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# Copyright (c) 2017, the Dart project authors. Please see the AUTHORS file
# for details. All rights reserved. Use of this source code is governed by a
# BSD-style license that can be found in the LICENSE file.
_dart_root = rebase_path("../..")
# copy_tree() copies a directory tree rooted at `source` to `dest`, which should
# be somewhere under $root_out_dir.
#
# When dest is a subdirectory of the dest of a different copy_tree() target,
# the target whose dest is the subdirectory should include the target whose
# dest is the parent directory in its "deps" list. This prevents races on
# directory creation that could happen if the two targets were executed
# concurrently.
#
# Optional parameters:
# exclude - A comma separated list that is passed to shutil.ignore_patterns()
# in tools/copy_tree.py.
template("copy_tree") {
assert(defined(invoker.source), "copy_tree must define 'source'")
assert(defined(invoker.dest), "copy_tree must define 'dest'")
source = invoker.source
dest = invoker.dest
action(target_name) {
if (defined(invoker.visibility)) {
visibility = invoker.visibility
}
deps = []
if (defined(invoker.deps)) {
deps += invoker.deps
}
depfile = "$target_gen_dir/$target_name.d"
stampfile = "$target_gen_dir/$target_name.stamp"
common_args = [
"--from",
rebase_path(source),
"--to",
rebase_path(dest),
"--depfile",
rebase_path(depfile),
"--stamp",
rebase_path(stampfile),
]
if (defined(invoker.exclude)) {
common_args += [
"--exclude",
invoker.exclude,
]
}
outputs = [ stampfile ]
script = "$_dart_root/tools/copy_tree.py"
args = common_args
}
}
# DEPRECATED: This can be removed after the uses in the flutter/engine tree
# are migrated to use copy_tree().
template("copy_trees") {
assert(defined(invoker.sources), "$target_name must define 'source'")
sources = invoker.sources
copy_tree_source_paths = []
foreach(copy_tree_spec, sources) {
copy_tree_source_paths += [
rebase_path(copy_tree_spec.source),
copy_tree_spec.ignore_patterns,
]
}
# A list of lists of input source files for copy_tree.
foreach(copy_tree_spec, sources) {
copy_tree(copy_tree_spec.target) {
visibility = copy_tree_spec.visibility
source = copy_tree_spec.source
dest = copy_tree_spec.dest
if (defined(copy_tree_spec.deps)) {
deps = copy_tree_spec.deps
}
if (copy_tree_spec.ignore_patterns != "{}") {
exclude = copy_tree_spec.ignore_patterns
}
}
}
}