54 lines
1.7 KiB
Nix
54 lines
1.7 KiB
Nix
{ nixpkgs ? import <nixpkgs> {}, compiler ? "ghc802" }:
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let
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inherit (nixpkgs) pkgs;
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haskellPackages = if isNull compiler
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then pkgs.haskellPackages
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else pkgs.haskell.packages.${compiler};
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drv = haskellPackages.callPackage ./uniworx.nix {};
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postgresSchema = pkgs.writeText "schema.sql" ''
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CREATE USER uniworx;
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CREATE DATABASE uniworx_test;
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GRANT ALL ON DATABASE uniworx_test TO uniworx;
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CREATE DATABASE uniworx;
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GRANT ALL ON DATABASE uniworx TO uniworx;
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'';
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postgresHba = pkgs.writeText "hba_file" ''
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local all all trust
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'';
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override = oldAttrs: {
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nativeBuildInputs = oldAttrs.nativeBuildInputs ++ (with pkgs; [ postgresql ]) ++ (with haskellPackages; [ stack yesod-bin ]);
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shellHook = ''
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${oldAttrs.shellHook}
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export PROMPT_INFO="${oldAttrs.name}"
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pgDir=$(mktemp -d)
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pgSockDir=$(mktemp -d)
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pgLogFile=$(mktemp)
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pg_ctl init -D ''${pgDir}
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pg_ctl start -D ''${pgDir} -l ''${pgLogFile} -w -o "-k ''${pgSockDir} -c listen_addresses=''' -c hba_file='${postgresHba}' -c unix_socket_permissions=0700"
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export PGHOST=''${pgSockDir} PGLOG=''${pgLogFile}
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psql -f ${postgresSchema} postgres
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printf "Postgres logfile is %s\nPostgres socket directory is %s\n" ''${pgLogFile} ''${pgSockDir}
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env --unset=shellHook zsh
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ret=$?
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pg_ctl stop -D ''${pgDir}
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rm -rvf ''${pgDir} ''${pgSockDir} ''${pgLogFile}
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exit ''${ret}
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'';
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};
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dummy = pkgs.stdenv.mkDerivation {
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name = "interactive-uniworx-environment";
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shellHook = "";
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};
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in pkgs.stdenv.lib.overrideDerivation dummy override
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#pkgs.stdenv.lib.overrideDerivation drv.env override
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