Have you tried using the --do-not-upgrade flag? According to the example here:
https://www.gnu.org/software/guix/manual/en/html_node/Invoking-guix-package.html
you could try:
guix package --upgrade . --do-not-upgrade openshot
Assuming openshot really is the only package you have which needs qtwebk
> Qtwebkit takes much time, over 10 hours, compiling almost every time I run
> `guix pull && guix package -u`, every week I do it.
Same issue here, I haven't gotten any substitute for qtwebkit in a long time.
--
Pierre Neidhardt
https://ambrevar.xyz/
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