What is GIT?
All local GitHub activity on your computer is managed by Git, a distributed version control system that is free and open source. The most significant and often used Git commands are listed on this cheat sheet for quick access.
1) SETUP
git config --global user.name “[firstname lastname]”
set a name that is identifiable for credit when review version history
git config --global user.email “[valid-email]”
set an email address that will be associated with each history marker
git config --global color.ui auto
set automatic command line coloring for Git for easy reviewing
2) SETUP & INIT
git init
initialize an existing directory as a Git repository
git clone [url]
retrieve an entire repository from a hosted location via URL
3) STAGE & SNAPSHOT
git status
show modified files in working directory, staged for your next commit
git add [file]
add a file as it looks now to your next commit (stage)
git reset [file]
unstage a file while retaining the changes in working directory
git diff
diff of what is changed but not staged
git diff --staged
diff of what is staged but not yet commited
git commit -m “[descriptive message]”
commit your staged content as a new commit snapshot
4) BRANCH & MERGE
git branch
list your branches. a * will appear next to the currently active branch
git branch [branch-name]
create a new branch at the current commit
git checkout
switch to another branch and check it out into your working directory
git merge [branch]
merge the specified branch’s history into the current one
git log
show all commits in the current branch’s history
5) INSPECT & COMPARE
git log
show the commit history for the currently active branch
git log branchB..branchA
show the commits on branchA that are not on branchB
git log --follow [file]
show the commits that changed file, even across renames
git diff branchB...branchA
show the diff of what is in branchA that is not in branchB
git show [SHA]
show any object in Git in human-readable format
6) TRACKING PATH CHANGES
git rm [file]
delete the file from project and stage the removal for commit
git mv [existing-path] [new-path]
change an existing file path and stage the move
git log --stat -M
show all commit logs with indication of any paths that moved
7) IGNORING PATTERNS
logs/
*.notes
pattern*/
Save a file with desired paterns as .gitignore with either direct string matches or wildcard globs.
git config --global core.excludesfile [file]
system wide ignore patern for all local repositories
8) SHARE & UPDATE
git remote add [alias] [url]
add a git URL as an alias
git fetch [alias]
fetch down all the branches from that Git remote
git merge [alias]/[branch]
merge a remote branch into your current branch to bring it up to date
git push [alias] [branch]
Transmit local branch commits to the remote repository branch
git pull
fetch and merge any commits from the tracking remote branch
9) REWRITE HISTORY
git rebase [branch]
apply any commits of current branch ahead of specified one
git reset --hard [commit]
clear staging area, rewrite working tree from specified commit
10) TEMPORARY COMMITS
git stash
Save modified and staged changes
git stash list
list stack-order of stashed file changes
git stash pop
write working from top of stash stack
git stash drop
discard the changes from top of stash stack
Thank You!