Windows 10: What’s new in Git for Windows 2.11?

Brink · Nov 30, 2016

Git for Windows v2.11.0 is out! Download it here (homepage is here).

The new version corresponds to Git v2.11.0 (release notes are here, and our friends over at GitHub blogged about it, too). Apart from the improvements inherited from the “upstream Git” project, Git for Windows also updated some libraries to address security concerns, and dropped support for Windows XP.

Performance improvements

The new Git version features speed improvements all over the place. It is my pleasure to say that some of these improvements originate in the Git for Windows project itself, such as the acceleration of git rebase‘s startup phase by making the patch ID generation smarter.

A few more speedups went into Git for Windows specifically

the hash generation now leverages OpenSSL’s Intel CPU support, which speeds it up noticeably.

When working in large worktrees, git add is now a lot faster.

The “fscache” feature that already speeds up most disk accesses now plays better with sparse checkouts.

The internal cache to handle file names in a case-insensitive manner is now much more efficient.

Even if Git for Windows does not ship with Git LFS (due to size concerns), the new Git for Windows has support for substantially faster clones when using many binary files managed by Git LFS.

Experimental, faster difftool

One of the factors contributing to Git for Windows “feeling” slower than, say, Git on Linux, is the fact that some Git functionality is actually not implemented in native code, but as shell or Perl script. As neither a shell nor a Perl are provided by default in a regular Windows setup, Git for Windows ships with a “pseudo POSIX” environment called MSYS2 (which is in turn based on Cygwin). The need for this POSIX emulation layer slows things down considerably.

That is the reason why the Git for Windows converts scripted parts into native code, as was done with the interactive rebase in Git for Windows v2.10.

In Git for Windows v2.11, there is now a difftool that is a “builtin”, i.e. native code. As the new builtin difftool needs more wide-spread testing, it is an opt-in feature; by default, git difftool will still call the original script.

Visual Studio support

By far the most effort in the v2.11 cycle has gone into building Git for Windows’ master branch with Visual Studio. In fact, there are two ways to build via Visual C: using the command-line, and in Visual Studio. Both options work using Visual Studio’s Community edition, by the way.

I would like to indulge in enumerating just a couple of the goodies now available to us:

Code navigation! The Ctrl+, keyboard shortcut to navigate to declarations, definitions, and files, is easily my most favorite tool here.

Refactoring tools! Visual Studio comes with a couple of functions that make refactoring much more painless.

Debugging! Visual Studio’s integrated debugger offers nifty features such as inspecting code, single-stepping, and hot-patching changed code. It is hard not to love having those options.

Profiling tools! These tools already helped identify a couple of bottlenecks.

It was far from easy to get to that point, and I cannot thank enough all the people involved with this effort, in particular Jeff Hostetler and Philip Oakley, for their tenacity and code contributions. Git for Windows already had a script to generate Visual Studio project definitions since 2009, with a recent effort to bring the script up-to-date and to fix Git’s source code to build correctly.

The official Git for Windows will still be built with GNU C (“GCC”), simply because you should never change a winning team. Oh, and the Git project itself uses GCC, too, hence we avoid battling unnecessary fights by sticking to GNU C for the official releases.

But it is really nice to have the option to simply clone, check out the vs/master branch, immediately start playing with the source code, and then run the test suite from a regular Git Bash (no Git for Windows SDK required).
Click to expand...

Source: Whats new in Git for Windows 2.11? | Microsoft Application Lifecycle Management

:)

Matthewasdf · Nov 30, 2016

bash apt-get fails to connect to ubuntu same when using aptitude

When I was trying to install "git" in bash, it always had a problem connecting to ubuntu's servers. Yes I have internet, Yes I can browse using a browser. I can pull up webpages I've never been to. I can ping an ip address etc etc etc. I also went directly
to the file it was attempting to download and was able to download the deb it couldn't find. I even did an apt-get update. Still can't connect to ubuntu servers. It has to do with the bash itself. This is very upsetting because I've seen videos with other
people being able to install git and other repositories just fine. If anyone had this problem or can help me fix this that be great!

I included this also

root@localhost:/mnt/c/Users/Matthew# apt-get install git

Reading package lists... Done

Building dependency tree

Reading state information... Done

The following extra packages will be installed:

git-man liberror-perl

Suggested packages:

git-daemon-run git-daemon-sysvinit git-doc git-el git-email git-gui gitk

gitweb git-arch git-bzr git-cvs git-mediawiki git-svn

The following NEW packages will be installed:

git git-man liberror-perl

0 upgraded, 3 newly installed, 0 to remove and 0 not upgraded.

Need to get 3,306 kB of archives.

After this operation, 21.9 MB of additional disk space will be used.

WARNING: The following packages cannot be authenticated!

git-man git

Err Index of /ubuntu trusty/main liberror-perl all 0.17-1.1

Could not resolve 'archive.ubuntu.com'

Err Index of /ubuntu trusty-updates/main git-man all 1:1.9.1-1ubuntu0.3

Could not resolve 'archive.ubuntu.com'

Err Index of /ubuntu trusty-security/main git-man all 1:1.9.1-1ubuntu0.3

Could not resolve 'security.ubuntu.com'

Err Index of /ubuntu trusty-security/main git amd64 1:1.9.1-1ubuntu0.3

Could not resolve 'security.ubuntu.com'

E: Failed to fetch http://archive.ubuntu.com/ubuntu/pool/main/libe/liberror-perl/liberror-perl_0.17-1.1_all.deb Could not resolve 'archive.ubuntu.com'

E: Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/g/git/git-man_1.9.1-1ubuntu0.3_all.deb Could not resolve 'security.ubuntu.com'

E: Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/g/git/git_1.9.1-1ubuntu0.3_amd64.deb Could not resolve 'security.ubuntu.com'

E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?

Hieu Tran BK108 · Nov 30, 2016

Windows10Upgrade Folder on C:

In case you can not delete any folder by Windows tool, you can try ti install
Git Bash, then you press Windows button on your keyboard, and type Git. You must open git bash with Administrator.

After that, you cd to C:, and type command line "rm -rf Windows10Updgade" then prompt enter button, wait for some seconds => Done.

Hope it can help you.

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