run

#!/usr/bin/with-contenv bash
# shellcheck shell=bash

# create folders
mkdir -p \
    /app/www/public \
    /config/www/nextcloud/apps \
    /config/www/nextcloud/config \
    /config/www/nextcloud/themes \
    /data

# migrate legacy install (copy inside container)
if [[ -f /config/www/nextcloud/version.php ]]; then
    echo "Migrating legacy install (this can take a while) ...)"
    rsync -rlD --remove-source-files --exclude-from=/app/upgrade.exclude /config/www/nextcloud/ /app/www/public/
    rm -rf /config/www/nextcloud/updater/
    find \
        /config/www/nextcloud/ \
        -type d -empty \
        ! -path "/config/www/nextcloud/apps" \
        ! -path "/config/www/nextcloud/config" \
        ! -path "/config/www/nextcloud/themes" \
        -delete
    touch /config/www/nextcloud/config/needs_migration
fi

# symlink config folders
for dir in apps config themes; do
    if [[ "$(readlink /app/www/public/${dir})" != "/config/www/nextcloud/${dir}" ]]; then
        rm -rf "/app/www/public/${dir}"
        ln -s "/config/www/nextcloud/${dir}" "/app/www/public/${dir}"
        lsiown abc:abc "/config/www/nextcloud/${dir}" "/app/www/public/${dir}"
    fi
done

# get versions
image_version=$(php -r "require '/app/www/src/version.php'; echo implode('.', \$OC_Version);" 2>/dev/null | xargs)
installed_version=$(php -r "require '/config/www/nextcloud/config/config.php'; echo \$CONFIG['version'];" 2>/dev/null | xargs)
if [[ "${installed_version}" = "" ]]; then
    installed_version="0.0.0.0"
fi
image_major="${image_version%%.*}"
installed_major="${installed_version%%.*}"
((max_upgrade = installed_major + 1))

# compare versions
vergte() { printf '%s\n%s' "${2}" "${1}" | sort -C -V; }
vergt() { ! vergte "${2}" "${1}"; }
verlte() { printf '%s\n%s' "${1}" "${2}" | sort -C -V; }
verlt() { ! verlte "${2}" "${1}"; }

if vergt "${installed_version}" "${image_version}"; then
    echo "Can't start Nextcloud because the version of the data (${installed_version}) is higher than the docker image version (${image_version}) and downgrading is not supported. Are you sure you have pulled the newest image version?"
    sleep infinity
fi

if [[ "${installed_version}" != "0.0.0.0" ]] && vergt "${image_major}" "${max_upgrade}"; then
    echo "Can't start Nextcloud because the version of the data (${installed_version}) is more than one major version behind the docker image version (${image_version}) and upgrading more than one major version is not supported. Please run an image tagged for the major version ${max_upgrade} first."
    sleep infinity
fi

if [[ "${installed_version}" = "0.0.0.0" ]] || [[ ! -f /app/www/public/version.php ]] || [[ -z "$(ls -A /config/www/nextcloud/apps 2>/dev/null)" ]]; then
    touch /tmp/needs_install
fi

if [[ "${installed_version}" != "0.0.0.0" ]] && vergt "${image_version}" "${installed_version}"; then
    touch /tmp/needs_upgrade
fi

# initialize nextcloud
if [[ -f /config/www/nextcloud/config/needs_migration ]] || [[ -f /tmp/needs_install ]] || [[ -f /tmp/needs_upgrade ]]; then
    echo "Initializing nextcloud ${image_version} (this can take a while) ..."
    if [[ -f /config/www/nextcloud/config/needs_migration ]] || [[ -f /tmp/needs_upgrade ]]; then
        echo "Upgrading nextcloud from ${installed_version} ..."
        shippedApps=$(jq -r .shippedApps[] /app/www/src/core/shipped.json)
        for app in ${shippedApps}; do
            rm -rf "/config/www/nextcloud/apps/${app}"
        done
    fi

    rsync -rlD --exclude-from=/app/upgrade.exclude /app/www/src/ /app/www/public/
    for dir in apps config themes; do
        if [[ -f /config/www/nextcloud/config/needs_migration ]] || [[ -f /tmp/needs_upgrade ]] || [[ -z "$(ls -A /app/www/public/${dir} 2>/dev/null)" ]]; then
            rsync -rlD --chown=abc:abc --include "/${dir}" --exclude '/*' /app/www/src/ /config/www/nextcloud/
        fi
    done
    if [[ -z "$(ls -A /data/ 2>/dev/null)" ]]; then
        rsync -rlD --chown=abc:abc --include "/data" --exclude '/*' /app/www/src/ /
    fi

    echo "Setting permissions"
    lsiown abc:abc /data
    lsiown -R abc:abc \
        /app/www/public \
        /config/www/nextcloud

    if [[ -f /config/www/nextcloud/config/needs_migration ]] || [[ -f /tmp/needs_upgrade ]]; then
        # Upgrade
        occ upgrade
    else
        if [[ "${installed_version}" = "0.0.0.0" ]]; then
            # Install
            echo "New nextcloud instance"
            echo "Please run the web-based installer on first connect!"
        fi
    fi

    echo "Initializing finished"
fi

rm -f \
    /config/www/nextcloud/config/needs_migration \
    /tmp/needs_install \
    /tmp/needs_upgrade

# permissions
lsiown abc:abc \
    /app/www/public \
    /config/www/nextcloud

# setup config
if occ config:system:get installed >/dev/null 2>&1; then
    if ! occ config:system:get memcache.local >/dev/null 2>&1; then
        occ config:system:set memcache.local --value='\\OC\\Memcache\\APCu'
    fi
    if ! occ config:system:get filelocking.enabled >/dev/null 2>&1; then
        occ config:system:set filelocking.enabled --value=true --type=boolean
    fi
    if ! occ config:system:get memcache.locking >/dev/null 2>&1; then
        occ config:system:set memcache.locking --value='\\OC\\Memcache\\APCu'
    fi
    if ! occ config:system:get datadirectory >/dev/null 2>&1; then
        occ config:system:set datadirectory --value='/data'
    fi
    if ! occ config:system:get upgrade.disable-web >/dev/null 2>&1; then
        occ config:system:set upgrade.disable-web --value=true --type=boolean
    fi
else
    echo "After completing the web-based installer, restart the Nextcloud container to apply default memory caching and transactional file locking configurations."
    echo "Alternatively, you can apply your own configurations by editing /config/www/nextcloud/config/config.php following the documentation:"
    echo "https://docs.nextcloud.com/server/latest/admin_manual/configuration_server/caching_configuration.html"
    echo "https://docs.nextcloud.com/server/latest/admin_manual/configuration_files/files_locking_transactional.html"
fi

# remove problematic apps
for APP in richdocumentscode; do
    if (occ app:list | grep -q " - ${APP}:") 2>/dev/null; then
        echo "Removing ${APP}"
    fi
    APP_PATH=$(occ app:getpath "${APP}" 2>/dev/null)
    if [[ -z "${APP_PATH}" ]] || [[ ! -d "${APP_PATH}" ]]; then
        APP_PATH="/app/www/public/apps/${APP}"
    fi
    if [[ -d "${APP_PATH}" ]]; then
        occ app:disable "${APP}" >/dev/null 2>&1
    fi
    APP_STATUS="$(occ config:app:get "${APP}" enabled 2>/dev/null)"
    if [[ "${APP_STATUS}" != "no" ]] && [[ -n "${APP_STATUS}" ]]; then
        occ config:app:set "${APP}" enabled --value="no" >/dev/null 2>&1
    fi
    occ app:remove "${APP}" >/dev/null 2>&1
    rm -rf "${APP_PATH}"
done

# set data directory
if [[ ! -s /config/www/nextcloud/config/config.php ]]; then
    echo -e "<?php\n\$CONFIG = array (\n    'datadirectory' => '/data',\n);" >/config/www/nextcloud/config/config.php
elif [[ -f /config/www/nextcloud/config/config.php ]]; then
    sed -i "s|/app/www/public/data|/data|g" /config/www/nextcloud/config/config.php
fi

#modify javascript mime type and add .mjs support
if [[ -s /etc/nginx/mime.types ]]; then
    sed -i 's|\bjs;|js mjs;|g' /etc/nginx/mime.types
    sed -i 's|\bapplication/javascript|text/javascript|g' /etc/nginx/mime.types
fi