v0.5.0

BASE-IMAGE boots on RPI4

• Tasks replace build steps — build = [...] replaced by tasks = [...]
  with named build phases. Each task has run (shell string), fn (Starlark
  function), or steps (mixed list). Classes (autotools, cmake, go) are now
  pure Starlark.
• run() builtin — Starlark functions can execute shell commands directly
  during builds. Errors show .star file and line number, not generated shell.
  run(cmd, check=False) returns exit code/stdout/stderr for conditional logic.
  run(cmd, privileged=True) runs directly in the container as root for
  operations like losetup/mount that bwrap can't do.
• Unit scope — units declare scope = "machine", "noarch", or "arch"
  (default). Machine-scoped units (kernels, images) build per-machine. Build
  directories are flat: build/<name>.<scope>/. Repo is flat with scope in
  filenames: repo/<name>-<ver>-r0.<scope>.apk.
• Machine-portable images — images no longer hard-code machine-specific
  packages or partitions. MACHINE_CONFIG and PROVIDES inject machine
  hardware specifics automatically. base-image works across QEMU x86, QEMU
  arm64, and Raspberry Pi without changes.
• PROVIDES virtual packages — units and kernels declare provides to
  fulfill virtual names. provides = "linux" on linux-rpi4 means images that
  list "linux" get the RPi kernel when building for raspberrypi4.
• Image assembly in Starlark — disk image creation moved from Go to
  classes/image.star using run(). Fully readable, customizable, forkable.
• Raspberry Pi BSP module (units-rpi) — machine definitions, kernel fork
  units, GPU firmware, and boot config for Raspberry Pi 4 and 5.
• Runtime dependency resolution — image assembly now resolves transitive
  runtime dependencies automatically. RUNTIME_DEPS predeclared variable
  available after unit evaluation. Three-phase loader: machines → units →
  images.
• Layers renamed to modules — layer() → module(), LAYER.star →
  MODULE.star, yoe layer → yoe module, layers/ → modules/. Aligns
  terminology with Go modules model used for dependency resolution.

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To update, run: yoe update
Or download the binary for your architecture and place it in your PATH.