4d5ba1497c
portage now generates /etc/python-exec/python-exec.conf based on the order of PYTHON_TARGETS in /etc/portage/make.conf fixes an issue where ARCH was being detected as amd64 not x86_64 fixes kernel installs (virtual/dist-kernel) standardizes simple if statements (note, the 'shorthand' method will pass the exit code back to shell but the 'longhand' does not). Change-Id: I74041c232bc6ab4d6e67a4ecfaa759aa4a5feb6c Signed-off-by: Matthew Thode <mthode@mthode.org>
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2.3 KiB
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56 lines
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========
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Gentoo
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========
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Use a Gentoo cloud image as the baseline for built disk images. The images are
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located in profile specific sub directories:
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http://distfiles.gentoo.org/releases/amd64/autobuilds/
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As of this writing, only amd64 and arm64 images are available.
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Notes:
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* There are very frequently new automated builds that include changes that
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happen during the product maintenance. The download directories contain an
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unversioned name and a versioned name. The unversioned name will always
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point to the latest image, but will frequently change its content. The
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versioned one will never change content, but will frequently be deleted and
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replaced by a newer build with a higher version-release number.
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* In order to run the package-installs element you will need to make sure
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`dev-python/pyyaml` is installed on the host.
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* In order to run the vm element you will need to make sure `sys-block/parted`
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is installed on the host.
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* Other profiles can be used by exporting GENTOO_PROFILE with a valid profile.
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A list of valid profiles follows:
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default/linux/amd64/17.1
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default/linux/amd64/17.1/no-multilib
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default/linux/amd64/17.1/hardened
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default/linux/amd64/17.1/no-multilib/hardened
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default/linux/amd64/17.1/systemd
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default/linux/arm64/17.0
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default/linux/arm64/17.0/systemd
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* You can set the `GENTOO_PORTAGE_CLEANUP` environment variable to False to
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disable the clean up of portage repositories (including overlays). This
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will make the image bigger if caching is also disabled.
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* Gentoo supports many different versions of python, in order to select one
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you may use the `GENTOO_PYTHON_TARGETS` environment variable to select
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the versions of python you want on your image. The format of this variable
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is a string as follows `"python2_7 python3_6"`.
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* You can enable overlays using the `GENTOO_OVERLAYS` variable. In it you
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should put a space separated list of overlays. The overlays must be in the
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official overlay list and must be git based.
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* `GENTOO_EMERGE_ENV` is a bash array containing default environment
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variables for package install, you can override it with another bash array.
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* `GENTOO_EMERGE_DEFAULT_OPTS` can be set to control the default options
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passed to emerge for all package actions, this includes operations like
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depclean and preserved-rebuild.
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