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#!/bin/bash
set -e
# version_greater A B returns whether A > B
function version_greater() {
[[ "$(printf '%s\n' "$@" | sort -V | head -n 1)" != "$1" ]];
}
# return true if specified directory is empty
function directory_empty() {
[ -n "$(find "$1"/ -prune -empty)" ]
}
function run_as() {
if [[ $EUID -eq 0 ]]; then
su - www-data -s /bin/bash -c "$1"
else
bash -c "$1"
fi
}
installed_version="0.0.0~unknown"
if [ -f /var/www/html/version.php ]; then
installed_version=$(php -r 'require "/var/www/html/version.php"; echo "$OC_VersionString";')
fi
image_version=$(php -r 'require "/usr/src/nextcloud/version.php"; echo "$OC_VersionString";')
if version_greater "$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 ($image_version) and downgrading is not supported. Are you sure you have pulled the newest image version?"
exit 1
fi
if version_greater "$image_version" "$installed_version"; then
if [ "$installed_version" != "0.0.0~unknown" ]; then
run_as 'php /var/www/html/occ app:list' > /tmp/list_before
fi
if [[ $EUID -eq 0 ]]; then
rsync_options="-rlDog --chown www-data:root"
else
rsync_options="-rlD"
fi
rsync $rsync_options --delete --exclude /config/ --exclude /data/ --exclude /custom_apps/ --exclude /themes/ /usr/src/nextcloud/ /var/www/html/
for dir in config data custom_apps themes; do
if [ ! -d /var/www/html/"$dir" ] || directory_empty /var/www/html/"$dir"; then
rsync $rsync_options --include /"$dir"/ --exclude '/*' /usr/src/nextcloud/ /var/www/html/
fi
done
if [ "$installed_version" != "0.0.0~unknown" ]; then
run_as 'php /var/www/html/occ upgrade --no-app-disable'
run_as 'php /var/www/html/occ app:list' > /tmp/list_after
echo "The following apps have beed disabled:"
diff <(sed -n "/Enabled:/,/Disabled:/p" /tmp/list_before) <(sed -n "/Enabled:/,/Disabled:/p" /tmp/list_after) | grep '<' | cut -d- -f2 | cut -d: -f1
rm -f /tmp/list_before /tmp/list_after
fi
fi
exec "$@"
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