[tex-k] epstopdf not usable in Git Bash for Windows

[Karl Berry]

Hi Pablo,

    In simple terms, `cygwin` and `Git-bash` (msys) should be treated in
    the same way using ":" as a separator in the PATH.

Are you sure? I would have surmised that I was previously advised not do
this for msys, because of the current $on_windows regexp you found.

What if people are using msys without "git bash"? Is that possible? Does
it make sense? And per Siep's message, it seems all of these things can
be configured in different ways. We don't want to fix one group of users
and break another.

In any case, I need a patch. I can't guess what myriad combination of
conditionals is correct for all these Unix emulators under Windows.

    Now let's look at a second issue related to `--restricted` option

With --restricted, the kpsewhich path is hardwired to the TL location,
as I previously explained:
https://tug.org/pipermail/tex-k/2024-March/004034.html

This should probably be changed to look along PATH first and only fall
back to the TL paths. But I need a patch for this too. --thanks, karl.