39 lines
1018 B
JavaScript
39 lines
1018 B
JavaScript
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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/* globals echo:false */
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'use strict';
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/**
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* Try executing a function n times recursively.
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* Return 0 the first time it succeeds
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* Return code of the last failed commands if not more retries left
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* @funcToRetry - function that gets retried
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* @retriesLeft - number of retries to execute funcToRetry
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* @onEveryError - func to execute if funcToRetry returns non 0
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*/
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function tryExecNTimes(funcToRetry, retriesLeft, onEveryError) {
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const exitCode = funcToRetry();
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if (exitCode === 0) {
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return exitCode;
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} else {
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if (onEveryError) {
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onEveryError();
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}
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retriesLeft--;
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echo(`Command failed, ${retriesLeft} retries left`);
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if (retriesLeft === 0) {
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return exitCode;
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} else {
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return tryExecNTimes(funcToRetry, retriesLeft, onEveryError);
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}
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}
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}
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module.exports = tryExecNTimes;
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