Once upon a time, Lennart Poettering mzerqung@0pointer.de said:
The shell is API.
Yep, and that API is the POSIX shell language, an extended version of the Bourne shell. It is a Linux curiousity that came along to use bash as /bin/sh.
Currently, if people write shell (#!/bin/sh) scripts on Fedora, they can be sure that the same language is available on all Fedora installations. If you suddenly make /bin/sh something that might be different on all systems, you pretty much break API there.
Writing "#!/bin/sh" and expecting bash in inherently non-portable. Anything that runs on more than one platform will have already found that out. Saying that Fedora can't use anything other than bash as /bin/sh because of that is a very poor argument.
If that's the case, why do we have the /bin/sh symlink? Just remove it and make the bash dependency explicit (so everything has to call /bin/bash).
In general, I am pretty sure that except a couple of programming language or UNIX aficionades very few people can actually correctly separate bashisms from true bourneshellisms.
It isn't that hard.