gitk: command not found

问题:

Environment: Mac OSX 10.10. When I was trying to use gitk, it shows:

Coda-2:~ Coda$ gitk -bash: gitk: command not found 

I think the reason is the old version of git. Here is some information, and I have already typed brew update.

Coda-2:~ Coda$ git --version git version 1.9.3 (Apple Git-50) Coda-2:~ Coda$ brew install git  Warning: git-2.4.0 already installed, it's just not linked 

What is this message: it's just not linked?

Furthermore, I check the path of git:

Coda-2:~ Coda$ which git /usr/bin/git 

It should be in /usr/bin/local/git? How to fix it?

UPDATE

I figure it out, thank @TimCastelijns.

brew doctor said:

Warning: You have unlinked kegs in your Cellar Leaving kegs unlinked can lead to build-trouble and cause brews that depend on those kegs to fail to run properly once built. Run `brew link` on these:      git 

So, I typed:

Coda-2:~ Coda$ brew link git Linking /usr/local/Cellar/git/2.4.0... 220 symlinks created 

Then I typed gitk, and it worked and the path changed to /usr/local/bin/git. However, when I want to check the version of git. It still showed the old version, why?

Coda-2:~ Coda$ git --version git version 1.9.3 (Apple Git-50) 

回答1:

First, check git version.

Type git --version, and it may show old version.

Next, update your Homebrew

Type brew update.

Then, download the latest version. brew install git

Note that, if it show Warning: git-2.4.0 already installed, it's just not linked

We can check brew doctor, in my case, it told me to use brew link git

Finally, type brew install git again and restart terminal.

I can use gitk and upgrade git version to the latest version.

Update

Since gitx is no longer supported for OSX 10.12, I recommend using Gitx-dev

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