1 | @echo off
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2 | rem $Id: retry.cmd 96407 2022-08-22 17:43:14Z vboxsync $
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3 | rem rem @file
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4 | rem Windows NT batch script that retries a command 5 times.
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5 | rem
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6 |
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7 | rem
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8 | rem Copyright (C) 2009-2022 Oracle and/or its affiliates.
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9 | rem
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10 | rem This file is part of VirtualBox base platform packages, as
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11 | rem available from https://www.virtualbox.org.
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12 | rem
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13 | rem This program is free software; you can redistribute it and/or
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14 | rem modify it under the terms of the GNU General Public License
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15 | rem as published by the Free Software Foundation, in version 3 of the
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16 | rem License.
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17 | rem
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18 | rem This program is distributed in the hope that it will be useful, but
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19 | rem WITHOUT ANY WARRANTY; without even the implied warranty of
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20 | rem MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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21 | rem General Public License for more details.
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22 | rem
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23 | rem You should have received a copy of the GNU General Public License
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24 | rem along with this program; if not, see <https://www.gnu.org/licenses>.
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25 | rem
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26 | rem SPDX-License-Identifier: GPL-3.0-only
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27 | rem
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28 |
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29 | rem
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30 | rem Note! We're using %ERRORLEVEL% here instead of the classic
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31 | rem IF ERRORLEVEL 0 GOTO blah because the latter cannot handle
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32 | rem the complete range or status codes while the former can.
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33 | rem
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34 | rem Note! SET changes ERRORLEVEL on XP+, so we have to ECHO
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35 | rem before incrementing the counter.
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36 | rem
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37 | set /a retry_count = 1
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38 | :retry
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39 | %*
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40 | if %ERRORLEVEL% == 0 goto success
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41 | if %retry_count% GEQ 5 goto give_up
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42 | echo retry.cmd: Attempt %retry_count% FAILED(%ERRORLEVEL%), retrying: %*
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43 | set /a retry_count += 1
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44 | goto retry
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45 |
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46 | :give_up
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47 | echo retry.cmd: Attempt %retry_count% FAILED(%ERRORLEVEL%), giving up: %*
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48 | set retry_count=
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49 | exit /b 1
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50 |
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51 | :success
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52 | if %retry_count% NEQ 1 echo retry.cmd: Success after %retry_count% tries: %*!
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53 | set retry_count=
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54 | exit /b 0
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55 |
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