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 Post subject: How to apply patches
PostPosted: Thu Nov 25, 2004 3:26 am 
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Joined: Sat Oct 23, 2004 10:03 am
Posts: 7
Where do you get the patches?
You can get the patches at http://www.cacti.net/downloads/patches/. Choose your current version and download the patch(es) to your running cacti directory.

Where to place the patches?
Have a look at the patch file. You will see something like
Code:
--- cacti-release-0.8.6/user_admin.php  2004-08-29 11:36:04.000000000 -0400
+++ cacti-unstable/user_admin.php       2004-11-02 00:28:15.000000000 -0500

This patch goes to the cacti main directory.
Often you will see something like
Code:
--- cacti-0.8.6b/lib/functions.php      2004-10-06 22:20:35.000000000 -0400
+++ cacti-0.8.6b-new/lib/functions.php  2004-11-14 20:49:56.000000000 -0500

Put this patch into cacti ./lib/ directory.

How to apply the patch?
Ok, I only know how to patch for linux. There is (or at least: should be) a programm called patch. cd to the requested directory, e.g. the cacti ./lib/ directory. Then apply the patch via
Code:
patch < filename_of_the_patch_you_want_to_apply


What will look strange?
Sometimes, you will see
    # patch < xml_import_error_reporting.patch
    patching file config_arrays.php
    can't find file to patch at input line 26
    Perhaps you should have used the -p or --strip option?
    The text leading up to this was:
    --------------------------
    |diff -ruBbd cacti-0.8.6b/lib/import.php cacti-0.8.6b-new/lib/import.php
    |--- cacti-0.8.6b/lib/import.php 2004-10-06 22:20:35.000000000 -0400
    |+++ cacti-0.8.6b-new/lib/import.php 2004-11-17 17:55:28.000000000 -0500
    --------------------------
    File to patch:
Answer with the requested filename
    File to patch: ../lib/import.php
    patching file ../lib/import.php
(All file names in italics will vary according to the specific patch)

What, if patch applied in incorrect order?
If there are 2 or more patches going to the same file, the line numbers used may not match exactly. You will see
    # patch < cdef_similar_data_sources.patch
    patching file rrd.php
    Hunk #1 succeeded at 802 (offset 4 lines).
    Hunk #3 succeeded at 823 (offset 4 lines).
    Hunk #5 succeeded at 847 (offset 4 lines).

That's fine, you should not be worried.

Cheers


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