Assert error checking out tagged files with -p option

[Abhinandan Jain]

I am using cvs 1.11.17 and am getting assert errors when using the "-pr"
tagged checkout option for a freshly tagged file. That is, if I

 1) tag a file A with tag B
 2) right away checkout the file using "-pr B", I get an assert error of the 
form

    Assertion failed: repository != NULL, file ../../src/recurse.c, line 641
    cvs [checkout aborted]: received abort signal

 3) If however I checkout the file without the -p option, i.e. using
    simply  "-r B", things work, and strangely enough, after this the
    "-pr B" option also starts working.

Unforutnately, if I now use a new tag "C", I get exactly the same
problem going from step 1-3 with this new tag. So it appears that this
version of CVS requires at least one checkout to the file system using a
new tag before the tag can be used with the "-p" option.

This beharior is causing quite a few problems in our environment.

I have included a short test case below which reproduces the problem:

    # create a new repository 
    cvs -d /home/jain/tempRepo init

    # import a single file "tmpfile" into the repository
    mkdir tmpdir
    touch tmpdir/tmpfile
    cd tmpdir
    cvs -d /home/jain/tempRepo import -m "" tmpmod ddd ggg

    # checkout "tmpfile" and tag it with the "tmptag" tag
    cvs -d /home/jain/tempRepo co tmpmod
    cvs -d /home/jain/tempRepo tag tmptag tmpmod/tmpfile

    # try to checkout tmpfile with the -p -r tmptag options
    cvs -d /home/jain/tempRepo co -P -p -r tmptag tmpmod/tmpfile

This results in the error message:

  Assertion failed: repository != NULL, file ../../src/recurse.c, line 641
  cvs [checkout aborted]: received abort signal

    # try to checkout tmpfile with the "-r tmptag" option (no -p option)
    cvs -d /home/jain/tempRepo co -P -r tmptag tmpmod/tmpfile

WORKS! Checks out tmpfile to the file system.

    # try the -p -r tmptag option again
    cvs -d /home/jain/tempRepo co -P -p -r tmptag tmpmod/tmpfile

WORKS!! No more problems using -pr option with the tmptag tag.

Thanks in advance for any help.

Abhi