svn_error_t *
svn_fs_fs__dag_get_revision(svn_revnum_t *rev,
dag_node_t *node,
apr_pool_t *pool)
{
/* In the special case that this is an unmodified transaction root,
we need to actually get the revision of the noderev's predecessor
(the revision root); see Issue #2608. */
const svn_fs_id_t *correct_id = node->fresh_root_predecessor_id
? node->fresh_root_predecessor_id : node->id;
/* Look up the committed revision from the Node-ID. */
*rev = svn_fs_fs__id_rev(correct_id);
return SVN_NO_ERROR;
}
svn_error_t *
svn_fs_fs__read_noderev(node_revision_t **noderev_p,
svn_stream_t *stream,
apr_pool_t *result_pool,
apr_pool_t *scratch_pool)
{
apr_hash_t *headers;
node_revision_t *noderev;
char *value;
const char *noderev_id;
SVN_ERR(read_header_block(&headers, stream, scratch_pool));
noderev = apr_pcalloc(result_pool, sizeof(*noderev));
/* Read the node-rev id. */
value = svn_hash_gets(headers, HEADER_ID);
if (value == NULL)
/* ### More information: filename/offset coordinates */
return svn_error_create(SVN_ERR_FS_CORRUPT, NULL,
_("Missing id field in node-rev"));
SVN_ERR(svn_stream_close(stream));
SVN_ERR(svn_fs_fs__id_parse(&noderev->id, value, result_pool));
noderev_id = value; /* for error messages later */
/* Read the type. */
value = svn_hash_gets(headers, HEADER_TYPE);
if ((value == NULL) ||
( strcmp(value, SVN_FS_FS__KIND_FILE)
&& strcmp(value, SVN_FS_FS__KIND_DIR)))
/* ### s/kind/type/ */
return svn_error_createf(SVN_ERR_FS_CORRUPT, NULL,
_("Missing kind field in node-rev '%s'"),
noderev_id);
noderev->kind = (strcmp(value, SVN_FS_FS__KIND_FILE) == 0)
? svn_node_file
: svn_node_dir;
/* Read the 'count' field. */
value = svn_hash_gets(headers, HEADER_COUNT);
if (value)
SVN_ERR(svn_cstring_atoi(&noderev->predecessor_count, value));
else
noderev->predecessor_count = 0;
/* Get the properties location. */
value = svn_hash_gets(headers, HEADER_PROPS);
if (value)
{
SVN_ERR(read_rep_offsets(&noderev->prop_rep, value,
noderev->id, result_pool, scratch_pool));
}
/* Get the data location. */
value = svn_hash_gets(headers, HEADER_TEXT);
if (value)
{
SVN_ERR(read_rep_offsets(&noderev->data_rep, value,
noderev->id, result_pool, scratch_pool));
}
/* Get the created path. */
value = svn_hash_gets(headers, HEADER_CPATH);
if (value == NULL)
{
return svn_error_createf(SVN_ERR_FS_CORRUPT, NULL,
_("Missing cpath field in node-rev '%s'"),
noderev_id);
}
else
{
if (!svn_fspath__is_canonical(value))
return svn_error_createf(SVN_ERR_FS_CORRUPT, NULL,
_("Non-canonical cpath field in node-rev '%s'"),
noderev_id);
noderev->created_path = apr_pstrdup(result_pool, value);
}
/* Get the predecessor ID. */
value = svn_hash_gets(headers, HEADER_PRED);
if (value)
SVN_ERR(svn_fs_fs__id_parse(&noderev->predecessor_id, value,
result_pool));
/* Get the copyroot. */
value = svn_hash_gets(headers, HEADER_COPYROOT);
if (value == NULL)
{
noderev->copyroot_path = apr_pstrdup(result_pool, noderev->created_path);
noderev->copyroot_rev = svn_fs_fs__id_rev(noderev->id);
}
else
{
SVN_ERR(parse_revnum(&noderev->copyroot_rev, (const char **)&value));
if (!svn_fspath__is_canonical(value))
return svn_error_createf(SVN_ERR_FS_CORRUPT, NULL,
_("Malformed copyroot line in node-rev '%s'"),
noderev_id);
noderev->copyroot_path = apr_pstrdup(result_pool, value);
}
/* Get the copyfrom. */
value = svn_hash_gets(headers, HEADER_COPYFROM);
if (value == NULL)
{
noderev->copyfrom_path = NULL;
noderev->copyfrom_rev = SVN_INVALID_REVNUM;
}
else
{
SVN_ERR(parse_revnum(&noderev->copyfrom_rev, (const char **)&value));
if (*value == 0)
return svn_error_createf(SVN_ERR_FS_CORRUPT, NULL,
_("Malformed copyfrom line in node-rev '%s'"),
noderev_id);
noderev->copyfrom_path = apr_pstrdup(result_pool, value);
}
/* Get whether this is a fresh txn root. */
value = svn_hash_gets(headers, HEADER_FRESHTXNRT);
noderev->is_fresh_txn_root = (value != NULL);
/* Get the mergeinfo count. */
value = svn_hash_gets(headers, HEADER_MINFO_CNT);
if (value)
SVN_ERR(svn_cstring_atoi64(&noderev->mergeinfo_count, value));
else
noderev->mergeinfo_count = 0;
/* Get whether *this* node has mergeinfo. */
value = svn_hash_gets(headers, HEADER_MINFO_HERE);
noderev->has_mergeinfo = (value != NULL);
*noderev_p = noderev;
return SVN_NO_ERROR;
}
svn_error_t *
svn_fs_fs__write_noderev(svn_stream_t *outfile,
node_revision_t *noderev,
int format,
svn_boolean_t include_mergeinfo,
apr_pool_t *scratch_pool)
{
SVN_ERR(svn_stream_printf(outfile, scratch_pool, HEADER_ID ": %s\n",
svn_fs_fs__id_unparse(noderev->id,
scratch_pool)->data));
SVN_ERR(svn_stream_printf(outfile, scratch_pool, HEADER_TYPE ": %s\n",
(noderev->kind == svn_node_file) ?
SVN_FS_FS__KIND_FILE : SVN_FS_FS__KIND_DIR));
if (noderev->predecessor_id)
SVN_ERR(svn_stream_printf(outfile, scratch_pool, HEADER_PRED ": %s\n",
svn_fs_fs__id_unparse(noderev->predecessor_id,
scratch_pool)->data));
SVN_ERR(svn_stream_printf(outfile, scratch_pool, HEADER_COUNT ": %d\n",
noderev->predecessor_count));
if (noderev->data_rep)
SVN_ERR(svn_stream_printf(outfile, scratch_pool, HEADER_TEXT ": %s\n",
svn_fs_fs__unparse_representation
(noderev->data_rep,
format,
noderev->kind == svn_node_dir,
scratch_pool, scratch_pool)->data));
if (noderev->prop_rep)
SVN_ERR(svn_stream_printf(outfile, scratch_pool, HEADER_PROPS ": %s\n",
svn_fs_fs__unparse_representation
(noderev->prop_rep, format,
TRUE, scratch_pool, scratch_pool)->data));
SVN_ERR(svn_stream_printf(outfile, scratch_pool, HEADER_CPATH ": %s\n",
noderev->created_path));
if (noderev->copyfrom_path)
SVN_ERR(svn_stream_printf(outfile, scratch_pool, HEADER_COPYFROM ": %ld"
" %s\n",
noderev->copyfrom_rev,
noderev->copyfrom_path));
if ((noderev->copyroot_rev != svn_fs_fs__id_rev(noderev->id)) ||
(strcmp(noderev->copyroot_path, noderev->created_path) != 0))
SVN_ERR(svn_stream_printf(outfile, scratch_pool, HEADER_COPYROOT ": %ld"
" %s\n",
noderev->copyroot_rev,
noderev->copyroot_path));
if (noderev->is_fresh_txn_root)
SVN_ERR(svn_stream_puts(outfile, HEADER_FRESHTXNRT ": y\n"));
if (include_mergeinfo)
{
if (noderev->mergeinfo_count > 0)
SVN_ERR(svn_stream_printf(outfile, scratch_pool, HEADER_MINFO_CNT
": %" APR_INT64_T_FMT "\n",
noderev->mergeinfo_count));
if (noderev->has_mergeinfo)
SVN_ERR(svn_stream_puts(outfile, HEADER_MINFO_HERE ": y\n"));
}
return svn_stream_puts(outfile, "\n");
}
/* Inspect the data and/or prop reps of revision REVNUM in FS. Store
* reference count tallies in passed hashes (allocated in RESULT_POOL).
*
* If PROP_REPS or DATA_REPS is NULL, the respective kind of reps are not
* tallied.
*
* Print progress report to STDERR unless QUIET is true.
*
* Use SCRATCH_POOL for temporary allocations.
*/
static svn_error_t *
process_one_revision(svn_fs_t *fs,
svn_revnum_t revnum,
svn_boolean_t quiet,
apr_hash_t *prop_reps,
apr_hash_t *data_reps,
apr_hash_t *both_reps,
apr_pool_t *result_pool,
apr_pool_t *scratch_pool)
{
svn_fs_root_t *rev_root;
apr_hash_t *paths_changed;
apr_hash_index_t *hi;
if (! quiet)
SVN_ERR(svn_cmdline_fprintf(stderr, scratch_pool,
"processing r%ld\n", revnum));
/* Get the changed paths. */
SVN_ERR(svn_fs_revision_root(&rev_root, fs, revnum, scratch_pool));
SVN_ERR(svn_fs_paths_changed2(&paths_changed, rev_root, scratch_pool));
/* Iterate them. */
/* ### use iterpool? */
for (hi = apr_hash_first(scratch_pool, paths_changed);
hi; hi = apr_hash_next(hi))
{
const char *path;
const svn_fs_path_change2_t *change;
const svn_fs_id_t *node_rev_id1, *node_rev_id2;
const svn_fs_id_t *the_id;
node_revision_t *node_rev;
path = svn__apr_hash_index_key(hi);
change = svn__apr_hash_index_val(hi);
if (! quiet)
SVN_ERR(svn_cmdline_fprintf(stderr, scratch_pool,
"processing r%ld:%s\n", revnum, path));
if (change->change_kind == svn_fs_path_change_delete)
/* Can't ask for reps of PATH at REVNUM if the path no longer exists
* at that revision! */
continue;
/* Okay, we have two node_rev id's for this change: the txn one and
* the revision one. We'll use the latter. */
node_rev_id1 = change->node_rev_id;
SVN_ERR(svn_fs_node_id(&node_rev_id2, rev_root, path, scratch_pool));
SVN_ERR_ASSERT(svn_fs_fs__id_txn_id(node_rev_id1) != NULL);
SVN_ERR_ASSERT(svn_fs_fs__id_rev(node_rev_id2) != SVN_INVALID_REVNUM);
the_id = node_rev_id2;
/* Get the node_rev using the chosen node_rev_id. */
SVN_ERR(svn_fs_fs__get_node_revision(&node_rev, fs, the_id, scratch_pool));
/* Maybe record the sha1's. */
SVN_ERR(record(prop_reps, node_rev->prop_rep, result_pool));
SVN_ERR(record(data_reps, node_rev->data_rep, result_pool));
SVN_ERR(record(both_reps, node_rev->prop_rep, result_pool));
SVN_ERR(record(both_reps, node_rev->data_rep, result_pool));
}
return SVN_NO_ERROR;
}