To put the prefix ? to codes by Git/SVN

Question

How can you put the prefix ?v=VersionNumber to each file at your repository efficiently with Git/SVN?

I found out that SO uses the prac

Answer 1

Maybe you were looking for this:

How do I enable ident string for Git repos?

at least setting an $Id$ is possible and using filters will allow you some more options.

Example (not best one) from this answer

echo '*.txt ident' >> .gitattributes
echo '$Id$' > test.txt
git commit -a -m "test"

rm test.txt
git checkout -- test.txt
cat test.txt

See the manual for git-attributes.