/usr/share/app-install/desktop/murmur:murmur.desktop is in app-install-data 0.12.04.4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 | [Desktop Entry]
X-AppInstall-Package=murmur
X-AppInstall-Popcon=15
X-AppInstall-Section=universe
Name=Murmur
Exec=murmur
Icon=murmur
Type=Application
Terminal=false
Comment=Python/GTK2 Museek client
Categories=GTK;Network;
X-Ubuntu-Gettext-Domain=app-install-data
|