A commit and information about how it was looked up by the user.

Apply patches to the working directory or index

Attribute management routines

Specify a file's most recent changes per-line

A blob represents a file in a git repository.

Branch creation and handling

A data structure to return data to callers

TLS and SSH certificate handling

Update the contents of the working directory

Cherry-pick the contents of an individual commit

Clone a remote repository to the local disk

A representation of a set of changes in the repository

Base platform functionality

Per-repository, per-user or per-system configuration

Authentication and credential management

Utility functions for credential management

Deprecated functions and values

Describe a commit in reference to tags

Indicate the differences between two versions of the repository

Produce email-ready patches

Error handling routines and variables

Filters modify files during checkout or commit

libgit2 library initializer and shutdown functionality

Graph traversal routines

Ignore particular untracked files

Index (aka "cache" aka "staging area")

Packfile indexing

Mailmaps provide alternate email addresses for users

Merge re-joins diverging branches of history

Commit messages

Low-level networking functionality

Notes are metadata attached to an object

Objects are blobs (files), trees (directories), commits, and annotated tags

An object database manages the storage of git objects

Object database backends manage the storage of git objects

Object IDs

An array of object IDs

Git pack management routines

Patches store the textual diffs in a delta

Specifiers for path matching

TLS proxies

Rebase manipulates commits, placing them on a new parent

A database for references (branches and tags)

Reference logs store how references change

References point to a commit; generally these are branches and tags

Refspecs map local references to remote references

Remotes are where local repositories fetch from and push to

The repository stores revisions for a source tree

Reset will update the local repository to a prior state

Cherry-pick the inverse of a change to "undo" its effects

Parse the textual revision information

Traverse (walk) the commit graph (revision history)

Signatures are the actor in a repository and when they acted

Stashes stores some uncommitted state in the repository

Status indicates how a user has changed the working directory and index

An array of strings for the user to free

Submodules place another repository's contents within this one

A (nearly) immutable pointer to a commit; useful for versioning

Tracing functionality to introspect libgit2 in your application

Transactional reference handling

Transports are the low-level mechanism to connect to a remote server

Trees are collections of files and folders to make up the repository hierarchy

libgit2 base & compatibility types

The version of libgit2

Additional working directories for a repository

Custom memory allocators

Low-level Git commit creation

Commit graphs store information about commit relationships

Custom configuration database backends

Low-level credentials implementation

Low-level diff utilities

Advanced git email creation routines

Advanced error handling

Custom filter backends and plugins

Signatures for file similarity comparison

Low-level index manipulation routines

A custom object database backend for storing objects in-memory

Custom merge drivers

Incremental multi-pack indexes

Object database backends for custom object storage

Custom OpenSSL functionality

Custom path handling

Custom reference database backends for refs storage

Low-level git reference creation

Low-level remote functionality for custom transports

Custom repository handling

Streaming file I/O functionality

Custom transport registration interfaces and functions