ram-akonadi.service

[Unit]
Description=Akonadi dir to ram
Before=akonadi.service

[Service]
Type=oneshot
RemainAfterExit=yes
Environment=HOME_AKONADI_DIR=%h/.local/share/akonadi
Environment=RAM_AKONADI_DIR=%t/akonadi

ExecStartPre=-/usr/bin/unlink ${HOME_AKONADI_DIR}
ExecStartPre=-/bin/mv ${HOME_AKONADI_DIR}.bak ${HOME_AKONADI_DIR}
ExecStart=/bin/cp -a ${HOME_AKONADI_DIR} ${RAM_AKONADI_DIR}
ExecStartPost=/bin/mv ${HOME_AKONADI_DIR} ${HOME_AKONADI_DIR}.bak
ExecStartPost=/bin/ln -s ${RAM_AKONADI_DIR} ${HOME_AKONADI_DIR}

ExecStop=/usr/bin/unlink ${HOME_AKONADI_DIR} ; /bin/mv ${RAM_AKONADI_DIR} ${HOME_AKONADI_DIR}
ExecStopPost=/bin/rm -fr ${HOME_AKONADI_DIR}.bak

[Install]
WantedBy=cache.target