runner: initial automatic update (#2141)

src/runner/update_utils.cpp

@@ -0,0 +1,90 @@
+#include "pch.h"
+
+#include "action_runner_utils.h"
+#include "update_state.h"
+#include "update_utils.h"
+
+#include <common/timeutil.h>
+#include <common/updating/updating.h>
+#include <runner/general_settings.h>
+
+#include <winrt/Windows.Web.Http.h>
+#include <winrt/Windows.Web.Http.Headers.h>
+
+bool start_msi_uninstallation_sequence()
+{
+    const auto package_path = updating::get_msi_package_path();
+
+    if (package_path.empty())
+    {
+        // No MSI version detected
+        return true;
+    }
+
+    if (!updating::offer_msi_uninstallation())
+    {
+        // User declined to uninstall or opted for "Don't show again"
+        return false;
+    }
+    auto sei = launch_action_runner(L"-uninstall_msi");
+
+    WaitForSingleObject(sei.hProcess, INFINITE);
+    DWORD exit_code = 0;
+    GetExitCodeProcess(sei.hProcess, &exit_code);
+    CloseHandle(sei.hProcess);
+    return exit_code == 0;
+}
+
+void github_update_worker()
+{
+    const int64_t update_check_period_minutes = 60 * 24;
+
+    for (;;)
+    {
+        auto state = UpdateState::read();
+        int64_t sleep_minutes_till_next_update = 0;
+        if (state.github_update_last_checked_date.has_value())
+        {
+            int64_t last_checked_minutes_ago = timeutil::diff::in_minutes(timeutil::now(), *state.github_update_last_checked_date);
+            if (last_checked_minutes_ago < 0)
+            {
+                last_checked_minutes_ago = update_check_period_minutes;
+            }
+            sleep_minutes_till_next_update = max(0, update_check_period_minutes - last_checked_minutes_ago);
+        }
+
+        std::this_thread::sleep_for(std::chrono::minutes(sleep_minutes_till_next_update));
+        const bool download_updates_automatically = get_general_settings().downloadUpdatesAutomatically;
+        try
+        {
+            updating::try_autoupdate(download_updates_automatically).get();
+        }
+        catch (...)
+        {
+            // Couldn't autoupdate
+        }
+        UpdateState::store([](UpdateState& state) {
+            state.github_update_last_checked_date.emplace(timeutil::now());
+        });
+    }
+}
+
+bool launch_pending_update()
+{
+    try
+    {
+        auto update_state = UpdateState::read();
+        if (update_state.pending_update)
+        {
+            UpdateState::store([](UpdateState& state) {
+                state.pending_update = false;
+            });
+            launch_action_runner(UPDATE_NOW_LAUNCH_STAGE1_START_PT_CMDARG);
+            return true;
+        }
+    }
+    catch (...)
+    {
+    }
+    return false;
+}