Disabled by default. To enable, `not` future keyword must be present in capabilities and imported into Rego module.
Implements: #8391
Signed-off-by: Johan Fylling <johan.dev@fylling.se>
Adding string interpolation support to the Rego language.
An interpolated string is composed of a template-string that can contain zero or more template-expressions that interpolates values into the string generated at eval-time.
Requires the `template_strings` capability feature and `internal.template_string` built-in function.
Implements: #4733
to allow for using Rego v1 bundles in `opa build`/`check`/`eval`/`test`.
Before this change, a bundle with `1` as `rego_version`/`file_rego_versions` would be rejected when evaluated with the `--v0-compatible` flag with the error:
```
rego_parse_error: illegal capabilities: rego_v1 feature required for parsing v1 Rego
```
This is fixed by adding the `rego_v1` feature to the `v0` default capabilities applied when using the `--v0-compatible` flag. Note: this allows OPA to accept Rego `v1` modules inside bundles, but modules without a specified Rego version, such as freestanding non-bundle modules or modules inside bundles with no specified Rego version, are parsed as `v0`.
Signed-off-by: Johan Fylling <johan.dev@fylling.se>
And a few other small fixes in tests. This i not so much
about performance but about choosing the best tool for a
given task :) But that the alternatives are also faster
doesn't hurt either.
Signed-off-by: Anders Eknert <anders@styra.com>
There is a new command argument "capabilities". With this, it is
possible to print the current capabilities version, show all
capabilities versions & print any capabilities version, without the need
of a file. Moreover, for the other commands which use the --capabilities
flag, it is possible to give only the version number, without specifying
a file. However, there are no breaking changes for those who use the
capabilities file as an input for the flag. Unit tests were also
written, in order to test the new argument and the changes made in ast.
Fixes: #4236
Signed-off-by: IoannisMatzaris <matzarisioannis@gmail.com>
Johan Fylling