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#include "clar_libgit2.h"
#include <git2.h>
#include "fileops.h"
#include "hash.h"
#include "iterator.h"
#include "vector.h"
#include "posix.h"
/*
* This is a packfile with three objects. The second is a delta which
* depends on the third, which is also a delta.
*/
static const unsigned char out_of_order_pack[] = {
0x50, 0x41, 0x43, 0x4b, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x03,
0x32, 0x78, 0x9c, 0x63, 0x67, 0x00, 0x00, 0x00, 0x10, 0x00, 0x08, 0x76,
0xe6, 0x8f, 0xe8, 0x12, 0x9b, 0x54, 0x6b, 0x10, 0x1a, 0xee, 0x95, 0x10,
0xc5, 0x32, 0x8e, 0x7f, 0x21, 0xca, 0x1d, 0x18, 0x78, 0x9c, 0x63, 0x62,
0x66, 0x4e, 0xcb, 0xcf, 0x07, 0x00, 0x02, 0xac, 0x01, 0x4d, 0x75, 0x01,
0xd7, 0x71, 0x36, 0x66, 0xf4, 0xde, 0x82, 0x27, 0x76, 0xc7, 0x62, 0x2c,
0x10, 0xf1, 0xb0, 0x7d, 0xe2, 0x80, 0xdc, 0x78, 0x9c, 0x63, 0x62, 0x62,
0x62, 0xb7, 0x03, 0x00, 0x00, 0x69, 0x00, 0x4c, 0xde, 0x7d, 0xaa, 0xe4,
0x19, 0x87, 0x58, 0x80, 0x61, 0x09, 0x9a, 0x33, 0xca, 0x7a, 0x31, 0x92,
0x6f, 0xae, 0x66, 0x75
};
static const unsigned int out_of_order_pack_len = 112;
/*
* Packfile with two objects. The second is a delta against an object
* which is not in the packfile
*/
static const unsigned char thin_pack[] = {
0x50, 0x41, 0x43, 0x4b, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x02,
0x32, 0x78, 0x9c, 0x63, 0x67, 0x00, 0x00, 0x00, 0x10, 0x00, 0x08, 0x76,
0xe6, 0x8f, 0xe8, 0x12, 0x9b, 0x54, 0x6b, 0x10, 0x1a, 0xee, 0x95, 0x10,
0xc5, 0x32, 0x8e, 0x7f, 0x21, 0xca, 0x1d, 0x18, 0x78, 0x9c, 0x63, 0x62,
0x66, 0x4e, 0xcb, 0xcf, 0x07, 0x00, 0x02, 0xac, 0x01, 0x4d, 0x42, 0x52,
0x3a, 0x6f, 0x39, 0xd1, 0xfe, 0x66, 0x68, 0x6b, 0xa5, 0xe5, 0xe2, 0x97,
0xac, 0x94, 0x6c, 0x76, 0x0b, 0x04
};
static const unsigned int thin_pack_len = 78;
/*
* Packfile that causes the packfile stream to open in a way in which it leaks
* the stream reader.
*/
static const unsigned char leaky_pack[] = {
0x50, 0x41, 0x43, 0x4b, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x03,
0xf4, 0xbd, 0x51, 0x51, 0x51, 0x51, 0x51, 0x72, 0x65, 0x41, 0x4b, 0x63,
0x5f, 0x64, 0x65, 0x70, 0x74, 0x68, 0xbd, 0x41, 0x4b
};
static const unsigned int leaky_pack_len = 33;
static const unsigned char base_obj[] = { 07, 076 };
static const unsigned int base_obj_len = 2;
void test_pack_indexer__out_of_order(void)
{
git_indexer *idx = 0;
git_transfer_progress stats = { 0 };
cl_git_pass(git_indexer_new(&idx, ".", 0, NULL, NULL, NULL));
cl_git_pass(git_indexer_append(
idx, out_of_order_pack, out_of_order_pack_len, &stats));
cl_git_pass(git_indexer_commit(idx, &stats));
cl_assert_equal_i(stats.total_objects, 3);
cl_assert_equal_i(stats.received_objects, 3);
cl_assert_equal_i(stats.indexed_objects, 3);
git_indexer_free(idx);
}
void test_pack_indexer__leaky(void)
{
git_indexer *idx = 0;
git_transfer_progress stats = { 0 };
cl_git_pass(git_indexer_new(&idx, ".", 0, NULL, NULL, NULL));
cl_git_pass(git_indexer_append(
idx, leaky_pack, leaky_pack_len, &stats));
cl_git_fail(git_indexer_commit(idx, &stats));
cl_assert(giterr_last() != NULL);
cl_assert_equal_i(giterr_last()->klass, GITERR_INDEXER);
git_indexer_free(idx);
}
void test_pack_indexer__fix_thin(void)
{
git_indexer *idx = NULL;
git_transfer_progress stats = { 0 };
git_repository *repo;
git_odb *odb;
git_oid id, should_id;
cl_git_pass(git_repository_init(&repo, "thin.git", true));
cl_git_pass(git_repository_odb(&odb, repo));
/* Store the missing base into your ODB so the indexer can fix the pack */
cl_git_pass(git_odb_write(&id, odb, base_obj, base_obj_len, GIT_OBJ_BLOB));
git_oid_fromstr(&should_id, "e68fe8129b546b101aee9510c5328e7f21ca1d18");
cl_assert_equal_oid(&should_id, &id);
cl_git_pass(git_indexer_new(&idx, ".", 0, odb, NULL, NULL));
cl_git_pass(git_indexer_append(idx, thin_pack, thin_pack_len, &stats));
cl_git_pass(git_indexer_commit(idx, &stats));
cl_assert_equal_i(stats.total_objects, 2);
cl_assert_equal_i(stats.received_objects, 2);
cl_assert_equal_i(stats.indexed_objects, 2);
cl_assert_equal_i(stats.local_objects, 1);
git_oid_fromstr(&should_id, "fefdb2d740a3a6b6c03a0c7d6ce431c6d5810e13");
cl_assert_equal_oid(&should_id, git_indexer_hash(idx));
git_indexer_free(idx);
git_odb_free(odb);
git_repository_free(repo);
/*
* The pack's name/hash only tells us what objects there are,
* so we need to go through the packfile again in order to
* figure out whether we calculated the trailer correctly.
*/
{
unsigned char buffer[128];
int fd;
ssize_t read;
struct stat st;
const char *name = "pack-fefdb2d740a3a6b6c03a0c7d6ce431c6d5810e13.pack";
fd = p_open(name, O_RDONLY);
cl_assert(fd != -1);
cl_git_pass(p_stat(name, &st));
cl_git_pass(git_indexer_new(&idx, ".", 0, NULL, NULL, NULL));
read = p_read(fd, buffer, sizeof(buffer));
cl_assert(read != -1);
p_close(fd);
cl_git_pass(git_indexer_append(idx, buffer, read, &stats));
cl_git_pass(git_indexer_commit(idx, &stats));
cl_assert_equal_i(stats.total_objects, 3);
cl_assert_equal_i(stats.received_objects, 3);
cl_assert_equal_i(stats.indexed_objects, 3);
cl_assert_equal_i(stats.local_objects, 0);
git_indexer_free(idx);
}
}
static int find_tmp_file_recurs(void *opaque, git_buf *path)
{
int error = 0;
git_buf *first_tmp_file = opaque;
struct stat st;
if ((error = p_lstat_posixly(path->ptr, &st)) < 0)
return error;
if (S_ISDIR(st.st_mode))
return git_path_direach(path, 0, find_tmp_file_recurs, opaque);
/* This is the template that's used in git_futils_mktmp. */
if (strstr(git_buf_cstr(path), "_git2_") != NULL)
return git_buf_sets(first_tmp_file, git_buf_cstr(path));
return 0;
}
void test_pack_indexer__no_tmp_files(void)
{
git_indexer *idx = NULL;
git_buf path = GIT_BUF_INIT;
git_buf first_tmp_file = GIT_BUF_INIT;
/* Precondition: there are no temporary files. */
cl_git_pass(git_buf_sets(&path, clar_sandbox_path()));
cl_git_pass(find_tmp_file_recurs(&first_tmp_file, &path));
git_buf_free(&path);
cl_assert(git_buf_len(&first_tmp_file) == 0);
cl_git_pass(git_indexer_new(&idx, ".", 0, NULL, NULL, NULL));
git_indexer_free(idx);
cl_git_pass(git_buf_sets(&path, clar_sandbox_path()));
cl_git_pass(find_tmp_file_recurs(&first_tmp_file, &path));
git_buf_free(&path);
cl_assert(git_buf_len(&first_tmp_file) == 0);
git_buf_free(&first_tmp_file);
}
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