Introduction

I previously installed the Scoop package manager on my computer, but since Windows can't install certain applications, and I don't want to install WSL, I found out that I can create a Unix-like environment and command-line interface using tools like Cygwin or MSYS2. Notably, Git for Windows comes pre-packaged with a minimal MSYS2 environment called Git BASH, so I decided to give it a try.

Installing Git for Windows

Download Link: https://gitforwindows.org/

(If you already have this essential software installed, you can skip this step.)

Preparing Binary Files

Download

You can find pacman in the MSYS2 package repository: https://packages.msys2.org/package/pacman?repo=msys&variant=x86_64

Download the corresponding pkg.tar.zst file and all Dependencies corresponding pkg.tar.zst files to the Git installation directory. The core files generally include:
pacman, gnupg, msys2-keyring, pacman-mirrors, zstd, etc.

Extract

Since Scoop is already installed, you can use Scoop to install zstd. If not, please visit the official website.

scoop install zstd

Extract the files using:

zstd -d *.zst
for file in *.tar; do
  tar xvf "$file" -C /
done

Initialization

pacman-key --init && pacman-key --populate msys2

Usage

pacman -Sy

tmux

pacman -S tmux --overwrite "*"

zsh-related

Install zsh:

pacman -S zsh --overwrite "*"

Set zsh as the default shell:

vim ~/.bashrc

Add the following:

# Launch Zsh
if [ -t 1 ]; then
exec zsh
fi

Install Oh My Zsh:

sh -c "$(curl -fsSL https://raw.github.com/ohmyzsh/ohmyzsh/master/tools/install.sh)"

Download plugins like Zsh-Autosuggestions, Zsh-Syntax-Highlighting, etc.:

git clone https://github.com/zsh-users/zsh-autosuggestions ${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/plugins/zsh-autosuggestions

git clone https://github.com/zsh-users/zsh-syntax-highlighting.git ${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/plugins/zsh-syntax-highlighting

Configure .zshrc:

vim ~/.zshrc

Add or modify:

plugins=(git zsh-autosuggestions zsh-syntax-highlighting)

Then, apply the changes:

source .zshrc

Additional Notes

  1. Installing MSYS2 directly and using pacman to install Git can completely skip these steps.

  2. If you encounter the error failed to synchronize all databases (invalid or corrupted database (PGP signature)) or error: mingw32: signature from "Christoph Reiter (MSYS2 master key) <[email protected]>" is unknown trust, ensure that all dependencies are fully downloaded and extracted to the correct location. Alternatively, you can try:

    rm -r /etc/pacman.d/gnupg/

    Then reinitialize.

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