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author | Shih-wei Liao <sliao@google.com> | 2010-04-07 12:21:42 -0700 |
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committer | Shih-wei Liao <sliao@google.com> | 2010-04-07 12:21:42 -0700 |
commit | e4454320b3cfffe926a487c33fbeb454366de2f8 (patch) | |
tree | 133c05da684edf4a3b2529bcacfa996298c455f6 /utils/git | |
parent | 20570085304f0a4ab4f112a01d77958bbd2827a1 (diff) | |
download | external_llvm-e4454320b3cfffe926a487c33fbeb454366de2f8.zip external_llvm-e4454320b3cfffe926a487c33fbeb454366de2f8.tar.gz external_llvm-e4454320b3cfffe926a487c33fbeb454366de2f8.tar.bz2 |
libbcc
Change-Id: Ieaa3ebd5a38f370752495549f8870b534eeedfc5
Diffstat (limited to 'utils/git')
-rwxr-xr-x | utils/git/find-rev | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/utils/git/find-rev b/utils/git/find-rev new file mode 100755 index 0000000..a6161db --- /dev/null +++ b/utils/git/find-rev @@ -0,0 +1,50 @@ +#!/usr/bin/python + +import os, sys, subprocess + +def main(): + from optparse import OptionParser, OptionGroup + parser = OptionParser("usage: %prog [options] <repo> <revision>") + parser.add_option("", "--dump-section-data", dest="dumpSectionData", + help="Dump the contents of sections", + action="store_true", default=False) + (opts, args) = parser.parse_args() + + if len(args) != 2: + parser.error("invalid number of arguments") + + repo,rev = args + + try: + rev = int(rev) + except: + parser.error("invalid revision argument (not an integer)") + + os.chdir(repo) + p = subprocess.Popen(['git', 'rev-list', 'git-svn', '--pretty'], + stdout=subprocess.PIPE) + + bestRev = bestCommit = None + lastCommit = None + for ln in p.stdout: + if ln.startswith('commit '): + lastCommit = ln.split(' ',2)[1] + elif ln.startswith(' git-svn-id: '): + _,repo,_ = ln.strip().split(' ') + _,lrev = repo.rsplit('@',1) + lrev = int(lrev) + if lrev<=rev: + if bestRev is None or lrev>bestRev: + assert lastCommit + bestCommit = lastCommit + bestRev = lrev + if lrev == rev: + break + + if bestCommit is not None: + print bestCommit + sys.exit(0) + sys.exit(1) + +if __name__=='__main__': + main() |