Re: init.sh changes pushed

[Ralf Wildenhues]

* Eric Blake wrote on Tue, Feb 16, 2010 at 02:22:06PM CET:
> Next question - how to learn the running script.

This has been discussed by Stefano Lattarini on automake-patches a
little while ago,
<http://thread.gmane.org/gmane.comp.sysutils.automake.patches/3729/focus=3818>

> Good: bash, dash, Solaris /bin/sh, and ksh all appear to preserve $0 into
> a sourced script.  Meanwhile, zsh botches things when invoked as zsh, but
> works when invoked as sh.  Since all of our test scripts use #!/bin/sh, if
> the script was truly started via the she-bang, we should be fine even if
> zsh is /bin/sh.  Any counter-examples out there of some other shell that
> fails to print "./f1" on the second line using this example?

I don't know of any.  If you can get zsh into 'emulate sh' mode before
the dot command, or invoke it as 'zsh -o no_function_argzero', then
things should work with it as well.

Cheers,
Ralf