rattler-build doesn't include license if it's symlinked

[pavelzw]

package:
  name: magika-cli
  version: "1.1.0"

source:
  url: https://github.com/google/magika/archive/refs/tags/cli/v1.1.0.tar.gz
  sha256: 87fd85f33d2c644d657de024b83cdc36bbdcf4a2961be5e93fe74e081477076c

about:
  license_file:
    - rust/cli/LICENSE

❯ rattler-build build -r recipe/
 Processing recipe at path: /Users/pavel/projects/feedstocks/magika-cli-feedstock/recipe/recipe.yaml

 ╭─ Finding outputs from recipe
 │ Found 1 variants
 │
 │ Build variant: magika-cli-1.1.0-h60d57d3_0
 │
 │ ╭─────────────────┬─────────────╮
 │ │ Variant         ┆ Version     │
 │ ╞═════════════════╪═════════════╡
 │ │ target_platform ┆ "osx-arm64" │
 │ ╰─────────────────┴─────────────╯
 │
 ╰─────────────────── (took 0 seconds)
 Starting build of 1 outputs

 ╭─ Running build for recipe: magika-cli-1.1.0-h60d57d3_0
 │
 │ ╭─ Fetching source code
 │ │ Fetching source from url: https://github.com/google/magika/archive/refs/tags/cli/v1.1.0.tar.gz
 │ │ Found extracted source in cache: /Users/pavel/projects/feedstocks/magika-cli-feedstock/output/src_cache/1ef4c7976aa54f65_extracted
 │ │ Copying source from cache: /Users/pavel/projects/feedstocks/magika-cli-feedstock/output/src_cache/1ef4c7976aa54f65_extracted to /Users/pavel/project
 │ │ s/feedstocks/magika-cli-feedstock/output/bld/rattler-build_magika-cli_1782126931/work
 │ │
 │ ╰─────────────────── (took 0 seconds)
 │
 │ Finalized run dependencies: this output has no run dependencies
 │
 │ ╭─ Installing build environment
 │ │ ✔ Successfully updated the build environment
 │ │
 │ ╰─────────────────── (took 0 seconds)
 │
 │ ╭─ Installing host environment
 │ │ ✔ Successfully updated the host environment
 │ │
 │ ╰─────────────────── (took 0 seconds)
 │
 │ ╭─ Packaging new files
 │ │ Copying done!
 │ │ Post-processing done!
 │ │ Writing test files
 │ │ Writing metadata for package
 │ │ Copying license files
 │ │ Copying recipe files
 │ │
 │ │ Files in package:
 │ │   ├─ info/about.json (69 B)
 │ │   ├─ info/hash_input.json (32 B)
 │ │   ├─ info/index.json (206 B)
 │ │   ├─ info/licenses/rust/cli/LICENSE -> ../../LICENSE
 │ │   ├─ info/paths.json (39 B)
 │ │   ├─ info/recipe/recipe.yaml (254 B)
 │ │   ├─ info/recipe/rendered_recipe.yaml (1.97 KiB)
 │ │   ├─ info/recipe/variant_config.yaml (27 B)
 │ │   └─ info/tests/tests.yaml (3 B)
 │ │
 │ │ Package statistics: 9 files (0 content, 9 metadata), total size: 2.59 KiB
 │ │ Creating target folder '/Users/pavel/projects/feedstocks/magika-cli-feedstock/output/osx-arm64'
 │ │ Compressing archive...
 │ │ Archive written to '/Users/pavel/projects/feedstocks/magika-cli-feedstock/output/osx-arm64/magika-cli-1.1.0-h60d57d3_0.conda'
 │ │
 │ ╰─────────────────── (took 0 seconds)
 │
 ╰─────────────────── (took 0 seconds)
 Collecting tests from '/var/folders/rz/q1r4tv0n6ll38q18fbk419mc0000gn/T/.tmpKU6DzQ/magika-cli-1.1.0-h60d57d3_0'
 ✔ all tests passed!

 ╭─ Build summary
 │
 │ ╭─ Build summary for recipe: magika-cli-1.1.0-h60d57d3_0
 │ │ Variant configuration (hash: h60d57d3_0):
 │ │ ╭─────────────────┬─────────────╮
 │ │ │ target_platform ┆ "osx-arm64" │
 │ │ ╰─────────────────┴─────────────╯
 │ │
 │ │ Artifact: /Users/pavel/projects/feedstocks/magika-cli-feedstock/output/osx-arm64/magika-cli-1.1.0-h60d57d3_0.conda (1.72 KiB)
 │ │
 │ ╰─────────────────── (took 0 seconds)
 │
 ╰─────────────────── (took 0 seconds)

rattler-build only includes the symlink but not the license. this probably might make sense from a security standpoint (at least don't resolve symlinks outside of the source directory) but is still unintentional probably. how about rattler-build instead throws an error in those cases?