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-rw-r--r--docs/en/xml/installation.xml20
1 files changed, 15 insertions, 5 deletions
diff --git a/docs/en/xml/installation.xml b/docs/en/xml/installation.xml
index 2697bb391..0a68c250f 100644
--- a/docs/en/xml/installation.xml
+++ b/docs/en/xml/installation.xml
@@ -1173,11 +1173,21 @@ bash# ./checksetup.pl
<section>
<title>Upgrading From Previous Versions</title>
<para>
- The developers of Bugzilla are constantly adding new tables, columns and
- fields. You'll get SQL errors if you just update the code. The strategy
- to update is to simply always run the checksetup.pl script whenever
- you upgrade your installation of Bugzilla. If you want to see what has
- changed, you can read the comments in that file, starting from the end.
+ A plain Bugzilla is fairly easy to upgrade from one version to a newer one.
+ However, things get a bit more complicated if you've made changes to
+ Bugzilla's code. In this case, you may have to re-make or reapply those
+ changes.
+ It is recommended that you take a backup of your database and your entire
+ Bugzilla installation before attempting an upgrade. You can upgrade a 'clean'
+ installation by untarring a new tarball over the old installation. If you
+ are upgrading from 2.12 or later, you can type <filename>cvs -z3
+ update</filename>, and resolve conflicts if there are any.
+ </para>
+ <para>
+ Because the developers of Bugzilla are constantly adding new tables, columns
+ and fields, you'll probably get SQL errors if you just update the code and
+ attempt to use Bugzilla. Always run the checksetup.pl script whenever
+ you upgrade your installation.
</para>
<para>
If you are running Bugzilla version 2.8 or lower, and wish to upgrade to