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#!/bin/sh
# Exit immediately if a command fails
set -e
# Overview
echo "=================================================="
echo "This script will perform the following actions:"
echo " 1. Check your home for ~/Projects"
echo " 2. Update the system package repository."
echo " 3. Clone vlang into ~/Projects and build it"
echo " 4. Build all v tools and recompile it with prod"
echo "=================================================="
# Ask for confirmation
read -p "Do you want to proceed? [y/N]: " -r response
response=$(echo "$response" | tr '[:upper:]' '[:lower:]')
if [[ "$response" != "y" ]]; then
echo "Operation cancelled."
exit 1
fi
# Helper function to run commands with sudo if not already root
run_as_root() {
if [ "$(id -u)" -eq 0 ]; then
"$@"
else
# Asking for sudo permission before executing
sudo "$@"
fi
}
# Get projects directory and create it if necessary
PROJECTS_DIR="${XDG_PROJECTS_DIR:-$HOME/Projects}"
if [ ! -d "$PROJECTS_DIR" ]; then
echo "Creating directory $PROJECTS_DIR"
mkdir -p "$PROJECTS_DIR"
else
echo "Found $PROJECTS_DIR"
fi
if [ "$(id -u)" -ne 0 ]; then
echo "Privileged access required to install packages."
sudo -v || { echo "Authentication failed."; exit 1; }
fi
# Install all necessary packages for vlang
PACKAGES="git build-essential libsqlite3-dev sqlite3 unixodbc postgresql-client libpq-dev libxi-dev libxcursor-dev mesa-common-dev make"
echo "Updating package lists..."
run_as_root apt-get update -y
echo "Installing packages: $PACKAGES"
if run_as_root apt-get install -y $PACKAGES; then
echo "Success: All packages were installed successfully!"
else
# This block triggers if set -e isn't used or if custom failure logic is needed
echo "Error: Package installation failed." >&2
exit 1
fi
# Clone and Build Vlang inside PROJECTS_DIR (as regular user)
cd "$PROJECTS_DIR"
if [ -d "v" ]; then
echo "Directory 'v' already exists in $PROJECTS_DIR. Skipping clone."
else
echo "Cloning V repository..."
git clone --depth=1 https://github.com/vlang/v
fi
echo "Building V..."
cd v
make
# Verify vlang executable
if [ -x "./v" ]; then
echo "Success: V compiler successfully built!"
echo "Executable path: $(pwd)/v"
else
echo "Error: V build failed. Binary not found." >&2
exit 1
fi
# Build v for prod + tools
./v -prod self
./v -prod build-tools
# Symlink V
echo "Creating symlink..."
run_as_root ./v symlink
# Verify symlink
hash -r 2>/dev/null || true
if command -v v >/dev/null 2>&1; then
echo "Success: V is installed and available in PATH!"
v version
else
echo "Error: 'v' command was not found in PATH." >&2
exit 1
fi
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