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Add test-index-version

Commit 06aaaa0 may step index format
version up and down, depends on whether extended flags present in the
index. This adds a test to check for index format version.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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1 parent 83b327b commit dbd57f99680eac33626d5058459efd7f118f5170 @pclouds pclouds committed with gitster Aug 20, 2009
Showing with 16 additions and 0 deletions.
  1. +1 −0 .gitignore
  2. +1 −0 Makefile
  3. +14 −0 test-index-version.c
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1 .gitignore
@@ -153,6 +153,7 @@ test-date
test-delta
test-dump-cache-tree
test-genrandom
+test-index-version
test-match-trees
test-parse-options
test-path-utils
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1 Makefile
@@ -1580,6 +1580,7 @@ TEST_PROGRAMS += test-parse-options$X
TEST_PROGRAMS += test-path-utils$X
TEST_PROGRAMS += test-sha1$X
TEST_PROGRAMS += test-sigchain$X
+TEST_PROGRAMS += test-index-version$X
all:: $(TEST_PROGRAMS)
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14 test-index-version.c
@@ -0,0 +1,14 @@
+#include "cache.h"
+
+int main(int argc, const char **argv)
+{
+ struct cache_header hdr;
+ int version;
+
+ memset(&hdr,0,sizeof(hdr));
+ if (read(0, &hdr, sizeof(hdr)) != sizeof(hdr))
+ return 0;
+ version = ntohl(hdr.hdr_version);
+ printf("%d\n", version);
+ return 0;
+}

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