mirror of
https://github.com/frej/fast-export.git
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98 lines
2.8 KiB
Python
Executable File
98 lines
2.8 KiB
Python
Executable File
#!/usr/bin/env python
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# Copyright (c) 2007 Rocco Rutte <pdmef@gmx.net>
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# License: MIT <http://www.opensource.org/licenses/mit-license.php>
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from mercurial import repo,hg,cmdutil,util,ui,revlog,node
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import re
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import os
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import sys
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# default git branch name
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cfg_master='master'
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# silly regex to see if user field has email address
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user_re=re.compile('([^<]+) (<[^>]+>)$')
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# silly regex to clean out user names
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user_clean_re=re.compile('^["]([^"]+)["]$')
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def setup_repo(url):
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myui=ui.ui(interactive=False)
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return myui,hg.repository(myui,url)
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def fixup_user(user,authors):
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if authors!=None:
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# if we have an authors table, try to get mapping
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# by defaulting to the current value of 'user'
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user=authors.get(user,user)
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name,mail,m='','',user_re.match(user)
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if m==None:
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# if we don't have 'Name <mail>' syntax, use 'user
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# <devnull@localhost>' if use contains no at and
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# 'user <user>' otherwise
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name=user
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if '@' not in user:
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mail='<devnull@localhost>'
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else:
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mail='<%s>' % user
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else:
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# if we have 'Name <mail>' syntax, everything is fine :)
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name,mail=m.group(1),m.group(2)
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# remove any silly quoting from username
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m2=user_clean_re.match(name)
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if m2!=None:
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name=m2.group(1)
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return '%s %s' % (name,mail)
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def get_branch(name):
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# 'HEAD' is the result of a bug in mutt's cvs->hg conversion,
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# other CVS imports may need it, too
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if name=='HEAD' or name=='default' or name=='':
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name=cfg_master
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return name.replace(' ', '_')
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def get_changeset(ui,repo,revision,authors={}):
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node=repo.lookup(revision)
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(manifest,user,(time,timezone),files,desc,extra)=repo.changelog.read(node)
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tz="%+03d%02d" % (-timezone / 3600, ((-timezone % 3600) / 60))
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branch=get_branch(extra.get('branch','master'))
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return (node,manifest,fixup_user(user,authors),(time,tz),files,desc,branch,extra)
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def mangle_key(key):
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return key
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def load_cache(filename,get_key=mangle_key):
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cache={}
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if not os.path.exists(filename):
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return cache
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f=open(filename,'r')
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l=0
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for line in f.readlines():
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l+=1
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fields=line.split(' ')
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if fields==None or not len(fields)==2 or fields[0][0]!=':':
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sys.stderr.write('Invalid file format in [%s], line %d\n' % (filename,l))
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continue
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# put key:value in cache, key without ^:
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cache[get_key(fields[0][1:])]=fields[1].split('\n')[0]
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f.close()
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return cache
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def save_cache(filename,cache):
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f=open(filename,'w+')
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map(lambda x: f.write(':%s %s\n' % (str(x),str(cache.get(x)))),cache.keys())
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f.close()
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def get_git_sha1(name,type='heads'):
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try:
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# use git-rev-parse to support packed refs
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cmd="GIT_DIR='%s' git-rev-parse --verify refs/%s/%s 2>/dev/null" % (os.getenv('GIT_DIR','/dev/null'),type,name)
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p=os.popen(cmd)
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l=p.readline()
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p.close()
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if l == None or len(l) == 0:
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return None
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return l[0:40]
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except IOError:
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return None
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