Merge branch 'ss/cherry-pick-x-doc' into maint

diff --git a/t/test-lib.sh b/t/test-lib.sh
index 7cc9a52cbf78358e545f27cd5b7f69ac2030ecbf..8a274fbe7916c6c2b661757e496788ee8463e664 100644 (file)
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -46,7 +46,16 @@ unset VISUAL
 unset EMAIL
 unset $(perl -e '
        my @env = keys %ENV;
-       my @vars = grep(/^GIT_/ && !/^GIT_(TRACE|DEBUG|USE_LOOKUP)/, @env);
+       my $ok = join("|", qw(
+               TRACE
+               DEBUG
+               USE_LOOKUP
+               TEST
+               .*_TEST
+               PROVE
+               VALGRIND
+       ));
+       my @vars = grep(/^GIT_/ && !/^GIT_($ok)/o, @env);
        print join("\n", @vars);
 ')
 GIT_AUTHOR_EMAIL=author@example.com
@@ -80,6 +89,9 @@ esac
 _x05='[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]'
 _x40="$_x05$_x05$_x05$_x05$_x05$_x05$_x05$_x05"
 
+# Zero SHA-1
+_z40=0000000000000000000000000000000000000000
+
 # Each test should start with something like this, after copyright notices:
 #
 # test_description='Description of this test...
@@ -984,14 +996,14 @@ rm -fr "$test" || {
        exit 1
 }
 
+HOME="$TRASH_DIRECTORY"
+export HOME
+
 test_create_repo "$test"
 # Use -P to resolve symlinks in our working directory so that the cwd
 # in subprocesses like git equals our $PWD (for pathname comparisons).
 cd -P "$test" || exit 1
 
-HOME=$(pwd)
-export HOME
-
 this_test=${0##*/}
 this_test=${this_test%%-*}
 for skp in $GIT_SKIP_TESTS