git_hub.md

config

git config user.email "Da99er87@ya.ru" \
&& git config  user.name "Da99er" \ 

config examle

git config --global user.mail "email@example.ru" # add config email
git config --global user.name "somename" # add config user name
git config --list # all config parametr list

work on local machine

git init # start work, create git folder
git status # status of all element, check changes
git add somefile.txt # add all files to work list
git add . # <-will add all files
git rm -fr somefile.txt  # remove some file or folder
git commit -m "my comment" # save this work progress local

work with github.com folder must be equal on local and github side

git remote add somename https://github.com/Da99er/site.git  # link to github.com directory
git remote rm somename # remove wrong github.com directory (then must: remote add somename http:// )

git push -u somename master   # push to github server and save "-u"  from->to
git push  # push if we have -u

inforamation

git log  # information about our steps
git log -p -2  # -p, which shows the difference introduced in each commit. 2, which limits the output to only the last two entries
git branch  # show your line 
git branch -la  # show all lines 
git diff # show difference  width new changes
git show HEAD # display everything the git command git log,plus the file changes
git checkout HEAD somefile.txt # Discards changes in the work directory will restore the file in your working directory to look exactly as it did when you last made a commit
git reset HEAD somefile.txt # Unstage file changes in the staging area. remove all changes from history and working directory
M somefile.txt # M -short modificate
git reset 1234567 # can be used to reset to a previous commit in your commit history. go to previous commit
git ls-files # show all files except ignored

how to download folder from server

git clone https://some-url   # copy folder from server

how to download changes from server

git remote -v # list of all remotes
git remote add somename https://github.com/Da99er/site.git # now link have little name
git fetch somename # we can add --force
git merge somename/master   # we mergin two branch

remove all changes

git stash

pull if push blocks by remote commits

git pull --rebase

force pull

git fetch --all 
git reset --hard somename/master # usually origin master
git pull somename master # usually origin master

delete remote branch

git push origin --delete origin/somebranch

restore deleted localy file no commited

git checkout HEAD <path>
ssh-keygen -t rsa -b 4096 -C "your_email@example.com" # Creates a new ssh key, using the provided email as a label

work with branches

git branch # list all a git project's branches 
git branch mynewbranch # create new branch 
git checkout mynewbranch # switch to another git branch 
git merge mynewbranch # used to join file changes from one branch to another 
git branch -d mynewbranch # will delete this branch 
git checkout anotherbranchname -> git merge master # merge the master branch into the feature (anotherbranchname) branch 

rename branches

git branch -m old_branch_name new_branch_name # rename branch 
git push origin new_branch_name:master # push new name of branch 

tags

git update-ref refs/tags/v1.0 cac0cab538b970a37ea1e769cbbde608743bc96d # create or update tag 
git push origin v1.0 # push tag to server  

rename and push tags

git tag newname_tag oldname_tag
git tag -d oldname_tag
git push origin :refs/tags/oldname_tag

load tag

git checkout newname_tag
git pull origin master(some)
git push origin aet_test -f # update tag