gGit

Git stores everything in a directory, rm -rf .git to delete the git project

git --help command

Changing History

Reflog

Saves every instance of head changes

git reflog #see list of head changes

#Alternate ways to jump to reflog HEADS
git checkout -b after-commit HEAD@{1}
git reset HEAD@{1}

Get specific file from past

git checkout <treeish> -- /path/to/dir/orfile.js

Rebase

  • rewrites history, if commits not local can mess things up

  • could also rebase all your branch commits to occur at end of current master to avoid a merge commit

git rebase master, rebases current branch to master one

Merge master in your branch before push

git pull --rebase origin master

Squash many commits to one

git rebase -i <COMMIT_TO_IGNORE>

  1. Squash all but top

  2. quit-save to rebase

Stash

git stash - Takes dirty changes and saves them without committing

git stash pop - Reapply last saved changes

git stash apply stash@{2}

Undoing Last Commit

git reset --hard HEAD~1 => don't keep changes

git reset --soft HEAD~1 => undo commit, but keep working changes

git revert <commit to undo> =>Commit a commit undoing last commit

Remotes

git remote -v => List origins

Add remote

git remote add origin [github url]

Selecting branch to push from and to

Reset to remote branch

git checkout -B master origin/master //-B resets if it already exists

Other

List Branches By Last Modified

Tagging

git tag -a v1.4 -m "my version 1.4"

Delete branches

git branch -d <branchname>

git remote prune origin //remove all branches not in origin

Stop tracking file

git rm --cached <file>

Remove all Untracked files and build products

git clean -fd //remove everything untracked besides what is ignored by .gitignoregit clean -fdx //remove all untracked files including those ignored by .gitignoregit clean -fdX //only remove files ignored by .gitignore

Find commit that broke it

Did you just change the case in Mac OSX? That will cause git issues

Git grep

git grep [string] find all lines tracked by the git repo with the given string

git grep -n -C 3 TeachApp

Modifiers:

  • -n : show line numbers

  • -C 5: show 5 context lines before and after

  • -i: ignore case

Git Ignore

Git LFS(Large File Store)

Basically, lets you use large files in github by using fileptrs

Setup

  1. brew install git-lfs

  2. Track like git lfs track "*.psd" or have .gitattributes

.gitattributes

Thats it, just use normal workflow

Other people

  1. git lfs install to get huge assets

  2. git lfs pull to get lfs

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