you should push to a private working branch- and freqently. But, when merging your changes to a central branch you should squash all the intermediate commits an

you should push to a private working branch- and freqently. But, when merging your changes to a central branch you should squash all the intermediate commits and just provide one commit with the asked for change. Enshrining "end of day commits", "oh, that didn't work" mistakes, etc is not only demoralizing for the developer(s), but it makes tracing changes all but impossible.