git_commands

## Authorship ##

git config --global user.name user_name
git config --global user.email	user_email_id

git reset commit --amend --author=" user_name <user_email_id>" ... to set authorship of top commit
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git init    				..to initialize git repo in local directory

git add 				.. to add untrack files or files to add in staging state

git status 				.. to check changed status of files which might be in staging, modified

git commit				.. to commit/save existing changes with its description,commit msg

git commit -m "commit msg"		.. to commit/save existing changes only with commit msg not with description

git log					.. to check commit log history

git log --oneline			.. to check commit log history in one online/just with commit msg

git remote -v 				.. to view all remote repo url availble in local repo

git remote add any_variable repo_url	.. to add remote repo on temp. basis.

git fetch any_varible			.. to fetch remote repo which is stored in "any_variable"

git branch				.. to check existing avialble branches

git branch -a				.. to track remote and local branches

git push -u any_variable branch_name	.. -u (to set default upstream remote repo with branch ),
					    to push existing changes to remote repo in specified branch_name

git push				.. to push existing changes in already set upstream branch and repo

git push any_variable --all		.. to push all existing branches to remote repo url which is stored in any_variable

git push -f				.. force push existing changes 
					    (dont used it if anything goes wrong you will lose latest changes if remote repo was updated one)

git pull				.. to pull/pick already existed changes of remote repo

git checkout branch_name		.. to switch in another branch

git branch new_branch_name		.. create new branch

git checkout -b new_branch_name		.. to create and switch to new branch

git branch -d branch_name		.. to delete any existing branch on local repo (dont use it,you will lose branch permanently with their code)

git revert commit_hash			.. to revert changes of specified commit

git cherry-pick commit_hash		.. to pick changes of specified commit

git commit --amend		.. to edit existing commit msg/description
					   also use to save changes after edit existing changes with the same commit description
					   make sure you have that commit on the top.
										
git reset --hard			 .. discard all existing changes before commiting any changes

git reset --hard commit_hash		 .. reset to the particular commit. or we can say we will have changes + history at that particular commit only
					    also we will lose latest changes if you dont know the hash of latest commit.


git clone repo_url			.. clone remote repo

git clone repo_url /path/directory_name	.. clone remote repo in specific path with same or new name of the dirctory

git clone repo_url -b branch_name	.. clone remote repo with specified branch

git clone repo_url -b branch_name /path/directory_name	.. clone remote repo with specified branch in the path with same or new name of the directory

git diff				.. to see changed state of the files (added/deleted/modified)