Add a tool to download Chromium's prebuilt clang.
See tools/clang/scripts/update.sh. This'll be used to run ASan on the bots.
BUG=469928
Change-Id: I6b5093c2db21ad4ed742852944e77a6b32e29e29
Reviewed-on: https://boringssl-review.googlesource.com/4402
Reviewed-by: Adam Langley <agl@google.com>
diff --git a/util/bot/DEPS b/util/bot/DEPS
index 635dc91..738fbd3 100644
--- a/util/bot/DEPS
+++ b/util/bot/DEPS
@@ -85,6 +85,13 @@
'update',
],
},
+ {
+ 'name': 'clang',
+ 'pattern': '.',
+ 'action': [ 'python',
+ 'boringssl/util/bot/update_clang.py',
+ ],
+ },
# TODO(davidben): Only extract archives when they've changed. Extracting perl
# on Windows is a significant part of the cycle time.
{
diff --git a/util/bot/update_clang.py b/util/bot/update_clang.py
new file mode 100644
index 0000000..0836d11
--- /dev/null
+++ b/util/bot/update_clang.py
@@ -0,0 +1,71 @@
+# Copyright (c) 2015, Google Inc.
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+# SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+# OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+# CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+import os.path
+import shutil
+import sys
+import tarfile
+import tempfile
+import urllib
+
+# CLANG_REVISION and CLANG_SUB_REVISION determine the build of clang
+# to use. These should be synced with tools/clang/scripts/update.sh in
+# Chromium.
+CLANG_REVISION = "233105"
+CLANG_SUB_REVISION = "1"
+
+PACKAGE_VERSION = "%s-%s" % (CLANG_REVISION, CLANG_SUB_REVISION)
+LLVM_BUILD_DIR = os.path.join(os.path.dirname(__file__), "llvm-build")
+STAMP_FILE = os.path.join(LLVM_BUILD_DIR, "cr_build_revision")
+
+CDS_URL = "https://commondatastorage.googleapis.com/chromium-browser-clang"
+
+def DownloadFile(url, path):
+ """DownloadFile fetches |url| to |path|."""
+ last_progress = [0]
+ def report(a, b, c):
+ progress = int(a * b * 100.0 / c)
+ if progress != last_progress[0]:
+ print >> sys.stderr, "Downloading... %d%%" % progress
+ last_progress[0] = progress
+ urllib.urlretrieve(url, path, reporthook=report)
+
+def main(args):
+ # For now, only download clang on Linux.
+ if not sys.platform.startswith("linux"):
+ return 0
+
+ if os.path.exists(STAMP_FILE):
+ with open(STAMP_FILE) as f:
+ if f.read().strip() == PACKAGE_VERSION:
+ print >> sys.stderr, "Clang already at %s" % (PACKAGE_VERSION,)
+ return 0
+
+ if os.path.exists(LLVM_BUILD_DIR):
+ shutil.rmtree(LLVM_BUILD_DIR)
+
+ print >> sys.stderr, "Downloading Clang %s" % (PACKAGE_VERSION,)
+ cds_full_url = "%s/Linux_x64/clang-%s.tgz" % (CDS_URL, PACKAGE_VERSION)
+ with tempfile.NamedTemporaryFile() as temp:
+ DownloadFile(cds_full_url, temp.name)
+ with tarfile.open(temp.name, "r:gz") as tar_file:
+ tar_file.extractall(LLVM_BUILD_DIR)
+
+ with open(STAMP_FILE, "wb") as stamp_file:
+ stamp_file.write(PACKAGE_VERSION)
+
+ return 0
+
+if __name__ == "__main__":
+ sys.exit(main(sys.argv[1:]))
