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Remove the WSL warning

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This warning is annoying and there is no way to disable it.

Ping #5661. Ping #5298. Closes #6038
This commit is contained in:
ridiculousfish 2019-08-16 18:48:30 -07:00
parent f137f24d75
commit 5101bdeb9f
1 changed files with 3 additions and 26 deletions
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29
src/common.cpp
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@ -16,6 +16,7 @@
#include <stdlib.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/utsname.h>
#include <termios.h>
#include <unistd.h>
#include <wctype.h>
@ -31,11 +32,6 @@
#include <sys/ioctl.h>
#endif
#ifdef __linux__
// Includes for WSL detection
#include <sys/utsname.h>
#endif
#ifdef __FreeBSD__
#include <sys/sysctl.h>
#elif __APPLE__
@ -157,29 +153,10 @@ bool is_windows_subsystem_for_linux() {
#elif not defined(__linux__)
return false;
#else
// We are purposely not using std::call_once as it may invoke locking, which is an unnecessary
// overhead since there's no actual race condition here - even if multiple threads call this
// routine simultaneously the first time around, we just end up needlessly querying uname(2) one
// more time.
static bool wsl_state = []() {
utsname info;
utsname info{};
uname(&info);
// Sample utsname.release under WSL: 4.4.0-17763-Microsoft
if (std::strstr(info.release, "Microsoft") != nullptr) {
const char *dash = std::strchr(info.release, '-');
if (dash == nullptr || strtod(dash + 1, nullptr) < 17763) {
debug(1,
"This version of WSL is not supported and fish will probably not work "
"correctly!\n"
"Please upgrade to Windows 10 1809 (17763) or higher to use fish!");
}
return true;
} else {
return false;
}
return std::strstr(info.release, "Microsoft") != nullptr;
}();
// Subsequent calls to this function may take place after fork() and before exec() in