bug#65720: Guile-Git-managed checkouts grow way too much

[Ludovic Courtès]

Ludovic Courtès <ludo@gnu.org> skribis:

> $ du -hs 
> ~/.cache/guix/checkouts/pjmkglp4t7znuugeurpurzikxq3tnlaywmisyr27shj7apsnalwq
> 6.7G    
> /home/ludo/.cache/guix/checkouts/pjmkglp4t7znuugeurpurzikxq3tnlaywmisyr27shj7apsnalwq

Another data point, with Cuirass instances:

--8<---------------cut here---------------start------------->8---
ludo@berlin ~$ sudo du -hs 
/var/lib/cuirass/.cache/guix/checkouts/pjmkglp4t7znuugeurpurzikxq3tnlaywmisyr27shj7apsnalwq
65G     
/var/lib/cuirass/.cache/guix/checkouts/pjmkglp4t7znuugeurpurzikxq3tnlaywmisyr27shj7apsnalwq
ludo@berlin ~$ sudo stat 
/var/lib/cuirass/.cache/guix/checkouts/pjmkglp4t7znuugeurpurzikxq3tnlaywmisyr27shj7apsnalwq
 | tail -1
 Birth: 2022-07-30 23:15:45.582559879 +0200
--8<---------------cut here---------------end--------------->8---

… and:

--8<---------------cut here---------------start------------->8---
ludo@guix-hpc4 ~$ sudo du -hs 
/var/lib/cuirass/.cache/guix/checkouts/pjmkglp4t7znuugeurpurzikxq3tnlaywmisyr27shj7apsnalwq
86G     
/var/lib/cuirass/.cache/guix/checkouts/pjmkglp4t7znuugeurpurzikxq3tnlaywmisyr27shj7apsnalwq
ludo@guix-hpc4 ~$ sudo stat 
/var/lib/cuirass/.cache/guix/checkouts/pjmkglp4t7znuugeurpurzikxq3tnlaywmisyr27shj7apsnalwq
 | tail -1
  Créé : 2021-06-01 11:48:48.854669310 +0200
--8<---------------cut here---------------end--------------->8---

So yeah, problem we have.

Ludo’.