MacPorts 2.11.0: oddly named workdirs

[Joshua Root]

On 14/7/2025 19:22, Chris Jones via macports-dev wrote:
> Hi,
> 
> On 14/07/2025 9:32 am, Sergey Fedorov wrote:
>> It is not a bug, but a feature? Workdirs are no longer named after 
>> ports, but start with a few letters of a ports name, followed by 
>> random characters.

Yes. <https://trac.macports.org/ticket/70539>

> Yeah, I've noticed this and I have found it interferes with the use of 
> ccache when building ports. I have enabled this for all my port builds, 
> as I am often working on large ports (LLVM) and it *really* helps with 
> rebuilds. However, this new feature seems to result in the build dir 
> being different each rebuild, due to the random characters, and this of 
> course renders the ccache invalid and useless.

Are we not setting CCACHE_BASEDIR?

> How is this random string created, and why does it change whenever I 
> make small portfile changes ?

<https://github.com/macports/macports-base/blob/v2.11.1/src/port1.0/portutil.tcl#L1732>

> Is there a way to disable this random string and go back to something 
> similar to before, particularly when the use of ccache is enabled ?
The traditional work path still exists as a symlink to the shortened one.

- Josh