1f8a7e60254d2..ee602c4d9cd79f08a3cfcbafaf81051937f57f0b 100644 (file)
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -388,7 +388,6 @@ unset VISUAL EMAIL LANGUAGE COLUMNS $("$PERL_PATH" -e '
        my @env = keys %ENV;
        my $ok = join("|", qw(
                TRACE
-               TR2_
                DEBUG
                TEST
                .*_TEST
@@ -510,6 +509,9 @@ EMPTY_BLOB=e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
 LF='
 '
 
+# Single quote
+SQ=\'
+
 # UTF-8 ZERO WIDTH NON-JOINER, which HFS+ ignores
 # when case-folding filenames
 u200c=$(printf '\342\200\214')
@@ -1391,6 +1393,25 @@ yes () {
        done
 }
 
+# The GIT_TEST_FAIL_PREREQS code hooks into test_set_prereq(), and
+# thus needs to be set up really early, and set an internal variable
+# for convenience so the hot test_set_prereq() codepath doesn't need
+# to call "git env--helper". Only do that work if needed by seeing if
+# GIT_TEST_FAIL_PREREQS is set at all.
+GIT_TEST_FAIL_PREREQS_INTERNAL=
+if test -n "$GIT_TEST_FAIL_PREREQS"
+then
+       if git env--helper --type=bool --default=0 --exit-code GIT_TEST_FAIL_PREREQS
+       then
+               GIT_TEST_FAIL_PREREQS_INTERNAL=true
+               test_set_prereq FAIL_PREREQS
+       fi
+else
+       test_lazy_prereq FAIL_PREREQS '
+               git env--helper --type=bool --default=0 --exit-code GIT_TEST_FAIL_PREREQS
+       '
+fi
+
 # Fix some commands on Windows
 uname_s=$(uname -s)
 case $uname_s in
@@ -1445,11 +1466,9 @@ then
        unset GIT_TEST_GETTEXT_POISON_ORIG
 fi
 
-# Can we rely on git's output in the C locale?
-if test -z "$GIT_TEST_GETTEXT_POISON"
-then
-       test_set_prereq C_LOCALE_OUTPUT
-fi
+test_lazy_prereq C_LOCALE_OUTPUT '
+       ! git env--helper --type=bool --default=0 --exit-code GIT_TEST_GETTEXT_POISON
+'
 
 if test -z "$GIT_TEST_CHECK_CACHE_TREE"
 then