[PATCH v2 05/11] multi-pack-index: verify missing pack

[Derrick Stolee via GitGitGadget]

From: Derrick Stolee <dsto...@microsoft.com>

Signed-off-by: Derrick Stolee <dsto...@microsoft.com>
---
 midx.c                      | 16 ++++++++++++++++
 t/t5319-multi-pack-index.sh |  5 +++++
 2 files changed, 21 insertions(+)

diff --git a/midx.c b/midx.c
index e655a15aed..a02b19efc1 100644
--- a/midx.c
+++ b/midx.c
@@ -926,13 +926,29 @@ void clear_midx_file(const char *object_dir)
 
 int verify_midx_error;
 
+static void midx_report(const char *fmt, ...)
+{
+       va_list ap;
+       verify_midx_error = 1;
+       va_start(ap, fmt);
+       vfprintf(stderr, fmt, ap);
+       fprintf(stderr, "\n");
+       va_end(ap);
+}
+
 int verify_midx_file(const char *object_dir)
 {
+       uint32_t i;
        struct multi_pack_index *m = load_multi_pack_index(object_dir, 1);
        verify_midx_error = 0;
 
        if (!m)
                return 0;
 
+       for (i = 0; i < m->num_packs; i++) {
+               if (prepare_midx_pack(m, i))
+                       midx_report("failed to load pack in position %d", i);
+       }
+
        return verify_midx_error;
 }
diff --git a/t/t5319-multi-pack-index.sh b/t/t5319-multi-pack-index.sh
index 01a3cd6b00..0a566afb05 100755
--- a/t/t5319-multi-pack-index.sh
+++ b/t/t5319-multi-pack-index.sh
@@ -222,6 +222,11 @@ test_expect_success 'verify packnames out of order' '
                "pack names out of order"
 '
 
+test_expect_success 'verify packnames out of order' '
+       corrupt_midx_and_verify $MIDX_BYTE_PACKNAME_ORDER "a" $objdir \
+               "failed to load pack"
+'
+
 test_expect_success 'repack removes multi-pack-index' '
        test_path_is_file $objdir/pack/multi-pack-index &&
        git repack -adf &&
-- 
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