nix: Parse --file relative to shebang script

This commit is contained in:
Robert Hensing 2023-05-12 19:56:04 +02:00 committed by tomberek
parent 198bc22e3b
commit 466271568b
3 changed files with 24 additions and 3 deletions

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@ -4,7 +4,7 @@
contents of any `#! nix` lines and the script's location to a single call.
Verbatim strings may be passed in double backtick (```` `` ````) quotes.
`--expr` resolves relative paths based on the shebang script location.
`--file` and `--expr` resolve relative paths based on the script location.
Some examples:
```

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@ -442,8 +442,9 @@ Installables SourceExprCommand::parseInstallables(
auto e = state->parseStdin();
state->eval(e, *vFile);
}
else if (file)
state->evalFile(lookupFileArg(*state, *file), *vFile);
else if (file) {
state->evalFile(lookupFileArg(*state, *file, CanonPath::fromCwd(getCommandBaseDir())), *vFile);
}
else {
CanonPath dir(CanonPath::fromCwd(getCommandBaseDir()));
auto e = state->parseExprFromString(*expr, state->rootPath(dir));

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@ -123,6 +123,25 @@ echo "$@"
EOF
chmod +x $nonFlakeDir/shebang-inline-expr.sh
cat > $nonFlakeDir/fooScript.nix <<"EOF"
let flake = (builtins.getFlake (toString ../flake1)).packages;
fooScript = flake.${builtins.currentSystem}.fooScript;
in fooScript
EOF
cat > $nonFlakeDir/shebang-file.sh <<EOF
#! $(type -P env) nix
EOF
cat >> $nonFlakeDir/shebang-file.sh <<"EOF"
#! nix --offline shell
#! nix --impure --file ./fooScript.nix
#! nix --no-write-lock-file --command bash
set -ex
foo
echo "$@"
EOF
chmod +x $nonFlakeDir/shebang-file.sh
# Construct a custom registry, additionally test the --registry flag
nix registry add --registry "$registry" flake1 "git+file://$flake1Dir"
nix registry add --registry "$registry" flake2 "git+file://$percentEncodedFlake2Dir"
@ -571,4 +590,5 @@ expectStderr 1 nix flake metadata "$flake2Dir" --no-allow-dirty --reference-lock
[[ $($nonFlakeDir/shebang.sh "bar") = "foo"$'\n'"bar" ]]
[[ $($nonFlakeDir/shebang-comments.sh ) = "foo" ]]
[[ $($nonFlakeDir/shebang-inline-expr.sh baz) = "foo"$'\n'"baz" ]]
[[ $($nonFlakeDir/shebang-file.sh baz) = "foo"$'\n'"baz" ]]
expect 1 $nonFlakeDir/shebang-reject.sh 2>&1 | grepQuiet -F 'error: unsupported unquoted character in nix shebang: *. Use double backticks to escape?'