93 lines
2.1 KiB
JavaScript
93 lines
2.1 KiB
JavaScript
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'use strict';
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var platform = require('os').platform();
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var spawnSync = require('child_process').spawnSync;
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var readdirSync = require('fs').readdirSync;
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var GLIBC = 'glibc';
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var MUSL = 'musl';
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var spawnOptions = {
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encoding: 'utf8',
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env: process.env
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};
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if (!spawnSync) {
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spawnSync = function () {
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return { status: 126, stdout: '', stderr: '' };
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};
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}
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function contains (needle) {
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return function (haystack) {
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return haystack.indexOf(needle) !== -1;
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};
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}
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function versionFromMuslLdd (out) {
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return out.split(/[\r\n]+/)[1].trim().split(/\s/)[1];
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}
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function safeReaddirSync (path) {
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try {
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return readdirSync(path);
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} catch (e) {}
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return [];
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}
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var family = '';
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var version = '';
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var method = '';
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if (platform === 'linux') {
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// Try getconf
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var glibc = spawnSync('getconf', ['GNU_LIBC_VERSION'], spawnOptions);
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if (glibc.status === 0) {
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family = GLIBC;
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version = glibc.stdout.trim().split(' ')[1];
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method = 'getconf';
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} else {
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// Try ldd
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var ldd = spawnSync('ldd', ['--version'], spawnOptions);
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if (ldd.status === 0 && ldd.stdout.indexOf(MUSL) !== -1) {
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family = MUSL;
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version = versionFromMuslLdd(ldd.stdout);
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method = 'ldd';
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} else if (ldd.status === 1 && ldd.stderr.indexOf(MUSL) !== -1) {
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family = MUSL;
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version = versionFromMuslLdd(ldd.stderr);
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method = 'ldd';
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} else {
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// Try filesystem (family only)
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var lib = safeReaddirSync('/lib');
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if (lib.some(contains('-linux-gnu'))) {
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family = GLIBC;
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method = 'filesystem';
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} else if (lib.some(contains('libc.musl-'))) {
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family = MUSL;
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method = 'filesystem';
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} else if (lib.some(contains('ld-musl-'))) {
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family = MUSL;
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method = 'filesystem';
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} else {
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var usrSbin = safeReaddirSync('/usr/sbin');
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if (usrSbin.some(contains('glibc'))) {
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family = GLIBC;
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method = 'filesystem';
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}
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}
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}
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}
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}
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var isNonGlibcLinux = (family !== '' && family !== GLIBC);
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module.exports = {
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GLIBC: GLIBC,
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MUSL: MUSL,
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family: family,
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version: version,
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method: method,
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isNonGlibcLinux: isNonGlibcLinux
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};
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