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  1. Subversion
  2. SVN-3666

Assertion frb->last_filename == NULL fails in libsvn_client/blame.c

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    • Type: Bug
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: trunk
    • Fix Version/s: 1.6.15
    • Component/s: libsvn_client
    • Labels:


      As discussed on the subversion users mailing list I found a problem when trying
      to annotate a file including merge info.
      Use the following commands to reproduce the issue:
      svnadmin create repo
      mkdir work
      touch work/a.txt
      svn import work file:///repo/trunk -m "imported"
      rm -rf work
      svn checkout file:///repo/trunk work
      cd work
      svn copy . file:///repo/branch -m "branched"
      svn switch file:///repo/branch
      echo foo > a.txt
      svn commit -m "changed on branch"
      svn switch file:///repo/trunk
      svn merge file:///repo/branch
      svn commit -m "merged"
      svn update
      echo bar >> a.txt
      svn commit -m "changed on trunk"
      svn update
      svn annotate -g -r 4:5 a.txt
      Expected result: Some annotations.
      Got result: 
      In file
       line 487: assertion failed (frb->last_filename == NULL)
      (or similar, Daniel Shahaf reproduced it using current trunk).
      In the debugger it looked like subversion only wants to get info for exactly one
      revision before the first revision you ask for in the "blame" command. When you
      include merged revisions you get much more information than you asked for.
      For the repository that I used originally when I found this bug I stepped
      through the loop skipping the assertion and stopped counting after almost a
      dozen revisions where only one was expected.
      I am not sure what is the right way to deal with this problem: Exclude the merge
      info for the revision before the range starts or fix the check to allow more
      revisions here?


      Original issue reported by phosphan


        1. 1_issue-3666-recipe.sh
          0.7 kB
          C. Michael Pilato

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            • Assignee:
              subversion-importer Subversion Importer


              • Created:

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