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# The output of this script is a splicemap.
# A splicemap is used by the mercurial 'convert' extension to direct its
# splicing operation.
# The script assumes you already have a destination repository
# containing a conversion somewhere in its history, but that you've
# possibly mixed some new commits on top of that conversion. It outputs
# a splicemap that picks up the conversion where it left off (with the
# first descendant, in the source repo, of the src rev given by --start,
# if or rather the first descendant that would be included by the
# conversion's filemap) and connects them to the current tip of the
# destination repo.
from mercurial import ui, hg
from hgext.convert.filemap import filemapper
from optparse import OptionParser
import sys
parser = OptionParser()
parser.add_option("-s", "--src", dest="src",
help="source repository", metavar="REPO")
parser.add_option("-d", "--dst", dest="dst",
help="destination repository", metavar="REPO")
parser.add_option("-t", "--start", dest="start",
help="starting revid in source repository", metavar="REV")
parser.add_option("-f", "--filemap", dest="filemap",
help="filemap used in conversion", metavar="PATH")
(options, args) = parser.parse_args()
if not (options.src and options.dst and options.start):
u = ui.ui()
src_repo = hg.repository(u, options.src)
dst_repo = hg.repository(u, options.dst)
fm = None
if options.filemap:
fm = filemapper(u, options.filemap)
last_converted_src = src_repo[options.start]
dst_tip = dst_repo.changectx(dst_repo.changelog.tip()).hex()
revs = last_converted_src.children()
while len(revs) != 0:
tmp = revs
revs = []
for child in tmp:
for f in child.files():
if (not fm) or fm(f):
u.write("%s %s\n" % (child.hex(), dst_tip))
sys.stderr.write("No candidate child found in source repository\n")
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