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#!/usr/bin/env node
var path = require('path');
var fs = require('fs');
var util = require('util');
var mkdirp = require('mkdirp');
var execSync = require('child_process').execSync;
const DEFAULT_TAG = [0, 0, 0];
const DEFAULT_REV = 'unknown';
function is_git_repo() {
try {
execSync('git rev-parse', { stdio: ['ignore', 'ignore', 'ignore'] });
return true;
} catch(err) {
return false;
}
}
function parse_tag(raw_tag) {
return raw_tag.replace(/[^0-9.]/g, '').split('.').map(parseFloat).slice(0, 3);
}
function parse_rev(raw_rev) {
return raw_rev.substr(0, 8);
}
var output_dir = process.argv[2];
if (!output_dir) {
console.warn('No output directory given.');
console.warn('Usage: %s [output dir]', path.basename(process.argv[1]));
process.exit(1);
}
if (is_git_repo()) {
var raw_tag = execSync('git describe --tags --always --abbrev=0').toString().trim();
var raw_rev = execSync('git rev-parse HEAD').toString().trim();
// When they're identical, the "git describe" can't find a tag and reports the rev instead.
if (raw_tag == raw_rev) {
var tag = DEFAULT_TAG
var rev = parse_rev(raw_rev)
} else {
var tag = parse_tag(raw_tag)
var rev = parse_rev(raw_rev)
}
} else {
var tag = DEFAULT_TAG;
var rev = DEFAULT_REV;
}
console.log('Tag: %d.%d.%d', tag[0], tag[1], tag[2]);
console.log('Rev: %s', rev);
var header = '// NOTE: DO NOT CHANGE THIS FILE. IT IS AUTOMATICALLY GENERATED.\n' +
'#pragma once\n' +
'\n' +
'#define MBGL_VERSION 0x' + (tag[0] << 16 | tag[1] << 8 | tag[2]).toString(16) + '\n' +
'#define MBGL_VERSION_STRING "' + tag[0] + '.' + tag[1] + '.' + tag[2] + '"\n' +
'#define MBGL_VERSION_MAJOR ' + tag[0] + '\n' +
'#define MBGL_VERSION_MINOR ' + tag[1] + '\n' +
'#define MBGL_VERSION_PATCH ' + tag[2] + '\n' +
'#define MBGL_VERSION_REV "' + rev + '"\n' +
'\n' +
'namespace mbgl {\n' +
'namespace version {\n' +
'\n' +
'extern const int major, minor, patch;\n' +
'extern const char *revision;\n' +
'extern const char *string;\n' +
'extern const unsigned int number;\n' +
'\n' +
'} // namespace version\n' +
'} // namespace mbgl\n';
var header_path = path.join(output_dir, 'include/mbgl/util/version.hpp')
mkdirp.sync(path.dirname(header_path));
fs.writeFileSync(header_path, header);
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