Copy-on-write for develop

Sat Jan 5 16:38:55 EST 2008

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Jameson "Chema" Quinn wrote:
> Does anyone know if it is possible for Sugar to support something like
> this? That is, if it there's any way - either file-system-native or
> through some strap-on - to safely hand a link to a process so that
> (either magically or manually) it can replace the link with a local copy
> if needed, but it CANNOT modify the original file?

In the interest of simplicity, why not just use UNIX permissions and simple
editor logic?

The activity's files are all read-only to non-root.  Just read them into the
editor.  If the user makes a change, save it as a new file, with appropriate
permissions.

- --Ben
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