58 lines
2.1 KiB
Python
Executable File
58 lines
2.1 KiB
Python
Executable File
#!/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)
|