status-mobile/nix/nix.conf
Jakub Sokołowski de7ce0493b
nix: optimize garbage collection
In order to prevent `nix-store --gc` from removing too much I've:

- Added the `keep-outputs = true` setting to `nix/nix.conf`
- Fixed `nix/scripts/gcroots.sh` to make symlinks in `/nix/var/nix/gcroots`
- Made `nix/scripts/build.sh` and `nix/scripts/shell.sh` use it

This way when running `make nix-gc` most recently used shells and built
derivations won't be removed along with their dependencies.

Signed-off-by: Jakub Sokołowski <jakub@status.im>
2020-06-22 16:34:27 +02:00

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# NOTE: If you are in Asia you might want to add https://nix-cache-cn.status.im/ to extra-substituters
extra-substituters = https://nix-cache.status.im/
substituters = https://cache.nixos.org/
trusted-public-keys = nix-cache.status.im-1:x/93lOfLU+duPplwMSBR+OlY4+mo+dCN7n0mr4oPwgY= cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY= nix-cache-cn.status.im:WUiOoTQQurm+rEL/yuAuU/a3TViDtMM9DCMgMx/KkOw=
# Some downloads are multiple GB, default is 5 minutes
stalled-download-timeout = 600
connect-timeout = 10
max-jobs = auto
# Helps avoid removing currently used dependencies via garbage collection
keep-derivations = true
keep-outputs = true