(address . bug-guix@gnu.org)
Here's what's happening in a guix repl:
```
(guix-user)> ,use (guix scripts build)
(guix-user)> ,trace (guix-build "hello") ; doesn't output any trace for some reason
```
And here'the same for a guile repl:
```
(guile-user)> ,use (guix scripts build)
(guile-user)> ,trace (guix-build "hello") ; however it does work
trace: | (guix-build "hello")
trace: | | (_ (guix scripts) #:ensure #f)
trace: | | (_ #<procedure 7ff4802c5000 at ice-9/boot-9.scm:3241:7 ()>)
trace: | | | (lock-mutex #<mutex 7ff487d01fc0>)
...
```
This was observed during a working group on profiling during the Guix Days.
--
Adriel
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