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https://git.proxmox.com/git/libgit2
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cf0582b43c
Though unusual, a packfile may contain a delta whose base is a delta that comes later. In order index such a packfile, we must not give up on the first failure to resolve a delta, but keep it around. If there is a pass which makes no progress, this indicates that the packfile is broken, so fail accordingly.
41 lines
1.5 KiB
C
41 lines
1.5 KiB
C
#include "clar_libgit2.h"
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#include "fileops.h"
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#include "hash.h"
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#include "iterator.h"
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#include "vector.h"
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#include "posix.h"
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/*
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* This is a packfile with three objects. The second is a delta which
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* depends on the third, which is also a delta.
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*/
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unsigned char out_of_order_pack[] = {
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0x50, 0x41, 0x43, 0x4b, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x03,
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0x32, 0x78, 0x9c, 0x63, 0x67, 0x00, 0x00, 0x00, 0x10, 0x00, 0x08, 0x76,
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0xe6, 0x8f, 0xe8, 0x12, 0x9b, 0x54, 0x6b, 0x10, 0x1a, 0xee, 0x95, 0x10,
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0xc5, 0x32, 0x8e, 0x7f, 0x21, 0xca, 0x1d, 0x18, 0x78, 0x9c, 0x63, 0x62,
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0x66, 0x4e, 0xcb, 0xcf, 0x07, 0x00, 0x02, 0xac, 0x01, 0x4d, 0x75, 0x01,
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0xd7, 0x71, 0x36, 0x66, 0xf4, 0xde, 0x82, 0x27, 0x76, 0xc7, 0x62, 0x2c,
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0x10, 0xf1, 0xb0, 0x7d, 0xe2, 0x80, 0xdc, 0x78, 0x9c, 0x63, 0x62, 0x62,
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0x62, 0xb7, 0x03, 0x00, 0x00, 0x69, 0x00, 0x4c, 0xde, 0x7d, 0xaa, 0xe4,
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0x19, 0x87, 0x58, 0x80, 0x61, 0x09, 0x9a, 0x33, 0xca, 0x7a, 0x31, 0x92,
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0x6f, 0xae, 0x66, 0x75
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};
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unsigned int out_of_order_pack_len = 112;
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void test_pack_indexer__out_of_order(void)
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{
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git_indexer_stream *idx;
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git_transfer_progress stats;
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cl_git_pass(git_indexer_stream_new(&idx, ".", NULL, NULL, NULL));
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cl_git_pass(git_indexer_stream_add(idx, out_of_order_pack, out_of_order_pack_len, &stats));
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cl_git_pass(git_indexer_stream_finalize(idx, &stats));
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cl_assert_equal_i(stats.total_objects, 3);
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cl_assert_equal_i(stats.received_objects, 3);
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cl_assert_equal_i(stats.indexed_objects, 3);
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git_indexer_stream_free(idx);
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}
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