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uninstall.js

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'use strict';

var fs = require('fs')

, path = require('path')

, exists = fs.existsSync || path.existsSync

, root = path.resolve(__dirname, '..', '..')

, git = path.resolve(root, '.git');

//

// Resolve git directory for submodules

//

if (exists(git) && fs.lstatSync(git).isFile()) {

var gitinfo = fs.readFileSync(git).toString()

, gitdirmatch = /gitdir: (.+)/.exec(gitinfo)

, gitdir = gitdirmatch.length == 2 ? gitdirmatch[1] : null;

if (gitdir !== null) {

git = path.resolve(root, gitdir);

}

}

//

// Location of pre-commit hook, if it exists

//

var precommit = path.resolve(git, 'hooks', 'pre-commit');

//

// Bail out if we don't have pre-commit file, it might be removed manually.

//

if (!exists(precommit)) return;

//

// If we don't have an old file, we should just remove the pre-commit hook. But

// if we do have an old precommit file we want to restore that.

//

if (!exists(precommit +'.old')) {

fs.unlinkSync(precommit);

} else {

fs.writeFileSync(precommit, fs.readFileSync(precommit +'.old'));

fs.chmodSync(precommit, '755');

fs.unlinkSync(precommit +'.old');

}