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need any info on substitutable paths, we just call the substituters (such as download-using-manifests.pl) directly. This means that it's no longer necessary for nix-pull to register substitutes or for nix-channel to clear them, which makes those operations much faster (NIX-95). Also, we don't have to worry about keeping nix-pull manifests (in /nix/var/nix/manifests) and the database in sync with each other. The downside is that there is some overhead in calling an external program to get the substitutes info. For instance, "nix-env -qas" takes a bit longer. Abolishing the substitutes table also makes the logic in local-store.cc simpler, as we don't need to store info for invalid paths. On the downside, you cannot do things like "nix-store -qR" on a substitutable but invalid path (but nobody did that anyway). * Never catch interrupts (the Interrupted exception). |
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|---|---|---|
| .. | ||
| maintenance | ||
| copying-collector.pl | ||
| download-using-manifests.pl.in | ||
| find-runtime-roots.pl.in | ||
| generate-patches.pl.in | ||
| Makefile.am | ||
| nix-build.in | ||
| nix-channel.in | ||
| nix-collect-garbage.in | ||
| nix-copy-closure.in | ||
| nix-install-package.in | ||
| nix-pack-closure.in | ||
| nix-prefetch-url.in | ||
| nix-profile.sh.in | ||
| nix-pull.in | ||
| nix-push.in | ||
| nix-unpack-closure.in | ||
| optimise-store.pl | ||
| readconfig.pm.in | ||
| readmanifest.pm.in | ||
| remove-patches.pl | ||
| show-duplication.pl | ||
| update-manifest.pl | ||