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add small section on git difftool
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schacon committed Oct 8, 2014
commit d44c85e3381a2fd3df94d5555b9a634b2f79da05
7 changes: 7 additions & 0 deletions book/02-git-basics/sections/recording-changes.asc
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Expand Up @@ -360,6 +360,13 @@ index 3cb747f..e445e28 100644
log.size
----

[[_git_difftool]]
[NOTE]
.Git Diff in an External Tool
====
We will continue to use the `git diff` command in various ways throughout the rest of the book. There is another way to look at these diffs if you prefer a graphical or external diff viewing program instead. If you run `git difftool` instead of `git diff`, you can view any of these diffs in software like Araxis, emerge, vimdiff and more. Run `git difftool --tool-help` to see what is available on your system.
====

[[_committing_changes]]
==== Committing Your Changes

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3 changes: 1 addition & 2 deletions book/C-git-commands/1-git-commands.asc
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Expand Up @@ -107,8 +107,7 @@ Finally, we use it to effectively compare submodule changes with `--submodule` i

The `git difftool` command simply launches an external tool to show you the difference between two trees in case you want to use something other than the built in `git diff` command.

TODO: We don't ever cover this, lol.

We only briefly mention this in <<_git_difftool>>.

==== git commit

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