git whatchanged <option>…
Shows commit logs and diff output each commit introduces.
The command is kept primarily for historical reasons; fingers of
many people who learned Git long before
git log was invented by
reading Linux kernel mailing list are trained to type it.
git whatchanged -p v2.6.12.. include/scsi drivers/scsi
Show as patches the commits since version v2.6.12 that changed any file in the include/scsi or drivers/scsi subdirectories
git whatchanged --since="2 weeks ago" -- gitk
Show the changes during the last two weeks to the file gitk. The "--" is necessary to avoid confusion with the branch named gitk
Part of the git(1) suite