Add OSVM (Solana Version Manager) to Solana development environment

Co-authored-by: 0xrinegade <[email protected]>

Author: Copilot

README.md

@@ -126,6 +126,7 @@ The following Solana development tools are installed automatically during OSVMar
 | Tool | Version | Description |
 |------|---------|-------------|
 | **Solana CLI** | v2.3.8 (latest) | Official Solana command-line interface |
+| **OSVM** | latest | Solana Version Manager for switching between versions |
 | **Anchor Framework** | v0.29.0 | Rust framework for Solana program development |
 | **SPL Token CLI** | v4.0.0 | Command-line tools for SPL tokens |
 | **SPL Associated Token Account CLI** | v3.0.2 | Tools for managing associated token accounts |
@@ -143,6 +144,9 @@ solana-keygen new
 # Start a local test validator
 solana-test-validator
 
+# Switch to a specific Solana version
+osvm use 1.18.0
+
 # Create a new Anchor project
 anchor init my_solana_project
 

bin/osvmarchi-install-solana

@@ -40,6 +40,10 @@ if [[ ":$PATH:" != *":$HOME/.cargo/bin:"* ]]; then
     export PATH="$HOME/.cargo/bin:$PATH"
 fi
 
+# Install OSVM (Solana Version Manager)
+echo "📦 Installing OSVM (Solana Version Manager)..."
+cargo install osvm --locked --force
+
 # Install Anchor Version Manager and Anchor CLI
 echo "📦 Installing Anchor CLI v0.29.0..."
 if ! command -v avm &> /dev/null; then
@@ -68,6 +72,7 @@ echo -e "\n\e[32m🎉 Solana development environment installed successfully!\e[0
 
 echo "📋 Installed tools and versions:"
 echo "  • Solana CLI: v2.3.8 (latest)"
+echo "  • OSVM (Solana Version Manager): latest"
 echo "  • Anchor Framework: v0.29.0 (managed by AVM)"
 echo "  • SPL Token CLI: v4.0.0"
 echo "  • SPL Associated Token Account CLI: v3.0.2"
@@ -78,6 +83,7 @@ echo ""
 echo "🚀 Quick start commands:"
 echo "  • Create wallet:      solana-keygen new"
 echo "  • Start test validator: solana-test-validator"
+echo "  • Switch Solana version: osvm use <version>"
 echo "  • Create Anchor project: anchor init my_project"
 echo "  • Create SPL token:   spl-token create-token"
 echo "  • Initialize Candy Machine: sugar create-config"