diff options
Diffstat (limited to 'rules/utils.bzl')
| -rw-r--r-- | rules/utils.bzl | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/rules/utils.bzl b/rules/utils.bzl index 76a0fd2..d796371 100644 --- a/rules/utils.bzl +++ b/rules/utils.bzl @@ -195,6 +195,14 @@ def _only(collection): _error("Expected one element, has %s." % len(collection)) return _first(collection) +def _list_or_depset_to_list(list_or_depset): + if type(list_or_depset) == "list": + return list_or_depset + elif type(list_or_depset) == "depset": + return list_or_depset.to_list() + else: + return _error("Expected a list or a depset. Got %s" % type(list_or_depset)) + def _copy_file(ctx, src, dest): if src.is_directory or dest.is_directory: fail("Cannot use copy_file with directories") @@ -278,6 +286,12 @@ def _expand_make_vars(ctx, vals): res[k] = _expand_var(ctx.var, v) return res +def _dedupe_split_attr(attr): + if not attr: + return [] + arch = _first(sorted(attr.keys())) + return attr[arch] + def _get_runfiles(ctx, attrs): runfiles = ctx.runfiles() for attr in attrs: @@ -430,6 +444,7 @@ utils = struct( copy_dir = _copy_dir, expand_make_vars = _expand_make_vars, first = _first, + dedupe_split_attr = _dedupe_split_attr, get_runfiles = _get_runfiles, join_depsets = _join_depsets, only = _only, @@ -437,6 +452,7 @@ utils = struct( sanitize_string = _sanitize_string, sanitize_java_package = _sanitize_java_package, hex = _hex, + list_or_depset_to_list = _list_or_depset_to_list, ) log = struct( |