format-patch: respect --stat in cover letter's diffstat

diff --git a/t/t1400-update-ref.sh b/t/t1400-update-ref.sh
index faf0dfe993d375c885762b2d15706cd8ebe6d577..7c8df2095574f66f6d434f7717228f6f76a2a908 100755 (executable)
--- a/t/t1400-update-ref.sh
+++ b/t/t1400-update-ref.sh
@@ -6,7 +6,7 @@
 test_description='Test git update-ref and basic ref logging'
 . ./test-lib.sh
 
-Z=$_z40
+Z=$ZERO_OID
 
 m=refs/heads/master
 n_dir=refs/heads/gu
@@ -390,7 +390,7 @@ test_expect_success 'Query "master@{2005-05-26 23:33:01}" (middle of history wit
        test_when_finished "rm -f o e" &&
        git rev-parse --verify "master@{2005-05-26 23:33:01}" >o 2>e &&
        test $B = $(cat o) &&
-       test "warning: Log for ref $m has gap after $gd." = "$(cat e)"
+       test_i18ngrep -F "warning: log for ref $m has gap after $gd" e
 '
 test_expect_success 'Query "master@{2005-05-26 23:38:00}" (middle of history)' '
        test_when_finished "rm -f o e" &&
@@ -408,7 +408,7 @@ test_expect_success 'Query "master@{2005-05-28}" (past end of history)' '
        test_when_finished "rm -f o e" &&
        git rev-parse --verify "master@{2005-05-28}" >o 2>e &&
        test $D = $(cat o) &&
-       test "warning: Log for ref $m unexpectedly ended on $ld." = "$(cat e)"
+       test_i18ngrep -F "warning: log for ref $m unexpectedly ended on $ld" e
 '
 
 rm -f .git/$m .git/logs/$m expect
@@ -462,7 +462,7 @@ test_expect_success 'git cat-file blob master@{2005-05-26 23:42}:F (expect OTHER
 test_expect_success 'given old value for missing pseudoref, do not create' '
        test_must_fail git update-ref PSEUDOREF $A $B 2>err &&
        test_path_is_missing .git/PSEUDOREF &&
-       grep "could not read ref" err
+       test_i18ngrep "could not read ref" err
 '
 
 test_expect_success 'create pseudoref' '
@@ -483,7 +483,7 @@ test_expect_success 'overwrite pseudoref with correct old value' '
 test_expect_success 'do not overwrite pseudoref with wrong old value' '
        test_must_fail git update-ref PSEUDOREF $D $E 2>err &&
        test $C = $(cat .git/PSEUDOREF) &&
-       grep "unexpected object ID" err
+       test_i18ngrep "unexpected object ID" err
 '
 
 test_expect_success 'delete pseudoref' '
@@ -495,7 +495,7 @@ test_expect_success 'do not delete pseudoref with wrong old value' '
        git update-ref PSEUDOREF $A &&
        test_must_fail git update-ref -d PSEUDOREF $B 2>err &&
        test $A = $(cat .git/PSEUDOREF) &&
-       grep "unexpected object ID" err
+       test_i18ngrep "unexpected object ID" err
 '
 
 test_expect_success 'delete pseudoref with correct old value' '
@@ -512,7 +512,7 @@ test_expect_success 'do not overwrite pseudoref with old OID zero' '
        test_when_finished git update-ref -d PSEUDOREF &&
        test_must_fail git update-ref PSEUDOREF $B $Z 2>err &&
        test $A = $(cat .git/PSEUDOREF) &&
-       grep "already exists" err
+       test_i18ngrep "already exists" err
 '
 
 # Test --stdin
@@ -650,7 +650,7 @@ test_expect_success 'stdin fails with duplicate refs' '
        create $a $m
        EOF
        test_must_fail git update-ref --stdin <stdin 2>err &&
-       grep "fatal: multiple updates for ref '"'"'$a'"'"' not allowed." err
+       test_i18ngrep "fatal: multiple updates for ref '"'"'$a'"'"' not allowed" err
 '
 
 test_expect_success 'stdin create ref works' '
@@ -1052,7 +1052,7 @@ test_expect_success 'stdin -z fails option with unknown name' '
 test_expect_success 'stdin -z fails with duplicate refs' '
        printf $F "create $a" "$m" "create $b" "$m" "create $a" "$m" >stdin &&
        test_must_fail git update-ref -z --stdin <stdin 2>err &&
-       grep "fatal: multiple updates for ref '"'"'$a'"'"' not allowed." err
+       test_i18ngrep "fatal: multiple updates for ref '"'"'$a'"'"' not allowed" err
 '
 
 test_expect_success 'stdin -z create ref works' '
@@ -1283,7 +1283,7 @@ test_expect_success 'fails with duplicate HEAD update' '
        update HEAD $B
        EOF
        test_must_fail git update-ref --stdin <stdin 2>err &&
-       grep "fatal: multiple updates for '\''HEAD'\'' (including one via its referent .refs/heads/target1.) are not allowed" err &&
+       test_i18ngrep "fatal: multiple updates for '\''HEAD'\'' (including one via its referent .refs/heads/target1.) are not allowed" err &&
        echo "refs/heads/target1" >expect &&
        git symbolic-ref HEAD >actual &&
        test_cmp expect actual &&
@@ -1300,7 +1300,7 @@ test_expect_success 'fails with duplicate ref update via symref' '
        update refs/heads/symref2 $B
        EOF
        test_must_fail git update-ref --stdin <stdin 2>err &&
-       grep "fatal: multiple updates for '\''refs/heads/target2'\'' (including one via symref .refs/heads/symref2.) are not allowed" err &&
+       test_i18ngrep "fatal: multiple updates for '\''refs/heads/target2'\'' (including one via symref .refs/heads/symref2.) are not allowed" err &&
        echo "refs/heads/target2" >expect &&
        git symbolic-ref refs/heads/symref2 >actual &&
        test_cmp expect actual &&