|  | From bf6362aa01dd00c82996dcabfb1cb20d7919c552 Mon Sep 17 00:00:00 2001 | 
|  | From: Lorenz Brun <lorenz@nexantic.com> | 
|  | Date: Wed, 22 Jul 2020 09:46:56 +0200 | 
|  | Subject: [PATCH] Add support for prepatching | 
|  |  | 
|  | --- | 
|  | internal/go_repository.bzl | 14 +++++++++++--- | 
|  | 1 file changed, 11 insertions(+), 3 deletions(-) | 
|  |  | 
|  | diff --git a/internal/go_repository.bzl b/internal/go_repository.bzl | 
|  | index 9928fa8..a3af13d 100644 | 
|  | --- a/internal/go_repository.bzl | 
|  | +++ b/internal/go_repository.bzl | 
|  | @@ -213,6 +213,8 @@ def _go_repository_impl(ctx): | 
|  | if ctx.attr.debug_mode and result.stderr: | 
|  | print("fetch_repo: " + result.stderr) | 
|  |  | 
|  | +    patch(ctx, True) | 
|  | + | 
|  | # Repositories are fetched. Determine if build file generation is needed. | 
|  | build_file_names = ctx.attr.build_file_name.split(",") | 
|  | existing_build_file = "" | 
|  | @@ -474,6 +476,10 @@ go_repository = repository_rule( | 
|  | Gazelle directives.""", | 
|  | ), | 
|  |  | 
|  | +        # Patches to apply before running gazelle. | 
|  | +        "pre_patches": attr.label_list(), | 
|  | +        "pre_patch_cmds": attr.string_list(default = []), | 
|  | + | 
|  | # Patches to apply after running gazelle. | 
|  | "patches": attr.label_list( | 
|  | doc = "A list of patches to apply to the repository after gazelle runs.", | 
|  | @@ -504,10 +510,11 @@ go_repository = repository_rule( | 
|  | """See repository.md#go-repository for full documentation.""" | 
|  |  | 
|  | # Copied from @bazel_tools//tools/build_defs/repo:utils.bzl | 
|  | -def patch(ctx): | 
|  | +def patch(ctx, pre_mode = False): | 
|  | """Implementation of patching an already extracted repository""" | 
|  | bash_exe = ctx.os.environ["BAZEL_SH"] if "BAZEL_SH" in ctx.os.environ else "bash" | 
|  | -    for patchfile in ctx.attr.patches: | 
|  | +    patches = ctx.attr.patches if not pre_mode else ctx.attr.pre_patches | 
|  | +    for patchfile in patches: | 
|  | command = "{patchtool} {patch_args} < {patchfile}".format( | 
|  | patchtool = ctx.attr.patch_tool, | 
|  | patchfile = ctx.path(patchfile), | 
|  | @@ -520,7 +527,8 @@ def patch(ctx): | 
|  | if st.return_code: | 
|  | fail("Error applying patch %s:\n%s%s" % | 
|  | (str(patchfile), st.stderr, st.stdout)) | 
|  | -    for cmd in ctx.attr.patch_cmds: | 
|  | +    patch_cmds = ctx.attr.patch_cmds if not pre_mode else ctx.attr.pre_patch_cmds | 
|  | +    for cmd in patch_cmds: | 
|  | st = ctx.execute([bash_exe, "-c", cmd]) | 
|  | if st.return_code: | 
|  | fail("Error applying patch command %s:\n%s%s" % | 
|  | -- | 
|  | 2.25.1 | 
|  |  |