Ogatak installation script (linux)

ogatak-install.sh

#!/bin/bash
# install script to make installing ogatak easier

REPO_URL="https://api.github.com/repos/rooklift/ogatak/releases/latest"
CONFIG_URL="https://raw.githubusercontent.com/sanderland/katrain/refs/heads/master/katrain/KataGo/analysis_config.cfg"

# Use curl to fetch the JSON data for the latest release
RELEASE_DATA=$(curl -s -H "Accept: application/json" "$REPO_URL" 2>/dev/null)

# Extract the URL of the latest release using jq
LATEST_RELEASE_URL=$(jq -r '.assets[0].browser_download_url' <<< "$RELEASE_DATA")

# Check each release URL to find one that contains 'linux'
for RELEASE in $ALL_RELEASES; do
  if [[ $RELEASE =~ linux ]]; then
    echo "Latest release is for Linux"
    LATEST_RELEASE_URL=$RELEASE
    break
  fi
done

if [ -z "$LATEST_RELEASE_URL" ]; then
  echo "Error: No release contains 'linux' in the URL"
  exit
fi

echo "$LATEST_RELEASE_URL"

# Check if katago exists in PATH
if command -v katago &> /dev/null; then
  KATAGO_PATH=$(which katago)
  echo "Katago found at: $KATAGO_PATH"
else
  echo "Error: Katago not found in PATH. Please install katago, or add it to PATH"
  exit
fi

# check for model files
MODEL_FILE=$(find /usr/share/katago/networks -name 'latest*.bin.gz' 2>/dev/null)

if [ -n "$MODEL_FILE" ]; then
  echo "Model file found: $MODEL_FILE"
else
  echo "No model file found. Manually add it in ogatak."
fi

# Setup config files
mkdir -p $HOME/.config/Ogatak
cd $HOME/.config/Ogatak
curl -o katrain_config.cfg $CONFIG_URL 2>/dev/null
touch config.json
cat > config.json <<EOF
{
	"engine": "${KATAGO_PATH}",
	"engineconfig": "${HOME}/.config/Ogatak/katrain_config.cfg",
	"weights": "${MODEL_FILE}"
}
EOF

# Download ogatak latest release
cd /tmp
wget -O release.zip "$LATEST_RELEASE_URL" 2>/dev/null && unzip -q -o release.zip 

# Install ogatak
echo "installing ogatak..."
sudo bash <<EOF
mkdir -p /opt/ogatak && rm -rf /opt/ogatak/* 
mv --force /tmp/$(basename -s .zip $LATEST_RELEASE_URL)/* /opt/ogatak
chmod a+rx /opt/ogatak/ogatak 
ln -f -s /opt/ogatak/ogatak /usr/bin/ogatak
EOF

if [ $? -ne 0 ]; then
    echo "Failed to install."
    exit 1
fi

# add desktop entry for ogatak
mkdir -p $HOME/.local/share/applications && touch $HOME/.local/share/applications/ogatak.desktop
cat > $HOME/.local/share/applications/ogatak.desktop <<EOF
[Desktop Entry]
Name=Ogatak
Comment=KataGo analysis GUI and SGF editor
Exec=/usr/bin/ogatak --no-sandbox
Terminal=false
Type=Application
EOF