diskimage-builder/diskimage_builder/elements/gentoo/pre-install.d/10-install-desired-python

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#!/bin/bash
if [[ ${DIB_DEBUG_TRACE:-0} -gt 0 ]]; then
set -x
fi
set -eu
set -o pipefail
if mountpoint -q /dev/shm; then
echo "/dev/shm found in /proc/self/mountinfo"
elif [[ -k /dev/shm ]]; then
echo "/dev/shm exists and is stickied"
else
fix_shm
fi
if [[ ! -f /usr/portage/profiles ]]; then
emerge-webrsync -q
fi
# get the directories in order
mkdir -p /etc/portage/profile
mkdir -p /etc/portage/package.keywords
mkdir -p /etc/portage/package.use
# python-3.6 and python-3.5 are masked and considered unstable for some reason
echo "PYTHON_TARGETS=\"${GENTOO_PYTHON_TARGETS}\"" >> /etc/portage/make.conf
if [[ "${GENTOO_PYTHON_TARGETS}" == *"python3_6"* ]]; then
echo -e "-python_targets_python3_6\n-python_single_target_python3_6" >> /etc/portage/profile/use.stable.mask
echo 'dev-lang/python:3.6 ~amd64' >> /etc/portage/package.keywords/python
echo '~dev-python/setuptools-36.0.1 ~amd64' >> /etc/portage/package.keywords/python
echo '~dev-python/pyxattr-0.6.0 ~amd64' >> /etc/portage/package.keywords/python
echo '~sys-apps/kmod-24 ~amd64' >> /etc/portage/package.keywords/python
[[ ! -e /usr/lib64/libpython3.6m.so ]] && USE="-build" emerge -1q --jobs=2 dev-lang/python:3.6
fi
if [[ "${GENTOO_PYTHON_TARGETS}" == *"python3_5"* ]]; then
echo -e "-python_targets_python3_5\n-python_single_target_python3_5" >> /etc/portage/profile/use.stable.mask
echo 'dev-lang/python:3.5 ~amd64' >> /etc/portage/package.keywords/python
echo '~dev-python/setuptools-36.0.1 ~amd64' >> /etc/portage/package.keywords/python
[[ ! -e /usr/lib64/libpython3.5m.so ]] && USE="-build" emerge -1q --jobs=2 dev-lang/python:3.5
fi
[[ "${GENTOO_PYTHON_TARGETS}" == *"python3_4"* ]] && [[ ! -e /usr/lib64/libpython3.4m.so ]] && USE="-build" emerge -1q --jobs=2 dev-lang/python:3.4
[[ "${GENTOO_PYTHON_TARGETS}" == *"python2_7"* ]] && [[ ! -e /usr/lib64/libpython2.7.so ]] && USE="-build" emerge -1q --jobs=2 dev-lang/python:2.7
# disable python in git if we have to, it only supports python-2.7
if [[ "${GENTOO_PYTHON_TARGETS}" != *"python2_7"* ]]; then
echo 'dev-vcs/git -python' >> /etc/portage/package.use/git
fi
# make sure we have the new python for portage bevore we possibly remove python 2.7
USE="-build" emerge -q --oneshot --jobs=2 --with-bdeps=y --update --newuse --deep sys-apps/portage dev-python/pyxattr
# set the active python version
eselect python set ${GENTOO_PYTHON_ACTIVE_VERSION}
# allow these uninstalls to fail as they may not be installed to begin with
set +e
if [[ "${GENTOO_PYTHON_TARGETS}" != *"python2_7"* ]]; then
emerge -C -q dev-lang/python:2.7
fi
if [[ "${GENTOO_PYTHON_TARGETS}" != *"python3_4"* ]]; then
emerge -C -q dev-lang/python:3.4
fi
if [[ "${GENTOO_PYTHON_TARGETS}" != *"python3_5"* ]]; then
emerge -C -q dev-lang/python:3.5
fi
if [[ "${GENTOO_PYTHON_TARGETS}" != *"python3_6"* ]]; then
emerge -C -q dev-lang/python:3.6
fi
set -e
# make world consistant
USE="-build" emerge -q --complete-graph=y --jobs=2 --update --newuse --deep --with-bdeps=y @world
# rebuild packages that might need it
USE="-build" emerge -q --jobs=2 --usepkg=n @preserved-rebuild
# remove unneeded packages
USE="-build" emerge --verbose=n --depclean
# rebuild packages that might have somehow depended on the unneeded packages
USE="-build" emerge -q --jobs=2 --usepkg=n @preserved-rebuild
unfix_shm