1 files changed, 141 insertions, 0 deletions
diff --git a/t/t9351-fast-export-anonymize.sh b/t/t9351-fast-export-anonymize.sh
new file mode 100755
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--- /dev/null
+++ b/t/t9351-fast-export-anonymize.sh
@@ -0,0 +1,141 @@
+#!/bin/sh
+
+test_description='basic tests for fast-export --anonymize'
+GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
+export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
+
+. ./test-lib.sh
+
+test_expect_success 'setup simple repo' '
+	test_commit base &&
+	test_commit foo &&
+	test_commit retain-me &&
+	git checkout -b other HEAD^ &&
+	mkdir subdir &&
+	test_commit subdir/bar &&
+	test_commit subdir/xyzzy &&
+	fake_commit=$(echo $ZERO_OID | sed s/0/a/) &&
+	git update-index --add --cacheinfo 160000,$fake_commit,link1 &&
+	git update-index --add --cacheinfo 160000,$fake_commit,link2 &&
+	git commit -m "add gitlink" &&
+	git tag -m "annotated tag" mytag &&
+	git tag -m "annotated tag with long message" longtag
+'
+
+test_expect_success 'export anonymized stream' '
+	git fast-export --anonymize --all \
+		--anonymize-map=retain-me \
+		--anonymize-map=xyzzy:should-not-appear \
+		--anonymize-map=xyzzy:custom-name \
+		--anonymize-map=other \
+		>stream
+'
+
+# this also covers commit messages
+test_expect_success 'stream omits path names' '
+	! grep base stream &&
+	! grep foo stream &&
+	! grep subdir stream &&
+	! grep bar stream &&
+	! grep xyzzy stream
+'
+
+test_expect_success 'stream contains user-specified names' '
+	grep retain-me stream &&
+	! grep should-not-appear stream &&
+	grep custom-name stream
+'
+
+test_expect_success 'stream omits gitlink oids' '
+	# avoid relying on the whole oid to remain hash-agnostic; this is
+	# plenty to be unique within our test case
+	! grep a000000000000000000 stream
+'
+
+test_expect_success 'stream retains other as refname' '
+	grep other stream
+'
+
+test_expect_success 'stream omits other refnames' '
+	! grep main stream &&
+	! grep mytag stream &&
+	! grep longtag stream
+'
+
+test_expect_success 'stream omits identities' '
+	! grep "$GIT_COMMITTER_NAME" stream &&
+	! grep "$GIT_COMMITTER_EMAIL" stream &&
+	! grep "$GIT_AUTHOR_NAME" stream &&
+	! grep "$GIT_AUTHOR_EMAIL" stream
+'
+
+test_expect_success 'stream omits tag message' '
+	! grep "annotated tag" stream
+'
+
+# NOTE: we chdir to the new, anonymized repository
+# after this. All further tests should assume this.
+test_expect_success 'import stream to new repository' '
+	git init new &&
+	cd new &&
+	git fast-import <../stream
+'
+
+test_expect_success 'result has two branches' '
+	git for-each-ref --format="%(refname)" refs/heads >branches &&
+	test_line_count = 2 branches &&
+	other_branch=refs/heads/other &&
+	main_branch=$(grep -v $other_branch branches)
+'
+
+test_expect_success 'repo has original shape and timestamps' '
+	shape () {
+		git log --format="%m %ct" --left-right --boundary "$@"
+	} &&
+	(cd .. && shape main...other) >expect &&
+	shape $main_branch...$other_branch >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'root tree has original shape' '
+	# the output entries are not necessarily in the same
+	# order, but we should at least have the same set of
+	# object types.
+	git -C .. ls-tree HEAD >orig-root &&
+	cut -d" " -f2 <orig-root | sort >expect &&
+	git ls-tree $other_branch >root &&
+	cut -d" " -f2 <root | sort >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'paths in subdir ended up in one tree' '
+	git -C .. ls-tree other:subdir >orig-subdir &&
+	cut -d" " -f2 <orig-subdir | sort >expect &&
+	tree=$(grep tree root | cut -f2) &&
+	git ls-tree $other_branch:$tree >tree &&
+	cut -d" " -f2 <tree >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'identical gitlinks got identical oid' '
+	awk "/commit/ { print \$3 }" <root | sort -u >commits &&
+	test_line_count = 1 commits
+'
+
+test_expect_success 'all tags point to branch tip' '
+	git rev-parse $other_branch >expect &&
+	git for-each-ref --format="%(*objectname)" | grep . | uniq >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'idents are shared' '
+	git log --all --format="%an <%ae>" >authors &&
+	sort -u authors >unique &&
+	test_line_count = 1 unique &&
+	git log --all --format="%cn <%ce>" >committers &&
+	sort -u committers >unique &&
+	test_line_count = 1 unique &&
+	! test_cmp authors committers
+'
+
+test_done