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/** | ||
* release-postinstall.js | ||
* | ||
* XXX: We want to keep this script installable at least with node 4.x. | ||
* | ||
* This script is bundled with the `npm` package and executed on release. | ||
* Since we have a 'fat' NPM package (with all platform binaries bundled), | ||
* this postinstall script extracts them and puts the current platform's | ||
* bits in the right place. | ||
*/ | ||
|
||
var path = require("path"); | ||
var cp = require("child_process"); | ||
var fs = require("fs"); | ||
var platform = process.platform; | ||
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var packageJson = require("./package.json"); | ||
var binariesToCopy = Object.keys(packageJson.bin) | ||
.map(function (name) { | ||
return packageJson.bin[name]; | ||
}) | ||
.concat(["esyInstallRelease.js"]); | ||
var foldersToCopy = ["bin", "_export"]; | ||
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function copyRecursive(srcDir, dstDir) { | ||
var results = []; | ||
var list = fs.readdirSync(srcDir); | ||
var src, dst; | ||
list.forEach(function (file) { | ||
src = path.join(srcDir, file); | ||
dst = path.join(dstDir, file); | ||
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var stat = fs.statSync(src); | ||
if (stat && stat.isDirectory()) { | ||
try { | ||
fs.mkdirSync(dst); | ||
} catch (e) { | ||
console.log("directory already exists: " + dst); | ||
console.error(e); | ||
} | ||
results = results.concat(copyRecursive(src, dst)); | ||
} else { | ||
try { | ||
fs.writeFileSync(dst, fs.readFileSync(src)); | ||
} catch (e) { | ||
console.log("could't copy file: " + dst); | ||
console.error(e); | ||
} | ||
results.push(src); | ||
} | ||
}); | ||
return results; | ||
} | ||
|
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/** | ||
* Since os.arch returns node binary's target arch, not | ||
* the system arch. | ||
* Credits: https://github.com/feross/arch/blob/af080ff61346315559451715c5393d8e86a6d33c/index.js#L10-L58 | ||
*/ | ||
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function arch() { | ||
/** | ||
* The running binary is 64-bit, so the OS is clearly 64-bit. | ||
*/ | ||
if (process.arch === "x64") { | ||
return "x64"; | ||
} | ||
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/** | ||
* All recent versions of Mac OS are 64-bit. | ||
*/ | ||
if (process.platform === "darwin") { | ||
return "x64"; | ||
} | ||
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/** | ||
* On Windows, the most reliable way to detect a 64-bit OS from within a 32-bit | ||
* app is based on the presence of a WOW64 file: %SystemRoot%\SysNative. | ||
* See: https://twitter.com/feross/status/776949077208510464 | ||
*/ | ||
if (process.platform === "win32") { | ||
var useEnv = false; | ||
try { | ||
useEnv = !!( | ||
process.env.SYSTEMROOT && fs.statSync(process.env.SYSTEMROOT) | ||
); | ||
} catch (err) {} | ||
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var sysRoot = useEnv ? process.env.SYSTEMROOT : "C:\\Windows"; | ||
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// If %SystemRoot%\SysNative exists, we are in a WOW64 FS Redirected application. | ||
var isWOW64 = false; | ||
try { | ||
isWOW64 = !!fs.statSync(path.join(sysRoot, "sysnative")); | ||
} catch (err) {} | ||
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return isWOW64 ? "x64" : "x86"; | ||
} | ||
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/** | ||
* On Linux, use the `getconf` command to get the architecture. | ||
*/ | ||
if (process.platform === "linux") { | ||
var output = cp.execSync("getconf LONG_BIT", { encoding: "utf8" }); | ||
return output === "64\n" ? "x64" : "x86"; | ||
} | ||
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/** | ||
* If none of the above, assume the architecture is 32-bit. | ||
*/ | ||
return "x86"; | ||
} | ||
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// implementing it b/c we don't want to depend on fs.copyFileSync which appears | ||
// only in [email protected] | ||
function copyFileSync(sourcePath, destPath) { | ||
var data; | ||
try { | ||
data = fs.readFileSync(sourcePath); | ||
} catch (e) { | ||
console.log("Couldn't find " + sourcePath + " trying with .exe"); | ||
data = fs.readFileSync(sourcePath + ".exe"); | ||
sourcePath = sourcePath + ".exe"; | ||
} | ||
var stat = fs.statSync(sourcePath); | ||
fs.writeFileSync(destPath, data); | ||
fs.chmodSync(destPath, stat.mode); | ||
} | ||
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var copyPlatformBinaries = (platformPath) => { | ||
var platformBuildPath = path.join(__dirname, "platform-" + platformPath); | ||
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foldersToCopy.forEach((folderPath) => { | ||
var sourcePath = path.join(platformBuildPath, folderPath); | ||
var destPath = path.join(__dirname, folderPath); | ||
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copyRecursive(sourcePath, destPath); | ||
}); | ||
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binariesToCopy.forEach((binaryPath) => { | ||
var sourcePath = path.join(platformBuildPath, binaryPath); | ||
var destPath = path.join(__dirname, binaryPath); | ||
if (fs.existsSync(destPath)) { | ||
fs.unlinkSync(destPath); | ||
} | ||
copyFileSync(sourcePath, destPath); | ||
fs.chmodSync(destPath, 0777); | ||
}); | ||
}; | ||
|
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try { | ||
fs.mkdirSync("_export"); | ||
} catch (e) { | ||
console.log("Could not create _export folder"); | ||
} | ||
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switch (platform) { | ||
case "win32": | ||
if (arch() !== "x64") { | ||
console.warn("error: x86 is currently not supported on Windows"); | ||
process.exit(1); | ||
} | ||
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copyPlatformBinaries("windows-x64"); | ||
break; | ||
case "linux": | ||
case "darwin": | ||
copyPlatformBinaries(platform); | ||
break; | ||
default: | ||
console.warn("error: no release built for the " + platform + " platform"); | ||
process.exit(1); | ||
} | ||
|
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require("./esyInstallRelease"); |
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