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Building a PureOS ISO image
A set of shell scripts that are used to configure the 'live-build' tool from Debian specifically for PureOS.
From: Matthias Klumpp <email@example.com> Date: Wed, 6 Mar 2019 22:04:37 +0100 Subject: Re: [PureOS] Building my own PureOS ISO image? Message-ID: <CAKNHny8ZXyzAD6fCa0WS2wDs_bxQcO0oKyFns3Q022yuCVkDKw@mail.gmail.com> > [..] That should be pretty easy. The basic process is the following (see below for replicating almost 100% of what our builders do): 1) Create a PureOS green chroot (just debootstrap green and chroot into PureOS) 1.1) /!\ All following steps happen inside of the PureOS chroot 2) Run `apt install live-build git ca-certificates` 3) cd /srv && git clone https://source.puri.sm/pureos/infra/make-live.git 4) cd /srv/make-live 5) Set the FLAVOR environment variable to what flavor of PureOS you want to build. Possible values are: * gnome-live * gnome-oem * plasma-live E.g. `export FLAVOR="gnome-oem"`. If no FLAVOR variable is set, the GNOME Live Flavor will be built by default 6) Run `lb config` 7) Run `lb build` 8) Have fun with a fresh new PureOS image! These steps can be sped up a lot and be automated by using debspawn, which is used to create the official PureOS images in a controlled environment. In order to use debspawn, just follow these steps: 1) Run `sudo apt install debspawn` 2) Then run `debspawn create green` 3) Create a new "build-pureos.sh" file with the following contents: ``` #!/bin/sh set -e set -x export FLAVOR="gnome-live" export DEBIAN_FRONTEND=noninteractive apt-get install -y git ca-certificates apt-get install -y live-build git clone --depth=2 https://source.puri.sm/pureos/infra/make-live.git /srv/build/lb cd /srv/build/lb/ lb config lb build b2sum *.iso *.contents *.zsync *.packages > checksums.b2sum sha256sum *.iso *.contents *.zsync *.packages > checksums.sha256sum mv *.iso /srv/artifacts mv -f *.zsync /srv/artifacts mv -f *.contents /srv/artifacts mv -f *.files /srv/artifacts mv -f *.packages /srv/artifacts mv -f *.b2sum /srv/artifacts mv -f *.sha256sum /srv/artifacts ``` 4) Make the .sh file executable and set the FLAVOR you want. 5) Tell debspawn to run the build and where to place the build result: `debspawn run --external-command --artifacts-out=/where/to/put/the/built/image green /path/to/build-pureos.sh` This should give you a replica of what our autobuilders did. You can also take a look at the actual code in Spark: https://github.com/lkorigin/laniakea-spark/blob/master/spark/runners/image_build.py#L30