Re: [PATCH] Add git-annotate - a tool for annotating files with the revision and person that created each line in the file.

Johannes Schindelin [off-list ref] writes:

quoted

Are there any rules on the choice of the script language ?

Yes. Do not try to introduce unnecessary dependencies. But if it is 
the right tool to do the job, you should use it. As of now, we have perl, 
python and Tcl/Tk.

Very well said.  That's what currently stands.