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When some files are re-generated, the old copy is now kept as -old.

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Ylian Saint-Hilaire 2022-08-26 14:19:28 -07:00
parent b0733a85de
commit 15ee1feca5
3 changed files with 21 additions and 0 deletions
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12
common.js
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@ -358,3 +358,15 @@ module.exports.parseVersion = function (verstr) {
}
return r;
}
// Move old files. If we are about to overwrite a file, we can move if first just in case the change needs to be reverted
module.exports.moveOldFiles = function (filelist) {
// Fine an old extension that works for all files in the file list
var oldFileExt, oldFileExtCount = 0, extOk;
do {
extOk = true;
if (++oldFileExtCount == 1) { oldFileExt = '-old'; } else { oldFileExt = '-old' + oldFileExtCount; }
for (var i in filelist) { if (fs.existsSync(filelist[i] + oldFileExt) == true) { extOk = false; } }
} while (extOk == false);
for (var i in filelist) { try { fs.renameSync(filelist[i], filelist[i] + oldFileExt); } catch (ex) { } }
}