bug#63868: [reconfigure, shepherd] error: remove: unbound variable

[Attila Lendvai]

close 63868
stop


TL;DR HEAD of master doesn't exhibit this anymore, it works fine.


> Weird. Are there any hints in /var/log/messages?


nothing sticks out to me.

i saw it on another machine since then, similar config. i had more opportunity 
to experiment there, and the first commit where the error shows up is this one:

services: Error in MODIFY-SERVICES when services don't exist
https://git.savannah.gnu.org/cgit/guix.git/commit/?id=dbbc7e946131ba257728f1d05b96c4339b7ee88b

one commit prior in the history works fine: 
ae707b62e71b1fae054eb422412384bcc8d39fa9

i've tried to play around with different commits, and also reverting this one 
on top of other commits, but it took too long to recompile stuff locally... and 
meanwhile some changes in master eliminated this issue, so this is all kinda 
moot now.

but i have double checked, and the above commit is the one that consistently 
leads to this error for me.

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