Introduce how to use git to manage tex project and use git-latexdiff to comparison.

1. LaTeX with Git
Demo in Debian
By sppmg

2. Basic of git(incomplete)
git init
git add *.tex
git commit -m "msg"
edit your tex file.
edit your tex file.
git add -u
git commit -m "msg"
add all tracked file.
new file will not add . git commit -a -m "msg"
git push origin push(sync.) to remote

3. Compare two versions of tex
use latexdiff
$ latexdiff draft.tex revision.tex > diff.tex
$ latex diff.tex
https://www.inf.unibz.it/dis/wiki/doku.php?id=latex:diff

4. Combine git and latexdiff
$ git log --oneline --all --decorate --graph --color
$ git latexdiff --latexmk --latexopt "-xelatex"
--main main.tex master dev
$ git latexdiff --latexmk --latexopt "-xelatex"
--main main.tex 981a665 dev
Version history (GUI & CLI)
Compare last in 2 branch (master & dev) Compare 2 commit (981a665 & last)
LaTeX compiler
use xelatex

5. Tool list
1.git → VCS(Version Control System)
2.xelatex → LaTeX compiler, Chinese(if use unicode) need.
3.latexdiff → Compare two versions of tex.
4.latexpand → Expand input{} or include{} in tex.
5.git-latexdiff →It is a wrapper around git and latexdiff.
6.latexmk →It is a perl script for running LaTeX the
correct number of times to resolve cross references.
And use it bridge git-latexdiff and xelatex.
You should have it already. Or choose what you like.

6. Install tools in debian
# apt-get install latexdiff latexmk
$ git clone https://gitlab.com/git-latexdiff/git-latexdiff.git
$ cd git-latexdiff/
$ sudo make install-bin
git-latexdiff
latexdiff & latexmk
latexpand
debian 8(jessie)
texlive(2014.20141024-1) +
# apt-get install
texlive-extra-utils
debian 7(wheezy)
texlive(2012)
Download from ctan, put
under $PATH (eg. ~/bin)
git and xelatex
use apt, I don't
write here.

7. Try it now :D

8. Note, list difference in big project
In big project has many tex file, maybe you only want to know
which file changed.
So you can use below command:
$ git diff master dev --name-only
main.bib
main.tex
$ git diff master dev --name-status
A main.bib
M main.tex

9. Reference
●
http://stackoverflow.com/questions/6188780/git-latex-workflow
●
https://gitlab.com/git-latexdiff/git-latexdiff