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Posted to commits@subversion.apache.org by st...@apache.org on 2015/01/27 12:47:10 UTC
svn commit: r1655014 - in /subversion/branches/1.8.x-issue4554: ./
subversion/libsvn_fs_fs/fs_fs.c
Author: stefan2
Date: Tue Jan 27 11:47:10 2015
New Revision: 1655014
URL: http://svn.apache.org/r1655014
Log:
Merge r1654932 from /trunk, resolve the text conflict and adapt to the
differences in representation_t.
This patch is the main fix for issue #4556.
Modified:
subversion/branches/1.8.x-issue4554/ (props changed)
subversion/branches/1.8.x-issue4554/subversion/libsvn_fs_fs/fs_fs.c
Propchange: subversion/branches/1.8.x-issue4554/
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Tue Jan 27 11:47:10 2015
@@ -124,4 +124,4 @@
/subversion/branches/uris-as-urls:1060426-1064427
/subversion/branches/verify-at-commit:1462039-1462408
/subversion/branches/wc-collate-path:1407642
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+/subversion/trunk:1467440,1467450,1467481,1467587,1467597,1467668,1467675,1467803,1467807,1467951,1468109,1468116,1468151,1468347,1468395,1468439,1468487,1468565-1468566,1468980,1469248,1469363,1469478,1469489,1469512-1469513,1469550,1469556,1469645,1469674,1469833,1469862,1469866,1469871,1469994,1470031,1470037,1470221,1470238,1470246,1470248,1470537,1470650,1470738,1470781,1470898,1470904,1470908,1470913,1470936,1470993-1470994,1471028-1471029,1471107,1471153,1471302,1471443,1471490,1471744,1475704,1475724,1475772,1475963,1476092,1476155,1476181,1476193,1476254,1476359,1476366,1476607,1477294,1477359,1477729-1477730,1477876,1477891,1478001,1478220-1478221,1478465,1478617,1478897,1478951,1478987,1478998,1479320-1479321,1479323,1479326,1479329,1479540,1479563,1479605,1479896,1480054,1480077,1480080,1480082,1480119,1480149,1480344,1480412,1480426,1480442,1480616,1480641-1480642,1480664,1480669,1480681,1480723,1480738,1480765,1481010,1481418,1481594,1481596,1481625,1481627-1481628,148
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Modified: subversion/branches/1.8.x-issue4554/subversion/libsvn_fs_fs/fs_fs.c
URL: http://svn.apache.org/viewvc/subversion/branches/1.8.x-issue4554/subversion/libsvn_fs_fs/fs_fs.c?rev=1655014&r1=1655013&r2=1655014&view=diff
==============================================================================
--- subversion/branches/1.8.x-issue4554/subversion/libsvn_fs_fs/fs_fs.c (original)
+++ subversion/branches/1.8.x-issue4554/subversion/libsvn_fs_fs/fs_fs.c Tue Jan 27 11:47:10 2015
@@ -41,6 +41,7 @@
#include "svn_fs.h"
#include "svn_dirent_uri.h"
#include "svn_path.h"
+#include "svn_checksum.h"
#include "svn_hash.h"
#include "svn_props.h"
#include "svn_sorts.h"
@@ -5804,10 +5805,40 @@ svn_fs_fs__file_length(svn_filesize_t *l
node_revision_t *noderev,
apr_pool_t *pool)
{
- if (noderev->data_rep)
- *length = noderev->data_rep->expanded_size;
+ representation_t *data_rep = noderev->data_rep;
+ if (!data_rep)
+ {
+ /* Treat "no representation" as "empty file". */
+ *length = 0;
+ }
+ else if (data_rep->expanded_size)
+ {
+ /* Standard case: a non-empty file. */
+ *length = data_rep->expanded_size;
+ }
else
- *length = 0;
+ {
+ /* Work around a FSFS format quirk (see issue #4554).
+ A plain representation may specify its EXPANDED LENGTH as "0"
+ in which case, the SIZE value is what we want.
+
+ Because EXPANDED_LENGTH will also be 0 for empty files, while
+ SIZE is non-null, we need to check wether the content is
+ actually empty. We simply compare with the MD5 checksum of
+ empty content (sha-1 is not always available).
+ */
+ if (svn_checksum_is_empty_checksum(data_rep->md5_checksum))
+ {
+ /* Contents is empty. */
+ *length = 0;
+ }
+ else
+ {
+ /* Contents is not empty, i.e. EXPANDED_LENGTH cannot be the
+ actual file length. */
+ *length = data_rep->size;
+ }
+ }
return SVN_NO_ERROR;
}