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Bazel: integrate download_and_extract into lfs_smudge

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This commit is contained in:
Paolo Tranquilli
2024-05-02 08:53:51 +02:00
parent 677520aa8e
commit 9157dee0db
1 changed files with 15 additions and 6 deletions
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21
misc/bazel/lfs.bzl
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@@ -1,4 +1,4 @@
def lfs_smudge(repository_ctx, srcs):
def lfs_smudge(repository_ctx, srcs, extract = False, stripPrefix = None):
for src in srcs:
repository_ctx.watch(src)
script = Label("//misc/bazel/internal:git_lfs_probe.py")
@@ -10,19 +10,28 @@ def lfs_smudge(repository_ctx, srcs):
fail("git LFS probing failed while instantiating @%s:\n%s" % (repository_ctx.name, res.stderr))
for src, loc in zip(srcs, res.stdout.splitlines()):
if loc == "local":
repository_ctx.symlink(src, src.basename)
if extract:
repository_ctx.extract(src, stripPrefix = stripPrefix)
else:
repository_ctx.symlink(src, src.basename)
else:
sha256, _, url = loc.partition(" ")
repository_ctx.download(url, src.basename, sha256 = sha256)
if extract:
# we can't use skylib's `paths.split_extension`, as that only gets the last extension, so `.tar.gz`
# or similar wouldn't work
# it doesn't matter if file is something like some.name.zip and possible_extension == "name.zip",
# download_and_extract will just append ".name.zip" its internal temporary name, so extraction works
possible_extension = ".".join(src.basename.rsplit(".", 2)[-2:])
repository_ctx.download_and_extract(url, sha256 = sha256, stripPrefix = stripPrefix, type = possible_extension)
else:
repository_ctx.download(url, src.basename, sha256 = sha256)
def _download_and_extract_lfs(repository_ctx):
attr = repository_ctx.attr
src = repository_ctx.path(attr.src)
if attr.build_file_content and attr.build_file:
fail("You should specify only one among build_file_content and build_file for rule @%s" % repository_ctx.name)
lfs_smudge(repository_ctx, [src])
repository_ctx.extract(src.basename, stripPrefix = attr.strip_prefix)
repository_ctx.delete(src.basename)
lfs_smudge(repository_ctx, [src], extract = True, stripPrefix = attr.strip_prefix)
if attr.build_file_content:
repository_ctx.file("BUILD.bazel", attr.build_file_content)
elif attr.build_file: