Rename telegramdesktop.appdata.xml -> telegramdesktop.metainfo.xml

.appinfo.xml is legacy according to https://freedesktop.org/software/appstream/docs/chap-Metadata.html#spec-component-location

Telegram/CMakeLists.txt

@@ -1526,8 +1526,8 @@ endif()
 
 if (LINUX AND DESKTOP_APP_USE_PACKAGED)
     include(GNUInstallDirs)
-    configure_file("../lib/xdg/telegramdesktop.appdata.xml.in" "${CMAKE_CURRENT_BINARY_DIR}/telegramdesktop.appdata.xml" @ONLY)
-    generate_appdata_changelog(Telegram "${CMAKE_SOURCE_DIR}/changelog.txt" "${CMAKE_CURRENT_BINARY_DIR}/telegramdesktop.appdata.xml")
+    configure_file("../lib/xdg/telegramdesktop.metainfo.xml.in" "${CMAKE_CURRENT_BINARY_DIR}/telegramdesktop.metainfo.xml" @ONLY)
+    generate_appdata_changelog(Telegram "${CMAKE_SOURCE_DIR}/changelog.txt" "${CMAKE_CURRENT_BINARY_DIR}/telegramdesktop.metainfo.xml")
     install(TARGETS Telegram RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}" BUNDLE DESTINATION "${CMAKE_INSTALL_BINDIR}")
     install(FILES "Resources/art/icon16.png" DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/icons/hicolor/16x16/apps" RENAME "telegram.png")
     install(FILES "Resources/art/icon32.png" DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/icons/hicolor/32x32/apps" RENAME "telegram.png")
@@ -1537,5 +1537,5 @@ if (LINUX AND DESKTOP_APP_USE_PACKAGED)
     install(FILES "Resources/art/icon256.png" DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/icons/hicolor/256x256/apps" RENAME "telegram.png")
     install(FILES "Resources/art/icon512.png" DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/icons/hicolor/512x512/apps" RENAME "telegram.png")
     install(FILES "../lib/xdg/telegramdesktop.desktop" DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/applications" RENAME "${TDESKTOP_LAUNCHER_BASENAME}.desktop")
-    install(FILES "${CMAKE_CURRENT_BINARY_DIR}/telegramdesktop.appdata.xml" DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/metainfo" RENAME "${TDESKTOP_LAUNCHER_BASENAME}.appdata.xml")
+    install(FILES "${CMAKE_CURRENT_BINARY_DIR}/telegramdesktop.metainfo.xml" DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/metainfo" RENAME "${TDESKTOP_LAUNCHER_BASENAME}.metainfo.xml")
 endif()

Telegram/build/changelog2appdata.py

@@ -62,7 +62,7 @@ def update_appdata(appdata_path, changelog, max_items=None):
 def main():
     ap = argparse.ArgumentParser("Parse Telegram changelog")
     ap.add_argument("-c", "--changelog-path", default="changelog.txt")
-    ap.add_argument("-a", "--appdata-path", default="lib/xdg/telegramdesktop.appdata.xml")
+    ap.add_argument("-a", "--appdata-path", default="lib/xdg/telegramdesktop.metainfo.xml")
     ap.add_argument("-n", "--num-releases", type=int, default=None)
     args = ap.parse_args()
     update_appdata(args.appdata_path,

snap/snapcraft.yaml

@@ -85,7 +85,7 @@ parts:
     plugin: cmake
     source: .
     source-type: git
-    parse-info: [usr/share/metainfo/telegram-desktop_telegram-desktop.appdata.xml]
+    parse-info: [usr/share/metainfo/telegram-desktop_telegram-desktop.metainfo.xml]
     build-environment:
       - CC: gcc-10
       - CXX: g++-10