GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
+TEST_PASSES_SANITIZE_LEAK=true
. ./test-lib.sh
test_expect_success 'setup' '
test_cmp expect actual
'
+# Trailers that have unfolded (single line) and folded (multiline) values which
+# are otherwise identical are treated as the same trailer for de-duplication.
+test_expect_success 'shortlog de-duplicates trailers in a single commit (folded/unfolded values)' '
+ git commit --allow-empty -F - <<-\EOF &&
+ subject one
+
+ this message has two distinct values, plus a repeat (folded)
+
+ Repeated-trailer: Foo foo foo
+ Repeated-trailer: Bar
+ Repeated-trailer: Foo
+ foo foo
+ EOF
+
+ git commit --allow-empty -F - <<-\EOF &&
+ subject two
+
+ similar to the previous, but without the second distinct value
+
+ Repeated-trailer: Foo foo foo
+ Repeated-trailer: Foo
+ foo foo
+ EOF
+
+ cat >expect <<-\EOF &&
+ 2 Foo foo foo
+ 1 Bar
+ EOF
+ git shortlog -ns --group=trailer:repeated-trailer -2 HEAD >actual &&
+ test_cmp expect actual
+'
+
test_expect_success 'shortlog can match multiple groups' '
git commit --allow-empty -F - <<-\EOF &&
subject one