--- ImageLounge/xgd-data/CMakeLists.txt.orig	2020-07-17 10:05:29.000000000 +0300
+++ ImageLounge/xgd-data/CMakeLists.txt	2020-07-23 14:53:16.095891902 +0300
@@ -3,11 +3,12 @@
 	org.nomacs.ImageLounge.appdata.xml)
 
 install(FILES ${CMAKE_CURRENT_BINARY_DIR}/org.nomacs.ImageLounge.appdata.xml
-	DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/metainfo)
+	DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/metainfo
+	RENAME nomacs.appdata.xml)
 
 install(FILES org.nomacs.ImageLounge.desktop
-	DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/applications)
+	DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/applications
+	RENAME nomacs.desktop)
 
 install(FILES ../nomacs.svg
-	DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/icons/hicolor/scalable/apps
-	RENAME org.nomacs.ImageLounge.svg)
\ В конце файла нет новой строки
+	DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/icons/hicolor/scalable/apps)
--- ImageLounge/xgd-data/org.nomacs.ImageLounge.desktop.orig	2020-07-17 10:05:29.000000000 +0300
+++ ImageLounge/xgd-data/org.nomacs.ImageLounge.desktop	2020-07-23 14:53:16.096891913 +0300
@@ -4,7 +4,7 @@
 Comment=nomacs is a free, open source image viewer.
 Exec=nomacs %F
 Terminal=false
-Icon=org.nomacs.ImageLounge
+Icon=nomacs
 Type=Application
 Categories=Graphics;RasterGraphics;Viewer;2DGraphics;
 MimeType=image/gif;image/jpeg;image/png;image/bmp;image/tiff;image/x-eps;image/x-ico;image/x-portable-bitmap;image/x-portable-graymap;image/x-portable-pixmap;image/x-xbitmap;image/x-xpixmap;