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f7ef27a982
`makeWrapper` is often used in these with `source "${makeWrapper}/nix-support/setup-hook"`
which causes `error: makeWrapper/makeShellWrapper must be in nativeBuildInputs` on cross.
54 lines
1.4 KiB
Nix
54 lines
1.4 KiB
Nix
{ lib, callPackage, runCommandLocal, writeScript, stdenv, coreutils }:
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let buildFHSEnv = callPackage ./env.nix { }; in
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args@{ name, version ? null, runScript ? "bash", nativeBuildInputs ? [], extraInstallCommands ? "", meta ? {}, passthru ? {}, ... }:
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let
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env = buildFHSEnv (removeAttrs args [ "version" "runScript" "extraInstallCommands" "meta" "passthru" ]);
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chrootenv = callPackage ./chrootenv {};
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init = run: writeScript "${name}-init" ''
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#! ${stdenv.shell}
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for i in ${env}/* /host/*; do
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path="/''${i##*/}"
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[ -e "$path" ] || ${coreutils}/bin/ln -s "$i" "$path"
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done
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[ -d "$1" ] && [ -r "$1" ] && cd "$1"
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shift
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source /etc/profile
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exec ${run} "$@"
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'';
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versionStr = lib.optionalString (version != null) ("-" + version);
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nameAndVersion = name + versionStr;
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in runCommandLocal nameAndVersion {
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inherit nativeBuildInputs meta;
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passthru = passthru // {
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env = runCommandLocal "${name}-shell-env" {
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shellHook = ''
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exec ${chrootenv}/bin/chrootenv ${init runScript} "$(pwd)"
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'';
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} ''
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echo >&2 ""
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echo >&2 "*** User chroot 'env' attributes are intended for interactive nix-shell sessions, not for building! ***"
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echo >&2 ""
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exit 1
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'';
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};
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} ''
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mkdir -p $out/bin
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cat <<EOF >$out/bin/${name}
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#! ${stdenv.shell}
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exec ${chrootenv}/bin/chrootenv ${init runScript} "\$(pwd)" "\$@"
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EOF
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chmod +x $out/bin/${name}
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${extraInstallCommands}
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''
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