1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
|
/*
* relocate.c: wrapper around wc relocation functionality.
*
* ====================================================================
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
* ====================================================================
*/
/* ==================================================================== */
/*** Includes. ***/
#include "svn_wc.h"
#include "svn_client.h"
#include "svn_pools.h"
#include "svn_error.h"
#include "svn_dirent_uri.h"
#include "svn_path.h"
#include "client.h"
#include "private/svn_wc_private.h"
#include "svn_private_config.h"
/*** Code. ***/
/* Repository root and UUID for a repository. */
struct url_uuid_t
{
const char *root;
const char *uuid;
};
struct validator_baton_t
{
svn_client_ctx_t *ctx;
const char *path;
apr_array_header_t *url_uuids;
apr_pool_t *pool;
};
static svn_error_t *
validator_func(void *baton,
const char *uuid,
const char *url,
const char *root_url,
apr_pool_t *pool)
{
struct validator_baton_t *b = baton;
struct url_uuid_t *url_uuid = NULL;
const char *disable_checks;
apr_array_header_t *uuids = b->url_uuids;
int i;
for (i = 0; i < uuids->nelts; ++i)
{
struct url_uuid_t *uu = &APR_ARRAY_IDX(uuids, i,
struct url_uuid_t);
if (svn_uri__is_ancestor(uu->root, url))
{
url_uuid = uu;
break;
}
}
disable_checks = getenv("SVN_I_LOVE_CORRUPTED_WORKING_COPIES_SO_DISABLE_RELOCATE_VALIDATION");
if (disable_checks && (strcmp(disable_checks, "yes") == 0))
{
/* Lie about URL_UUID's components, claiming they match the
expectations of the validation code below. */
url_uuid = apr_pcalloc(pool, sizeof(*url_uuid));
url_uuid->root = apr_pstrdup(pool, root_url);
url_uuid->uuid = apr_pstrdup(pool, uuid);
}
/* We use an RA session in a subpool to get the UUID of the
repository at the new URL so we can force the RA session to close
by destroying the subpool. */
if (! url_uuid)
{
apr_pool_t *sesspool = svn_pool_create(pool);
url_uuid = &APR_ARRAY_PUSH(uuids, struct url_uuid_t);
SVN_ERR(svn_client_get_repos_root(&url_uuid->root,
&url_uuid->uuid,
url, b->ctx,
pool, sesspool));
svn_pool_destroy(sesspool);
}
/* Make sure the url is a repository root if desired. */
if (root_url
&& strcmp(root_url, url_uuid->root) != 0)
return svn_error_createf(SVN_ERR_CLIENT_INVALID_RELOCATION, NULL,
_("'%s' is not the root of the repository"),
url);
/* Make sure the UUIDs match. */
if (uuid && strcmp(uuid, url_uuid->uuid) != 0)
return svn_error_createf
(SVN_ERR_CLIENT_INVALID_RELOCATION, NULL,
_("The repository at '%s' has uuid '%s', but the WC has '%s'"),
url, url_uuid->uuid, uuid);
return SVN_NO_ERROR;
}
svn_error_t *
svn_client_relocate2(const char *wcroot_dir,
const char *from_prefix,
const char *to_prefix,
svn_boolean_t ignore_externals,
svn_client_ctx_t *ctx,
apr_pool_t *pool)
{
struct validator_baton_t vb;
const char *local_abspath;
apr_hash_t *externals_hash = NULL;
apr_hash_index_t *hi;
apr_pool_t *iterpool = NULL;
const char *old_repos_root_url, *new_repos_root_url;
/* Populate our validator callback baton, and call the relocate code. */
vb.ctx = ctx;
vb.path = wcroot_dir;
vb.url_uuids = apr_array_make(pool, 1, sizeof(struct url_uuid_t));
vb.pool = pool;
if (svn_path_is_url(wcroot_dir))
return svn_error_createf(SVN_ERR_ILLEGAL_TARGET, NULL,
_("'%s' is not a local path"),
wcroot_dir);
SVN_ERR(svn_dirent_get_absolute(&local_abspath, wcroot_dir, pool));
/* If we're ignoring externals, just relocate and get outta here. */
if (ignore_externals)
{
return svn_error_trace(svn_wc_relocate4(ctx->wc_ctx, local_abspath,
from_prefix, to_prefix,
validator_func, &vb, pool));
}
/* Fetch our current root URL. */
SVN_ERR(svn_client_get_repos_root(&old_repos_root_url, NULL /* uuid */,
local_abspath, ctx, pool, pool));
/* Perform the relocation. */
SVN_ERR(svn_wc_relocate4(ctx->wc_ctx, local_abspath, from_prefix, to_prefix,
validator_func, &vb, pool));
/* Now fetch new current root URL. */
SVN_ERR(svn_client_get_repos_root(&new_repos_root_url, NULL /* uuid */,
local_abspath, ctx, pool, pool));
/* Relocate externals, too (if any). */
SVN_ERR(svn_wc__externals_defined_below(&externals_hash,
ctx->wc_ctx, local_abspath,
pool, pool));
if (! apr_hash_count(externals_hash))
return SVN_NO_ERROR;
iterpool = svn_pool_create(pool);
for (hi = apr_hash_first(pool, externals_hash);
hi != NULL;
hi = apr_hash_next(hi))
{
svn_node_kind_t kind;
const char *this_abspath = apr_hash_this_key(hi);
svn_pool_clear(iterpool);
SVN_ERR(svn_wc__read_external_info(&kind, NULL, NULL, NULL, NULL,
ctx->wc_ctx,
local_abspath, this_abspath,
FALSE, iterpool, iterpool));
if (kind == svn_node_dir)
{
const char *this_repos_root_url;
svn_error_t *err;
err = svn_client_get_repos_root(&this_repos_root_url, NULL /* uuid */,
this_abspath, ctx, iterpool, iterpool);
/* Ignore externals that aren't present in the working copy.
* This can happen if an external is deleted from disk accidentally,
* or if an external is configured on a locally added directory. */
if (err && err->apr_err == SVN_ERR_WC_PATH_NOT_FOUND)
{
svn_error_clear(err);
continue;
}
SVN_ERR(err);
if (strcmp(old_repos_root_url, this_repos_root_url) == 0)
SVN_ERR(svn_client_relocate2(this_abspath, from_prefix, to_prefix,
FALSE /* ignore_externals */,
ctx, iterpool));
}
}
svn_pool_destroy(iterpool);
return SVN_NO_ERROR;
}
|
