[PATCH v2 22/25] Add "test-tool dump-reftable" command.

["Han-Wen Nienhuys via GitGitGadget" <gitgitgadget@xxxxxxxxx>]

From: Han-Wen Nienhuys <hanwen@xxxxxxxxxx>

This command dumps individual tables or a stack of of tables.

Signed-off-by: Han-Wen Nienhuys <hanwen@xxxxxxxxxx>
---
 Makefile                 | 1 +
 t/helper/test-reftable.c | 5 +++++
 t/helper/test-tool.c     | 1 +
 t/helper/test-tool.h     | 1 +
 t/t0031-reftable.sh      | 6 ++++++
 5 files changed, 14 insertions(+)

diff --git a/Makefile b/Makefile
index 6d0074939e5..98b8f1a1f9f 100644
--- a/Makefile
+++ b/Makefile
@@ -2471,6 +2471,7 @@ REFTABLE_OBJS += reftable/writer.o
 
 REFTABLE_TEST_OBJS += reftable/basics_test.o
 REFTABLE_TEST_OBJS += reftable/block_test.o
+REFTABLE_TEST_OBJS += reftable/dump.o
 REFTABLE_TEST_OBJS += reftable/merged_test.o
 REFTABLE_TEST_OBJS += reftable/pq_test.o
 REFTABLE_TEST_OBJS += reftable/record_test.o
diff --git a/t/helper/test-reftable.c b/t/helper/test-reftable.c
index 996da85f7b5..26b03d7b789 100644
--- a/t/helper/test-reftable.c
+++ b/t/helper/test-reftable.c
@@ -14,3 +14,8 @@ int cmd__reftable(int argc, const char **argv)
 	tree_test_main(argc, argv);
 	return 0;
 }
+
+int cmd__dump_reftable(int argc, const char **argv)
+{
+	return reftable_dump_main(argc, (char *const *)argv);
+}
diff --git a/t/helper/test-tool.c b/t/helper/test-tool.c
index f7c888ffda7..338a57b104d 100644
--- a/t/helper/test-tool.c
+++ b/t/helper/test-tool.c
@@ -61,6 +61,7 @@ static struct test_cmd cmds[] = {
 	{ "read-midx", cmd__read_midx },
 	{ "ref-store", cmd__ref_store },
 	{ "reftable", cmd__reftable },
+	{ "dump-reftable", cmd__dump_reftable },
 	{ "regex", cmd__regex },
 	{ "repository", cmd__repository },
 	{ "revision-walking", cmd__revision_walking },
diff --git a/t/helper/test-tool.h b/t/helper/test-tool.h
index 25f77469146..48cee1f4a2d 100644
--- a/t/helper/test-tool.h
+++ b/t/helper/test-tool.h
@@ -19,6 +19,7 @@ int cmd__dump_cache_tree(int argc, const char **argv);
 int cmd__dump_fsmonitor(int argc, const char **argv);
 int cmd__dump_split_index(int argc, const char **argv);
 int cmd__dump_untracked_cache(int argc, const char **argv);
+int cmd__dump_reftable(int argc, const char **argv);
 int cmd__example_decorate(int argc, const char **argv);
 int cmd__fast_rebase(int argc, const char **argv);
 int cmd__genrandom(int argc, const char **argv);
diff --git a/t/t0031-reftable.sh b/t/t0031-reftable.sh
index d2b398ba5dc..c76e9042e1d 100755
--- a/t/t0031-reftable.sh
+++ b/t/t0031-reftable.sh
@@ -288,6 +288,12 @@ test_expect_success 'FETCH_HEAD' '
 	test_cmp expect actual
 '
 
+test_expect_success 'dump reftable' '
+	initialize &&
+	hash_id=$(git config extensions.objectformat) &&
+	test-tool dump-reftable $(test "${hash_id}" = "sha256" && echo "-6") -s .git/reftable
+'
+
 . "$TEST_DIRECTORY"/lib-httpd.sh
 start_httpd
 
-- 
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