27 lines
798 B
Nix
27 lines
798 B
Nix
# modified from https://github.com/gytis-ivaskevicius/flake-utils/plus
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{
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coreutils,
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gnused,
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writeShellScriptBin,
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...
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}: let
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repl = ./repl.nix;
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example = command: desc: ''\n\u001b[33m ${command}\u001b[0m - ${desc}'';
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in
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writeShellScriptBin "repl" ''
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case "$1" in
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"-h"|"--help"|"help")
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printf "%b\n\e[4mUsage\e[0m: \
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${example "repl" "Loads system flake if available."} \
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${example "repl /path/to/flake.nix" "Loads specified flake."}\n"
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;;
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*)
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if [ -z "$1" ]; then
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nix repl --arg flakePath $(${coreutils}/bin/readlink -f "/etc/nixos") --file ${repl}
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else
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nix repl --arg flakePath $(${coreutils}/bin/readlink -f $1 | ${gnused}/bin/sed 's|/flake.nix||') --file ${repl}
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fi
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;;
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esac
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''
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