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author | Jonathan Maw <jonathan.maw@codethink.co.uk> | 2013-09-30 15:08:10 +0100 |
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committer | Jonathan Maw <jonathan.maw@codethink.co.uk> | 2013-09-30 15:08:10 +0100 |
commit | 43efcf42382e87de4aa423e5e1607958ad1717d0 (patch) | |
tree | 7e19a0765b0dd6885fbdf69d3a8d0159a1b42de8 /contrib/svn-fe/svnrdump_sim.py | |
parent | 45d74c4b0fe38218b4569a90da7102cf48d616c2 (diff) | |
parent | c7fd06b6411fb04eb4d9acd7f8822a288a50dc17 (diff) | |
download | git-43efcf42382e87de4aa423e5e1607958ad1717d0.tar.gz |
Merge branch 'baserock/jonathanmaw/S9007/upgrade-git' into baserock/morphbaserock/morph
Reviewed-by: Lars Wirzenius <lars.wirzenius@codethink.co.uk>
Reviewed-by: Daniel Silverstone <daniel.silverstone@codethink.co.uk>
Diffstat (limited to 'contrib/svn-fe/svnrdump_sim.py')
-rwxr-xr-x | contrib/svn-fe/svnrdump_sim.py | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/contrib/svn-fe/svnrdump_sim.py b/contrib/svn-fe/svnrdump_sim.py new file mode 100755 index 0000000000..4e78a1c3cd --- /dev/null +++ b/contrib/svn-fe/svnrdump_sim.py @@ -0,0 +1,57 @@ +#!/usr/bin/python +""" +Simulates svnrdump by replaying an existing dump from a file, taking care +of the specified revision range. +To simulate incremental imports the environment variable SVNRMAX can be set +to the highest revision that should be available. +""" +import sys, os + +if sys.hexversion < 0x02040000: + # The limiter is the ValueError() calls. This may be too conservative + sys.stderr.write("svnrdump-sim.py: requires Python 2.4 or later.\n") + sys.exit(1) + +def getrevlimit(): + var = 'SVNRMAX' + if var in os.environ: + return os.environ[var] + return None + +def writedump(url, lower, upper): + if url.startswith('sim://'): + filename = url[6:] + if filename[-1] == '/': filename = filename[:-1] #remove terminating slash + else: + raise ValueError('sim:// url required') + f = open(filename, 'r'); + state = 'header' + wroterev = False + while(True): + l = f.readline() + if l == '': break + if state == 'header' and l.startswith('Revision-number: '): + state = 'prefix' + if state == 'prefix' and l == 'Revision-number: %s\n' % lower: + state = 'selection' + if not upper == 'HEAD' and state == 'selection' and l == 'Revision-number: %s\n' % upper: + break; + + if state == 'header' or state == 'selection': + if state == 'selection': wroterev = True + sys.stdout.write(l) + return wroterev + +if __name__ == "__main__": + if not (len(sys.argv) in (3, 4, 5)): + print("usage: %s dump URL -rLOWER:UPPER") + sys.exit(1) + if not sys.argv[1] == 'dump': raise NotImplementedError('only "dump" is suppported.') + url = sys.argv[2] + r = ('0', 'HEAD') + if len(sys.argv) == 4 and sys.argv[3][0:2] == '-r': + r = sys.argv[3][2:].lstrip().split(':') + if not getrevlimit() is None: r[1] = getrevlimit() + if writedump(url, r[0], r[1]): ret = 0 + else: ret = 1 + sys.exit(ret) |