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c4be15a83b
The previous one was very bad and worsened the situation. But even running with some nix-1.12 I'm unable to reproduce the original failure. Let's unblock channels for now.
59 lines
1.5 KiB
Nix
59 lines
1.5 KiB
Nix
# This derivation builds two files containing information about the
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# closure of 'rootPaths': $out/store-paths contains the paths in the
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# closure, and $out/registration contains a file suitable for use with
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# "nix-store --load-db" and "nix-store --register-validity
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# --hash-given".
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{ stdenv, coreutils, jq, perl, pathsFromGraph }:
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{ rootPaths }:
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#if builtins.langVersion >= 5 then
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# FIXME: it doesn't work on Hydra, failing to find mkdir;
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# perhaps .attrs.sh clobbers PATH with new nix?
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if false then
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# Nix >= 1.12: Include NAR hash / size info.
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stdenv.mkDerivation {
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name = "closure-info";
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__structuredAttrs = true;
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exportReferencesGraph.closure = rootPaths;
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PATH = "${coreutils}/bin:${jq}/bin";
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builder = builtins.toFile "builder"
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''
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if [ -e .attrs.sh ]; then . .attrs.sh; fi
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out=''${outputs[out]}
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mkdir $out
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jq -r '.closure | map([.path, .narHash, .narSize, "", (.references | length)] + .references) | add | map("\(.)\n") | add' < .attrs.json | head -n -1 > $out/registration
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jq -r .closure[].path < .attrs.json > $out/store-paths
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'';
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}
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else
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# Nix < 1.12
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stdenv.mkDerivation {
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name = "closure-info";
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exportReferencesGraph =
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map (x: [("closure-" + baseNameOf x) x]) rootPaths;
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buildInputs = [ perl ];
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buildCommand =
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''
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mkdir $out
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printRegistration=1 perl ${pathsFromGraph} closure-* > $out/registration
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perl ${pathsFromGraph} closure-* > $out/store-paths
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'';
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}
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