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remote-hg: use marks instead of inlined files

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So that we can find already exported ones. We can never be 100% sure
that we already exported such data, due to mercurial design, it at least
sometimes we should detect them, and so should give us some performance
boost.

Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Felipe Contreras 2013-04-22 16:55:23 -05:00 committed by Junio C Hamano
parent 1a2636c297
commit 97253a2332
1 changed files with 33 additions and 8 deletions
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41
contrib/remote-helpers/git-remote-hg
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@ -126,6 +126,10 @@ class Marks:
def to_rev(self, mark):
return self.rev_marks[mark]
def next_mark(self):
self.last_mark += 1
return self.last_mark
def get_mark(self, rev):
self.last_mark += 1
self.marks[str(rev)] = self.last_mark
@ -218,12 +222,29 @@ def fix_file_path(path):
return path
return os.path.relpath(path, '/')
def export_file(fc):
d = fc.data()
path = fix_file_path(fc.path())
print "M %s inline %s" % (gitmode(fc.flags()), path)
print "data %d" % len(d)
print d
def export_files(files):
global marks, filenodes
final = []
for f in files:
fid = node.hex(f.filenode())
if fid in filenodes:
mark = filenodes[fid]
else:
mark = marks.next_mark()
filenodes[fid] = mark
d = f.data()
print "blob"
print "mark :%u" % mark
print "data %d" % len(d)
print d
path = fix_file_path(f.path())
final.append((gitmode(f.flags()), mark, path))
return final
def get_filechanges(repo, ctx, parent):
modified = set()
@ -413,6 +434,8 @@ def export_ref(repo, name, kind, head):
if len(parents) == 0 and rev:
print 'reset %s/%s' % (prefix, ename)
modified_final = export_files(c.filectx(f) for f in modified)
print "commit %s/%s" % (prefix, ename)
print "mark :%d" % (marks.get_mark(rev))
print "author %s" % (author)
@ -425,8 +448,8 @@ def export_ref(repo, name, kind, head):
if len(parents) > 1:
print "merge :%s" % (rev_to_mark(parents[1]))
for f in modified:
export_file(c.filectx(f))
for f in modified_final:
print "M %s :%u %s" % f
for f in removed:
print "D %s" % (fix_file_path(f))
print
@ -878,6 +901,7 @@ def main(args):
global peer, mode, bad_mail, bad_name
global track_branches, force_push, is_tmp
global parsed_tags
global filenodes
alias = args[1]
url = args[2]
@ -921,6 +945,7 @@ def main(args):
parsed_refs = {}
marks = None
parsed_tags = {}
filenodes = {}
repo = get_repo(url, alias)
prefix = 'refs/hg/%s' % alias