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This is version 0.22.1 of libgit2.

The helper wraps the libgit2 git_strarray type and handles its memory.
It's a private class since users should only deal with QStringLists and
other C++ level string containers.

Setting and using the git_remote callbacks is now handled in a utility
which the Remote class uses. This enables others to use the same
functionality too.

The goal here was to get Remote not be the only class that can use the
Credentials (Remote was a friend class for Credentials). Now any class
in the library can use the Credentials throgh the CredentialsPrivate
interface.

Sources are collected recursively. Public headers start with "qgit" (and
libqgit2_config.h is also included). Other headers are private.

Updated Qt didn't provide this automatically anymore.

This is a non-released (i.e. non-tagged) version of libgit2 but it
contains a few important fixes on top of the most recent libgit2 0.21.x
release.

Separated private headers and sources from public ones. Only install the
public headers.

Start from 0.

The version tries to follow that of libgit2 somewhat. Let's see if it
works out.

Removed CMake related installations: this project doesn't have anything
related to CMake to install.

Removed (almost) empty CMakeLists.txt in src directory: it wasn't used
for anything.

There was very little difference between these classes and it was a bit
cumbersome to use. Better to have just one Signature class.

A simple wrapper for git_merge_base() in libgit2. This method handles
Commit objects while git_merge_base handles oids.

Now they are probably more in the order of frequency that things are
amended in a commit.

If the behaviour of git_graph_ahead_behind is supposed to mimic the
behaviour of core git's git-branch then the ahead and behind arguments
are in the opposite order.

A wrapper for libgit2's git_graph_ahead_behind() but with a slightly
different terminology.

A simple wrapper for libgit2 function git_index_update_all(). The
libqgit2 version doesn't provide the pathspec argument nor the callback
method functionality.

Simple wrapper for git_index_entry_stage().

Also declare flag operators for CheckoutOptions

QPointer doesn't destroy its object upon destruction. Changed to a
pointer type that does that.

This categorizes the exception somewhat so it could be easier for the
user to tell apart exceptions thrown for various reasons. The categories
map directly to the error classes of libgit2.

A wrapper for libgit2's git_cherry_pick() function. A new class -
CherryPickOptions - wraps the git_cherry_pick_options struct of libgit2.

A commit can be amended. A quite direct wrapper for libgit2's
git_commit_amend().

Put them somewhat in the order of importance. Also documented the
arguments.