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remove fetch-gn dependency on buildtools

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This makes it possible to fetch GN without syncing DEPS.

To roll GN now, just update the three hashes in bin/fetch-gn.

buildtools is still a dependency of fetch-clang-format.

Bug: skia:7634

Change-Id: Ida6b516cfb0b306da73550875ab1ff97c9da6a64
Reviewed-on: https://skia-review.googlesource.com/107882
Reviewed-by: Hal Canary <halcanary@google.com>
Commit-Queue: Mike Klein <mtklein@chromium.org>
This commit is contained in:
Mike Klein 2018-02-15 10:41:10 -05:00 committed by Skia Commit-Bot
parent 138bd155ed
commit cdcadf7a29
1 changed files with 15 additions and 13 deletions
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28
bin/fetch-gn
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@ -14,11 +14,11 @@ import urllib2
os.chdir(os.path.join(os.path.dirname(__file__), os.pardir))
gn_path = 'buildtools/linux64/gn' if 'linux' in sys.platform else \
'buildtools/mac/gn' if 'darwin' in sys.platform else \
'buildtools/win/gn.exe'
dst = 'bin/gn.exe' if 'win32' in sys.platform else 'bin/gn'
sha1 = open(gn_path + '.sha1').read().strip()
sha1 = '113f5b30a7cfae72015600a119590d45d64c0d0d' if 'linux' in sys.platform else \
'b33a6d33c2b2f42762f902672ffdf4837fa1c662' if 'darwin' in sys.platform else \
'b1981c189f40c3ae42b965277ad1bc3449d26d2a' # Windows
def sha1_of_file(path):
h = hashlib.sha1()
@ -27,15 +27,17 @@ def sha1_of_file(path):
h.update(f.read())
return h.hexdigest()
if sha1_of_file(gn_path) != sha1:
with open(gn_path, 'wb') as f:
if sha1_of_file(dst) != sha1:
with open(dst, 'wb') as f:
f.write(urllib2.urlopen('https://chromium-gn.storage-download.googleapis.com/' + sha1).read())
os.chmod(gn_path, stat.S_IRUSR | stat.S_IWUSR | stat.S_IXUSR |
stat.S_IRGRP | stat.S_IXGRP |
stat.S_IROTH | stat.S_IXOTH )
gn_copy_path = os.path.join('bin', os.path.basename(gn_path))
if sha1_of_file(gn_copy_path) != sha1:
shutil.copy(gn_path, gn_copy_path)
os.chmod(dst, stat.S_IRUSR | stat.S_IWUSR | stat.S_IXUSR |
stat.S_IRGRP | stat.S_IXGRP |
stat.S_IROTH | stat.S_IXOTH )
# We'll also copy to a path that depot_tools' GN wrapper will expect to find the binary.
copy_path = 'buildtools/linux64/gn' if 'linux' in sys.platform else \
'buildtools/mac/gn' if 'darwin' in sys.platform else \
'buildtools/win/gn.exe'
if os.path.isdir(os.path.dirname(copy_path)):
shutil.copy(dst, copy_path)