Fixed "Single instance" locking issue on Linux with AppImage,

where the PrusaSlicer binary is mounted at a different mount point
at each AppImage execution.
Fixes Lock files in the local configuration directory are not deleted (#5733)
This commit is contained in:
Vojtech Bubnik 2021-01-11 11:14:51 +01:00
parent b7bfaea1ba
commit 7780221683

View file

@ -252,14 +252,20 @@ namespace instance_check_internal
bool instance_check(int argc, char** argv, bool app_config_single_instance)
{
#ifndef _WIN32
boost::system::error_code ec;
#endif
std::size_t hashed_path =
std::size_t hashed_path;
#ifdef _WIN32
std::hash<std::string>{}(boost::filesystem::system_complete(argv[0]).string());
hashed_path = std::hash<std::string>{}(boost::filesystem::system_complete(argv[0]).string());
#else
std::hash<std::string>{}(boost::filesystem::canonical(boost::filesystem::system_complete(argv[0]), ec).string());
boost::system::error_code ec;
#ifdef __linux
// If executed by an AppImage, start the AppImage, not the main process.
// see https://docs.appimage.org/packaging-guide/environment-variables.html#id2
const char *appimage_binary = std::getenv("APPIMAGE");
if (appimage_binary)
hashed_path = std::hash<std::string>{}(boost::filesystem::canonical(boost::filesystem::system_complete(appimage_binary, ec).string());
if (ec.value() > 0)
#endif // __linux
hashed_path = std::hash<std::string>{}(boost::filesystem::canonical(boost::filesystem::system_complete(argv[0]), ec).string());
if (ec.value() > 0) { // canonical was not able to find the executable (can happen with appimage on some systems. Does it fail on Fuse file systems?)
ec.clear();
// Compose path with boost canonical of folder and filename
@ -269,7 +275,7 @@ bool instance_check(int argc, char** argv, bool app_config_single_instance)
hashed_path = std::hash<std::string>{}(boost::filesystem::system_complete(argv[0]).string());
}
}
#endif // win32
#endif // _WIN32
std::string lock_name = std::to_string(hashed_path);
GUI::wxGetApp().set_instance_hash(hashed_path);