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plugeth/build/ci-notes.md
Péter Szilágyi 734e00af9e
travis, build, internal: use own Go bundle for PPA builds (#20240) 
* build: bump PPAs to Go 1.13 (via longsleep), keep Trusty on 1.11

* travis, build, vendor: use own Go bundle for PPA builds

* travis, build, internal, vendor: smarter Go bundler, own untar

* build: updated ci-notes with new Go bundling, only make, don't test
2019-11-05 15:32:42 +02:00

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Debian Packaging

Tagged releases and develop branch commits are available as installable Debian packages for Ubuntu. Packages are built for the all Ubuntu versions which are supported by Canonical.

Packages of develop branch commits have suffix -unstable and cannot be installed alongside the stable version. Switching between release streams requires user intervention.

Launchpad

The packages are built and served by launchpad.net. We generate a Debian source package for each distribution and upload it. Their builder picks up the source package, builds it and installs the new version into the PPA repository. Launchpad requires a valid signature by a team member for source package uploads.

The signing key is stored in an environment variable which Travis CI makes available to certain builds. Since Travis CI doesn't support FTP, SFTP is used to transfer the packages. To set this up yourself, you need to create a Launchpad user and add a GPG key and SSH key to it. Then encode both keys as base64 and configure 'secret' environment variables PPA_SIGNING_KEY and PPA_SSH_KEY on Travis.

We want to build go-ethereum with the most recent version of Go, irrespective of the Go version that is available in the main Ubuntu repository. In order to make this possible, we bundle the entire Go sources into our own source archive and start the built job by compiling Go and then using that to build go-ethereum. On Trusty we have a special case requiring the ~gophers/ubuntu/archive PPA since Trusty can't even build Go itself. PPA deps are set at https://launchpad.net/%7Eethereum/+archive/ubuntu/ethereum/+edit-dependencies

Building Packages Locally (for testing)

You need to run Ubuntu to do test packaging.

Install any version of Go and Debian packaging tools:

$ sudo apt-get install build-essential golang-go devscripts debhelper python-bzrlib python-paramiko

Create the source packages:

$ go run build/ci.go debsrc -workdir dist

Then go into the source package directory for your running distribution and build the package:

$ cd dist/ethereum-unstable-1.9.6+bionic
$ dpkg-buildpackage

Built packages are placed in the dist/ directory.

$ cd ..
$ dpkg-deb -c geth-unstable_1.9.6+bionic_amd64.deb