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    <p>Pretty late to the party, however I wrote a python pre-commit hook for work which is based off the log-police.py script on <a href="http://subversion.tigris.org/" rel="nofollow noreferrer">http://subversion.tigris.org/</a>.</p> <p>This script should do what you want, however it also checks that a log message exists, though that should be easy to remove from the script.</p> <p>Some caveats:</p> <ul> <li>I'm new to Python, so it most likely could be written better</li> <li>It has only been tested on Windows 2003 with Python 2.5 and Subversion 1.4.</li> </ul> <p>Requirements:</p> <ul> <li>Subversion</li> <li>Python</li> <li>Subversion bindings for Python</li> </ul> <p>Finally, the code:</p> <pre><code>#!/usr/bin/env python # # pre-commit.py: # # Performs the following: # - Makes sure the author has entered in a log message. # - Make sure author is only creating a tag, or if deleting a tag, author is a specific user # # Script based on http://svn.collab.net/repos/svn/trunk/tools/hook-scripts/log-police.py # # usage: pre-commit.py -t TXN_NAME REPOS # E.g. in pre-commit.bat (under Windows) # python.exe {common_hooks_dir}\pre_commit.py -t %2 %1 # import os import sys import getopt try: my_getopt = getopt.gnu_getopt except AttributeError: my_getopt = getopt.getopt import re import svn import svn.fs import svn.repos import svn.core # # Check Tags functionality # def check_for_tags(txn): txn_root = svn.fs.svn_fs_txn_root(txn) changed_paths = svn.fs.paths_changed(txn_root) for path, change in changed_paths.iteritems(): if is_path_within_a_tag(path): # else go to next path if is_path_a_tag(path): if (change.change_kind == svn.fs.path_change_delete): if not is_txn_author_allowed_to_delete(txn): sys.stderr.write("\nOnly an administrator can delete a tag.\n\nContact your Subversion Administrator for details.") return False elif (change.change_kind != svn.fs.path_change_add): sys.stderr.write("\nUnable to modify " + path + ".\n\nIt is within a tag and tags are read-only.\n\nContact your Subversion Administrator for details.") return False # else user is adding a tag, so accept this change else: sys.stderr.write("\nUnable to modify " + path + ".\n\nIt is within a tag and tags are read-only.\n\nContact your Subversion Administrator for details.") return False return True def is_path_within_a_tag(path): return re.search('(?i)\/tags\/', path) def is_path_a_tag(path): return re.search('(?i)\/tags\/[^\/]+\/?$', path) def is_txn_author_allowed_to_delete(txn): author = get_txn_property(txn, 'svn:author') return (author == 'bob.smith') # # Check log message functionality # def check_log_message(txn): log_message = get_txn_property(txn, "svn:log") if log_message is None or log_message.strip() == "": sys.stderr.write("\nCannot enter in empty commit message.\n") return False else: return True def get_txn_property(txn, prop_name): return svn.fs.svn_fs_txn_prop(txn, prop_name) def usage_and_exit(error_msg=None): import os.path stream = error_msg and sys.stderr or sys.stdout if error_msg: stream.write("ERROR: %s\n\n" % error_msg) stream.write("USAGE: %s -t TXN_NAME REPOS\n" % (os.path.basename(sys.argv[0]))) sys.exit(error_msg and 1 or 0) def main(ignored_pool, argv): repos_path = None txn_name = None try: opts, args = my_getopt(argv[1:], 't:h?', ["help"]) except: usage_and_exit("problem processing arguments / options.") for opt, value in opts: if opt == '--help' or opt == '-h' or opt == '-?': usage_and_exit() elif opt == '-t': txn_name = value else: usage_and_exit("unknown option '%s'." % opt) if txn_name is None: usage_and_exit("must provide -t argument") if len(args) != 1: usage_and_exit("only one argument allowed (the repository).") repos_path = svn.core.svn_path_canonicalize(args[0]) fs = svn.repos.svn_repos_fs(svn.repos.svn_repos_open(repos_path)) txn = svn.fs.svn_fs_open_txn(fs, txn_name) if check_log_message(txn) and check_for_tags(txn): sys.exit(0) else: sys.exit(1) if __name__ == '__main__': sys.exit(svn.core.run_app(main, sys.argv)) </code></pre>
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