Try to fix Snap WRITABLE_FILES.

Thanks to xet7 !

snap-src/bin/config

@@ -3,11 +3,11 @@
 # All supported keys are defined here together with descriptions and default values
 
 # list of supported keys
-keys="DEBUG WRITABLE_PATH MONGO_LOG_DESTINATION MONGO_URL MONGODB_BIND_UNIX_SOCKET MONGO_URL MONGODB_BIND_IP MONGODB_PORT MAIL_URL MAIL_FROM MAIL_SERVICE MAIL_SERVICE_USER MAIL_SERVICE_PASSWORD ROOT_URL PORT DISABLE_MONGODB CADDY_ENABLED CADDY_BIND_PORT WITH_API RICHER_CARD_COMMENT_EDITOR CARD_OPENED_WEBHOOK_ENABLED ACCOUNTS_LOCKOUT_KNOWN_USERS_FAILURES_BEFORE ACCOUNTS_LOCKOUT_KNOWN_USERS_PERIOD ACCOUNTS_LOCKOUT_KNOWN_USERS_FAILURE_WINDOW ACCOUNTS_LOCKOUT_UNKNOWN_USERS_FAILURES_BERORE ACCOUNTS_LOCKOUT_UNKNOWN_USERS_LOCKOUT_PERIOD ACCOUNTS_LOCKOUT_UNKNOWN_USERS_FAILURE_WINDOW ACCOUNTS_COMMON_LOGIN_EXPIRATION_IN_DAYS MAX_IMAGE_PIXEL IMAGE_COMPRESS_RATIO BIGEVENTS_PATTERN NOTIFICATION_TRAY_AFTER_READ_DAYS_BEFORE_REMOVE NOTIFY_DUE_DAYS_BEFORE_AND_AFTER NOTIFY_DUE_AT_HOUR_OF_DAY EMAIL_NOTIFICATION_TIMEOUT CORS CORS_ALLOW_HEADERS CORS_EXPOSE_HEADERS MATOMO_ADDRESS MATOMO_SITE_ID MATOMO_DO_NOT_TRACK MATOMO_WITH_USERNAME BROWSER_POLICY_ENABLED TRUSTED_URL WEBHOOKS_ATTRIBUTES OAUTH2_ENABLED OAUTH2_CA_CERT OAUTH2_LOGIN_STYLE OAUTH2_CLIENT_ID OAUTH2_SECRET OAUTH2_SERVER_URL OAUTH2_AUTH_ENDPOINT OAUTH2_USERINFO_ENDPOINT OAUTH2_TOKEN_ENDPOINT OAUTH2_ID_MAP OAUTH2_USERNAME_MAP OAUTH2_FULLNAME_MAP OAUTH2_ID_TOKEN_WHITELIST_FIELDS OAUTH2_EMAIL_MAP OAUTH2_REQUEST_PERMISSIONS OAUTH2_ADFS_ENABLED LDAP_ENABLE LDAP_PORT LDAP_HOST LDAP_AD_SIMPLE_AUTH LDAP_BASEDN LDAP_LOGIN_FALLBACK LDAP_RECONNECT LDAP_TIMEOUT LDAP_IDLE_TIMEOUT LDAP_CONNECT_TIMEOUT LDAP_AUTHENTIFICATION LDAP_AUTHENTIFICATION_USERDN LDAP_AUTHENTIFICATION_PASSWORD LDAP_LOG_ENABLED LDAP_BACKGROUND_SYNC LDAP_BACKGROUND_SYNC_INTERVAL LDAP_BACKGROUND_SYNC_KEEP_EXISTANT_USERS_UPDATED LDAP_BACKGROUND_SYNC_IMPORT_NEW_USERS LDAP_ENCRYPTION LDAP_CA_CERT LDAP_REJECT_UNAUTHORIZED LDAP_USER_AUTHENTICATION LDAP_USER_AUTHENTICATION_FIELD LDAP_USER_SEARCH_FILTER LDAP_USER_SEARCH_SCOPE LDAP_USER_SEARCH_FIELD LDAP_SEARCH_PAGE_SIZE LDAP_SEARCH_SIZE_LIMIT LDAP_GROUP_FILTER_ENABLE LDAP_GROUP_FILTER_OBJECTCLASS LDAP_GROUP_FILTER_GROUP_ID_ATTRIBUTE LDAP_GROUP_FILTER_GROUP_MEMBER_ATTRIBUTE LDAP_GROUP_FILTER_GROUP_MEMBER_FORMAT LDAP_GROUP_FILTER_GROUP_NAME LDAP_UNIQUE_IDENTIFIER_FIELD LDAP_UTF8_NAMES_SLUGIFY LDAP_USERNAME_FIELD LDAP_FULLNAME_FIELD LDAP_MERGE_EXISTING_USERS LDAP_SYNC_USER_DATA LDAP_SYNC_USER_DATA_FIELDMAP LDAP_SYNC_GROUP_ROLES LDAP_DEFAULT_DOMAIN LDAP_EMAIL_MATCH_ENABLE LDAP_EMAIL_MATCH_REQUIRE LDAP_EMAIL_MATCH_VERIFIED LDAP_EMAIL_FIELD LDAP_SYNC_ADMIN_STATUS LDAP_SYNC_ADMIN_GROUPS HEADER_LOGIN_ID HEADER_LOGIN_FIRSTNAME HEADER_LOGIN_LASTNAME HEADER_LOGIN_EMAIL LOGOUT_WITH_TIMER LOGOUT_IN LOGOUT_ON_HOURS LOGOUT_ON_MINUTES DEFAULT_AUTHENTICATION_METHOD PASSWORD_LOGIN_ENABLED CAS_ENABLED CAS_BASE_URL CAS_LOGIN_URL CAS_VALIDATE_URL SAML_ENABLED SAML_PROVIDER SAML_ENTRYPOINT SAML_ISSUER SAML_CERT SAML_IDPSLO_REDIRECTURL SAML_PRIVATE_KEYFILE SAML_PUBLIC_CERTFILE SAML_IDENTIFIER_FORMAT SAML_LOCAL_PROFILE_MATCH_ATTRIBUTE SAML_ATTRIBUTES ORACLE_OIM_ENABLED RESULTS_PER_PAGE WAIT_SPINNER NODE_OPTIONS"
+keys="DEBUG MONGO_LOG_DESTINATION MONGO_URL MONGODB_BIND_UNIX_SOCKET MONGO_URL MONGODB_BIND_IP MONGODB_PORT MAIL_URL MAIL_FROM MAIL_SERVICE MAIL_SERVICE_USER MAIL_SERVICE_PASSWORD ROOT_URL PORT DISABLE_MONGODB CADDY_ENABLED CADDY_BIND_PORT WITH_API RICHER_CARD_COMMENT_EDITOR CARD_OPENED_WEBHOOK_ENABLED ACCOUNTS_LOCKOUT_KNOWN_USERS_FAILURES_BEFORE ACCOUNTS_LOCKOUT_KNOWN_USERS_PERIOD ACCOUNTS_LOCKOUT_KNOWN_USERS_FAILURE_WINDOW ACCOUNTS_LOCKOUT_UNKNOWN_USERS_FAILURES_BERORE ACCOUNTS_LOCKOUT_UNKNOWN_USERS_LOCKOUT_PERIOD ACCOUNTS_LOCKOUT_UNKNOWN_USERS_FAILURE_WINDOW ACCOUNTS_COMMON_LOGIN_EXPIRATION_IN_DAYS MAX_IMAGE_PIXEL IMAGE_COMPRESS_RATIO BIGEVENTS_PATTERN NOTIFICATION_TRAY_AFTER_READ_DAYS_BEFORE_REMOVE NOTIFY_DUE_DAYS_BEFORE_AND_AFTER NOTIFY_DUE_AT_HOUR_OF_DAY EMAIL_NOTIFICATION_TIMEOUT CORS CORS_ALLOW_HEADERS CORS_EXPOSE_HEADERS MATOMO_ADDRESS MATOMO_SITE_ID MATOMO_DO_NOT_TRACK MATOMO_WITH_USERNAME BROWSER_POLICY_ENABLED TRUSTED_URL WEBHOOKS_ATTRIBUTES OAUTH2_ENABLED OAUTH2_CA_CERT OAUTH2_LOGIN_STYLE OAUTH2_CLIENT_ID OAUTH2_SECRET OAUTH2_SERVER_URL OAUTH2_AUTH_ENDPOINT OAUTH2_USERINFO_ENDPOINT OAUTH2_TOKEN_ENDPOINT OAUTH2_ID_MAP OAUTH2_USERNAME_MAP OAUTH2_FULLNAME_MAP OAUTH2_ID_TOKEN_WHITELIST_FIELDS OAUTH2_EMAIL_MAP OAUTH2_REQUEST_PERMISSIONS OAUTH2_ADFS_ENABLED LDAP_ENABLE LDAP_PORT LDAP_HOST LDAP_AD_SIMPLE_AUTH LDAP_BASEDN LDAP_LOGIN_FALLBACK LDAP_RECONNECT LDAP_TIMEOUT LDAP_IDLE_TIMEOUT LDAP_CONNECT_TIMEOUT LDAP_AUTHENTIFICATION LDAP_AUTHENTIFICATION_USERDN LDAP_AUTHENTIFICATION_PASSWORD LDAP_LOG_ENABLED LDAP_BACKGROUND_SYNC LDAP_BACKGROUND_SYNC_INTERVAL LDAP_BACKGROUND_SYNC_KEEP_EXISTANT_USERS_UPDATED LDAP_BACKGROUND_SYNC_IMPORT_NEW_USERS LDAP_ENCRYPTION LDAP_CA_CERT LDAP_REJECT_UNAUTHORIZED LDAP_USER_AUTHENTICATION LDAP_USER_AUTHENTICATION_FIELD LDAP_USER_SEARCH_FILTER LDAP_USER_SEARCH_SCOPE LDAP_USER_SEARCH_FIELD LDAP_SEARCH_PAGE_SIZE LDAP_SEARCH_SIZE_LIMIT LDAP_GROUP_FILTER_ENABLE LDAP_GROUP_FILTER_OBJECTCLASS LDAP_GROUP_FILTER_GROUP_ID_ATTRIBUTE LDAP_GROUP_FILTER_GROUP_MEMBER_ATTRIBUTE LDAP_GROUP_FILTER_GROUP_MEMBER_FORMAT LDAP_GROUP_FILTER_GROUP_NAME LDAP_UNIQUE_IDENTIFIER_FIELD LDAP_UTF8_NAMES_SLUGIFY LDAP_USERNAME_FIELD LDAP_FULLNAME_FIELD LDAP_MERGE_EXISTING_USERS LDAP_SYNC_USER_DATA LDAP_SYNC_USER_DATA_FIELDMAP LDAP_SYNC_GROUP_ROLES LDAP_DEFAULT_DOMAIN LDAP_EMAIL_MATCH_ENABLE LDAP_EMAIL_MATCH_REQUIRE LDAP_EMAIL_MATCH_VERIFIED LDAP_EMAIL_FIELD LDAP_SYNC_ADMIN_STATUS LDAP_SYNC_ADMIN_GROUPS HEADER_LOGIN_ID HEADER_LOGIN_FIRSTNAME HEADER_LOGIN_LASTNAME HEADER_LOGIN_EMAIL LOGOUT_WITH_TIMER LOGOUT_IN LOGOUT_ON_HOURS LOGOUT_ON_MINUTES DEFAULT_AUTHENTICATION_METHOD PASSWORD_LOGIN_ENABLED CAS_ENABLED CAS_BASE_URL CAS_LOGIN_URL CAS_VALIDATE_URL SAML_ENABLED SAML_PROVIDER SAML_ENTRYPOINT SAML_ISSUER SAML_CERT SAML_IDPSLO_REDIRECTURL SAML_PRIVATE_KEYFILE SAML_PUBLIC_CERTFILE SAML_IDENTIFIER_FORMAT SAML_LOCAL_PROFILE_MATCH_ATTRIBUTE SAML_ATTRIBUTES ORACLE_OIM_ENABLED RESULTS_PER_PAGE WAIT_SPINNER NODE_OPTIONS"
 
-DESCRIPTION_WRITABLE_PATH="Writable path. Default: $SNAP_COMMON/wekan-uploads"
-DEFAULT_WRITABLE_PATH="$SNAP_COMMON/wekan-uploads"
-KEY_WRITABLE_PATH="writable-path"
+#DESCRIPTION_WRITABLE_PATH="Writable path. Default: $SNAP_COMMON/files"
+#DEFAULT_WRITABLE_PATH="$SNAP_COMMON/files"
+#KEY_WRITABLE_PATH="writable-path"
 
 #---------------------------------------------------------------------
 # https://github.com/wekan/wekan/issues/3585#issuecomment-1021522132

snap-src/bin/mongodb-control

@@ -24,12 +24,6 @@ if test -f "$SNAP_COMMON/mongodb.log"; then
    rm -f "$SNAP_COMMON/mongodb.log"
 fi
 
-# If uploads directory does not exist, create it.
-# Wekan will store attachments there.
-if [ ! -d "${WRITABLE_PATH}" ]; then
-   mkdir "${WRITABLE_PATH}"
-fi
-
 # Alternative: When starting MongoDB, and using logfile, truncate log to last 1000 lines of text.
 # 1) If file exists:
 #if test -f "$SNAP_COMMON/mongodb.log"; then

snap-src/bin/wekan-control

@@ -16,6 +16,13 @@ else
     export MONGO_URL="mongodb://$MONGODB_BIND_IP:$MONGODB_PORT/wekan"
 fi
 
+# If uploads directory does not exist, create it.
+# Wekan will store attachments there.
+export WRITABLE_PATH=$SNAP_COMMON/files
+if [ ! -d $WRITABLE_PATH ]; then
+  mkdir $WRITABLE_PATH
+fi
+
 echo -e "MONGO_URL=$MONGO_URL"
 APPLICATION_DIRECTORY=$SNAP
 APPLICATION_START=main.js

snap-src/bin/wekan-help

@@ -15,12 +15,12 @@ echo -e "\t$ snap set $SNAP_NAME debug='true'"
 echo -e "\t-Disable the Debug of Wekan:"
 echo -e "\t$ snap unset $SNAP_NAME debug"
 echo -e "\n"
-echo -e "Writable path. Snap can not write outside of /var/snap/wekan/common sandbox directory."
-echo -e "Default:"
-echo -e "\t$ snap set $SNAP_NAME writable-path='\$SNAP_COMMON\uploads'"
-echo -e "\t-To set different path, usually not needed:"
-echo -e "\t$ snap set $SNAP_NAME writable-path='\$SNAP_COMMON\uploads2'"
-echo -e "\n"
+#echo -e "Writable path. Snap can not write outside of /var/snap/wekan/common sandbox directory."
+#echo -e "Default:"
+#echo -e "\t$ snap set $SNAP_NAME writable-path='\$SNAP_COMMON\files'"
+#echo -e "\t-To set different path, usually not needed:"
+#echo -e "\t$ snap set $SNAP_NAME writable-path='\$SNAP_COMMON\files2'"
+#echo -e "\n"
 echo -e "Mongo log destimation: devnull/snapcommon/syslog. Default: 'devnull'"
 echo -e "To set different mongo log destination of Wekan:"
 echo -e "\t$ snap set $SNAP_NAME mongo-log-destination='snapcommon'"