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Allow configuring the stdenv for devShell
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366733be87
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@ -368,6 +368,9 @@ access packages.
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attribute set mapping variables to values. It can optionally be a function to
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such an attribute set in order to access packages.
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`devShell.stdenv` allows changing the stdenv used for the shell. It is a
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function that takes the package set and returns the stdenv to use.
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For example, these can be configured as follows:
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```nix
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@ -386,6 +389,7 @@ For example, these can be configured as follows:
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'';
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# Set an environment var. `env` can be an be a function
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env.TEST_VAR = "test value";
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stdenv = pkgs: pkgs.clangStdenv;
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};
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};
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}
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@ -35,6 +35,11 @@ in
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(optFunctionTo (lazyAttrsOf str));
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default = null;
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};
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stdenv = mkOption {
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type = nullOr (functionTo package);
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default = null;
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};
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};
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devShells = mkOption {
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@ -45,19 +50,22 @@ in
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config = mkMerge [
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(mkIf (any (x: x != null) (attrValues config.devShell)) {
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devShells.default = mkDefault ({ pkgs, mkShell }: mkShell (
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optionalAttrs (config.devShell.env != null)
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(config.devShell.env pkgs)
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// optionalAttrs (config.devShell.inputsFrom != null) {
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inputsFrom = config.devShell.inputsFrom pkgs;
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}
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// optionalAttrs (config.devShell.packages != null) {
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packages = config.devShell.packages pkgs;
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}
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// optionalAttrs (config.devShell.shellHook != null) {
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shellHook = config.devShell.shellHook pkgs;
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}
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));
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devShells.default = mkDefault ({ pkgs, mkShell }: mkShell.override
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(if config.devShell.stdenv == null then { }
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else { stdenv = config.devShell.stdenv pkgs; })
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(
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optionalAttrs (config.devShell.env != null)
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(config.devShell.env pkgs)
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// optionalAttrs (config.devShell.inputsFrom != null) {
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inputsFrom = config.devShell.inputsFrom pkgs;
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}
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// optionalAttrs (config.devShell.packages != null) {
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packages = config.devShell.packages pkgs;
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}
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// optionalAttrs (config.devShell.shellHook != null) {
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shellHook = config.devShell.shellHook pkgs;
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}
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));
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})
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(mkIf (config.devShells != { }) {
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@ -284,6 +284,7 @@ in
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echo Welcome to example shell!
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'';
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env.TEST_VAR = "test value";
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stdenv = pkgs: pkgs.clangStdenv;
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};
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})
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(f: lib.isDerivation f.devShells.x86_64-linux.default);
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