diff: stop allowing diff to have submodules configured in .git/config

diff --git a/t/t4202-log.sh b/t/t4202-log.sh
index dbed3efeeeeee6ecb4c6cbe7848c18bd684bb2e1..3f3531f0a49be39e29b20a36a55f0d27f04b4fc8 100755 (executable)
--- a/t/t4202-log.sh
+++ b/t/t4202-log.sh
@@ -404,8 +404,20 @@ test_expect_success 'log with various grep.patternType configurations & command-
                        --grep="(1|2)" >actual.fixed.short-arg &&
                git log --pretty=tformat:%s -E \
                        --grep="\|2" >actual.extended.short-arg &&
+               if test_have_prereq PCRE
+               then
+                       git log --pretty=tformat:%s -P \
+                               --grep="[\d]\|" >actual.perl.short-arg
+               else
+                       test_must_fail git log -P \
+                               --grep="[\d]\|"
+               fi &&
                test_cmp expect.fixed actual.fixed.short-arg &&
                test_cmp expect.extended actual.extended.short-arg &&
+               if test_have_prereq PCRE
+               then
+                       test_cmp expect.perl actual.perl.short-arg
+               fi &&
 
                git log --pretty=tformat:%s --fixed-strings \
                        --grep="(1|2)" >actual.fixed.long-arg &&
@@ -547,7 +559,7 @@ cat > expect <<\EOF
 | |
 | |     Merge branch 'side'
 | |
-| * commit side
+| * commit tags/side-2
 | | Author: A U Thor <author@example.com>
 | |
 | |     side-2
@@ -725,6 +737,18 @@ test_expect_success 'log.decorate configuration' '
 
 '
 
+test_expect_success 'log.decorate config parsing' '
+       git log --oneline --decorate=full >expect.full &&
+       git log --oneline --decorate=short >expect.short &&
+
+       test_config log.decorate full &&
+       test_config log.mailmap true &&
+       git log --oneline >actual &&
+       test_cmp expect.full actual &&
+       git log --oneline --decorate=short >actual &&
+       test_cmp expect.short actual
+'
+
 test_expect_success TTY 'log output on a TTY' '
        git log --oneline --decorate >expect.short &&
 
@@ -1528,4 +1552,13 @@ test_expect_success 'log --source paints tag names' '
        test_cmp expect actual
 '
 
+test_expect_success 'log --source paints symmetric ranges' '
+       cat >expect <<-\EOF &&
+       09e12a9 source-b three
+       8e393e1 source-a two
+       EOF
+       git log --oneline --source source-a...source-b >actual &&
+       test_cmp expect actual
+'
+
 test_done