portindex ignores (filters out) unchanged port

[Rainer Müller]

On 2015-12-29 00:10, René J.V. Bertin wrote:
> The Portfiles *are* scanned if and when they have to be (re)indexed;
> without that there would be no support for subports, and using a
> different portdir name would be *impossible* rather than discouraged
> (or forbidden if you prefer).

No, the Tcl interpreter is only run on the Portfile if the mtime of the
Portfile is newer than the mtime of the existing PortIndex. Just look at
the portindex source:

https://trac.macports.org/browser/trunk/base/src/port/portindex.tcl?rev=140488#L100

Rainer