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use the correct project-specific context when computing hashes

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Summary:
Update `BuildOpts.compute_dirs()` to use the correct project-specific manifest
context when computing project hashes.  Previously it was incorrectly using
the initial project's context when evaluating all dependencies.  This would
result in some projects potentially seeing the wrong values for variables that
may change from project to project (like `test`).

Reviewed By: pkaush

Differential Revision: D16477398

fbshipit-source-id: 6c23f5e5e19b2402000a138b3920b79044446041
This commit is contained in:
Adam Simpkins
2019-07-31 20:53:07 -07:00
committed by Facebook Github Bot
parent f1ed28a52c
commit bc2a5ae634
2 changed files with 9 additions and 8 deletions
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8
build/fbcode_builder/getdeps.py
View File

@@ -156,7 +156,7 @@ class ShowInstDirCmd(SubCmd):
for m in manifests:
ctx = ctx_gen.get_context(m.name)
fetcher = m.create_fetcher(opts, ctx)
dirs = opts.compute_dirs(m, fetcher, manifests_by_name, ctx)
dirs = opts.compute_dirs(m, fetcher, manifests_by_name, ctx_gen)
inst_dir = dirs["inst_dir"]
print(inst_dir)
@@ -236,7 +236,7 @@ class BuildCmd(SubCmd):
if args.clean:
fetcher.clean()
dirs = opts.compute_dirs(m, fetcher, manifests_by_name, ctx)
dirs = opts.compute_dirs(m, fetcher, manifests_by_name, ctx_gen)
build_dir = dirs["build_dir"]
inst_dir = dirs["inst_dir"]
@@ -331,7 +331,7 @@ class FixupDeps(SubCmd):
ctx = ctx_gen.get_context(m.name)
fetcher = m.create_fetcher(opts, ctx)
dirs = opts.compute_dirs(m, fetcher, manifests_by_name, ctx)
dirs = opts.compute_dirs(m, fetcher, manifests_by_name, ctx_gen)
inst_dir = dirs["inst_dir"]
install_dirs.append(inst_dir)
@@ -388,7 +388,7 @@ class TestCmd(SubCmd):
ctx = ctx_gen.get_context(m.name)
fetcher = m.create_fetcher(opts, ctx)
dirs = opts.compute_dirs(m, fetcher, manifests_by_name, ctx)
dirs = opts.compute_dirs(m, fetcher, manifests_by_name, ctx_gen)
build_dir = dirs["build_dir"]
inst_dir = dirs["inst_dir"]

9
build/fbcode_builder/getdeps/buildopts.py
View File

@@ -148,7 +148,7 @@ class BuildOptions(object):
}
)
def _compute_hash(self, hash_by_name, manifest, manifests_by_name, ctx):
def _compute_hash(self, hash_by_name, manifest, manifests_by_name, ctx_gen):
""" This recursive function computes a hash for a given manifest.
The hash takes into account some environmental factors on the
host machine and includes the hashes of its dependencies.
@@ -173,6 +173,7 @@ class BuildOptions(object):
for tool in ["cc", "c++", "gcc", "g++", "clang", "clang++"]:
env["tool-%s" % tool] = path_search(os.environ, tool)
ctx = ctx_gen.get_context(manifest.name)
fetcher = manifest.create_fetcher(self, ctx)
env["fetcher.hash"] = fetcher.hash()
@@ -187,7 +188,7 @@ class BuildOptions(object):
dep_list = sorted(manifest.get_section_as_dict("dependencies", ctx).keys())
for dep in dep_list:
dep_hash = self._compute_hash(
hash_by_name, manifests_by_name[dep], manifests_by_name, ctx
hash_by_name, manifests_by_name[dep], manifests_by_name, ctx_gen
)
hasher.update(dep_hash.encode("utf-8"))
@@ -203,9 +204,9 @@ class BuildOptions(object):
return h
def compute_dirs(self, manifest, fetcher, manifests_by_name, ctx):
def compute_dirs(self, manifest, fetcher, manifests_by_name, ctx_gen):
hash_by_name = {}
hash = self._compute_hash(hash_by_name, manifest, manifests_by_name, ctx)
hash = self._compute_hash(hash_by_name, manifest, manifests_by_name, ctx_gen)
if manifest.is_first_party_project():
directory = manifest.name