Purpose of the Script This script automates the configuration changes required when upgrading to ASDF version 0.16.0 from earlier versions. The purpose is to: Safely back up the user's existing .zshrc configuration file Remove any outdated ASDF-related configuration lines Add the new required environment variables and PATH modifications for ASDF…

update-asdf-0.16-zshrc.sh

#!/bin/bash

# Create backup filename with current date and time
BACKUP_FILE=~/.zshrc.backup.$(date +%Y%m%d%H%M%S)

# Backup original file
cp ~/.zshrc "$BACKUP_FILE"
echo "Existing .zshrc file has been backed up to $BACKUP_FILE"

# Remove existing ASDF-related settings and create new file
grep -v "asdf\|ASDF_DATA_DIR" ~/.zshrc > ~/.zshrc.new

# Add new ASDF settings
echo 'export ASDF_DATA_DIR="$HOME/.asdf" && export PATH="$ASDF_DATA_DIR/shims:$HOME/bin:$PATH"' >> ~/.zshrc.new

# Replace original file
mv ~/.zshrc.new ~/.zshrc

# Output changes
echo -e "\nChanges made:"
diff "$BACKUP_FILE" ~/.zshrc

echo -e "\nSetup complete. Run 'source ~/.zshrc' or open a new terminal to apply changes."

$ asdf current
Name            Version         Source                                                                        Installed
elixir          1.16.3-otp-26   /Users/martin/.tool-versions                                                  false - Run `asdf install elixir 1.16.3-otp-26`
golang          1.23.2          /Users/martin/.tool-versions                                                  false - Run `asdf install golang 1.23.2`
nodejs          22.14.0         /Users/martin/Development/org_baryon_ai/npx-hi-garak/hello-mcp/.tool-versions true
python          3.10.15         /Users/martin/.tool-versions                                                  false - Run `asdf install python 3.10.15`
rust            1.84.0          /Users/martin/.tool-versions                                                  false - Run `asdf install rust 1.84.0`

$ asdf current                 
Name            Version         Source                                                                        Installed
elixir          1.16.3-otp-26   /Users/martin/.tool-versions                                                  true
golang          1.23.2          /Users/martin/.tool-versions                                                  true
nodejs          22.14.0         /Users/martin/Development/org_baryon_ai/npx-hi-garak/hello-mcp/.tool-versions true
python          3.10.15         /Users/martin/.tool-versions                                                  true
rust            1.84.0          /Users/martin/.tool-versions                                                  true