latex-watcher

watch_setup.sh

#!/bin/bash

# Install required packages if not present
check_and_install_dependencies() {
    local packages=("inotify-tools" "texlive" "texlive-latex-extra" "biber")
    
    echo "Checking and installing dependencies..."
    for package in "${packages[@]}"; do
        if ! dpkg -l | grep -q "^ii  $package "; then
            sudo apt-get install -y "$package"
        fi
    done
}

# Create the auto-compilation script
create_watcher_script() {
    local watch_script="/usr/local/bin/latex-autocompile"
    
    echo "Creating LaTeX auto-compilation script..."
    sudo tee "$watch_script" > /dev/null << 'EOF'
#!/bin/bash

if [ $# -ne 1 ]; then
    echo "Usage: $0 <tex-file>"
    exit 1
fi

TEX_FILE="$1"
DIR=$(dirname "$TEX_FILE")
FILENAME=$(basename "$TEX_FILE")
BASE="${FILENAME%.tex}"

cd "$DIR"

# Initial compilation
pdflatex -interaction=nonstopmode "$FILENAME"
biber "$BASE"
pdflatex -interaction=nonstopmode "$FILENAME"
pdflatex -interaction=nonstopmode "$FILENAME"

echo "Watching for changes in $TEX_FILE..."

inotifywait -m -e modify "$TEX_FILE" |
while read -r directory events filename; do
    echo "Change detected, recompiling..."
    pdflatex -interaction=nonstopmode "$FILENAME"
    
    # Check if bibliography changed
    if grep -q "\\bibliography{" "$FILENAME"; then
        biber "$BASE"
        pdflatex -interaction=nonstopmode "$FILENAME"
    fi
    
    pdflatex -interaction=nonstopmode "$FILENAME"
    
    echo "Compilation complete!"

    # wait for 1 second before next compilation
    sleep 1
done
EOF

    # Make the script executable
    sudo chmod +x "$watch_script"
}

# Create a systemd service for autostart (optional)
create_systemd_service() {
    local service_file="/etc/systemd/system/[email protected]"
    
    echo "Creating systemd service..."
    sudo tee "$service_file" > /dev/null << 'EOF'
[Unit]
Description=LaTeX Auto-compilation Service for %I
After=network.target

[Service]
Type=simple
ExecStart=/usr/local/bin/latex-autocompile %I
Restart=always
User=%u

[Install]
WantedBy=multi-user.target
EOF

    sudo systemctl daemon-reload
}

# Main setup
main() {
    echo "Setting up LaTeX auto-compilation..."
    
    check_and_install_dependencies
    create_watcher_script
    create_systemd_service
    
    echo -e "\nSetup complete! You can now use latex-autocompile in two ways:"
    echo "1. Direct usage: latex-autocompile path/to/your/file.tex"
    echo "2. As a service: sudo systemctl enable --now latex-autocompile@/absolute/path/to/your/file.tex"
    echo -e "\nHappy TeXing! 📚"
}

main

Claude made this btw, its insane