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Add hg2git.py with library routines

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Unfortunately, I can't do 'import hg-fast-export' from python itself, so
we need to move some common methods into 'hg2git.py' which is to be used
as a library for common hg->git routines.

Signed-off-by: Rocco Rutte <pdmef@gmx.net>
This commit is contained in:
Rocco Rutte
2007-03-19 08:45:42 +00:00
parent b0492474e3
commit 7044bdd4d1
2 changed files with 79 additions and 69 deletions
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70
hg-fast-export.py
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@@ -4,6 +4,7 @@
# License: MIT <http://www.opensource.org/licenses/mit-license.php>
from mercurial import repo,hg,cmdutil,util,ui,revlog,node
from hg2git import setup_repo,fixup_user,get_branch,get_changeset,load_cache,save_cache
from tempfile import mkstemp
from optparse import OptionParser
import re
@@ -12,58 +13,11 @@ import os
# silly regex to catch Signed-off-by lines in log message
sob_re=re.compile('^Signed-[Oo]ff-[Bb]y: (.+)$')
# silly regex to see if user field has email address
user_re=re.compile('([^<]+) (<[^>]+>)$')
# silly regex to clean out user names
user_clean_re=re.compile('^["]([^"]+)["]$')
# git branch for hg's default 'HEAD' branch
cfg_master='master'
# insert 'checkpoint' command after this many commits or none at all if 0
cfg_checkpoint_count=0
# write some progress message every this many file contents written
cfg_export_boundary=1000
def setup_repo(url):
myui=ui.ui()
return myui,hg.repository(myui,url)
def fixup_user(user,authors):
if authors!=None:
# if we have an authors table, try to get mapping
# by defaulting to the current value of 'user'
user=authors.get(user,user)
name,mail,m='','',user_re.match(user)
if m==None:
# if we don't have 'Name <mail>' syntax, use 'user
# <devnull@localhost>' if use contains no at and
# 'user <user>' otherwise
name=user
if '@' not in user:
mail='<devnull@localhost>'
else:
mail='<%s>' % user
else:
# if we have 'Name <mail>' syntax, everything is fine :)
name,mail=m.group(1),m.group(2)
# remove any silly quoting from username
m2=user_clean_re.match(name)
if m2!=None:
name=m2.group(1)
return '%s %s' % (name,mail)
def get_branch(name):
if name=='HEAD':
name=cfg_master
return name
def get_changeset(ui,repo,revision,authors={}):
node=repo.lookup(revision)
(manifest,user,(time,timezone),files,desc,extra)=repo.changelog.read(node)
tz="%+03d%02d" % (-timezone / 3600, ((-timezone % 3600) / 60))
branch=get_branch(extra.get('branch','master'))
return (node,manifest,fixup_user(user,authors),(time,tz),files,desc,branch,extra)
def gitmode(x):
return x and '100755' or '100644'
@@ -305,28 +259,6 @@ def load_authors(filename):
sys.stderr.write('Loaded %d authors\n' % l)
return cache
def load_cache(filename):
cache={}
if not os.path.exists(filename):
return cache
f=open(filename,'r')
l=0
for line in f.readlines():
l+=1
fields=line.split(' ')
if fields==None or not len(fields)==2 or fields[0][0]!=':':
sys.stderr.write('Invalid file format in [%s], line %d\n' % (filename,l))
continue
# put key:value in cache, key without ^:
cache[fields[0][1:]]=fields[1].split('\n')[0]
f.close()
return cache
def save_cache(filename,cache):
f=open(filename,'w+')
map(lambda x: f.write(':%s %s\n' % (str(x),str(cache.get(x)))),cache.keys())
f.close()
def verify_heads(ui,repo,cache,force):
def getsha1(branch):
try: