Oh, yes, I know that extensions don't really matter on Mac, but users still use them to figure out "what is this file" even if the OS doesn't.
And to an untrained eye, a renamed .iso is indistinguishable from a real .dmg because they have the same icon and they behave the same when you double click them. But your point is taken :) The .pkg idea is interesting! I'll read up more on that. Thank you! --- James On Tue, Jul 7, 2015 at 8:17 AM, <[email protected]> wrote: > MacOS X doesn't primarily rely on file extensions. Renaming an ISO to > DMG doesn't do anything. You could rename it .jpg and it'll still be an ISO > disk image. > > You pretty much have to use hdiutil on a Mac to make DMGs. You would have > better luck making a .pkg (really, the gzipped variant) that installs to > /Applications. I believe all you need to make a .pkg is gzip, cpio, and an > XML plist creator. All of which work on every platform. > > > > On Tue, Jul 7, 2015 at 7:26 AM -0700, "James Paige" < > [email protected]> wrote: > > Annd. I remembered why that wouldn't work. No compression. I feel like > TMC discovered all of this years ago, and I am just now remember what he > said and thinking that I am figuring it out myself ;P > > Would a zipped dmg be more or less confusing than a tar.gz? > > Also, is anybody even getting these mailing list posts? I never get > copies of my own, so I don't even know if the list server is working right > now. > > --- > James > > > > On Mon, Jul 6, 2015 at 3:01 PM, James Paige <[email protected]> > wrote: > > I just discovered/remembered something really nifty. > > So the reason we went with .tar.gz on Mac was because we couldn't figure > out how to create .dmg files. > > .dmg files are normally Disk images formatted as HSF+ and although tools > for formatting as HSF+ exist on Windows and Linux, we could not find any > good simple ones that we could redistribute. > > Turns out that the important thing about a .dmg file is that it is a disk > image. HFS+ happens to be the preffered format, but any format supported by > Macs should work. > > In particular, .iso works. > > I tried building a .iso image, renamed it to .dmg, and my Mac was able to > open it smoothly with no problems at all. > > Tools to generate .iso images are far more ubiquitous, so maybe we can > find one that we can redistribute and we can use it to build .dmg files > directly from the Export Games menu :) > > --- > James > > > > _______________________________________________ > Ohrrpgce mailing list > [email protected] > http://lists.motherhamster.org/listinfo.cgi/ohrrpgce-motherhamster.org > >
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