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|
<HTML
><HEAD
><TITLE
>Upgrading to New Releases</TITLE
><META
NAME="GENERATOR"
CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+
"><LINK
REL="HOME"
TITLE="The Bugzilla Guide - 2.17.4 Development Release"
HREF="index.html"><LINK
REL="UP"
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REL="NEXT"
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><BODY
CLASS="section"
BGCOLOR="#FFFFFF"
TEXT="#000000"
LINK="#0000FF"
VLINK="#840084"
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><DIV
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><TABLE
SUMMARY="Header navigation table"
WIDTH="100%"
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><TR
><TH
COLSPAN="3"
ALIGN="center"
>The Bugzilla Guide - 2.17.4 Development Release</TH
></TR
><TR
><TD
WIDTH="10%"
ALIGN="left"
VALIGN="bottom"
><A
HREF="cust-change-permissions.html"
ACCESSKEY="P"
>Prev</A
></TD
><TD
WIDTH="80%"
ALIGN="center"
VALIGN="bottom"
>Chapter 5. Administering Bugzilla</TD
><TD
WIDTH="10%"
ALIGN="right"
VALIGN="bottom"
><A
HREF="integration.html"
ACCESSKEY="N"
>Next</A
></TD
></TR
></TABLE
><HR
ALIGN="LEFT"
WIDTH="100%"></DIV
><DIV
CLASS="section"
><H1
CLASS="section"
><A
NAME="upgrading"
></A
>5.9. Upgrading to New Releases</H1
><DIV
CLASS="warning"
><P
></P
><TABLE
CLASS="warning"
WIDTH="100%"
BORDER="0"
><TR
><TD
WIDTH="25"
ALIGN="CENTER"
VALIGN="TOP"
><IMG
SRC="../images/warning.gif"
HSPACE="5"
ALT="Warning"></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
>Upgrading is a one-way process. You should backup your database
and current Bugzilla directory before attempting the upgrade. If you wish
to revert to the old Bugzilla version for any reason, you will have to
restore from these backups.
</P
></TD
></TR
></TABLE
></DIV
><P
>Upgrading Bugzilla is something we all want to do from time to time,
be it to get new features or pick up the latest security fix. How easy
it is to update depends on a few factors.
</P
><P
></P
><UL
><LI
><P
>If the new version is a revision or a new point release</P
></LI
><LI
><P
>How many, if any, local changes have been made</P
></LI
></UL
><P
>There are also three different methods to upgrade your installation.
</P
><P
></P
><OL
TYPE="1"
><LI
><P
>Using CVS (<A
HREF="upgrading.html#upgrade-cvs"
>Example 5-1</A
>)</P
></LI
><LI
><P
>Downloading a new tarball (<A
HREF="upgrading.html#upgrade-tarball"
>Example 5-2</A
>)</P
></LI
><LI
><P
>Applying the relevant patches (<A
HREF="upgrading.html#upgrade-patches"
>Example 5-3</A
>)</P
></LI
></OL
><P
>Which options are available to you may depend on how large a jump
you are making and/or your network configuration.
</P
><P
>Revisions are normally released to fix security vulnerabilities
and are distinguished by an increase in the third number. For example,
when 2.16.2 was released, it was a revision to 2.16.1.
</P
><P
>Point releases are normally released when the Bugzilla team feels
that there has been a significant amount of progress made between the
last point release and the current time. These are often proceeded by a
stabilization period and release candidates, however the use of
development versions or release candidates is beyond the scope of this
document. Point releases can be distinguished by an increase in the
second number, or minor version. For example, 2.16.2 is a newer point
release than 2.14.5.
</P
><P
>The examples in this section are written as if you were updating
to version 2.16.2. The procedures are the same regardless if you are
updating to a new point release or a new revision. However, the chance
of running into trouble increases when upgrading to a new point release,
escpecially if you've made local changes.
</P
><P
>These examples also assume that your Bugzilla installation is at
<TT
CLASS="filename"
>/var/www/html/bugzilla</TT
>. If that is not the case,
simply substitute the proper paths where appropriate.
</P
><DIV
CLASS="example"
><A
NAME="upgrade-cvs"
></A
><P
><B
>Example 5-1. Upgrading using CVS</B
></P
><P
>Every release of Bugzilla, whether it is a revision or a point
release, is tagged in CVS. Also, every tarball we have distributed
since version 2.12 has been primed for using CVS. This does, however,
require that you are able to access cvs-mirror.mozilla.org on port
2401.
<DIV
CLASS="tip"
><P
></P
><TABLE
CLASS="tip"
WIDTH="100%"
BORDER="0"
><TR
><TD
WIDTH="25"
ALIGN="CENTER"
VALIGN="TOP"
><IMG
SRC="../images/tip.gif"
HSPACE="5"
ALT="Tip"></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
>If you can do this, updating using CVS is probably the most
painless method, especially if you have a lot of local changes.
</P
></TD
></TR
></TABLE
></DIV
>
</P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><FONT
COLOR="#000000"
><PRE
CLASS="programlisting"
> bash$ <B
CLASS="command"
>cd /var/www/html/bugzilla</B
>
bash$ <B
CLASS="command"
>cvs login</B
>
Logging in to :pserver:anonymous@cvs-mirror.mozilla.org:2401/cvsroot
CVS password: <B
CLASS="command"
>anonymous</B
>
bash$ <B
CLASS="command"
>cvs -q update -r BUGZILLA-2_16_2 -dP</B
>
P checksetup.pl
P collectstats.pl
P globals.pl
P docs/rel_notes.txt
P template/en/default/list/quips.html.tmpl
</PRE
></FONT
></TD
></TR
></TABLE
><P
> <DIV
CLASS="caution"
><P
></P
><TABLE
CLASS="caution"
WIDTH="100%"
BORDER="0"
><TR
><TD
WIDTH="25"
ALIGN="CENTER"
VALIGN="TOP"
><IMG
SRC="../images/caution.gif"
HSPACE="5"
ALT="Caution"></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
>If a line in the output from <B
CLASS="command"
>cvs update</B
>
begins with a <TT
CLASS="computeroutput"
>C</TT
> that represents a
file with local changes that CVS was unable to properly merge. You
need to resolve these conflicts manually before Bugzilla (or at
least the portion using that file) will be usable.
</P
></TD
></TR
></TABLE
></DIV
>
<DIV
CLASS="note"
><P
></P
><TABLE
CLASS="note"
WIDTH="100%"
BORDER="0"
><TR
><TD
WIDTH="25"
ALIGN="CENTER"
VALIGN="TOP"
><IMG
SRC="../images/note.gif"
HSPACE="5"
ALT="Note"></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
>You also need to run <B
CLASS="command"
>./checksetup.pl</B
>
before your Bugzilla upgrade will be complete.
</P
></TD
></TR
></TABLE
></DIV
>
</P
></DIV
><DIV
CLASS="example"
><A
NAME="upgrade-tarball"
></A
><P
><B
>Example 5-2. Upgrading using the tarball</B
></P
><P
>If you are unable or unwilling to use CVS, another option that's
always available is to download the latest tarball. This is the most
difficult option to use, especially if you have local changes.
</P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><FONT
COLOR="#000000"
><PRE
CLASS="programlisting"
> bash$ <B
CLASS="command"
>cd /var/www/html</B
>
bash$ <B
CLASS="command"
>wget ftp://ftp.mozilla.org/pub/webtools/bugzilla-2.16.2.tar.gz</B
>
<EM
>Output omitted</EM
>
bash$ <B
CLASS="command"
>tar xzvf bugzilla-2.16.2.tar.gz</B
>
bugzilla-2.16.2/
bugzilla-2.16.2/.cvsignore
bugzilla-2.16.2/1x1.gif
<EM
>Output truncated</EM
>
bash$ <B
CLASS="command"
>cd bugzilla-2.16.2</B
>
bash$ <B
CLASS="command"
>cp ../bugzilla/localconfig* .</B
>
bash$ <B
CLASS="command"
>cp -r ../bugzilla/data .</B
>
bash$ <B
CLASS="command"
>cd ..</B
>
bash$ <B
CLASS="command"
>mv bugzilla bugzilla.old</B
>
bash$ <B
CLASS="command"
>mv bugzilla-2.16.2 bugzilla</B
>
bash$ <B
CLASS="command"
>cd bugzilla</B
>
bash$ <B
CLASS="command"
>./checksetup.pl</B
>
<EM
>Output omitted</EM
>
</PRE
></FONT
></TD
></TR
></TABLE
><P
> <DIV
CLASS="warning"
><P
></P
><TABLE
CLASS="warning"
WIDTH="100%"
BORDER="0"
><TR
><TD
WIDTH="25"
ALIGN="CENTER"
VALIGN="TOP"
><IMG
SRC="../images/warning.gif"
HSPACE="5"
ALT="Warning"></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
>The <B
CLASS="command"
>cp</B
> commands both end with periods which
is a very important detail, it tells the shell that the destination
directory is the current working directory. Also, the period at the
beginning of the <B
CLASS="command"
>./checksetup.pl</B
> is important and
can not be omitted.
</P
></TD
></TR
></TABLE
></DIV
>
<DIV
CLASS="note"
><P
></P
><TABLE
CLASS="note"
WIDTH="100%"
BORDER="0"
><TR
><TD
WIDTH="25"
ALIGN="CENTER"
VALIGN="TOP"
><IMG
SRC="../images/note.gif"
HSPACE="5"
ALT="Note"></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
>You will now have to reapply any changes you have made to your
local installation manually.
</P
></TD
></TR
></TABLE
></DIV
>
</P
></DIV
><DIV
CLASS="example"
><A
NAME="upgrade-patches"
></A
><P
><B
>Example 5-3. Upgrading using patches</B
></P
><P
>The Bugzilla team will normally make a patch file available for
revisions to go from the most recent revision to the new one. You could
also read the release notes and grab the patches attached to the
mentioned bug, but it is safer to use the released patch file as
sometimes patches get changed before they get checked in (for minor
spelling fixes and the like). It is also theorectically possible to
scour the fixed bug list and pick and choose which patches to apply
from a point release, but this is not recommended either as what you'll
end up with is a hodge podge Bugzilla that isn't really any version.
This would also make it more difficult to upgrade in the future.
</P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><FONT
COLOR="#000000"
><PRE
CLASS="programlisting"
> bash$ <B
CLASS="command"
>cd /var/www/html/bugzilla</B
>
bash$ <B
CLASS="command"
>wget ftp://ftp.mozilla.org/pub/webtools/bugzilla-2.16.1-to-2.16.2.diff.gz</B
>
<EM
>Output omitted</EM
>
bash$ <B
CLASS="command"
>gunzip bugzilla-2.16.1-to-2.16.2.diff.gz</B
>
bash$ <B
CLASS="command"
>patch -p1 < bugzilla-2.16.1-to-2.16.2.diff</B
>
patching file checksetup.pl
patching file collectstats.pl
patching file globals.pl
</PRE
></FONT
></TD
></TR
></TABLE
><P
> <DIV
CLASS="caution"
><P
></P
><TABLE
CLASS="caution"
WIDTH="100%"
BORDER="0"
><TR
><TD
WIDTH="25"
ALIGN="CENTER"
VALIGN="TOP"
><IMG
SRC="../images/caution.gif"
HSPACE="5"
ALT="Caution"></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
>If you do this, beware that this doesn't change the entires in
your <TT
CLASS="filename"
>CVS</TT
> directory so it may make
updates using CVS (<A
HREF="upgrading.html#upgrade-cvs"
>Example 5-1</A
>) more difficult in the
future.
</P
></TD
></TR
></TABLE
></DIV
>
</P
></DIV
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