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Added support for environment variable SQUIRREL_TEMP to Setup.exe

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Allows to control where Setup.exe will extract and execute the package
This commit is contained in:
Lennart Jansson
2016-10-05 12:57:03 +02:00
parent 6722c66f77
commit c3def2a7c3
1 changed files with 28 additions and 22 deletions
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50
src/Setup/UpdateRunner.cpp
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@@ -137,31 +137,37 @@ int CUpdateRunner::ExtractUpdaterAndRun(wchar_t* lpCommandLine, bool useFallback
wchar_t logFile[MAX_PATH];
std::vector<CString> to_delete;
if (!useFallbackDir) {
SHGetFolderPath(NULL, CSIDL_LOCAL_APPDATA, NULL, SHGFP_TYPE_CURRENT, targetDir);
} else {
wchar_t username[512];
wchar_t uid[128];
wchar_t appDataDir[MAX_PATH];
ULONG unameSize = _countof(username);
SHGetFolderPath(NULL, CSIDL_COMMON_APPDATA, NULL, SHGFP_TYPE_CURRENT, appDataDir);
GetUserName(username, &unameSize);
DWORD lastError = GetLastError();
_swprintf_c(targetDir, _countof(targetDir), L"%s\\%s", appDataDir, username);
if (!CreateDirectory(targetDir, NULL) && GetLastError() != ERROR_ALREADY_EXISTS) {
wchar_t err[4096];
_swprintf_c(err, _countof(err), L"Unable to write to %s - IT policies may be restricting access to this folder", targetDir);
DisplayErrorMessage(CString(err), NULL);
return -1;
}
wchar_t *envSquirrelTemp = _wgetenv(L"SQUIRREL_TEMP");
if (envSquirrelTemp) {
_swprintf_c(targetDir, _countof(targetDir), L"%s", envSquirrelTemp);
}
else {
if (!useFallbackDir) {
SHGetFolderPath(NULL, CSIDL_LOCAL_APPDATA, NULL, SHGFP_TYPE_CURRENT, targetDir);
} else {
wchar_t username[512];
wchar_t uid[128];
wchar_t appDataDir[MAX_PATH];
ULONG unameSize = _countof(username);
wcscat_s(targetDir, _countof(targetDir), L"\\SquirrelTemp");
SHGetFolderPath(NULL, CSIDL_COMMON_APPDATA, NULL, SHGFP_TYPE_CURRENT, appDataDir);
GetUserName(username, &unameSize);
DWORD lastError = GetLastError();
_swprintf_c(targetDir, _countof(targetDir), L"%s\\%s", appDataDir, username);
if (!CreateDirectory(targetDir, NULL) && GetLastError() != ERROR_ALREADY_EXISTS) {
wchar_t err[4096];
_swprintf_c(err, _countof(err), L"Unable to write to %s - IT policies may be restricting access to this folder", targetDir);
DisplayErrorMessage(CString(err), NULL);
return -1;
}
}
wcscat_s(targetDir, _countof(targetDir), L"\\SquirrelTemp");
}
if (!CreateDirectory(targetDir, NULL) && GetLastError() != ERROR_ALREADY_EXISTS) {
wchar_t err[4096];
_swprintf_c(err, _countof(err), L"Unable to write to %s - IT policies may be restricting access to this folder", targetDir);