init

mc_test/node_modules/app-builder-lib/templates/nsis/include/allowOnlyOneInstallerInstance.nsh

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+!ifndef nsProcess::FindProcess
+    !include "nsProcess.nsh"
+!endif
+
+!ifmacrondef customCheckAppRunning
+  !include "getProcessInfo.nsh"
+  Var pid
+!endif
+
+# http://nsis.sourceforge.net/Allow_only_one_installer_instance
+!macro ALLOW_ONLY_ONE_INSTALLER_INSTANCE
+  BringToFront
+  !define /ifndef SYSTYPE_PTR p ; NSIS v3.0+
+  System::Call 'kernel32::CreateMutex(${SYSTYPE_PTR}0, i1, t"${APP_GUID}")?e'
+  Pop $0
+  IntCmpU $0 183 0 launch launch ; ERROR_ALREADY_EXISTS
+    StrLen $0 "$(^SetupCaption)"
+    IntOp $0 $0 + 1 ; GetWindowText count includes \0
+    StrCpy $1 "" ; Start FindWindow with NULL
+    loop:
+      FindWindow $1 "#32770" "" "" $1
+      StrCmp 0 $1 notfound
+      System::Call 'user32::GetWindowText(${SYSTYPE_PTR}r1, t.r2, ir0)'
+      StrCmp $2 "$(^SetupCaption)" 0 loop
+      SendMessage $1 0x112 0xF120 0 /TIMEOUT=2000 ; WM_SYSCOMMAND:SC_RESTORE to restore the window if it is minimized
+      System::Call "user32::SetForegroundWindow(${SYSTYPE_PTR}r1)"
+    notfound:
+      Abort
+  launch:
+!macroend
+
+!macro CHECK_APP_RUNNING
+    !ifmacrodef customCheckAppRunning
+      !insertmacro customCheckAppRunning
+    !else
+      !insertmacro _CHECK_APP_RUNNING
+    !endif
+!macroend
+
+!macro FIND_PROCESS _FILE _ERR
+  !ifdef INSTALL_MODE_PER_ALL_USERS
+    ${nsProcess::FindProcess} "${_FILE}" ${_ERR}
+  !else
+    # find process owned by current user
+    nsExec::Exec `%SYSTEMROOT%\System32\cmd.exe /c tasklist /FI "USERNAME eq %USERNAME%" /FI "IMAGENAME eq ${_FILE}" /FO csv | %SYSTEMROOT%\System32\find.exe "${_FILE}"`
+    Pop ${_ERR}
+  !endif
+!macroend
+
+!macro _CHECK_APP_RUNNING
+  ${GetProcessInfo} 0 $pid $1 $2 $3 $4
+  ${if} $3 != "${APP_EXECUTABLE_FILENAME}"
+    ${if} ${isUpdated}
+      # allow app to exit without explicit kill
+      Sleep 300
+    ${endIf}
+
+    !insertmacro FIND_PROCESS "${APP_EXECUTABLE_FILENAME}" $R0
+    ${if} $R0 == 0
+      ${if} ${isUpdated}
+        # allow app to exit without explicit kill
+        Sleep 1000
+        Goto doStopProcess
+      ${endIf}
+      MessageBox MB_OKCANCEL|MB_ICONEXCLAMATION "$(appRunning)" /SD IDOK IDOK doStopProcess
+      Quit
+
+      doStopProcess:
+
+      DetailPrint `Closing running "${PRODUCT_NAME}"...`
+
+      # https://github.com/electron-userland/electron-builder/issues/2516#issuecomment-372009092
+      !ifdef INSTALL_MODE_PER_ALL_USERS
+        nsExec::Exec `taskkill /im "${APP_EXECUTABLE_FILENAME}" /fi "PID ne $pid"`
+      !else
+        nsExec::Exec `%SYSTEMROOT%\System32\cmd.exe /c taskkill /im "${APP_EXECUTABLE_FILENAME}" /fi "PID ne $pid" /fi "USERNAME eq %USERNAME%"`
+      !endif
+      # to ensure that files are not "in-use"
+      Sleep 300
+
+      # Retry counter
+      StrCpy $R1 0
+
+      loop:
+        IntOp $R1 $R1 + 1
+
+        !insertmacro FIND_PROCESS "${APP_EXECUTABLE_FILENAME}" $R0
+        ${if} $R0 == 0
+          # wait to give a chance to exit gracefully
+          Sleep 1000
+          !ifdef INSTALL_MODE_PER_ALL_USERS
+            nsExec::Exec `taskkill /f /im "${APP_EXECUTABLE_FILENAME}" /fi "PID ne $pid"`
+          !else
+            nsExec::Exec `%SYSTEMROOT%\System32\cmd.exe /c taskkill /f /im "${APP_EXECUTABLE_FILENAME}" /fi "PID ne $pid" /fi "USERNAME eq %USERNAME%"`
+          !endif
+          !insertmacro FIND_PROCESS "${APP_EXECUTABLE_FILENAME}" $R0
+          ${If} $R0 == 0
+            DetailPrint `Waiting for "${PRODUCT_NAME}" to close.`
+            Sleep 2000
+          ${else}
+            Goto not_running
+          ${endIf}
+        ${else}
+          Goto not_running
+        ${endIf}
+
+        # App likely running with elevated permissions.
+        # Ask user to close it manually
+        ${if} $R1 > 1
+          MessageBox MB_RETRYCANCEL|MB_ICONEXCLAMATION "$(appCannotBeClosed)" /SD IDCANCEL IDRETRY loop
+          Quit
+        ${else}
+          Goto loop
+        ${endIf}
+      not_running:
+    ${endIf}
+  ${endIf}
+!macroend