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From stef...@apache.org
Subject svn commit: r1655014 - in /subversion/branches/1.8.x-issue4554: ./ subversion/libsvn_fs_fs/fs_fs.c
Date Tue, 27 Jan 2015 11:47:10 GMT
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
-/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
 1631-1481632,1481772,1481782,1481800,1481813,1481847,1481944,1481981,1482282,1482327,1482338,1482350,1482354,1482436,1482479,1482524,1482528,1482536,1482554,1482558,1482592,1482724,1482759,1482779,1482829,1482969-1482970,1482973,1483015,1483077,1483101,1483116,1483125,1483391,1483397,1483555,1483557,1483575,1483580,1483781,1483927,1483939,1483947,1483964-1483965,1483968,1483972,1483975,1483977,1483984,1484006,1484016-1484017,1484023,1484755,1485018,1485127,1485350,1485413,1485427,1485447,1485449,1485497,1485501,1485650,1486072,1486457,1486572,1486809,1486915,1486931,1487083,1487094,1488183,1488267,1488294,1488425,1488639,1488693,1488878,1489114,1489116-1489117,1489203,1489339,1489935,1490045,1490326,1490679,1490684,1490721,1491432,1491499,1491707,1491739,1491755-1491756,1491762,1491770,1491816,1491868,1492005,1492020,1492145,1492148,1492152,1492164,1492264,1492295,1493102,1493424,1493475,1493703,1493720,1493951,1494089,1494171,1494223,1494287,1494298,1494318,1494342,1494657,1494913,
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 42151,1542610,1542765,1542767,1542774,1543145,1543187,1543413,1543594,1543961,1544295,1544302-1544303,1544316,1544597,1544600,1544688,1544690,1544878,1544895,1545111,1545122,1545302,1545835,1545845,1547252,1547454,1547774,1547866,1547873,1548097,1548105,1548170,1548486,1548673,1549858,1549874,1550691,1550772,1550803,1551524,1551579,1552957-1552958,1553101,1553105,1553113,1553376-1553377,1553501,1553556,1554978,1555403,1555499,1557320,1557522,1559009,1559197,1560690,1560701,1561419,1561426,1561703,1563110,1564292,1564576,1564966,1564969,1565085,1565531,1566503-1566504,1567064,1567109,1567134,1567204,1567228,1567286,1567392,1567492,1567494,1567740,1567752,1567985,1568070,1568180,1568349,1568361,1568872,1568953,1568955,1569069,1570642,1571214,1571747,1571787,1571795,1572102,1572200,1572340,1573088,1573106,1573209,1574868,1575270,1575284,1575525,1575915,1577151,1577200,1577294,1577739,1577755,1577812-1577813,1578273,1578311,1578326,1578670,1578820,1578853,1578875,1579274,1579429,1579588
 ,1579684,1580626,1580650,1580832,1580867,1580872,1581296,1581305,1581315,1581430,1581810,1583580,1583977,1584342,1584576,1584592,1584745,1585686,1586052,1586255,1586352,1586467,1587511,1587946,1587968,1588772,1588778,1589184,1589188,1589360,1589460,1589486,1590212,1591123,1592014,1592034,1593992,1594156,1594223,1594794,1594814,1594834,1595061,1595431,1596866,1600311,1600315,1600323,1600331,1600348,1600368,1600393,1600563,1600781,1600909,1601851,1606009,1612225,1615211,1615219,1615255-1615256,1615260,1615263,1616131,1619105,1619118,1619153,1619774,1619802,1620332,1621978,1621981,1625533,1625537,1628431,1628536,1628540,1633126,1636874,1637826,1640730,1640862,1640873,1641564,1643033,1643409,1643437,1643457,1643461,1643482,1643793,1643810,1643972-1643973,1650481,1650489
+/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
 1631-1481632,1481772,1481782,1481800,1481813,1481847,1481944,1481981,1482282,1482327,1482338,1482350,1482354,1482436,1482479,1482524,1482528,1482536,1482554,1482558,1482592,1482724,1482759,1482779,1482829,1482969-1482970,1482973,1483015,1483077,1483101,1483116,1483125,1483391,1483397,1483555,1483557,1483575,1483580,1483781,1483927,1483939,1483947,1483964-1483965,1483968,1483972,1483975,1483977,1483984,1484006,1484016-1484017,1484023,1484755,1485018,1485127,1485350,1485413,1485427,1485447,1485449,1485497,1485501,1485650,1486072,1486457,1486572,1486809,1486915,1486931,1487083,1487094,1488183,1488267,1488294,1488425,1488639,1488693,1488878,1489114,1489116-1489117,1489203,1489339,1489935,1490045,1490326,1490679,1490684,1490721,1491432,1491499,1491707,1491739,1491755-1491756,1491762,1491770,1491816,1491868,1492005,1492020,1492145,1492148,1492152,1492164,1492264,1492295,1493102,1493424,1493475,1493703,1493720,1493951,1494089,1494171,1494223,1494287,1494298,1494318,1494342,1494657,1494913,
 1494967,1495063,1495104,1495204,1495209,1495214,1495256,1495329,1495428,1495432,1495446,1495597,1495805,1495850,1495978,1496007,1496110-1496111,1496127,1496132,1496151,1496470,1496938,1496957,1497002,1497318-1497319,1497551,1497614,1497804,1497975,1497980,1498000,1498012,1498136,1498449,1498455-1498456,1498483-1498484,1498486,1498550,1498564,1498851,1498885,1498997,1499034,1499044,1499064,1499095-1499096,1499100,1499403,1499423,1499438,1499447,1499460,1499470,1499483,1499492,1499496,1499498,1499595,1499727,1500074,1500175,1500226,1500680,1500695,1500762,1500799,1500801-1500802,1500904,1500928,1501199,1501207,1501656,1501702,1502097,1502267,1502577,1502777,1502811,1502901,1502909,1502952,1503009-1503010,1503058,1503061,1503211,1503318,1503528,1503884,1504192,1504505,1506040-1506041,1506047,1506058,1506966,1507044,1507382,1507567,1507589,1507889,1507891,1508438,1509186,1509196,1511057,1511272,1511353,1511603,1512067,1512119,1512195,1512300-1512301,1512432,1512471-1512472,1513119,15131
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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;
 }



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