From 4a31fcfb6884fc18a85f390ab6707468f05eebd9 Mon Sep 17 00:00:00 2001
From: Gilbert Chen <gchen@acrosync.com>
Date: Thu, 13 Jul 2017 15:00:27 -0400
Subject: [PATCH] Set file sizes to -1 before creating the file reader

---
 integration_tests/resume_test.sh |  3 ++-
 integration_tests/test.sh        |  1 +
 src/duplicacy_backupmanager.go   | 10 ++++++----
 3 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/integration_tests/resume_test.sh b/integration_tests/resume_test.sh
index 4989300..5507bfc 100755
--- a/integration_tests/resume_test.sh
+++ b/integration_tests/resume_test.sh
@@ -11,8 +11,9 @@ ${DUPLICACY} init integration-tests $TEST_STORAGE -c  4
 # Create 10 small files
 add_file file1 20
 add_file file2 20
-add_file file3 20
+rm file3; touch file3
 add_file file4 20
+chmod u-r file4
 add_file file5 20
 add_file file6 20
 add_file file7 20
diff --git a/integration_tests/test.sh b/integration_tests/test.sh
index 0066b2b..404c932 100755
--- a/integration_tests/test.sh
+++ b/integration_tests/test.sh
@@ -10,6 +10,7 @@ backup
 add_file file3
 backup
 add_file file4
+chmod u-r ${TEST_REPO}/file4
 backup
 add_file file5
 restore
diff --git a/src/duplicacy_backupmanager.go b/src/duplicacy_backupmanager.go
index dc59061..876f2da 100644
--- a/src/duplicacy_backupmanager.go
+++ b/src/duplicacy_backupmanager.go
@@ -361,14 +361,16 @@ func (manager *BackupManager) Backup(top string, quickMode bool, threads int, ta
     var uploadedChunkLengths []int
     var uploadedChunkLock = &sync.Mutex{}
 
-    // the file reader implements the Reader interface. When an EOF is encounter, it opens the next file unless it
-    // is the last file.
-    fileReader := CreateFileReader(shadowTop, modifiedEntries)
-    // Set all file sizes to -1 to indicate they haven't been processed
+    // Set all file sizes to -1 to indicate they haven't been processed.   This must be done before creating the file 
+    // reader because the file reader may skip inaccessible files on construction.
     for _, entry := range modifiedEntries {
         entry.Size = -1
     }
 
+    // the file reader implements the Reader interface. When an EOF is encounter, it opens the next file unless it
+    // is the last file.
+    fileReader := CreateFileReader(shadowTop, modifiedEntries)
+
     startUploadingTime := time.Now().Unix()
 
     lastUploadingTime := time.Now().Unix()