I'm trying to write a post commit hook script for svn to export repository to multiple directories (so when you commit a code, that latest version of the code gets copied to other directories also). For example I have a repo which has 4 paths (or directories) A,B,C,D. I want that if I commit in A then the revision should also go to B,C,D. Similarly if I commit in B then revision should go to C,D and likewise when committed on C it should reflect on D.
I came to know about post-commit but don't know how to use it. I have written this bunch of code which is working partially. i.e when I am committing in A it goes to B but not to C or D, similarly when I commit on B it goes to C but not D.
I have not done scripting before. I have made a test-repo Test for testing my work.
#!/usr/bin/python
import os
import re
import sys
from subprocess import Popen, PIPE
REPOS, REV, TXN_NAME = sys.argv[1:]
SVNADMIN = '/opt/softwares/csvn/bin/svnadmin'
MAPPINGS = [
{
'FROM': {'REPOS': '/opt/softwares/csvn/data/repositories/Test', 'PATH': 'A'},
'TO': {'REPOS': '/opt/softwares/csvn/data/repositories/Test', 'PATH': 'B'}
},
{
'FROM': {'REPOS': '/opt/softwares/csvn/data/repositories/Test', 'PATH': 'A'},
'TO': {'REPOS': '/opt/softwares/csvn/data/repositories/Test', 'PATH': 'C'}
},
{
'FROM': {'REPOS': '/opt/softwares/csvn/data/repositories/Test', 'PATH': 'A'},
'TO': {'REPOS': '/opt/softwares/csvn/data/repositories/Test', 'PATH': 'D'}
},
{
'FROM': {'REPOS': '/opt/softwares/csvn/data/repositories/Test', 'PATH': 'B'},
'TO': {'REPOS': '/opt/softwares/csvn/data/repositories/Test', 'PATH': 'C'}
},
{
'FROM': {'REPOS': '/opt/softwares/csvn/data/repositories/Test', 'PATH': 'B'},
'TO': {'REPOS': '/opt/softwares/csvn/data/repositories/Test', 'PATH': 'D'}
},
{
'FROM': {'REPOS': '/opt/softwares/csvn/data/repositories/Test', 'PATH': 'C'},
'TO': {'REPOS': '/opt/softwares/csvn/data/repositories/Test', 'PATH': 'D'}
},
]
TMP_MAPPINGS = MAPPINGS
MAPPINGS = []
for mapping in TMP_MAPPINGS:
if mapping not in MAPPINGS:
MAPPINGS.append(mapping)
del TMP_MAPPINGS
MAPPINGS.sort(key=lambda mapping: len(mapping['FROM']['PATH']), reverse=True)
def map_(revision_content, to_repos):
pattern = '\n(?:Node-path|Node-copyfrom-path): ([^\n]*)\n'
mapped = {'VALUE': False}
def repl(match):
path = match.group(1)
for mapping in MAPPINGS:
if os.path.samefile(mapping['FROM']['REPOS'], REPOS) \
and mapping['TO']['REPOS'] == to_repos \
and path.startswith(mapping['FROM']['PATH']):
path = mapping['TO']['PATH'] + path[len(mapping['FROM']['PATH']):]
mapped['VALUE'] = True
break
return re.sub(': [^\n]*', ': ' + path, match.group(0), 1)
return re.sub(pattern, repl, revision_content), mapped['VALUE']
there_were_errors = False
processed_to_repos = []
revision_content = None
for mapping in MAPPINGS:
if not os.path.samefile(mapping['FROM']['REPOS'], REPOS):
continue
to_repos = mapping['TO']['REPOS']
if to_repos in processed_to_repos:
continue
processed_to_repos.append(to_repos)
if revision_content is None:
dump_process = Popen([SVNADMIN, 'dump', REPOS, '-r', REV, '--incremental', '-q'], stdout=PIPE, stderr=PIPE)
revision_content, errors = dump_process.communicate()
if errors:
print >> sys.stderr, errors
there_were_errors = True
break
mapped_revision_content, mapped = map_(revision_content, to_repos)
if not mapped:
continue
load_process = Popen([SVNADMIN, 'load', to_repos, '-r', REV, '--ignore-uuid', '-q'], stdin=PIPE, stderr=PIPE)
_, errors = load_process.communicate(mapped_revision_content)
if errors:
print >> sys.stderr, errors
there_were_errors = True
if there_were_errors:
sys.exit(1)
sys.exit(0)
