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https://github.com/privatevoid-net/nix-super.git
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d2162e7acd
As discussed in #7417, it would be good to make more string values work as installables. That is to say, if an installable refers to a value, and the value is a string, it used to not work at all, since #7484, it works somewhat, and this PR make it work some more. The new cases that are added for `BuiltPath` contexts: - Fixed input- or content-addressed derivation: ``` nix-repl> hello.out.outPath "/nix/store/jppfl2bp1zhx8sgs2mgifmsx6dv16mv2-hello-2.12" nix-repl> :p builtins.getContext hello.out.outPath { "/nix/store/c7jrxqjhdda93lhbkanqfs07x2bzazbm-hello-2.12.drv" = { outputs = [ "out" ]; }; } The string matches the specified single output of that derivation, so it should also be valid. - Floating content-addressed derivation: ``` nix-repl> (hello.overrideAttrs (_: { __contentAddressed = true; })).out.outPath "/1a08j26xqc0zm8agps8anxpjji410yvsx4pcgyn4bfan1ddkx2g0" nix-repl> :p builtins.getContext (hello.overrideAttrs (_: { __contentAddressed = true; })).out.outPath { "/nix/store/qc645pyf9wl37c6qvqzaqkwsm1gp48al-hello-2.12.drv" = { outputs = [ "out" ]; }; } ``` The string is not a path but a placeholder, however it also matches the context, and because it is a CA derivation we have no better option. This should also be valid. We may also want to think about richer attrset based values (also discussed in that issue and #6507), but this change "completes" our string-based building blocks, from which the others can be desugared into or at least described/document/taught in terms of. Progress towards #7417 Co-authored-by: Robert Hensing <roberth@users.noreply.github.com>
96 lines
2.4 KiB
Bash
96 lines
2.4 KiB
Bash
source ./common.sh
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flake1Dir=$TEST_ROOT/flake1
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flake2Dir=$TEST_ROOT/flake2
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mkdir -p $flake1Dir $flake2Dir
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writeSimpleFlake $flake2Dir
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tar cfz $TEST_ROOT/flake.tar.gz -C $TEST_ROOT flake2
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hash=$(nix hash path $flake2Dir)
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dep=$(nix store add-path ./common.sh)
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cat > $flake1Dir/flake.nix <<EOF
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{
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inputs.flake2.url = "file://$TEST_ROOT/flake.tar.gz";
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outputs = { self, flake2 }: {
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a1 = builtins.fetchTarball {
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#type = "tarball";
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url = "file://$TEST_ROOT/flake.tar.gz";
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sha256 = "$hash";
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};
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a2 = ./foo;
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a3 = ./.;
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a4 = self.outPath;
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# FIXME
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a5 = self;
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a6 = flake2.outPath;
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# FIXME
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a7 = "\${flake2}/config.nix";
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# This is only allowed in impure mode.
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a8 = builtins.storePath $dep;
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a9 = "$dep";
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drvCall = with import ./config.nix; mkDerivation {
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name = "simple";
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builder = ./simple.builder.sh;
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PATH = "";
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goodPath = path;
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};
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a10 = builtins.unsafeDiscardOutputDependency self.drvCall.drvPath;
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a11 = self.drvCall.drvPath;
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a12 = self.drvCall.outPath;
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a13 = "\${self.drvCall.drvPath}\${self.drvCall.outPath}";
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};
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}
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EOF
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cp ../simple.nix ../simple.builder.sh ../config.nix $flake1Dir/
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echo bar > $flake1Dir/foo
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nix build --json --out-link $TEST_ROOT/result $flake1Dir#a1
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[[ -e $TEST_ROOT/result/simple.nix ]]
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nix build --json --out-link $TEST_ROOT/result $flake1Dir#a2
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[[ $(cat $TEST_ROOT/result) = bar ]]
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nix build --json --out-link $TEST_ROOT/result $flake1Dir#a3
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nix build --json --out-link $TEST_ROOT/result $flake1Dir#a4
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nix build --json --out-link $TEST_ROOT/result $flake1Dir#a6
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[[ -e $TEST_ROOT/result/simple.nix ]]
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nix build --impure --json --out-link $TEST_ROOT/result $flake1Dir#a8
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diff common.sh $TEST_ROOT/result
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expectStderr 1 nix build --impure --json --out-link $TEST_ROOT/result $flake1Dir#a9 \
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| grepQuiet "has 0 entries in its context. It should only have exactly one entry"
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nix build --json --out-link $TEST_ROOT/result $flake1Dir#a10
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[[ $(readlink -e $TEST_ROOT/result) = *simple.drv ]]
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expectStderr 1 nix build --json --out-link $TEST_ROOT/result $flake1Dir#a11 \
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| grepQuiet "has a context which refers to a complete source and binary closure"
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nix build --json --out-link $TEST_ROOT/result $flake1Dir#a12
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[[ -e $TEST_ROOT/result/hello ]]
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expectStderr 1 nix build --impure --json --out-link $TEST_ROOT/result $flake1Dir#a13 \
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| grepQuiet "has 2 entries in its context. It should only have exactly one entry"
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