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audacity/linux/packages/prepare_offline_dependencies.sh
Dmitry Vedenko cf328b9d87 Add a framework to generate offline dependencies
`prepare_offline_dependencies.sh` will generate a tarball containing:

* Files required for PIP to install Conan
* Conan download cache

The resulting tarball content depends on CMake flags passed down
to the script.

`build_package.sh` demonstrates how to use the offline dependecies
to build Audacity. The script requires the exact CMake options that were
provided to `prepare_offline_dependencies.sh`

`build_packages.sh` allows validating the build process for different
Linux distros. It uses Docker to:

* Generate the dependencies tarball.
* Execute an offline build using `build_package.sh`.
* Generate distro specific packages, offline as well.
2021-08-02 19:52:15 +03:00

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#!/usr/bin/env bash
# Usage prepare_offline_environment.sh cmake-options...
set -euxo pipefail
packageName="audacity-offline-dependencies"
scriptLocation=$(dirname "$(readlink -f "$0")")
audacityLocation=$(readlink -f "$scriptLocation/../..")
resultsLocation=$(pwd)
packageLocation="$resultsLocation/$packageName"
echo "Audacity location: $audacityLocation"
echo "Result location: $resultsLocation"
mkdir -p $packageLocation
cd $packageLocation
# Create pip download cache containing all the
# packages requiredf to istall Conan
mkdir -p pip_cache
pushd pip_cache
pip3 download conan
popd
# Cache all Conan dependencies
mkdir -p temp
pushd temp
python3 -m venv conan_env
source conan_env/bin/activate
pip3 install --no-index --find-links "$packageLocation/pip_cache" conan
export CONAN_USER_HOME="$packageLocation/conan_home"
mkdir -p $CONAN_USER_HOME
conan config home
conan config init
conan config set storage.download_cache="$CONAN_USER_HOME/download_cache"
# Configure Audacity so we can collect the required
# packages.
cmake ${@} $audacityLocation
conan remove "*" --src --builds --packages --force
popd
rm -R temp
cd $resultsLocation
tar -czf "$packageName.tar.gz" $packageName
rm -R $packageLocation