Your bug report

#73454: mix-build-system does not support git-version output

which was filed against the guix package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 73454@debbugs.gnu.org.

-- 
73454: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=73454
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