361 lines
12 KiB
Python
Executable File
361 lines
12 KiB
Python
Executable File
#!/usr/bin/env python
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# -*-python-*-
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#
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# Copyright (C) 2004-2007 James Henstridge
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#
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# By using this file, you agree to the terms and conditions set forth in
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# the LICENSE.html file which can be found at the top level of the ViewVC
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# distribution or at http://viewvc.org/license-1.html.
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#
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# For more information, visit http://viewvc.org/
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#
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# -----------------------------------------------------------------------
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#
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# administrative program for loading Subversion revision information
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# into the checkin database. It can be used to add a single revision
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# to the database, or rebuild/update all revisions.
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#
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# To add all the checkins from a Subversion repository to the checkin
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# database, run the following:
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# /path/to/svndbadmin rebuild /path/to/repo
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#
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# This script can also be called from the Subversion post-commit hook,
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# something like this:
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# REPOS="$1"
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# REV="$2"
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# /path/to/svndbadmin update "$REPOS" "$REV"
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#
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# If you allow changes to revision properties in your repository, you
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# might also want to set up something similar in the
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# post-revprop-change hook using "update" with the --force option to
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# keep the checkin database consistent with the repository.
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#
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# -----------------------------------------------------------------------
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#
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#########################################################################
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#
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# INSTALL-TIME CONFIGURATION
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#
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# These values will be set during the installation process. During
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# development, they will remain None.
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#
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LIBRARY_DIR = None
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CONF_PATHNAME = None
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# Adjust sys.path to include our library directory
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import sys
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import os
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if LIBRARY_DIR:
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sys.path.insert(0, LIBRARY_DIR)
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else:
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sys.path.insert(0, os.path.abspath(os.path.join(sys.argv[0], "../../lib")))
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#########################################################################
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import os
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import string
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import re
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import svn.core
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import svn.repos
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import svn.fs
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import svn.delta
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import cvsdb
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import viewvc
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import vclib
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class SvnRepo:
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"""Class used to manage a connection to a SVN repository."""
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def __init__(self, path):
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self.path = path
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self.repo = svn.repos.svn_repos_open(path)
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self.fs = svn.repos.svn_repos_fs(self.repo)
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self.rev_max = svn.fs.youngest_rev(self.fs)
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def __getitem__(self, rev):
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if rev is None:
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rev = self.rev_max
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elif rev < 0:
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rev = rev + self.rev_max + 1
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assert 0 <= rev <= self.rev_max
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rev = SvnRev(self, rev)
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return rev
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_re_diff_change_command = re.compile('(\d+)(?:,(\d+))?([acd])(\d+)(?:,(\d+))?')
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def _get_diff_counts(diff_fp):
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"""Calculate the plus/minus counts by parsing the output of a
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normal diff. The reasons for choosing Normal diff format are:
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- the output is short, so should be quicker to parse.
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- only the change commands need be parsed to calculate the counts.
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- All file data is prefixed, so won't be mistaken for a change
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command.
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This code is based on the description of the format found in the
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GNU diff manual."""
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plus, minus = 0, 0
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line = diff_fp.readline()
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while line:
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match = re.match(_re_diff_change_command, line)
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if match:
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# size of first range
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if match.group(2):
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count1 = int(match.group(2)) - int(match.group(1)) + 1
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else:
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count1 = 1
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cmd = match.group(3)
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# size of second range
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if match.group(5):
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count2 = int(match.group(5)) - int(match.group(4)) + 1
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else:
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count2 = 1
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if cmd == 'a':
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# LaR - insert after line L of file1 range R of file2
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plus = plus + count2
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elif cmd == 'c':
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# FcT - replace range F of file1 with range T of file2
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minus = minus + count1
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plus = plus + count2
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elif cmd == 'd':
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# RdL - remove range R of file1, which would have been
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# at line L of file2
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minus = minus + count1
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line = diff_fp.readline()
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return plus, minus
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class SvnRev:
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"""Class used to hold information about a particular revision of
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the repository."""
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def __init__(self, repo, rev):
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self.repo = repo
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self.rev = rev
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self.rev_roots = {} # cache of revision roots
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# revision properties ...
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revprops = svn.fs.revision_proplist(repo.fs, rev)
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self.author = str(revprops.get(svn.core.SVN_PROP_REVISION_AUTHOR,''))
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self.date = str(revprops.get(svn.core.SVN_PROP_REVISION_DATE, ''))
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self.log = str(revprops.get(svn.core.SVN_PROP_REVISION_LOG, ''))
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# convert the date string to seconds since epoch ...
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try:
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self.date = svn.core.svn_time_from_cstring(self.date) / 1000000
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except:
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self.date = None
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# get a root for the current revisions
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fsroot = self._get_root_for_rev(rev)
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# find changes in the revision
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editor = svn.repos.RevisionChangeCollector(repo.fs, rev)
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e_ptr, e_baton = svn.delta.make_editor(editor)
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svn.repos.svn_repos_replay(fsroot, e_ptr, e_baton)
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self.changes = []
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for path, change in editor.changes.items():
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# skip non-file changes
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if change.item_kind != svn.core.svn_node_file:
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continue
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# deal with the change types we handle
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base_root = None
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if change.base_path:
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base_root = self._get_root_for_rev(change.base_rev)
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if not change.path:
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action = 'remove'
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elif change.added:
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action = 'add'
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else:
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action = 'change'
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diffobj = svn.fs.FileDiff(base_root and base_root or None,
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base_root and change.base_path or None,
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change.path and fsroot or None,
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change.path and change.path or None)
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diff_fp = diffobj.get_pipe()
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plus, minus = _get_diff_counts(diff_fp)
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self.changes.append((path, action, plus, minus))
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def _get_root_for_rev(self, rev):
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"""Fetch a revision root from a cache of such, or a fresh root
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(which is then cached for later use."""
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if not self.rev_roots.has_key(rev):
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self.rev_roots[rev] = svn.fs.revision_root(self.repo.fs, rev)
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return self.rev_roots[rev]
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def handle_revision(db, command, repo, rev, verbose, force=0):
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"""Adds a particular revision of the repository to the checkin database."""
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revision = repo[rev]
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committed = 0
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if verbose: print "Building commit info for revision %d..." % (rev),
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if not revision.changes:
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if verbose: print "skipped (no changes)."
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return
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for (path, action, plus, minus) in revision.changes:
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directory, file = os.path.split(path)
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commit = cvsdb.CreateCommit()
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commit.SetRepository(repo.path)
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commit.SetDirectory(directory)
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commit.SetFile(file)
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commit.SetRevision(str(rev))
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commit.SetAuthor(revision.author)
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commit.SetDescription(revision.log)
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commit.SetTime(revision.date)
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commit.SetPlusCount(plus)
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commit.SetMinusCount(minus)
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commit.SetBranch(None)
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if action == 'add':
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commit.SetTypeAdd()
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elif action == 'remove':
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commit.SetTypeRemove()
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elif action == 'change':
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commit.SetTypeChange()
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if command == 'update':
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result = db.CheckCommit(commit)
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if result and not force:
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continue # already recorded
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# commit to database
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db.AddCommit(commit)
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committed = 1
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if verbose:
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if committed:
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print "done."
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else:
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print "skipped (already recorded)."
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def main(command, repository, revs=[], verbose=0, force=0):
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cfg = viewvc.load_config(CONF_PATHNAME)
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db = cvsdb.ConnectDatabase(cfg)
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if command in ('rebuild', 'purge'):
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if verbose:
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print "Purging commit info for repository root `%s'" % repository
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db.PurgeRepository(repository)
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repo = SvnRepo(repository)
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if command == 'rebuild' or (command == 'update' and not revs):
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for rev in range(repo.rev_max+1):
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handle_revision(db, command, repo, rev, verbose)
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elif command == 'update':
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if revs[0] is None:
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revs[0] = repo.rev_max
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if revs[1] is None:
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revs[1] = repo.rev_max
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revs.sort()
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for rev in range(revs[0], revs[1]+1):
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handle_revision(db, command, repo, rev, verbose, force)
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def _rev2int(r):
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if r == 'HEAD':
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r = None
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else:
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r = int(r)
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if r < 0:
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raise ValueError, "invalid revision '%d'" % (r)
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return r
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def usage():
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cmd = os.path.basename(sys.argv[0])
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sys.stderr.write(
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"""Administer the ViewVC checkins database data for the Subversion repository
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located at REPOS-PATH.
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Usage: 1. %s [-v] rebuild REPOS-PATH
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2. %s [-v] update REPOS-PATH [REV:[REV2]] [--force]
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3. %s [-v] purge REPOS-PATH
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1. Rebuild the commit database information for the repository located
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at REPOS-PATH across all revisions, after first purging
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information specific to that repository (if any).
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2. Update the commit database information for the repository located
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at REPOS-PATH across all revisions or, optionally, only for the
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specified revision REV (or revision range REV:REV2). This is just
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like rebuilding, except that, unless --force is specified, no
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commit information will be stored for commits already present in
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the database. If a range is specified, the revisions will be
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processed in ascending order, and you may specify "HEAD" to
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indicate "the youngest revision currently in the repository".
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3. Purge information specific to the repository located at REPOS-PATH
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from the database.
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Use the -v flag to cause this script to give progress information as it works.
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""" % (cmd, cmd, cmd))
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sys.exit(1)
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if __name__ == '__main__':
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verbose = 0
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force = 0
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args = sys.argv
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try:
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index = args.index('-v')
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verbose = 1
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del args[index]
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except ValueError:
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pass
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try:
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index = args.index('--force')
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force = 1
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del args[index]
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except ValueError:
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pass
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if len(args) < 3:
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usage()
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command = string.lower(args[1])
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if command not in ('rebuild', 'update', 'purge'):
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sys.stderr.write('ERROR: unknown command %s\n' % command)
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usage()
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repository = args[2]
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if not os.path.exists(repository):
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sys.stderr.write('ERROR: could not find repository %s\n' % args[2])
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usage()
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repository = vclib.svn.canonicalize_rootpath(repository)
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revs = []
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if len(sys.argv) > 3:
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if command == 'rebuild':
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sys.stderr.write('ERROR: rebuild no longer accepts a revision '
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'number argument. Usage update --force.')
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usage()
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elif command != 'update':
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usage()
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try:
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revs = map(lambda x: _rev2int(x), sys.argv[3].split(':'))
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if len(revs) > 2:
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raise ValueError, "too many revisions in range"
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if len(revs) == 1:
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revs.append(revs[0])
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except ValueError:
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sys.stderr.write('ERROR: invalid revision specification "%s"\n' \
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% sys.argv[3])
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usage()
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else:
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rev = None
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try:
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repository = cvsdb.CleanRepository(os.path.abspath(repository))
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main(command, repository, revs, verbose, force)
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except KeyboardInterrupt:
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print
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print '** break **'
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sys.exit(0)
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