cherry-pick: fix docs describing handling of empty commits

diff --git a/t/test-lib.sh b/t/test-lib.sh
index 569b52dc0fa32f48f37dc0d29771118cc624c5e7..c081668dfe16c85dda29bace564f7c1c3da77cb0 100644 (file)
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -283,7 +283,7 @@ error "Test script did not set test_description."
 
 if test "$help" = "t"
 then
-       echo "$test_description"
+       printf '%s\n' "$test_description"
        exit 0
 fi
 
@@ -334,7 +334,7 @@ test_failure_ () {
        test_failure=$(($test_failure + 1))
        say_color error "not ok $test_count - $1"
        shift
-       echo "$@" | sed -e 's/^/#       /'
+       printf '%s\n' "$*" | sed -e 's/^/#      /'
        test "$immediate" = "" || { GIT_EXIT_OK=t; exit 1; }
 }
 
@@ -655,7 +655,6 @@ else # normal case, use ../bin-wrappers only unless $with_dashes:
        fi
 fi
 GIT_TEMPLATE_DIR="$GIT_BUILD_DIR"/templates/blt
-unset GIT_CONFIG
 GIT_CONFIG_NOSYSTEM=1
 GIT_ATTR_NOSYSTEM=1
 export PATH GIT_EXEC_PATH GIT_TEMPLATE_DIR GIT_CONFIG_NOSYSTEM GIT_ATTR_NOSYSTEM