1 #!/usr/bin/python 2 3 import os, sys, subprocess 4 5 def main(): 6 from optparse import OptionParser, OptionGroup 7 parser = OptionParser("usage: %prog [options] <repo> <revision>") 8 parser.add_option("", "--branch", dest="branch", 9 help="Ref for the branch to search [%default]", 10 action="store", default="git-svn") 11 (opts, args) = parser.parse_args() 12 13 if len(args) != 2: 14 parser.error("invalid number of arguments") 15 16 repo,rev = args 17 18 try: 19 rev = int(rev) 20 except: 21 parser.error("invalid revision argument (not an integer)") 22 23 os.chdir(repo) 24 p = subprocess.Popen(['git', 'rev-list', opts.branch, '--pretty'], 25 stdout=subprocess.PIPE) 26 27 bestRev = bestCommit = None 28 lastCommit = None 29 for ln in p.stdout: 30 if ln.startswith('commit '): 31 lastCommit = ln.split(' ',2)[1] 32 elif ln.startswith(' git-svn-id: '): 33 _,repo,_ = ln.strip().split(' ') 34 _,lrev = repo.rsplit('@',1) 35 lrev = int(lrev) 36 if lrev<=rev: 37 if bestRev is None or lrev>bestRev: 38 assert lastCommit 39 bestCommit = lastCommit 40 bestRev = lrev 41 if lrev == rev: 42 break 43 44 if bestCommit is not None: 45 print bestCommit 46 sys.exit(0) 47 sys.exit(1) 48 49 if __name__=='__main__': 50 main() 51
