Customise AWS cloudshell or Amazon Linux 2 with nice utilities

shell-setup.sh

# Note for Cloudshell, only stuff in your home directory is saved.
# But, Cloudshell already has git and zsh available. So we just install custom binaries to ~/bin and update our path.

# you can whoami == cloudshell-user or $AWS_EXECUTION_ENV==CloudShell to detect cloudshell

# Start zsh on startup. No chsh :(
[[ $AWS_EXECUTION_ENV  == "CloudShell" ]] && echo "In CloudShell, no need to install git/zsh" || sudo yum -y install git zsh && echo zsh >> ~/.bashrc 

echo 'alias l="ls -lash"' >> ~/.zshrc

# Install oh-my-zsh
sh -c "$(curl -fsSL https://raw.github.com/ohmyzsh/ohmyzsh/master/tools/install.sh)" "" --unattended 

# Install powelevel10k
git clone --depth=1 https://github.com/romkatv/powerlevel10k.git ${ZSH_CUSTOM:-$HOME/.oh-my-zsh/custom}/themes/powerlevel10k &&
sed -i 's/robbyrussell/powerlevel10k\/powerlevel10k/' ~/.zshrc &&
. ~/.zshrc

# Add git-number
# Add zsh-autosuggestions
git clone https://github.com/zsh-users/zsh-autosuggestions ${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/plugins/zsh-autosuggestions
sed -i 's#plugins=(#plugins=(zsh-autosuggestions #' ~/.zshrc

# Add fast-syntax-highlighting

git clone https://github.com/z-shell/F-Sy-H.git ${ZSH_CUSTOM:-$HOME/.oh-my-zsh/custom}/plugins/F-Sy-H
sed -i 's#plugins=(#plugins=(F-Sy-H #' ~/.zshrc

mkdir ~/bin
# Update the standard oh-my-zsh .zshrc to include the local path
sed -i 's/# export PATH/export PATH/g' ~/.zshrc


# Add tldr
wget https://github.com/dbrgn/tealdeer/releases/download/v1.4.1/tldr-linux-x86_64-musl 
chmod +x tldr-linux-x86_64-musl 
mv tldr-linux-x86_64-musl $HOME/bin/
ln -s $HOME/bin/tldr-linux-x86_64-musl $HOME/bin/tldr
tldr --update

# rg - maybe not in cloudshell (because sudo?)
sudo yum-config-manager --add-repo=https://copr.fedorainfracloud.org/coprs/carlwgeorge/ripgrep/repo/epel-7/carlwgeorge-ripgrep-epel-7.repo
sudo yum install ripgrep

# fzf
git clone --depth 1 https://github.com/junegunn/fzf.git ~/.fzf
~/.fzf/install


# Add git-number
curl https://raw.githubusercontent.com/holygeek/git-number/master/git-id > ~/bin/git-id && chmod 0755 ~/bin/git-id
curl https://raw.githubusercontent.com/holygeek/git-number/master/git-list > ~/bin/git-list && chmod 0755 ~/bin/git-list
curl https://raw.githubusercontent.com/holygeek/git-number/master/git-number > ~/bin/git-number && chmod 0755 ~/bin/git-number

echo "alias gn='git-number'" >> ~/.zshrc
echo "alias l='ls -lashF'" >> ~/.zshrc

echo "Now run zsh to get to your new shell :) chsh if you like it"

Paste/userdata this to install (as ec2-user/cloudshell-user):

sh -c "$(curl -fsSL https://gist.githubusercontent.com/cam8001/92c0264c5938d90a44d399cf45817e3c/raw/31e77d2f87b9e7cf58b19a40b90e1fc93c924df3/shell-setup.sh)"