openSUSE Build Service

# Updating logstash from 7.2.0 to 7.4.0

## prep a local git checkout

- have a git checkout

git clone https://github.com/elastic/logstash.git

- checkout the last packaged version

git checkout v7.2.0

- branch off the 'patch tree'

git branch opensuse

- apply patches

<for every patch in https://build.opensuse.org/package/show/security:logging/logstash>
    git apply $patch

=> now you have a local git copy with all relevant patches

=> you can use this for all future version upgrades

## downloading a new version

- get off your local branch

git checkout master

- pull latest changes

git pull origin master

- fetch tags

git fetch origin

- now rebase your branch to the new version
  (rebase all diffs between v7.2.0 and the tip of the opensuse branch
   onto v7.4.0)

git rebase --onto v7.4.0 v7.2.0 opensuse

- fix any breakage

<$whatever>

- generate new patch set

git format-patch v7.4.0

## assemble new package

- checkout OBS package

osc co security:logging logstash

cd security/logging/logstash
  
- get new archive

wget https://github.com/elastic/logstash/archive/v7.4.0.tar.gz

- rename tarball

mv v7.4.0.tar.gz logstash-7.4.0.tar.gz
  
- drop old tarball

rm logstash-7.2.0.tar.gz

- replace patches

mv <git-checkout-dir>/00*.patch .

- update file list

osc addremove

- update .spec

vi logstash.spec

- update .changes

osc vc