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Use custom repo rule to generate @scalafmt_default #1626

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Merged
merged 2 commits into from
Oct 23, 2024
Merged

Use custom repo rule to generate @scalafmt_default #1626

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487e2c3
Use custom repo rule to generate @scalafmt_default
mbland Oct 18, 2024
3f9df30
Fix scalafmt_repositories.bzl lint errors
mbland Oct 18, 2024
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28 changes: 21 additions & 7 deletions scala/scalafmt/scalafmt_repositories.bzl
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Original file line number Diff line number Diff line change
Expand Up @@ -7,14 +7,27 @@ load(
load("//third_party/repositories:repositories.bzl", "repositories")
load("@io_bazel_rules_scala_config//:config.bzl", "SCALA_VERSIONS")

def scalafmt_default_config(path = ".scalafmt.conf"):
def _scalafmt_config_impl(repository_ctx):
config_path = repository_ctx.attr.path
build = []
build.append("filegroup(")
build.append(" name = \"config\",")
build.append(" srcs = [\"{}\"],".format(path))
build.append(" srcs = [\"{}\"],".format(config_path.name))
build.append(" visibility = [\"//visibility:public\"],")
build.append(")")
native.new_local_repository(name = "scalafmt_default", build_file_content = "\n".join(build), path = "")
build.append(")\n")

repository_ctx.file("BUILD", "\n".join(build), executable = False)
repository_ctx.symlink(repository_ctx.path(config_path), config_path.name)

scalafmt_config = repository_rule(
implementation = _scalafmt_config_impl,
attrs = {
"path": attr.label(mandatory = True, allow_single_file = True),
},
)

def scalafmt_default_config(path = ".scalafmt.conf", **kwargs):
scalafmt_config(name = "scalafmt_default", path = "//:" + path, **kwargs)

_SCALAFMT_DEPS = [
"org_scalameta_common",
Expand Down Expand Up @@ -60,6 +73,7 @@ def scalafmt_repositories(

def _register_scalafmt_toolchains():
for scala_version in SCALA_VERSIONS:
native.register_toolchains(
"@io_bazel_rules_scala//scala/scalafmt:scalafmt_toolchain" + version_suffix(scala_version),
)
native.register_toolchains(str(Label(
"//scala/scalafmt:scalafmt_toolchain" +
version_suffix(scala_version),
)))