[Koha-bugs] [Bug 25491] Perl warning at the login page of installer

[bugzilla-daemon at bugs.koha-community.org]

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=25491

--- Comment #1 from Slava Shishkin <slavashishkin at gmail.com> ---
Created attachment 104851
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https://bugs.koha-community.org/bugzilla3/attachment.cgi?id=104851&action=edit
Bug 25491: Fix for "Use of uninitialized value" in InstallAuth.pm

This warning was thrown:
    Use of uninitialized value $info{"invalid_username_or_password"}
    in numeric eq (==) at /home/vagrant/kohaclone/C4/InstallAuth.pm
    line 387.

There is the case when hash key can be undefined in numeric comparison.

Fixed by adding additional precheck for
$info{"invalid_username_or_password"} being Perl's "true".

To test:
    1) Go to the first page of the web-installer where it asks to login.
    2) Observe the warning in the log file.
    3) Apply patch.
    4) Repeat step 1.
    7) Check that previous warning suppressed.

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