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| 'use strict';
var Promise = require('promise');
var exec = require('child_process').exec;
var async = require('async');
var fs = require("fs");
var path = require("path");
var _ = require("lodash");
require('colors');
require("xcept");
var add = function(files){
return new Promise(function(resolve, reject){
exec('git add ' + files, function(err){
if (err){
reject(err);
}
else {
resolve();
}
});
});
};
var commit = function(message, options){
options = options || "";
return new Promise(function(resolve, reject){
exec('git commit ' + options + ' -m \"' + message + '\"', function(err){
if(err){
reject(err);
}
else {
resolve();
}
});
});
};
var getCurrentBranch = function(){
return new Promise(function(resolve, reject){
exec('git rev-parse --abbrev-ref HEAD', function(err, result){
if(err){
reject(err);
}
else {
resolve(result.split("\n").join(""));
}
});
});
};
var showFilesAdded = function(){
return new Promise(function(resolve, reject){
exec('git status', function(err, result){
if(err){
reject(err);
}
else {
var filesAdded = [];
result = result.split("\n");
result.forEach(function(line){
if(line.indexOf('\t') > -1){
filesAdded.push(line);
}
});
resolve(filesAdded.join("\n"));
}
});
});
};
var getFilesCached = function(){
return new Promise(function(resolve, reject){
exec('git diff --name-only --cached', function(err, result){
if (err){
reject(err);
}
else {
var files = result.split("\n");
files.pop();
resolve(files);
}
});
});
};
var haveFilesToCommit = function(){
return new Promise(function(resolve, reject){
exec('git status', function(err, result){
if (err){
reject(err);
}
else {
result = result.split("\n")
result.pop();
if (result.pop().indexOf('nothing to commit') > -1){
reject('There are no files to commit');
}
else {
resolve();
}
}
});
});
};
var showFilesModified = function(){
return new Promise(function(resolve, reject){
exec('git diff --name-only', function(err, result){
if(err){
reject(err);
}
else {
var filesAdded = [];
result = result.split("\n");
result.pop();
resolve(result);
}
});
});
};
var revert = function(files){
files = Array.isArray(files) ? files : [files];
return new Promise(function(resolve, reject){
async.each(files, function(file, next){
exec('git checkout -- ' + file, function(err){
if (err){
next(err);
}
else {
next();
}
});
}, function(err){
if(err){
reject(err);
}
else {
resolve();
}
});
});
};
var isGit = function(){
return new Promise(function(resolve, reject){
fs.lstat(path.join(process.cwd(), ".git"), function(err, exists){
Iif (err){
reject('This is not a git repository. Please make sure this is a git repository before you continue');
}
else{
resolve(exists);
}
});
});
};
var isGitSync = function(){
return fs.lstatSync(path.join(process.cwd(),".git"))? true: false;
};
var parseBranches = {
all: function(result){
var branches = [];
result = result.split('\n');
result.pop();
result.forEach(function(branch){
branch = branch.substring(2);
if(branch.indexOf('remotes') > -1){
branch = branch.replace('remotes/','');
branch = branch.substring(branch.indexOf('/')+1);
branches.push(branch);
}
else {
branches.push(branch);
}
});
return branches;
},
local: function(result){
var branches = [];
result.split('\n').forEach(function(branch){
if(branch.indexOf('refs/heads') > -1){
branches.push(branch.replace('refs/heads','').substring(branch.indexOf('refs/heads')+1));
}
});
return branches;
}
};
var getBranches = {
local: function(){
return new Promise(function(resolve, reject){
exec('git show-ref', function(err, result){
if(err){
reject(err);
}
else {
var branches = parseBranches.local(result);
resolve(branches);
}
});
});
},
all: function(){
return new Promise(function(resolve, reject){
exec('git branch -a', function(err, result){
if(err){
reject(err);
}
else {
var branches = parseBranches.all(result);
branches = _.uniq(branches);
resolve(branches);
}
});
});
}
}
var checkout = function(branch){
return new Promise(function(resolve, reject){
exec('git checkout ' + branch, function(err, result){
if(err){
reject(err);
}
else {
resolve(branch);
}
});
});
};
var newBranch = function(newBranchName){
return new Promise(function(resolve, reject){
exec('git checkout -b ' + newBranchName, function(err){
if(err){
reject(err);
}
else {
resolve(newBranchName);
}
});
});
};
var deleteBranch = function(branch){
return new Promise(function(resolve, reject){
exec("git branch -d " + branch, function(err){
if (err){
reject(err);
}
else {
resolve();
}
});
});
};
var deleteBranches = function(branches){
var obj = {
success: [],
failure: []
};
return new Promise(function(resolve){
async.each(branches, function(branch, next){
deleteBranch(branch).then(function(){
obj.success.push(branch);
next();
}).catch(function(err){
obj.failure.push(branch);
next();
});
}, function(){
resolve(obj);
});
});
};
module.exports = {
haveFilesToCommit: haveFilesToCommit,
add: add,
getCurrentBranch: getCurrentBranch,
showFilesAdded: showFilesAdded,
showFilesModified: showFilesModified,
commit: commit,
revert: revert,
isGit: isGit,
isGitSync: isGitSync,
getBranches: getBranches,
newBranch: newBranch,
checkout: checkout,
getFilesCached: getFilesCached,
deleteBranch: deleteBranch,
deleteBranches: deleteBranches
};
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