/usr/bin/subvertpy-fast-export is in python-subvertpy 0.8.10-1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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#
# svn-fast-export.py
# ----------
# Walk through each revision of a local Subversion repository and export it
# in a stream that git-fast-import can consume.
#
# Author: Chris Lee <clee@kde.org>
# License: MIT <http://www.opensource.org/licenses/mit-license.php>
#
# Adapted for subvertpy by Jelmer Vernooij <jelmer@samba.org>
trunk_path = '/trunk/'
branches_path = '/branches/'
tags_path = '/tags/'
address = 'localhost'
from cStringIO import StringIO
import sys, os.path
from optparse import OptionParser
import stat
from time import mktime, strptime
from subvertpy.repos import PATH_CHANGE_DELETE, Repository
ct_short = ['M', 'A', 'D', 'R', 'X']
def dump_file_blob(root, stream, stream_length):
sys.stdout.write("data %s\n" % stream_length)
sys.stdout.flush()
sys.stdout.write(stream.read())
sys.stdout.write("\n")
class Matcher(object):
branch = None
def __init__(self, trunk_path):
self.trunk_path = trunk_path
def branchname(self):
return self.branch
def __str__(self):
return super(Matcher, self).__str__() + ":" + self.trunk_path
@staticmethod
def getMatcher(trunk_path):
if trunk_path.startswith("regex:"):
return RegexStringMatcher(trunk_path)
else:
return StaticStringMatcher(trunk_path)
class StaticStringMatcher(Matcher):
branch = "master"
def matches(self, path):
return path.startswith(trunk_path)
def replace(self, path):
return path.replace(self.trunk_path, '')
class RegexStringMatcher(Matcher):
def __init__(self, trunk_path):
super(RegexStringMatcher, self).__init__(trunk_path)
import re
self.matcher = re.compile(self.trunk_path[len("regex:"):])
def matches(self, path):
match = self.matcher.match(path)
if match:
self.branch = match.group(1)
return True
else:
return False
def replace(self, path):
return self.matcher.sub("\g<2>", path)
MATCHER = None
def export_revision(rev, fs):
sys.stderr.write("Exporting revision %s... " % rev)
# Open a root object representing the youngest (HEAD) revision.
root = fs.revision_root(rev)
# And the list of what changed in this revision.
changes = root.paths_changed()
i = 1
marks = {}
file_changes = []
for path, (node_id, change_type, text_changed, prop_changed) in changes.iteritems():
if root.is_dir(path):
continue
if not MATCHER.matches(path):
# We don't handle branches. Or tags. Yet.
pass
else:
if change_type == PATH_CHANGE_DELETE:
file_changes.append("D %s" % MATCHER.replace(path).lstrip("/"))
else:
props = root.proplist(path)
marks[i] = MATCHER.replace(path)
if props.get("svn:special", ""):
contents = root.file_content(path).read()
if not contents.startswith("link "):
sys.stderr.write("special file '%s' is not a symlink, ignoring...\n" % path)
continue
mode = stat.S_IFLNK
stream = StringIO(contents[len("link "):])
stream_length = len(stream.getvalue())
else:
if props.get("svn:executable", ""):
mode = 0755
else:
mode = 0644
stream_length = root.file_length(path)
stream = root.file_content(path)
file_changes.append("M %o :%s %s" % (
mode, i, marks[i].lstrip("/")))
sys.stdout.write("blob\nmark :%s\n" % i)
dump_file_blob(root, stream, stream_length)
stream.close()
i += 1
# Get the commit author and message
props = fs.revision_proplist(rev)
# Do the recursive crawl.
if props.has_key('svn:author'):
author = "%s <%s@%s>" % (props['svn:author'], props['svn:author'], address)
else:
author = 'nobody <nobody@localhost>'
if len(file_changes) == 0:
sys.stderr.write("skipping.\n")
return
svndate = props['svn:date'][0:-8]
commit_time = mktime(strptime(svndate, '%Y-%m-%dT%H:%M:%S'))
sys.stdout.write("commit refs/heads/%s\n" % MATCHER.branchname())
sys.stdout.write("committer %s %s -0000\n" % (author, int(commit_time)))
sys.stdout.write("data %s\n" % len(props['svn:log']))
sys.stdout.write(props['svn:log'])
sys.stdout.write("\n")
sys.stdout.write('\n'.join(file_changes))
sys.stdout.write("\n\n")
sys.stderr.write("done!\n")
def crawl_revisions(repos_path, first_rev=None, final_rev=None):
"""Open the repository at REPOS_PATH, and recursively crawl all its
revisions."""
# Open the repository at REPOS_PATH, and get a reference to its
# versioning filesystem.
fs_obj = Repository(repos_path).fs()
# Query the current youngest revision.
if first_rev is None:
first_rev = 1
if final_rev is None:
final_rev = fs_obj.youngest_revision()
for rev in xrange(first_rev, final_rev + 1):
export_revision(rev, fs_obj)
if __name__ == '__main__':
usage = '%prog [options] REPOS_PATH'
parser = OptionParser()
parser.set_usage(usage)
parser.add_option('-f', '--final-rev', help='Final revision to import',
dest='final_rev', metavar='FINAL_REV', type='int')
parser.add_option('-r', '--first-rev', help='First revision to import',
dest='first_rev', metavar='FIRST_REV', type='int')
parser.add_option('-t', '--trunk-path', help="Path in repo to /trunk, may be `regex:/cvs/(trunk)/proj1/(.*)`\nFirst group is used as branchname, second to match files",
dest='trunk_path', metavar='TRUNK_PATH')
parser.add_option('-b', '--branches-path', help='Path in repo to /branches',
dest='branches_path', metavar='BRANCHES_PATH')
parser.add_option('-T', '--tags-path', help='Path in repo to /tags',
dest='tags_path', metavar='TAGS_PATH')
parser.add_option('-a', '--address', help='Domain to put on users for their mail address',
dest='address', metavar='hostname', type='string')
parser.add_option("--version", help="Print version and exit", action="store_true")
(options, args) = parser.parse_args()
if options.version:
import subvertpy
print ".".join([str(x) for x in subvertpy.__version__])
sys.exit(0)
if options.trunk_path != None:
trunk_path = options.trunk_path
if options.branches_path != None:
branches_path = options.branches_path
if options.tags_path != None:
tags_path = options.tags_path
if options.address != None:
address = options.address
MATCHER = Matcher.getMatcher(trunk_path)
sys.stderr.write("%s\n" % MATCHER)
if len(args) != 1:
parser.print_help()
sys.exit(2)
# Canonicalize (enough for Subversion, at least) the repository path.
repos_path = os.path.normpath(args[0])
if repos_path == '.':
repos_path = ''
try:
import msvcrt
msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY)
except ImportError:
pass
crawl_revisions(repos_path, first_rev=options.first_rev,
final_rev=options.final_rev)
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