[Bug 544738] New: cpanspec doesn't escape "/" in --filter-requires leading to bad sed statements

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Sun Dec 6 09:47:42 UTC 2009


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Summary: cpanspec doesn't escape "/" in --filter-requires leading to bad sed statements

https://bugzilla.redhat.com/show_bug.cgi?id=544738

           Summary: cpanspec doesn't escape "/" in --filter-requires
                    leading to bad sed statements
           Product: Fedora
           Version: 12
          Platform: All
        OS/Version: Linux
            Status: NEW
          Severity: medium
          Priority: low
         Component: cpanspec
        AssignedTo: steve at silug.org
        ReportedBy: bugzilla at kosowsky.org
         QAContact: extras-qa at fedoraproject.org
                CC: steve at silug.org, fedora-perl-devel-list at redhat.com
    Classification: Fedora


Description of problem:
cpanspec translates each "--filter-requires some_string" into a corresponding
sed statement in the corresponding perl-<module>-requires.sh of form:
    -e '/^some-string$/d'

However, when some_string is a path which then contains a slash "/", this
causes the sed statement to mess up.

In particular, one of the fuse modules I was compiling had some example perl
scripts which began with the line "#/usr/bin/perl." This caused the build to
then require "/usr/bin/perl" which I wanted to eliminate. When I added
"--filter-requires /usr/bin/perl", it caused *all* the sed statements to fail
with the error:
    sed: -e expression #1, char 4: unknown command: `u'

Either the documentation should warn that "/" must be escaped or *better*, the
script should automatically escape the forward slashes since the user has no
reason to think that "/" is a special character (and indeed, sed could have
used just about any character to demarcate the s program)

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