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Source: http://jonas.nitro.dk/git/quick-reference.html

a) Getting help:

• Show help for a command
  • git help command OR git command –help

b) Repository creation:

• Create a repository in the current directory
  • git init

• Clone a remote repository into a subdirectory
  • git clone url

c) File operations:

• Add file or files in directory recursively
  • git add path

• Remove file or directory from the working tree
  • git rm path
    • -f : Force deletion of file(s) from disk

• Move file or directory to new location
  • git mv path destination
    • -f : Overwrite existing destination files

• Restore file from current branch or revision
  • git checkout [rev] file
    • -f : Overwrite uncommitted local changes

d) Working tree:

• Show status of the working tree
  • git status

• Show diff of changes in the working tree
  • git diff [path]

• Show diff of stages and unstaged changes
  • git diff HEAD path

• Stage file for commit
  • git add path

• Unstage file for commit
  • git reset HEAD path

• Commit files that has been staged (with git-add)
  • git commit
    • -a : Automatically stage all modified files

• Undo commit & keep changes in the working tree
  • git reset –soft HEAD^

• Reset the working tree to the last commit
  • git reset –hard HEAD^

• Clean unknown files from the working tree
  • git clean

• Record the current state of the working directory and clean it
  • git stash

e) Examining History:

• View commit log, optionally for specific path
  • git log [path]

• View commit log for a given revision range
  • git log [from[..to]]
    • –stat : List diffstat for each revision
    • -S'pattern' : Search history for changes matching pattern

• Show file annotated with line modifications
  • git blame [file]

f) Remote repositories - remotes:

• Fetch changes from a remote repository
  • git fetch [remote]

• Fetch and merge changes from a remote repository
  • git pull [remote]

• Push changes to a remote repository
  • git push [remote]

• List remote repositories
  • git remote

• Add remote to list of tracked repositories
  • git remote add remote url

g) Branches:

• Switch working tree to branch
  • git checkout branch
    • -b branch : Create branch before switching to it

• List local branches
  • git branch

• Overwrite existing branch, start from revision
  • git branch -f branch rev

• Merge changes from branch
  • git merge branch

h) Exporting and importing:

• Apply patch from stdin
  • git apply - < file

• Format a patch with log message and diffstat
  • git format-patch from[..to]

• Export snapshot of revision to file
  • git archive rev > file
    • –prefix=dir/ : Nest all files in the snapshot in directory
    • –format=[tar|zip] : Specify archive format to use: tar or zip

i) Tags:

• Create tag for a given revision
  • git tag name [revision]
    • -s : Sign tag with your private key using GPG
    • -l [pattern] : List tags, optionally matching pattern

j) File status flags:

• M (modified) : File has been modified
• C (copy-edit) : File has been copied and modified
• R (rename-edit) : File has been renamed and modified
• A (added) : File has been added
• D (deleted) : File has been deleted
• U (unmerged) : File has conflicts after a merge

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