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lib/make-wrapper: add support for creating command aliases
Adds 'aliases' parameter to create additional symlinks to wrapped executables.
This allows tools to be accessible under multiple names.
author
lassulus
date
(Jun 30, 2025, 3:21 PM CEST)
commit
ee800c33
ee800c33650956367d37c6deb4a271300bf41d2f
parent
49545a41
49545a4183b873bb8d57f29ea634ae44f80f8fd8
+21
-2
+21
-2
lib/make-wrapper.nix
+21
-2
lib/make-wrapper.nix
···
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- `flagSeparator`: Separator between flag names and values (optional, defaults to " ")
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- `preHook`: Shell script to run before executing the command (optional)
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- `passthru`: Attribute set to pass through to the wrapped derivation (optional)
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- `aliases`: List of additional names to symlink to the wrapped executable (optional)
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- `wrapper`: Custom wrapper function (optional, defaults to exec'ing the original binary with flags)
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- Called with { env, flags, envString, flagsString, exePath, preHook }
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···
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flagSeparator ? " ", # " " for "--flag value" or "=" for "--flag=value"
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preHook ? "",
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passthru ? { },
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aliases ? [ ],
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wrapper ? (
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{
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exePath,
···
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originalOutputs ? { },
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passthru ? { },
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meta ? { },
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aliases ? [ ],
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binName ? null,
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...
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}@args:
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pkgs.stdenv.mkDerivation (
···
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for path in ${lib.concatStringsSep " " (map toString paths)}; do
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${pkgs.lndir}/bin/lndir -silent "$path" $out
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done
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# Create symlinks for aliases
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${lib.optionalString (aliases != [ ] && binName != null) ''
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mkdir -p $out/bin
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for alias in ${lib.concatStringsSep " " (map lib.escapeShellArg aliases)}; do
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ln -sf ${lib.escapeShellArg binName} $out/bin/$alias
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done
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''}
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# Handle additional outputs by symlinking from the original package's outputs
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${lib.concatMapStringsSep "\n" (
···
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"originalOutputs"
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"passthru"
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"meta"
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"aliases"
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"binName"
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])
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);
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···
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package
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];
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outputs = if package ? outputs then package.outputs else [ "out" ];
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inherit originalOutputs;
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inherit originalOutputs aliases binName;
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passthru =
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(package.passthru or { })
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// passthru
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// {
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inherit env flags preHook;
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inherit
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env
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flags
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+
preHook
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aliases
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;
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};
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# Pass through original attributes
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meta = package.meta or { };