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diff --git a/tests/t0208-mailmap.sh b/tests/t0208-mailmap.sh
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+#!/bin/sh
+
+# The mailmap. A repository whose commits and tag carry an old ident gets a
+# .mailmap at HEAD renaming it, and the log, commit, tag, atom and search
+# pages are checked for the new name, then the flag is turned off globally and
+# for the one repository.
+
+test_description='Check the mailmap is applied to idents'
+CGIT_TEST_NO_CREATE_REPOS=YesPlease
+. ./setup.sh
+
+test_expect_success 'create a repository with a mailmap at its head' '
+	test_create_repo repos/mapped &&
+	(
+		cd repos/mapped &&
+		echo content >file &&
+		git add file &&
+		GIT_AUTHOR_NAME="Old Name" GIT_AUTHOR_EMAIL=old@example.com \
+			git commit -m "first commit" &&
+		GIT_COMMITTER_NAME="Old Name" GIT_COMMITTER_EMAIL=old@example.com \
+			git tag -a -m "a tag" v1 &&
+		echo "New Name <new@example.com> <old@example.com>" >.mailmap &&
+		git add .mailmap &&
+		git commit -m "add the mailmap"
+	)
+'
+
+test_expect_success 'point cgit at it' '
+	cat >cgitrc <<-EOF
+	virtual-root=/
+	cache-size=0
+	repo.url=mapped
+	repo.path=$PWD/repos/mapped/.git
+	EOF
+'
+
+test_expect_success 'the log shows the mapped author' '
+	cgit_url "mapped/log/" >tmp &&
+	grep ">first commit</a>" tmp &&
+	grep "<td class=.col-author.>New Name</td>" tmp &&
+	! grep "Old Name" tmp
+'
+
+test_expect_success 'the commit page shows the mapped author and address' '
+	first=$(git -C repos/mapped rev-parse HEAD~1) &&
+	cgit_url "mapped/commit/&id=$first" >tmp &&
+	grep "<th>author</th><td>New Name &lt;new@example.com&gt;</td>" tmp &&
+	! grep "old@example.com" tmp
+'
+
+test_expect_success 'the tag page shows the mapped tagger' '
+	cgit_url "mapped/tag/&h=v1" >tmp &&
+	grep "New Name &lt;new@example.com&gt;" tmp &&
+	! grep "Old Name" tmp
+'
+
+test_expect_success 'the atom feed uses the mapped name and address' '
+	cgit_url "mapped/atom/" >tmp &&
+	grep "<name>New Name</name>" tmp &&
+	grep "<email>new@example.com</email>" tmp &&
+	! grep "Old Name" tmp
+'
+
+test_expect_success 'the author search matches the mapped name' '
+	cgit_query "url=mapped/log/&qt=author&q=New+Name" >tmp &&
+	grep ">first commit</a>" tmp &&
+	cgit_query "url=mapped/log/&qt=author&q=Nobody" >tmp &&
+	! grep ">first commit</a>" tmp
+'
+
+test_expect_success 'with the flag off the old ident shows' '
+	{
+		echo "enable-mailmap=0" &&
+		cat cgitrc
+	} >cgitrc-off &&
+	CGIT_CONFIG="$PWD/cgitrc-off" QUERY_STRING="url=mapped/log/" cgit >tmp &&
+	grep "<td class=.col-author.>Old Name</td>" tmp
+'
+
+test_expect_success 'the repository flag overrides the global one' '
+	echo "repo.enable-mailmap=0" >>cgitrc &&
+	cgit_url "mapped/log/" >tmp &&
+	grep "<td class=.col-author.>Old Name</td>" tmp
+'
+
+test_done