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Version Control System - GIT

This document is a brief introduction to version control system. The main purpose of this topic is to elaborate about version controlling in software system development.

This blog prepared by Nex's Software developers – who expert in providing software development services in India

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A version control system fills the following needs, among others.

  • Version control enables many people similar to work on a solitary project. Everybody can keep up their very own work and files on the unify archive and can share with anyone. Transitory edits by one person or individual do not influence the other person's or individual’s work.
  • Version control incorporates work done by various team members in lateral. In the Version Control System (VCS), numerous team members can work on the same document file that can be linked without losing any of their work. Regardless of whether 2 peoples are dealing with the same line of code, VCS gives the notice during code registration about which version you need to be with. It enables the client to choose which line of code you need to keep and rest (unused) can be removed.
  • Version Control System keeps the historical backdrop of each check-in that means it maintains the history of your vault and in the case if you lost your local backup you can restore the last checked-in code from the history or even from few upheld up records according to your need. You can have all the analysis of any specific file that how has processed on that file and what changes made on that document.

Distributed and centralized version control

In General aspects, There are two kind of version control one is centralized and other one is distributed.

Distributed version control is more modern, runs faster and has more features.

In centralized version control, each user gets working copy, but there is just one central repository. One user can commit and update their changes at once. As soon as you commit, than only it will be available for others to update and to view your updates.

Every change made to the files by any of the users is tracked, along with who made the change, why they made it.

Benefits of Version Control System:

This is the solution of the long-term changes history of maintaining the file backup versioning. Every changes made by the individuals if working in parallel in the team for same project, you do not need to worry about the backup or merging their work.

Branching and merging makes the benefit to team member that provides the ability to work on independent stream without have affection of others, making changes in same file. It provides the facility to merge that work back together, enabling developers to verify that the changes on each branch do not conflict.

Top Version Control Systems Git is free of cost and open source distributed version control (DVC) system for software programming advancement.

  • GIT
  • CVS
  • SVN
  • Assemble
  • Mercurial

GIT

Git is a costless and open source Distributed Version Control (DVC) system for software improvement. Git is a version control system that allows the user to manage their repositories in the product life cycle.

Git is particularly adept at organizing, branching, and dissemination of code. Git is a Version Control System (VCS) and that to be distributed system which was developed by  Linus Torvalds

Here are few Git commands which are common in use :

  • git config
  • git init
  • git clone
  • git add
  • git commit
  • git diff
  • git status
  • git rm
  • git branch
  • git checkout
  • git merge
  • git remote
  • git push
  • git pull
  • git stash

GIT Commands:

Command: git config

Usage: git config –global user.name “[name]”

Usage: git config –global user.email “[email address]”

This is used to tell the user name and email address just to get details before committing the change, will show as your details.

Command: git init

Usage: git init (repository name)

This is used to start a new repository.

Command: git clone

Usage: git clone (repository URL)

This is used to get cloned (copy) a repository from an existing URL.

Command: git add

Usage: git add (Target file)

This will add a file to the staging area.

Usage: git add *

This will add one or more to the staging area.

Command: git commit

Usage: git commit -m (commit message)

This will update the file permanently in the version history.

Usage: git commit -a

This will commits any files you’ve added in the git repository add command and also commits any files you’ve changed.

Command: git diff

Usage: git diff

This command will show the file differences which are not yet staged.

Usage: git diff –staged

This command will show the differences between the files in the staging and the latest version available.

Usage: git diff (first branch) (second branch)

This will show the differences between the two branches mentioned.

Command: git status

Usage: git status

This command will list all the files that have to be committed.

Command: git rm

Usage: git rm [file]

This command will delete the file from your working directory and stages the deletion.

Command: git branch

Usage: git branch

This command will list all the local branches in the current repository.

Usage: git branch [branch name]

This command creates a new branch.

Usage: git branch -d [branch name]

This command deletes the feature branch.

Command: git checkout

Usage: git checkout (branch name)

This will switch you from one branch to another.

Usage: git checkout -b (branch name)

This command will create a new branch and also switches to it.

Command: git merge

Usage: git merge (branch name)

This will merge the specified branch’s history into the current branch.

Command: git remote

Usage: git remote add (variable name) (Remote Server Link)

This command is utilized to interface your local vault to the remote server.

Command: git push

Usage: git push (variable name) master

This command will send the submitted changes of the expert branch to your remote archive.

Usage: git push (variable name) (branch)

This command will send the branch commits to your remote repository.

Usage: git push –all (variable name)

This will push all branches to your remote repository.

Usage: git push (variable name) : (branch name

This will deletes a branch on your remote repository

Command: git pull

Usage: git pull (Repository URL)

This command will fetch and merges changes on the remote server to your working directory.

Command: git stash

Usage: git stash save

This command will temporarily store all the modified tracked files.

Usage: git stash pop

This will restore the most recently stashed files.

Usage: git stash drop

This will discard the most recently stashed changes.

Conclusion:

A version control system or VCS, is a source of technics that tracks and manages changes to files by using a single repository within the team. A VCS also offers collective and collaborative utilities to share and integrate the file changes to other users.

Version control software monitors each alteration modification to the. If any pointless changes are made, a user can see back the history logs and analyze prior versions of the file with assistance to fix the mistake while limiting disturbance to all team members.

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