svn_error_t *
svn_wc__get_pristine_contents(svn_stream_t **contents,
svn_filesize_t *size,
svn_wc__db_t *db,
const char *local_abspath,
apr_pool_t *result_pool,
apr_pool_t *scratch_pool)
{
svn_wc__db_status_t status;
svn_wc__db_kind_t kind;
const svn_checksum_t *sha1_checksum;
if (size)
*size = SVN_INVALID_FILESIZE;
SVN_ERR(svn_wc__db_read_pristine_info(&status, &kind, NULL, NULL, NULL, NULL,
&sha1_checksum, NULL, NULL,
db, local_abspath,
scratch_pool, scratch_pool));
/* Sanity */
if (kind != svn_wc__db_kind_file)
return svn_error_createf(SVN_ERR_NODE_UNEXPECTED_KIND, NULL,
_("Can only get the pristine contents of files; "
"'%s' is not a file"),
svn_dirent_local_style(local_abspath,
scratch_pool));
if (status == svn_wc__db_status_added && !sha1_checksum)
{
/* Simply added. The pristine base does not exist. */
*contents = NULL;
return SVN_NO_ERROR;
}
else if (status == svn_wc__db_status_not_present)
/* We know that the delete of this node has been committed.
This should be the same as if called on an unknown path. */
return svn_error_createf(SVN_ERR_WC_PATH_NOT_FOUND, NULL,
_("Cannot get the pristine contents of '%s' "
"because its delete is already committed"),
svn_dirent_local_style(local_abspath,
scratch_pool));
else if (status == svn_wc__db_status_server_excluded
|| status == svn_wc__db_status_excluded
|| status == svn_wc__db_status_incomplete)
return svn_error_createf(SVN_ERR_WC_PATH_UNEXPECTED_STATUS, NULL,
_("Cannot get the pristine contents of '%s' "
"because it has an unexpected status"),
svn_dirent_local_style(local_abspath,
scratch_pool));
if (sha1_checksum)
SVN_ERR(svn_wc__db_pristine_read(contents, size, db, local_abspath,
sha1_checksum,
result_pool, scratch_pool));
else
*contents = NULL;
return SVN_NO_ERROR;
}
/* Exercise the pristine text API with a simple write and read. */
static svn_error_t *
pristine_write_read(const svn_test_opts_t *opts,
apr_pool_t *pool)
{
svn_wc__db_t *db;
const char *wc_abspath;
svn_wc__db_install_data_t *install_data;
svn_stream_t *pristine_stream;
apr_size_t sz;
const char data[] = "Blah";
svn_string_t *data_string = svn_string_create(data, pool);
svn_checksum_t *data_sha1, *data_md5;
SVN_ERR(create_repos_and_wc(&wc_abspath, &db,
"pristine_write_read", opts, pool));
/* Write DATA into a new temporary pristine file, set PRISTINE_TMP_ABSPATH
* to its path and set DATA_SHA1 and DATA_MD5 to its checksums. */
SVN_ERR(svn_wc__db_pristine_prepare_install(&pristine_stream,
&install_data,
&data_sha1, &data_md5,
db, wc_abspath,
pool, pool));
sz = strlen(data);
SVN_ERR(svn_stream_write(pristine_stream, data, &sz));
SVN_ERR(svn_stream_close(pristine_stream));
/* Ensure it's not already in the store. */
{
svn_boolean_t present;
SVN_ERR(svn_wc__db_pristine_check(&present, db, wc_abspath, data_sha1,
pool));
SVN_TEST_ASSERT(! present);
}
/* Install the new pristine file, referenced by its checksum. */
SVN_ERR(svn_wc__db_pristine_install(install_data,
data_sha1, data_md5, pool));
/* Ensure it is now found in the store. */
{
svn_boolean_t present;
SVN_ERR(svn_wc__db_pristine_check(&present, db, wc_abspath, data_sha1,
pool));
SVN_TEST_ASSERT(present);
}
/* Look up its MD-5 from its SHA-1, and check it's the same MD-5. */
{
const svn_checksum_t *looked_up_md5;
SVN_ERR(svn_wc__db_pristine_get_md5(&looked_up_md5, db, wc_abspath,
data_sha1, pool, pool));
SVN_TEST_ASSERT(looked_up_md5->kind == svn_checksum_md5);
SVN_TEST_ASSERT(svn_checksum_match(data_md5, looked_up_md5));
}
/* Read the pristine text back and verify it's the same content. */
{
svn_stream_t *data_stream = svn_stream_from_string(data_string, pool);
svn_stream_t *data_read_back;
svn_boolean_t same;
SVN_ERR(svn_wc__db_pristine_read(&data_read_back, NULL, db, wc_abspath,
data_sha1, pool, pool));
SVN_ERR(svn_stream_contents_same2(&same, data_read_back, data_stream,
pool));
SVN_TEST_ASSERT(same);
}
/* Trivially test the "remove if unreferenced" API: it's not referenced
so we should be able to remove it. */
{
svn_error_t *err;
svn_stream_t *data_read_back;
SVN_ERR(svn_wc__db_pristine_remove(db, wc_abspath, data_sha1, pool));
err = svn_wc__db_pristine_read(&data_read_back, NULL, db, wc_abspath,
data_sha1, pool, pool);
SVN_TEST_ASSERT_ERROR(err, SVN_ERR_WC_PATH_NOT_FOUND);
}
/* Ensure it's no longer found in the store. */
{
svn_boolean_t present;
SVN_ERR(svn_wc__db_pristine_check(&present, db, wc_abspath, data_sha1,
pool));
SVN_TEST_ASSERT(! present);
}
return SVN_NO_ERROR;
}
/* Test deleting a pristine text while it is open for reading. */
static svn_error_t *
pristine_delete_while_open(const svn_test_opts_t *opts,
apr_pool_t *pool)
{
svn_wc__db_t *db;
const char *wc_abspath;
svn_wc__db_install_data_t *install_data;
svn_stream_t *pristine_stream;
svn_stream_t *contents;
apr_size_t sz;
const char data[] = "Blah";
svn_checksum_t *data_sha1, *data_md5;
SVN_ERR(create_repos_and_wc(&wc_abspath, &db,
"pristine_delete_while_open", opts, pool));
SVN_ERR(svn_wc__db_pristine_prepare_install(&pristine_stream,
&install_data,
&data_sha1, &data_md5,
db, wc_abspath,
pool, pool));
sz = strlen(data);
SVN_ERR(svn_stream_write(pristine_stream, data, &sz));
SVN_ERR(svn_stream_close(pristine_stream));
SVN_ERR(svn_wc__db_pristine_install(install_data,
data_sha1, data_md5, pool));
/* Open it for reading */
SVN_ERR(svn_wc__db_pristine_read(&contents, NULL, db, wc_abspath, data_sha1,
pool, pool));
/* Delete it */
SVN_ERR(svn_wc__db_pristine_remove(db, wc_abspath, data_sha1, pool));
/* Continue to read from it */
{
char buffer[4];
apr_size_t len = 4;
SVN_ERR(svn_stream_read_full(contents, buffer, &len));
SVN_TEST_ASSERT(len == 4);
SVN_TEST_ASSERT(memcmp(buffer, data, len) == 0);
}
/* Ensure it's no longer found in the store. (The file may still exist as
* an orphan, depending on the implementation.) */
{
svn_boolean_t present;
SVN_ERR(svn_wc__db_pristine_check(&present, db, wc_abspath, data_sha1,
pool));
SVN_TEST_ASSERT(! present);
}
/* Close the read stream */
SVN_ERR(svn_stream_close(contents));
return SVN_NO_ERROR;
}
