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var path = require("path");

var local = path.join.bind(path, __dirname);

var exec = require(local("../utils/execPromise"));

var buildFlags = require(local("../utils/buildFlags"));

module.exports = function prepareForBuild() {

console.log("[nodegit] Running pre-install script");

return exec("npm -v")

.then(

function(npmVersion) {

if (npmVersion.split(".")[0] < 3) {

console.log(

"[nodegit] npm@2 installed, pre-loading required packages"

);

return exec("npm install --ignore-scripts");

}

return Promise.resolve();

},

function() {

// We're installing via yarn, so don't

// care about compability with npm@2

}

)

.then(function() {

if (buildFlags.isGitRepo) {

var submodules = require(local("submodules"));

var generate = require(local("../generate"));

return submodules()

.then(function() {

return generate();

});

}

});

};

// Called on the command line

if (require.main === module) {

module.exports()

.catch(function(e) {

console.error("[nodegit] ERROR - Could not finish preinstall");

console.error(e);

process.exit(1);

});

}