### Perform Silent RubyInstaller Installation

Source: https://github.com/oneclick/rubyinstaller2/wiki/FAQ

Examples of using command-line flags to automate the RubyInstaller installation process.

```sh
c:\>rubyinstaller.exe /silent /dir="e:/my_test_ruby"

c:\>rubyinstaller.exe /verysilent /allusers /tasks=assocfiles,nomodpath
```

--------------------------------

### Initialize a Rails Application

Source: https://github.com/oneclick/rubyinstaller2/wiki/FAQ

Standard commands to install Rails, create a new project, generate a scaffold, and start the server.

```sh
gem install rails
rails new myapp
cd myapp
rails g scaffold cats name:string
rails db:migrate
rails s
```

--------------------------------

### Install Bundler and Dependencies

Source: https://github.com/oneclick/rubyinstaller2/wiki/FAQ

Install the `bundler` gem and then install application-specific gems using `bundle install`. This is recommended for updating Ruby installations.

```sh
gem install bundler
cd your-application
bundle install
```

--------------------------------

### Install Ruby using winget

Source: https://github.com/oneclick/rubyinstaller2/wiki/Microsoft-|-Store

Use this command to install Ruby if the Microsoft Store installation fails. It provides more detailed progress and error messages.

```bash
winget install "Ruby 4.0" --force
```

--------------------------------

### Install sqlite3 Gem with Dependencies

Source: https://github.com/oneclick/rubyinstaller2/blob/master/README.md

Installs the `sqlite3` gem by first installing its MSYS2 dependency using `pacman` and then installing the gem.

```sh
ridk exec pacman -S mingw-w64-x86_64-sqlite3
gem install sqlite3 --platform ruby
```

--------------------------------

### Unattended MSYS2 Installation

Source: https://github.com/oneclick/rubyinstaller2/wiki/FAQ

After an unattended MSYS2 installation, execute this command to complete the setup and enable `pacman`.

```bash
<dest-path>/bin/ridk install 1
```

--------------------------------

### Install nokogiri Gem with Dependencies

Source: https://github.com/oneclick/rubyinstaller2/blob/master/README.md

Installs the `nokogiri` gem by first installing its MSYS2 dependency (`libxslt`) using `pacman` and then installing the gem with system library support.

```sh
ridk exec pacman -S mingw-w64-x86_64-libxslt
gem install nokogiri --platform ruby -- --use-system-libraries
```

--------------------------------

### Example RubyInstaller Build Target

Source: https://github.com/oneclick/rubyinstaller2/blob/master/README.md

An example of a specific Rake build target for creating a 7z archive of the RubyInstaller with MSYS2 Devkit for Ruby 3.4.1 on x86 architecture.

```shell
rake ri:ruby-3.4.1-x86-msvcrt:archive-7z
```

--------------------------------

### Clone RubyInstaller2 and Install Dependencies

Source: https://github.com/oneclick/rubyinstaller2/blob/master/README.md

Clone the RubyInstaller2 repository and install its Ruby dependencies using Bundler. This is a prerequisite for running build tasks.

```shell
git clone https://github.com/oneclick/rubyinstaller2
cd rubyinstaller2
bundle install
```

--------------------------------

### Set Inno-Setup Path

Source: https://github.com/oneclick/rubyinstaller2/blob/master/README.md

Add the Inno-Setup compiler executable to your system's PATH environment variable. Ensure the path to 'iscc.exe' is correct for your installation.

```shell
set PATH=%PATH%;"c:\Program Files (x86)\Inno Setup 6"
```

--------------------------------

### Launch Certum Java Applet

Source: https://github.com/oneclick/rubyinstaller2/wiki/CertumCodeSigning

Starts the Certum certificate activation applet using the downloaded JNLP file. Ensure OpenJDK-8 and PCSC are correctly set up.

```bash
javaws ~/Downloads/CertumCryptoAgent_en.jnlp 
```

--------------------------------

### Install Signing Dependencies on Ubuntu

Source: https://github.com/oneclick/rubyinstaller2/wiki/CertumCodeSigning

Installs necessary packages including OpenJDK-8, PCSC, and smart card reader drivers. It also sets the default Java version to OpenJDK-8.

```bash
sudo apt install openjdk-8-jdk icedtea-netx libpcsclite-dev pcscd libacsccid1
sudo rm /usr/lib/jvm/default-java
sudo ln -sf /usr/lib/jvm/java-8-openjdk-amd64 /usr/lib/jvm/default-java
```

--------------------------------

### Silent Ruby Installation

Source: https://github.com/oneclick/rubyinstaller2/wiki/FAQ

Perform a very silent installation to a custom directory for the current user, excluding file associations, PATH updates, and RIDK installation.

```bash
c:\>rubyinstaller.exe /verysilent /currentuser /dir="d:/rubyABC" /tasks="noassocfiles,nomodpath,noridkinstall"
```

--------------------------------

### Set PATH for Portable Ruby Installation

Source: https://github.com/oneclick/rubyinstaller2/wiki/FAQ

Use this command in a Windows command prompt to add the Ruby bin directory to your system's PATH for portable installations. This allows you to run Ruby executables from any location.

```batch
SET PATH=f:/portable/ruby/bin;%PATH%
ruby -v
```

--------------------------------

### Install Yarn via MSYS2

Source: https://github.com/oneclick/rubyinstaller2/wiki/FAQ

Use the ridk tool to install Yarn within the MSYS2 environment for Rails compatibility.

```sh
ridk exec pacman -S %MINGW_PACKAGE_PREFIX%-yarn
```

--------------------------------

### Move Ruby Installation

Source: https://github.com/oneclick/rubyinstaller2/wiki/FAQ

Steps to uninstall Ruby partially, move the directory, and then reinstall Ruby into the new location.

```bash
c:\Ruby\unins000.exe /allfiles=no
```

--------------------------------

### Sign RubyInstaller executables

Source: https://github.com/oneclick/rubyinstaller2/wiki/Maintainers'-corner

Sign all downloaded .exe files using osslsigncode. This process re-signs with GPG and updates SHA256 hash values. Ensure osslsigncode is installed.

```bash
rake release:sign
```

--------------------------------

### Uninstall Ruby

Source: https://github.com/oneclick/rubyinstaller2/wiki/FAQ

Execute the uninstaller executable found in the Ruby installation directory to remove Ruby, MSYS2, and installed gems.

```bash
c:\Ruby\unins000.exe /SILENT /allfiles=yes
```

--------------------------------

### Enable MSYS2 and MINGW Tools

Source: https://github.com/oneclick/rubyinstaller2/wiki/FAQ

Run this command in a Windows command prompt or PowerShell to enable MSYS2 and MINGW tools for use with your Ruby installation. This is necessary for certain development tasks.

```batch
ridk enable
```

--------------------------------

### Uninstall Ruby (Keep MSYS2 and Gems)

Source: https://github.com/oneclick/rubyinstaller2/wiki/FAQ

Use this command to uninstall only Ruby files, preserving MSYS2 and installed gems.

```bash
c:\Ruby\unins000.exe /SILENT /allfiles=no
```

--------------------------------

### Verify PGP Signature of Download Files

Source: https://github.com/oneclick/rubyinstaller2/wiki/FAQ

These commands are executed within an MSYS2 shell to import the signing key and verify the PGP signature of a downloaded RubyInstaller executable. Ensure you have `curl` and `gpg` installed.

```sh
$ ridk exec sh -l
$ cd c:/Users/$USER/Downloads
$ curl https://rubyinstaller.org/ci.ri2-package-signing-key.asc | gpg --import
$ gpg --verify rubyinstaller-3.0.0-1-x64.exe.asc 
```

--------------------------------

### Configure Bundler for Source Gems

Source: https://github.com/oneclick/rubyinstaller2/wiki/FAQ

Forces Bundler to install gems from source, which may be necessary if binary gems are unavailable for the current Ruby version.

```sh
bundle config force_ruby_platform true
```

--------------------------------

### Verify MSYS2-Devkit location

Source: https://github.com/oneclick/rubyinstaller2/wiki/FAQ

Use the ridk tool to confirm which MSYS2 path is currently associated with a specific Ruby installation.

```bash
$ c:\Ruby26-x64\bin\ridk version
[...]
msys2:
  path: C:\msys64
```

--------------------------------

### Alternative Successful PGP Signature Verification

Source: https://github.com/oneclick/rubyinstaller2/wiki/FAQ

This is an alternative example of the output you might see after successfully verifying a PGP signature, indicating a good signature from a different key.

```sh
gpg:                using RSA key B5FF9149F95A59BFBCFDAF0543B526B8AAE32BA7
gpg: Good signature from "Lars Kanis <lars@greiz-reinsdorf.de>" [unknown]
```

--------------------------------

### Successful PGP Signature Verification

Source: https://github.com/oneclick/rubyinstaller2/wiki/FAQ

This is an example of the output you should see in an MSYS2 shell after successfully verifying a PGP signature. It confirms the integrity and authenticity of the downloaded file.

```sh
gpg: Signature made Sun Dec 27 21:45:05 2020 CET
gpg:                using RSA key A2A9BAD21B8D41522FE07214E11AE6CF30B77F3A
gpg: Good signature from "ci.ri2 package signing key" [full]
```

--------------------------------

### Display ridk use help

Source: https://github.com/oneclick/rubyinstaller2/wiki/The-ridk-tool

Shows usage and options for the ridk use sub-command, which manages Ruby version switching.

```text
Usage:
    ridk use [<option>] [--default] [--system-default]

Option:
                  Start interactive version selection
    list          Search and list installed ruby versions
    update        Save or update the found ruby versions to rubies.yml
    <number>      Change the active ruby version by index
    /<regex>/     Change the active ruby version by regex
    help          Display this help and exit

    --default         Store the active ruby version in the user or
    --system-default  system environment variables permanently
```

--------------------------------

### Serve the website locally

Source: https://github.com/oneclick/rubyinstaller2/wiki/Maintainers'-corner

Run a local Jekyll server to preview website changes before pushing them to the repository. Browse to http://localhost:4000 to view the site.

```bash
jekyll serve
```

--------------------------------

### List Available RubyInstaller Build Targets

Source: https://github.com/oneclick/rubyinstaller2/blob/master/README.md

Use the Rake command to list all available build targets for RubyInstaller. This command helps identify the specific build configuration you need.

```shell
rake -T
```

--------------------------------

### Display ridk help

Source: https://github.com/oneclick/rubyinstaller2/wiki/The-ridk-tool

Displays the available sub-commands and usage options for the ridk tool.

```text
  Usage:
      C:/Ruby24-x64/bin/ridk.cmd [option]

  Option:
      install                   Install MSYS2 and MINGW dev tools
      exec <command>            Execute a command within MSYS2 context
      enable                    Set environment variables for MSYS2
      disable                   Unset environment variables for MSYS2
      version                   Print RubyInstaller and MSYS2 versions
      use                       Switch to a different ruby version
      help | --help | -? | /?   Display this help and exit
```

--------------------------------

### Sign Executables with osslsigncode

Source: https://github.com/oneclick/rubyinstaller2/wiki/CertumCodeSigning

Signs an executable file using a certificate from a smart card. Requires specifying the PKCS#11 engine and module, certificate, key ID, password, and a timestamping authority.

```bash
osslsigncode sign \
  -verbose \
  -pkcs11engine /usr/lib/x86_64-linux-gnu/engines-3/libpkcs11.so \
  -pkcs11module /opt/proCertumCardManager/sc30pkcs11-3.0.6.68-MS.so \
  -certs <my-certificate>.pem \
  -key <key ID on the smart card> \
  -pass <smart card password> \
  -h sha256 \
  -t http://time.certum.pl/ \
  -in <to-be-signed>.exe \
  -out <signed-file>.exe
```

--------------------------------

### Tag a new RubyInstaller release

Source: https://github.com/oneclick/rubyinstaller2/wiki/Maintainers'-corner

Use this rake task to update the CHANGELOG.md, add a git tag, and annotate it with the relevant changelog section. Ensure you are on the master branch and up-to-date before running.

```bash
rake release:tag[RubyInstaller-2.4.1-3]
```

--------------------------------

### Debug DLL loading with GDB

Source: https://github.com/oneclick/rubyinstaller2/wiki/For-gem-developers

Commands to enable DLL loader debug flags via registry and run a Ruby process under GDB to inspect loading failures.

```bash
  regedit debug-loader.reg
  pacman -S mingw-w64-x86_64-gdb
  gdb --args ruby -S rails s
```

--------------------------------

### Inspect Certificate with OpenSSL

Source: https://github.com/oneclick/rubyinstaller2/wiki/CertumCodeSigning

Displays detailed information about a certificate file, including version, serial number, signature algorithm, issuer, validity period, subject, and public key details.

```bash
$ openssl x509 -in <my-certificate>.pem -text
```

--------------------------------

### Enable MSYS2 environment

Source: https://github.com/oneclick/rubyinstaller2/wiki/The-ridk-tool

Sets environment variables for a specific target environment, such as ucrt64.

```text
  ridk enable ucrt64
```

--------------------------------

### ridk Command Usage

Source: https://github.com/oneclick/rubyinstaller2/blob/master/README.md

Displays the available options for the `ridk` command-line tool, which manages MSYS2 components for RubyInstaller.

```sh
Usage:
    C:/Ruby24-x64/bin/ridk.cmd [option]

Option:
    install                   Install MSYS2 and MINGW dev tools
    exec <command>            Execute a command within MSYS2 context
    enable                    Set environment variables for MSYS2
    disable                   Unset environment variables for MSYS2
    version                   Print RubyInstaller and MSYS2 versions
    use                       Switch to a different ruby version
    help | --help | -? | /?   Display this help and exit
```

--------------------------------

### Select Ruby version by regex

Source: https://github.com/oneclick/rubyinstaller2/wiki/The-ridk-tool

Switches the active Ruby version in the current shell using a regular expression.

```sh
ridk use /25-/
```

```sh
ridk use /25$/
```

--------------------------------

### List Keys from PKCS11 Signature Stick

Source: https://github.com/oneclick/rubyinstaller2/wiki/CertumCodeSigning

Lists available keys on a PKCS11 signature device, showing the Key ID and Modulus for each. This helps in identifying the correct key for signing.

```bash
$ rake signtool:list-keys  # List keys from PKCS11 signature stick
========== Key 0 ==========
ID: ee96a6ada894a9ab64e47b7fec23a985c6d68d5b
Modulus: 9b96a45f661127ee...c7fa3bbdca53b591
========== Key 1 ==========
ID: 948d4a78793978fbbc8f77e43c1cd30251bfb137
Modulus: e7c40d3ff3117da7...2181fdc7dff33075
========== Key 2 ==========
ID: b31eefae6f8353837329fdf37d40664a1ea99937
Modulus: 928de2c7fe41eadf...3b4e3406168df055
========== Key 3 ==========
ID: 739d150ea2185d25c2f7bcd34cc8b733126686cb
Modulus: 962894b2eb2010c0...0b53fbbd67c0bfe5
```

--------------------------------

### Uninstall Ruby using winget

Source: https://github.com/oneclick/rubyinstaller2/wiki/Microsoft-|-Store

This command can be used to uninstall Ruby from the command line. Ensure you use the correct version number.

```bash
winget uninstall "Ruby 4.0.1-1-x64"
```

--------------------------------

### Execute command in MSYS2 context

Source: https://github.com/oneclick/rubyinstaller2/wiki/The-ridk-tool

Runs a command with MSYS2 environment variables properly configured. Note that this is limited to a maximum of 9 parameters.

```sh
  ridk exec pacman -Ss hello-world
```

--------------------------------

### Share MSYS2-Devkit across multiple Ruby versions

Source: https://github.com/oneclick/rubyinstaller2/wiki/FAQ

Move the MSYS2 directory to a common location and remove redundant copies to save disk space.

```batch
  move c:\Ruby27-x64\msys64 c:\
  rmdir /s /q c:\Ruby26-x64\msys64
  rmdir /s /q c:\Ruby25-x64\msys64
```

--------------------------------

### Add missing releases to downloads.yml

Source: https://github.com/oneclick/rubyinstaller2/wiki/Maintainers'-corner

This rake task retrieves missing releases from GitHub and populates the downloads.yml file. Ensure you have cloned the rubyinstaller.org-website repository first.

```bash
rake release:add
```

--------------------------------

### Push tags to remote server

Source: https://github.com/oneclick/rubyinstaller2/wiki/Maintainers'-corner

After creating a tag, push both the commit and the tag to the remote server to trigger automated builds.

```bash
git push --follow-tags
```

--------------------------------

### Define MSYS2 MINGW dependencies

Source: https://github.com/oneclick/rubyinstaller2/wiki/For-gem-developers

Specify MINGW package dependencies in the gemspec metadata. Omit architecture-specific prefixes like mingw-w64-i686-.

```ruby
gemspec.metadata['msys2_mingw_dependencies'] = 'libusb sqlite'
```

```ruby
gemspec.metadata['msys2_mingw_dependencies'] = 'libusb>=1.0.21'
```

--------------------------------

### Avoid shell escaping with Array arguments

Source: https://github.com/oneclick/rubyinstaller2/wiki/For-gem-developers

Use array-based arguments for system calls to bypass complex Windows shell escaping rules.

```ruby
system('program', 'with arguments')                     # instead of system("program 'with arguments'")
out = IO.popen(['program', 'with arguments'], &:read)   # instead of out = `program 'with arguments'`
sh "ruby", "program.rb", somearg                        # in a Rakefile
```

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