| load("//osbase/build/fsspec:def.bzl", "FSSpecInfo", "fsspec_core_impl") |
| |
| def _erofs_image_impl(ctx): |
| fs_name = ctx.label.name + ".img" |
| fs_out = ctx.actions.declare_file(fs_name) |
| |
| fsspec_core_impl(ctx, ctx.executable._mkerofs, fs_out) |
| |
| return [DefaultInfo(files = depset([fs_out]))] |
| |
| erofs_image = rule( |
| implementation = _erofs_image_impl, |
| doc = """ |
| Build an EROFS. All files specified in files and all specified symlinks will be contained. |
| Executable files will have their permissions set to 0555, non-executable files will have |
| their permissions set to 0444. All parent directories will be created with 0555 permissions. |
| """, |
| attrs = { |
| "files": attr.string_keyed_label_dict( |
| mandatory = True, |
| allow_files = True, |
| doc = """ |
| Dictionary of Labels to String, placing a given Label's output file in the EROFS at the location |
| specified by the String value. The specified labels must only have a single output. |
| """, |
| ), |
| "symlinks": attr.string_dict( |
| default = {}, |
| doc = """ |
| Symbolic links to create. Similar format as in `files`, so the key is the location of the |
| symlink itself and the value of it is target of the symlink. Only raw strings are allowed as targets, |
| labels are not permitted. Include the file using `files`, then symlink to its location. |
| """, |
| ), |
| "fsspecs": attr.label_list( |
| default = [], |
| doc = """ |
| List of file system specs (osbase.build.fsspec.FSSpec) to also include in the resulting image. |
| These will be merged with all other given attributes. |
| """, |
| providers = [FSSpecInfo], |
| allow_files = True, |
| ), |
| |
| # Tools, implicit dependencies. |
| "_mkerofs": attr.label( |
| default = Label("//osbase/build/mkerofs"), |
| executable = True, |
| cfg = "exec", |
| ), |
| }, |
| ) |