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ESP-IDF Tools Installer for Windows

This directory contains source files required to build the tools installer for Windows.

The installer is built using Inno Setup. At the time of writing, the installer can be built with Inno Setup version 6.0.2.

The main source file of the installer is idf_tools_setup.iss. PascalScript code is split into multiple *.iss.inc files.

Some functionality of the installer depends on additional programs:

Inno Download Plugin — used to download additional files during the installation.
7-zip — used to extract downloaded IDF archives.
cmdlinerunner — a helper DLL used to run external command-line programs from the installer, capture live console output, and get the exit code.

Installation of dependencies via Chocolatey

Run with Administrator privileges:

choco install inno-download-plugin

Building the installer

In Docker

This uses wine-innosetup Docker image and build_installer.sh script. This is how the installer is built in CI.

docker run --rm -v $IDF_PATH:/idf -w /idf/tools/windows/tool_setup -it $CI_DOCKER_REGISTRY/wine-innosetup:1 /bin/bash build_installer.sh

Windows development env with WSL2 and Windows Docker Containers

The best approach to quickly develop and test all aspects of the build process is to use Windows with WSL2.

Requirements:

WSL2 and Ubuntu distribution via Microsoft Store
Install Windows Terminal - https://github.com/microsoft/terminal
Install Docker and switch container runner to Windows
Install Visual Studio Code - install plugin for Inno Setup and Docker
Install Inno Setup - choco install innnosetup

The first build of the installer

This step is bootstrapping the whole process. Open Windows Terminal, click + sign and select Ubuntu.

cd tools/windows/tools_setup/
./build_installer.sh online

The setup will download the necessary dependencies and it will build the installer.

Build of offline version of the installer

The offline version is built by setting /DOFFLINE=yes to ISCC on the command-line. To speed up build, it's possible to redirect stdout of ISCC to the file.

./build_installer.sh offline >out.txt

To speed up development build it's possible to disable compression which is set by default to lzma.

./build_installer.sh offline none >out.txt

Development work in idf_tool_setup.iss

Open Inno Setup and open file idf_tool_setup.iss. This is the main file of the installer

Press CTRL+F9 to rebuild the whole installer. Inno Setup detects changes only in the main file. If you change anything in include files, you need to explicitly press CTRL+F9 to build and Run.

Press F9 to run the installer.

Additional parameters to speed up development could be passed via Run - Parameters

Development work in iss.inc files

The majority of code is store in iss.inc files. The best way to develop it is to open a whole esp-idf directory in Visual Studio Code.

To configure syntax highlight for inc files, open Settings CTRL+, search for Associations. In section TextEditor - Files find File: Associations. Click Add Item, set item to *.inc, set value to innnosetup.

Manually, step by step

Build cmdlinerunner DLL.
- On Linux/Mac, install mingw-w64 toolchain (i686-w64-mingw32-gcc). Then build the DLL using CMake:
```
mkdir -p cmdlinerunner/build
cd cmdlinerunner/build
cmake -DCMAKE_TOOLCHAIN_FILE=../toolchain-i686-w64-mingw32.cmake -DCMAKE_BUILD_TYPE=Release ..
cmake --build .
```
  This will produce cmdlinerunner.dll in the build directory.
- On Windows, it is possible to build using Visual Studio, with CMake support installed. By default, VS produces build artifacts in some hard to find directory. You can adjust this in CmakeSettings.json file generated by VS.
Download 7zip.exe ("standalone console version") and put it into unzip directory (to get unzip/7za.exe).
Download idf_versions.txt and place it into the current directory. The installer will use it as a fallback, if it can not download idf_versions.txt at run time.
Create the dist directory and populate it with the tools which should be bundled with the installer. At the moment the easiest way to obtain it is to use install.sh/install.bat in IDF, and then copy the contents of $HOME/.espressif/dist directory. If the directory is empty, the installer should still work, and the tools will be downloaded during the installation.
Build the installer using Inno Setup Compiler: ISCC.exe idf_tools_setup.iss.

Testing of the installer

Development and testing of the installer can be simplified by using command line parameters which can be passed to the installer.

Select Run - Parameters in Inno Setup and add parameters.

Example of parameters:

/SKIPSYSTEMCHECK=yes /IDFVERSIONSURL=http://localhost:8000/idf_versions.txt /GITRESET=no /GITREPO=C:/projects/esp-idf /GITRECURSIVE=no

These combinations of parameters will result:

SKIPSYSTEMCHECK=yes - The screen with System Check will be skipped.
IDFVERSIONURL - idf_versions.txt will be downloaded from localhost:8000
- it's possible to add branch name into idf_versions.txt, e.g. feature/win_inst
GITRESET=no - Git repository won't be reset after clone, it can save time and add custom changes in case of the zip archive with repository
GITREPO - The version will be cloned from the specific location, e.g. from a local directory
GITRECURSIVE=no - The clone of the repo won't contain modules, it speeds up the cloning process. Use when modules are not necessary.

Documentation of parameters is available in api-guides/tools/idf-windows-installer.rst

Testing installation in Docker with Windows containers

The testing script is stored in docker-compose.yml. The test performs full silent installation and executes the build of get-started example.

Commands for testing of online and offline installer with support for cache of dist and releases:

$env:IDF_VERSION="v4.1"; docker-compose.exe run idf-setup-test
$env:IDF_VERSION="v4.0.2"; docker-compose.exe run idf-setup-test
$env:IDF_VERSION="v3.3.4"; docker-compose.exe run idf-setup-test
$env:IDF_VERSION="release/v4.2"; docker-compose.exe run idf-setup-test
$env:IDF_VERSION="release/v4.1"; docker-compose.exe run idf-setup-test
$env:IDF_VERSION="release/v4.0"; docker-compose.exe run idf-setup-test
$env:IDF_VERSION="release/v3.3"; docker-compose.exe run idf-setup-test
$env:IDF_VERSION="master"; docker-compose.exe run idf-setup-test

Command for testing offline type of installer which contains everything but kitchen sink.:

$env:IDF_VERSION="v4.2"; docker-compose.exe run idf-setup-offline-test
$env:IDF_VERSION="release/v4.2"; docker-compose.exe run idf-setup-offline-test

The installation log is not displayed immediately on the screen. It's stored in the file and it's displayed when the installation finishes. The glitch of Inno Setup is that in case of failed installation it won't terminate and it keeps hanging.

Recommendation: Use Visual Studio Code with Docker plugin to work with container. The log file is then accessible under Docker - Containers - Container - Files - Temp - install.txt - right click - Open.

Testing multiple installations at once

Docker compose contains definition of multiple scenarios. The test can be launched by command:

$env:IDF_VERSION="v4.2"; docker-compose up --force-recreate

Note: --force-recreate is necessary otherwise the container will be just resumed from previous state.

Testing the installation in Hyper-V

Docker does not support the test of installation with GUI and enabled Windows Defender. These tests can be executed in Hyper-V available on Windows. Launch Hyper-V Manager, create VM, and connect to it.

Use the following command to copy the installer to Hyper-V machine with the name "win10":

 Copy-VMFile "win10"  -SourcePath C:\projects\esp-idf\tools\windows\tool_setup\Output\esp-idf-tools-setup-unsigned.exe -DestinationPath "C:\Users\Tester\Desktop\esp-idf-tools-setup-unsigned.exe" -CreateFullPath -FileSource Host -Force

Signing the installer

Obtain the signing key (e.g key.pem) and the certificate chain (e.g. certchain.pem). Set the environment variables to point to these files:
- export KEYFILE=key.pem
- export CERTCHAIN=certchain.pem
Run sign_installer.sh script. This will ask for the key.pem password and produce the signed installer in the Output directory. If you plan to run the script multiple times, you may also set KEYPASSWORD environment variable to the key.pem password, to avoid the prompt.

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