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-rwxr-xr-xcontrib/svn-fe/svnrdump_sim.py53
1 files changed, 53 insertions, 0 deletions
diff --git a/contrib/svn-fe/svnrdump_sim.py b/contrib/svn-fe/svnrdump_sim.py
new file mode 100755
index 0000000..1cfac4a
--- /dev/null
+++ b/contrib/svn-fe/svnrdump_sim.py
@@ -0,0 +1,53 @@
+#!/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
+
+
+def getrevlimit():
+ var = 'SVNRMAX'
+ if os.environ.has_key(var):
+ 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)