sudo apt-get install luakit
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following extra packages will be installed:
  liblua5.1-0 lua-filesystem
The following NEW packages will be installed:
  liblua5.1-0 lua-filesystem luakit
0 upgraded, 3 newly installed, 0 to remove and 2 not upgraded.
Need to get 285 kB of archives.
After this operation, 938 kB of additional disk space will be used.
Do you want to continue? [Y/n] y
Get:1 http://mirrordirector.raspbian.org/raspbian/ jessie/main liblua5.1-0 armhf 5.1.5-7.1 [83.7 kB]
Get:2 http://mirrordirector.raspbian.org/raspbian/ jessie/main lua-filesystem armhf 1.6.2-3 [9,666 B]
Get:3 http://mirrordirector.raspbian.org/raspbian/ jessie/main luakit armhf 2012.09.13-r1-3 [191 kB]
Fetched 285 kB in 1s (212 kB/s)
Could not exec dpkg!
E: Sub-process /usr/bin/dpkg returned an error code (100)
E: Problem executing scripts DPkg::Post-Invoke '/usr/bin/test -e /usr/share/dbus-1/system-services/org.freedesktop.PackageKit.service && /usr/bin/test -S /var/run/dbus/system_bus_socket && /usr/bin/gdbus call --system --dest org.freedesktop.PackageKit --object-path /org/freedesktop/PackageKit --timeout 4 --method org.freedesktop.PackageKit.StateHasChanged cache-update > /dev/null; /bin/echo > /dev/null'