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Diffstat (limited to 'Nix stdenv.md')
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diff --git a/Nix stdenv.md b/Nix stdenv.md new file mode 100644 index 0000000..69ef515 --- /dev/null +++ b/Nix stdenv.md @@ -0,0 +1,51 @@ +--- +tags: + - nix +--- +Is itself a derivation containing a file `setup`. It is basically a builder. + +Exposed by nixpkgs so we can call it from nix: +https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/make-derivation.nix + +Runs in phases: +- unpackPhase +- configurePhase +- buildPhase +- checkPhase +- installPhase +- fixupPhase + +```console +nix-build '<nixpkgs>' -A stdenv +/nix/store/k4jklkcag4zq4xkqhkpy156mgfm34ipn-stdenv +``` + +```console +ls -R result/ +result/: +nix-support/ setup + +result/nix-support: +propagated-user-env-packages +``` + +```console +nix-store -q --references result +/nix/store/3a45nb37s0ndljp68228snsqr3qsyp96-bzip2-1.0.6 +/nix/store/a457ywa1haa0sgr9g7a1pgldrg3s798d-coreutils-8.24 +/nix/store/zmd4jk4db5lgxb8l93mhkvr3x92g2sx2-bash-4.3-p39 +/nix/store/47sfpm2qclpqvrzijizimk4md1739b1b-gcc-wrapper-4.9.3 +... +``` + +```console +head result/setup +export SHELL=/nix/store/zmd4jk4db5lgxb8l93mhkvr3x92g2sx2-bash-4.3-p39/bin/bash +initialPath="/nix/store/a457ywa1haa0sgr9g7a1pgldrg3s798d-coreutils-8.24 ..." +defaultNativeBuildInputs="/nix/store/sgwq15xg00xnm435gjicspm048rqg9y6-patchelf-0.8 ..." +``` + + +--- +https://nixos.org/guides/nix-pills/19-fundamentals-of-stdenv.html +https://nixos.org/manual/nixpkgs/stable/#chap-stdenv
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