mkosi.prepare

#!/bin/bash
# mkosi prepare script
# Runs before package installation to ensure repository configuration
# Uses /buildroot paths since this runs outside the chroot

set -euo pipefail

echo "==> Prepare: Configuring apt to use snapshot repository only"

# Ensure no mkosi-generated sources override our configuration
# Remove any auto-generated sources.list.d files that mkosi might have created
if [ -d "$BUILDROOT/etc/apt/sources.list.d" ]; then
    echo "Removing any auto-generated repository configurations..."
    rm -f "$BUILDROOT/etc/apt/sources.list.d"/*.list || true
    rm -f "$BUILDROOT/etc/apt/sources.list.d"/*.sources || true
fi

# Verify our snapshot-only sources.list is in place
if [ -f "$BUILDROOT/etc/apt/sources.list" ]; then
    echo "Verifying snapshot repository configuration..."
    if grep -q "snapshot.ubuntu.com" "$BUILDROOT/etc/apt/sources.list"; then
        echo "✓ Snapshot repository configuration verified"
    else
        echo "ERROR: sources.list does not contain snapshot.ubuntu.com"
        exit 1
    fi

    # Ensure no security.ubuntu.com or archive.ubuntu.com live repositories
    if grep -q "security.ubuntu.com\|archive.ubuntu.com" "$BUILDROOT/etc/apt/sources.list" | grep -v "^#"; then
        echo "ERROR: sources.list contains live repositories (security or archive)"
        cat "$BUILDROOT/etc/apt/sources.list"
        exit 1
    fi
else
    echo "ERROR: /etc/apt/sources.list not found in buildroot"
    exit 1
fi

echo "==> Prepare complete: Repository configuration verified"