/usr/share/app-install/desktop/gfsview:gfsview2D.desktop is in app-install-data 15.10.
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 15 16 17 | [Desktop Entry]
X-AppInstall-Package=gfsview
X-AppInstall-Popcon=0
X-AppInstall-Section=universe
Encoding=UTF-8
Name=GfsView 2D
Comment=View Gerris 2D simulations
Exec=gfsview2D -s %F
Terminal=false
Type=Application
Categories=Application;Education;Science;DataVisualization;
MimeType=application/gerris-2D;application/gfsview-2D;
StartupNotify=true
Icon=application-gerris
X-Ubuntu-Gettext-Domain=app-install-data
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