I put together an example package that generates a bash script:
# default.nix
with import <nixpkgs> {};
stdenv.mkDerivation {
name = "varSubTest";
src = ./.;
inherit R; rByAnotherName = R;
builder = ./builder.sh;
}
# builder.sh
#!/usr/bin/env bash
source $stdenv/setup
mkdir -p $out/bin
substituteAll $src/varSubTest.sh $out/bin/varSubTest
chmod +x $out/bin/varSubTest
# varSubTest.sh
#!/usr/bin/env bash
echo "R is substituted with @R@"
echo "rByAnotherName is substituted with @rByAnotherName@"
If you run `nix-build && ./result/bin/varSubTest`, you'll see that @R@ is
skipped.
Is there a restriction that single uppercase letters can't be used as variable
names?
Jeff
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