Change repo.comit to return None on error or the new revision number on
success
This allows the caller to correctly record the new revision number
# hg.py - repository classes for mercurial
#
# Copyright 2005 Matt Mackall <mpm@selenic.com>
#
# This software may be used and distributed according to the terms
# of the GNU General Public License, incorporated herein by reference.
import sys, struct, os
import util
from revlog import *
from demandload import *
demandload(globals(), "re lock urllib urllib2 transaction time socket")
demandload(globals(), "tempfile httprangereader bdiff urlparse")
demandload(globals(), "bisect errno select stat")
class filelog(revlog):
def __init__(self, opener, path):
revlog.__init__(self, opener,
os.path.join("data", self.encodedir(path + ".i")),
os.path.join("data", self.encodedir(path + ".d")))
# This avoids a collision between a file named foo and a dir named
# foo.i or foo.d
def encodedir(self, path):
return (path
.replace(".hg/", ".hg.hg/")
.replace(".i/", ".i.hg/")
.replace(".d/", ".d.hg/"))
def decodedir(self, path):
return (path
.replace(".d.hg/", ".d/")
.replace(".i.hg/", ".i/")
.replace(".hg.hg/", ".hg/"))
def read(self, node):
t = self.revision(node)
if not t.startswith('\1\n'):
return t
s = t.find('\1\n', 2)
return t[s+2:]
def readmeta(self, node):
t = self.revision(node)
if not t.startswith('\1\n'):
return t
s = t.find('\1\n', 2)
mt = t[2:s]
for l in mt.splitlines():
k, v = l.split(": ", 1)
m[k] = v
return m
def add(self, text, meta, transaction, link, p1=None, p2=None):
if meta or text.startswith('\1\n'):
mt = ""
if meta:
mt = [ "%s: %s\n" % (k, v) for k,v in meta.items() ]
text = "\1\n" + "".join(mt) + "\1\n" + text
return self.addrevision(text, transaction, link, p1, p2)
def annotate(self, node):
def decorate(text, rev):
return ([rev] * len(text.splitlines()), text)
def pair(parent, child):
for a1, a2, b1, b2 in bdiff.blocks(parent[1], child[1]):
child[0][b1:b2] = parent[0][a1:a2]
return child
# find all ancestors
needed = {node:1}
visit = [node]
while visit:
n = visit.pop(0)
for p in self.parents(n):
if p not in needed:
needed[p] = 1
visit.append(p)
else:
# count how many times we'll use this
needed[p] += 1
# sort by revision which is a topological order
visit = [ (self.rev(n), n) for n in needed.keys() ]
visit.sort()
hist = {}
for r,n in visit:
curr = decorate(self.read(n), self.linkrev(n))
for p in self.parents(n):
if p != nullid:
curr = pair(hist[p], curr)
# trim the history of unneeded revs
needed[p] -= 1
if not needed[p]:
del hist[p]
hist[n] = curr
return zip(hist[n][0], hist[n][1].splitlines(1))
class manifest(revlog):
def __init__(self, opener):
self.mapcache = None
self.listcache = None
self.addlist = None
revlog.__init__(self, opener, "00manifest.i", "00manifest.d")
def read(self, node):
if node == nullid: return {} # don't upset local cache
if self.mapcache and self.mapcache[0] == node:
return self.mapcache[1]
text = self.revision(node)
map = {}
flag = {}
self.listcache = (text, text.splitlines(1))
for l in self.listcache[1]:
(f, n) = l.split('\0')
map[f] = bin(n[:40])
flag[f] = (n[40:-1] == "x")
self.mapcache = (node, map, flag)
return map
def readflags(self, node):
if node == nullid: return {} # don't upset local cache
if not self.mapcache or self.mapcache[0] != node:
self.read(node)
return self.mapcache[2]
def diff(self, a, b):
# this is sneaky, as we're not actually using a and b
if self.listcache and self.addlist and self.listcache[0] == a:
d = mdiff.diff(self.listcache[1], self.addlist, 1)
if mdiff.patch(a, d) != b:
sys.stderr.write("*** sortdiff failed, falling back ***\n")
return mdiff.textdiff(a, b)
return d
else:
return mdiff.textdiff(a, b)
def add(self, map, flags, transaction, link, p1=None, p2=None,
changed=None):
# directly generate the mdiff delta from the data collected during
# the bisect loop below
def gendelta(delta):
i = 0
result = []
while i < len(delta):
start = delta[i][2]
end = delta[i][3]
l = delta[i][4]
if l == None:
l = ""
while i < len(delta) - 1 and start <= delta[i+1][2] \
and end >= delta[i+1][2]:
if delta[i+1][3] > end:
end = delta[i+1][3]
if delta[i+1][4]:
l += delta[i+1][4]
i += 1
result.append(struct.pack(">lll", start, end, len(l)) + l)
i += 1
return result
# apply the changes collected during the bisect loop to our addlist
def addlistdelta(addlist, delta):
# apply the deltas to the addlist. start from the bottom up
# so changes to the offsets don't mess things up.
i = len(delta)
while i > 0:
i -= 1
start = delta[i][0]
end = delta[i][1]
if delta[i][4]:
addlist[start:end] = [delta[i][4]]
else:
del addlist[start:end]
return addlist
# calculate the byte offset of the start of each line in the
# manifest
def calcoffsets(addlist):
offsets = [0] * (len(addlist) + 1)
offset = 0
i = 0
while i < len(addlist):
offsets[i] = offset
offset += len(addlist[i])
i += 1
offsets[i] = offset
return offsets
# if we're using the listcache, make sure it is valid and
# parented by the same node we're diffing against
if not changed or not self.listcache or not p1 or \
self.mapcache[0] != p1:
files = map.keys()
files.sort()
self.addlist = ["%s\000%s%s\n" %
(f, hex(map[f]), flags[f] and "x" or '')
for f in files]
cachedelta = None
else:
addlist = self.listcache[1]
# find the starting offset for each line in the add list
offsets = calcoffsets(addlist)
# combine the changed lists into one list for sorting
work = [[x, 0] for x in changed[0]]
work[len(work):] = [[x, 1] for x in changed[1]]
work.sort()
delta = []
bs = 0
for w in work:
f = w[0]
# bs will either be the index of the item or the insert point
bs = bisect.bisect(addlist, f, bs)
if bs < len(addlist):
fn = addlist[bs][:addlist[bs].index('\0')]
else:
fn = None
if w[1] == 0:
l = "%s\000%s%s\n" % (f, hex(map[f]),
flags[f] and "x" or '')
else:
l = None
start = bs
if fn != f:
# item not found, insert a new one
end = bs
if w[1] == 1:
sys.stderr.write("failed to remove %s from manifest\n"
% f)
sys.exit(1)
else:
# item is found, replace/delete the existing line
end = bs + 1
delta.append([start, end, offsets[start], offsets[end], l])
self.addlist = addlistdelta(addlist, delta)
if self.mapcache[0] == self.tip():
cachedelta = "".join(gendelta(delta))
else:
cachedelta = None
text = "".join(self.addlist)
if cachedelta and mdiff.patch(self.listcache[0], cachedelta) != text:
sys.stderr.write("manifest delta failure\n")
sys.exit(1)
n = self.addrevision(text, transaction, link, p1, p2, cachedelta)
self.mapcache = (n, map, flags)
self.listcache = (text, self.addlist)
self.addlist = None
return n
class changelog(revlog):
def __init__(self, opener):
revlog.__init__(self, opener, "00changelog.i", "00changelog.d")
def extract(self, text):
if not text:
return (nullid, "", "0", [], "")
last = text.index("\n\n")
desc = text[last + 2:]
l = text[:last].splitlines()
manifest = bin(l[0])
user = l[1]
date = l[2]
files = l[3:]
return (manifest, user, date, files, desc)
def read(self, node):
return self.extract(self.revision(node))
def add(self, manifest, list, desc, transaction, p1=None, p2=None,
user=None, date=None):
date = date or "%d %d" % (time.time(), time.timezone)
list.sort()
l = [hex(manifest), user, date] + list + ["", desc]
text = "\n".join(l)
return self.addrevision(text, transaction, self.count(), p1, p2)
class dirstate:
def __init__(self, opener, ui, root):
self.opener = opener
self.root = root
self.dirty = 0
self.ui = ui
self.map = None
self.pl = None
self.copies = {}
self.ignorefunc = None
def wjoin(self, f):
return os.path.join(self.root, f)
def getcwd(self):
cwd = os.getcwd()
if cwd == self.root: return ''
return cwd[len(self.root) + 1:]
def ignore(self, f):
if not self.ignorefunc:
bigpat = []
try:
l = file(self.wjoin(".hgignore"))
for pat in l:
if pat != "\n":
p = pat[:-1]
try:
re.compile(p)
except:
self.ui.warn("ignoring invalid ignore"
+ " regular expression '%s'\n" % p)
else:
bigpat.append(p)
except IOError: pass
if bigpat:
s = "(?:%s)" % (")|(?:".join(bigpat))
r = re.compile(s)
self.ignorefunc = r.search
else:
self.ignorefunc = util.never
return self.ignorefunc(f)
def __del__(self):
if self.dirty:
self.write()
def __getitem__(self, key):
try:
return self.map[key]
except TypeError:
self.read()
return self[key]
def __contains__(self, key):
if not self.map: self.read()
return key in self.map
def parents(self):
if not self.pl:
self.read()
return self.pl
def markdirty(self):
if not self.dirty:
self.dirty = 1
def setparents(self, p1, p2 = nullid):
self.markdirty()
self.pl = p1, p2
def state(self, key):
try:
return self[key][0]
except KeyError:
return "?"
def read(self):
if self.map is not None: return self.map
self.map = {}
self.pl = [nullid, nullid]
try:
st = self.opener("dirstate").read()
if not st: return
except: return
self.pl = [st[:20], st[20: 40]]
pos = 40
while pos < len(st):
e = struct.unpack(">cllll", st[pos:pos+17])
l = e[4]
pos += 17
f = st[pos:pos + l]
if '\0' in f:
f, c = f.split('\0')
self.copies[f] = c
self.map[f] = e[:4]
pos += l
def copy(self, source, dest):
self.read()
self.markdirty()
self.copies[dest] = source
def copied(self, file):
return self.copies.get(file, None)
def update(self, files, state, **kw):
''' current states:
n normal
m needs merging
r marked for removal
a marked for addition'''
if not files: return
self.read()
self.markdirty()
for f in files:
if state == "r":
self.map[f] = ('r', 0, 0, 0)
else:
s = os.stat(os.path.join(self.root, f))
st_size = kw.get('st_size', s.st_size)
st_mtime = kw.get('st_mtime', s.st_mtime)
self.map[f] = (state, s.st_mode, st_size, st_mtime)
def forget(self, files):
if not files: return
self.read()
self.markdirty()
for f in files:
try:
del self.map[f]
except KeyError:
self.ui.warn("not in dirstate: %s!\n" % f)
pass
def clear(self):
self.map = {}
self.markdirty()
def write(self):
st = self.opener("dirstate", "w")
st.write("".join(self.pl))
for f, e in self.map.items():
c = self.copied(f)
if c:
f = f + "\0" + c
e = struct.pack(">cllll", e[0], e[1], e[2], e[3], len(f))
st.write(e + f)
self.dirty = 0
def filterfiles(self, files):
ret = {}
unknown = []
for x in files:
if x is '.':
return self.map.copy()
if x not in self.map:
unknown.append(x)
else:
ret[x] = self.map[x]
if not unknown:
return ret
b = self.map.keys()
b.sort()
blen = len(b)
for x in unknown:
bs = bisect.bisect(b, x)
if bs != 0 and b[bs-1] == x:
ret[x] = self.map[x]
continue
while bs < blen:
s = b[bs]
if len(s) > len(x) and s.startswith(x) and s[len(x)] == '/':
ret[s] = self.map[s]
else:
break
bs += 1
return ret
def walk(self, files = None, match = util.always, dc=None):
self.read()
# walk all files by default
if not files:
files = [self.root]
if not dc:
dc = self.map.copy()
elif not dc:
dc = self.filterfiles(files)
known = {'.hg': 1}
def seen(fn):
if fn in known: return True
known[fn] = 1
def traverse():
for ff in util.unique(files):
f = os.path.join(self.root, ff)
try:
st = os.stat(f)
except OSError, inst:
if ff not in dc: self.ui.warn('%s: %s\n' % (
util.pathto(self.getcwd(), ff),
inst.strerror))
continue
if stat.S_ISDIR(st.st_mode):
for dir, subdirs, fl in os.walk(f):
d = dir[len(self.root) + 1:]
nd = util.normpath(d)
if nd == '.': nd = ''
if seen(nd):
subdirs[:] = []
continue
for sd in subdirs:
ds = os.path.join(nd, sd +'/')
if self.ignore(ds) or not match(ds):
subdirs.remove(sd)
subdirs.sort()
fl.sort()
for fn in fl:
fn = util.pconvert(os.path.join(d, fn))
yield 'f', fn
elif stat.S_ISREG(st.st_mode):
yield 'f', ff
else:
kind = 'unknown'
if stat.S_ISCHR(st.st_mode): kind = 'character device'
elif stat.S_ISBLK(st.st_mode): kind = 'block device'
elif stat.S_ISFIFO(st.st_mode): kind = 'fifo'
elif stat.S_ISLNK(st.st_mode): kind = 'symbolic link'
elif stat.S_ISSOCK(st.st_mode): kind = 'socket'
self.ui.warn('%s: unsupported file type (type is %s)\n' % (
util.pathto(self.getcwd(), ff),
kind))
ks = dc.keys()
ks.sort()
for k in ks:
yield 'm', k
# yield only files that match: all in dirstate, others only if
# not in .hgignore
for src, fn in util.unique(traverse()):
fn = util.normpath(fn)
if seen(fn): continue
if fn not in dc and self.ignore(fn):
continue
if match(fn):
yield src, fn
def changes(self, files=None, match=util.always):
self.read()
if not files:
dc = self.map.copy()
else:
dc = self.filterfiles(files)
lookup, modified, added, unknown = [], [], [], []
removed, deleted = [], []
for src, fn in self.walk(files, match, dc=dc):
try:
s = os.stat(os.path.join(self.root, fn))
except OSError:
continue
if not stat.S_ISREG(s.st_mode):
continue
c = dc.get(fn)
if c:
del dc[fn]
if c[0] == 'm':
modified.append(fn)
elif c[0] == 'a':
added.append(fn)
elif c[0] == 'r':
unknown.append(fn)
elif c[2] != s.st_size or (c[1] ^ s.st_mode) & 0100:
modified.append(fn)
elif c[3] != s.st_mtime:
lookup.append(fn)
else:
unknown.append(fn)
for fn, c in [(fn, c) for fn, c in dc.items() if match(fn)]:
if c[0] == 'r':
removed.append(fn)
else:
deleted.append(fn)
return (lookup, modified, added, removed + deleted, unknown)
# used to avoid circular references so destructors work
def opener(base):
p = base
def o(path, mode="r"):
if p.startswith("http://"):
f = os.path.join(p, urllib.quote(path))
return httprangereader.httprangereader(f)
f = os.path.join(p, path)
mode += "b" # for that other OS
if mode[0] != "r":
try:
s = os.stat(f)
except OSError:
d = os.path.dirname(f)
if not os.path.isdir(d):
os.makedirs(d)
else:
if s.st_nlink > 1:
file(f + ".tmp", "wb").write(file(f, "rb").read())
util.rename(f+".tmp", f)
return file(f, mode)
return o
class RepoError(Exception): pass
class localrepository:
def __init__(self, ui, path=None, create=0):
self.remote = 0
if path and path.startswith("http://"):
self.remote = 1
self.path = path
else:
if not path:
p = os.getcwd()
while not os.path.isdir(os.path.join(p, ".hg")):
oldp = p
p = os.path.dirname(p)
if p == oldp: raise RepoError("no repo found")
path = p
self.path = os.path.join(path, ".hg")
if not create and not os.path.isdir(self.path):
raise RepoError("repository %s not found" % self.path)
self.root = path
self.ui = ui
if create:
os.mkdir(self.path)
os.mkdir(self.join("data"))
self.opener = opener(self.path)
self.wopener = opener(self.root)
self.manifest = manifest(self.opener)
self.changelog = changelog(self.opener)
self.tagscache = None
self.nodetagscache = None
if not self.remote:
self.dirstate = dirstate(self.opener, ui, self.root)
try:
self.ui.readconfig(self.opener("hgrc"))
except IOError: pass
def hook(self, name, **args):
s = self.ui.config("hooks", name)
if s:
self.ui.note("running hook %s: %s\n" % (name, s))
old = {}
for k, v in args.items():
k = k.upper()
old[k] = os.environ.get(k, None)
os.environ[k] = v
r = os.system(s)
for k, v in old.items():
if v != None:
os.environ[k] = v
else:
del os.environ[k]
if r:
self.ui.warn("abort: %s hook failed with status %d!\n" %
(name, r))
return False
return True
def tags(self):
'''return a mapping of tag to node'''
if not self.tagscache:
self.tagscache = {}
def addtag(self, k, n):
try:
bin_n = bin(n)
except TypeError:
bin_n = ''
self.tagscache[k.strip()] = bin_n
try:
# read each head of the tags file, ending with the tip
# and add each tag found to the map, with "newer" ones
# taking precedence
fl = self.file(".hgtags")
h = fl.heads()
h.reverse()
for r in h:
for l in fl.revision(r).splitlines():
if l:
n, k = l.split(" ", 1)
addtag(self, k, n)
except KeyError:
pass
try:
f = self.opener("localtags")
for l in f:
n, k = l.split(" ", 1)
addtag(self, k, n)
except IOError:
pass
self.tagscache['tip'] = self.changelog.tip()
return self.tagscache
def tagslist(self):
'''return a list of tags ordered by revision'''
l = []
for t, n in self.tags().items():
try:
r = self.changelog.rev(n)
except:
r = -2 # sort to the beginning of the list if unknown
l.append((r,t,n))
l.sort()
return [(t,n) for r,t,n in l]
def nodetags(self, node):
'''return the tags associated with a node'''
if not self.nodetagscache:
self.nodetagscache = {}
for t,n in self.tags().items():
self.nodetagscache.setdefault(n,[]).append(t)
return self.nodetagscache.get(node, [])
def lookup(self, key):
try:
return self.tags()[key]
except KeyError:
try:
return self.changelog.lookup(key)
except:
raise RepoError("unknown revision '%s'" % key)
def dev(self):
if self.remote: return -1
return os.stat(self.path).st_dev
def join(self, f):
return os.path.join(self.path, f)
def wjoin(self, f):
return os.path.join(self.root, f)
def file(self, f):
if f[0] == '/': f = f[1:]
return filelog(self.opener, f)
def getcwd(self):
return self.dirstate.getcwd()
def wfile(self, f, mode='r'):
return self.wopener(f, mode)
def transaction(self):
# save dirstate for undo
try:
ds = self.opener("dirstate").read()
except IOError:
ds = ""
self.opener("journal.dirstate", "w").write(ds)
def after():
util.rename(self.join("journal"), self.join("undo"))
util.rename(self.join("journal.dirstate"),
self.join("undo.dirstate"))
return transaction.transaction(self.ui.warn, self.opener,
self.join("journal"), after)
def recover(self):
lock = self.lock()
if os.path.exists(self.join("journal")):
self.ui.status("rolling back interrupted transaction\n")
return transaction.rollback(self.opener, self.join("journal"))
else:
self.ui.warn("no interrupted transaction available\n")
def undo(self):
lock = self.lock()
if os.path.exists(self.join("undo")):
self.ui.status("rolling back last transaction\n")
transaction.rollback(self.opener, self.join("undo"))
self.dirstate = None
util.rename(self.join("undo.dirstate"), self.join("dirstate"))
self.dirstate = dirstate(self.opener, self.ui, self.root)
else:
self.ui.warn("no undo information available\n")
def lock(self, wait = 1):
try:
return lock.lock(self.join("lock"), 0)
except lock.LockHeld, inst:
if wait:
self.ui.warn("waiting for lock held by %s\n" % inst.args[0])
return lock.lock(self.join("lock"), wait)
raise inst
def rawcommit(self, files, text, user, date, p1=None, p2=None):
orig_parent = self.dirstate.parents()[0] or nullid
p1 = p1 or self.dirstate.parents()[0] or nullid
p2 = p2 or self.dirstate.parents()[1] or nullid
c1 = self.changelog.read(p1)
c2 = self.changelog.read(p2)
m1 = self.manifest.read(c1[0])
mf1 = self.manifest.readflags(c1[0])
m2 = self.manifest.read(c2[0])
if orig_parent == p1:
update_dirstate = 1
else:
update_dirstate = 0
tr = self.transaction()
mm = m1.copy()
mfm = mf1.copy()
linkrev = self.changelog.count()
for f in files:
try:
t = self.wfile(f).read()
tm = util.is_exec(self.wjoin(f), mfm.get(f, False))
r = self.file(f)
mfm[f] = tm
mm[f] = r.add(t, {}, tr, linkrev,
m1.get(f, nullid), m2.get(f, nullid))
if update_dirstate:
self.dirstate.update([f], "n")
except IOError:
try:
del mm[f]
del mfm[f]
if update_dirstate:
self.dirstate.forget([f])
except:
# deleted from p2?
pass
mnode = self.manifest.add(mm, mfm, tr, linkrev, c1[0], c2[0])
user = user or self.ui.username()
n = self.changelog.add(mnode, files, text, tr, p1, p2, user, date)
tr.close()
if update_dirstate:
self.dirstate.setparents(n, nullid)
def commit(self, files = None, text = "", user = None, date = None,
match = util.always, force=False):
commit = []
remove = []
if files:
for f in files:
s = self.dirstate.state(f)
if s in 'nmai':
commit.append(f)
elif s == 'r':
remove.append(f)
else:
self.ui.warn("%s not tracked!\n" % f)
else:
(c, a, d, u) = self.changes(match = match)
commit = c + a
remove = d
if not commit and not remove and not force:
self.ui.status("nothing changed\n")
return None
if not self.hook("precommit"):
return None
p1, p2 = self.dirstate.parents()
c1 = self.changelog.read(p1)
c2 = self.changelog.read(p2)
m1 = self.manifest.read(c1[0])
mf1 = self.manifest.readflags(c1[0])
m2 = self.manifest.read(c2[0])
lock = self.lock()
tr = self.transaction()
# check in files
new = {}
linkrev = self.changelog.count()
commit.sort()
for f in commit:
self.ui.note(f + "\n")
try:
mf1[f] = util.is_exec(self.wjoin(f), mf1.get(f, False))
t = self.wfile(f).read()
except IOError:
self.ui.warn("trouble committing %s!\n" % f)
raise
meta = {}
cp = self.dirstate.copied(f)
if cp:
meta["copy"] = cp
meta["copyrev"] = hex(m1.get(cp, m2.get(cp, nullid)))
self.ui.debug(" %s: copy %s:%s\n" % (f, cp, meta["copyrev"]))
r = self.file(f)
fp1 = m1.get(f, nullid)
fp2 = m2.get(f, nullid)
new[f] = r.add(t, meta, tr, linkrev, fp1, fp2)
# update manifest
m1.update(new)
for f in remove:
if f in m1:
del m1[f]
mn = self.manifest.add(m1, mf1, tr, linkrev, c1[0], c2[0],
(new, remove))
# add changeset
new = new.keys()
new.sort()
if not text:
edittext = "\n" + "HG: manifest hash %s\n" % hex(mn)
edittext += "".join(["HG: changed %s\n" % f for f in new])
edittext += "".join(["HG: removed %s\n" % f for f in remove])
edittext = self.ui.edit(edittext)
if not edittext.rstrip():
return None
text = edittext
user = user or self.ui.username()
n = self.changelog.add(mn, new, text, tr, p1, p2, user, date)
tr.close()
self.dirstate.setparents(n)
self.dirstate.update(new, "n")
self.dirstate.forget(remove)
if not self.hook("commit", node=hex(n)):
return None
return n
def walk(self, node = None, files = [], match = util.always):
if node:
for fn in self.manifest.read(self.changelog.read(node)[0]):
if match(fn): yield 'm', fn
else:
for src, fn in self.dirstate.walk(files, match):
yield src, fn
def changes(self, node1 = None, node2 = None, files = [],
match = util.always):
mf2, u = None, []
def fcmp(fn, mf):
t1 = self.wfile(fn).read()
t2 = self.file(fn).revision(mf[fn])
return cmp(t1, t2)
def mfmatches(node):
mf = dict(self.manifest.read(node))
for fn in mf.keys():
if not match(fn):
del mf[fn]
return mf
# are we comparing the working directory?
if not node2:
l, c, a, d, u = self.dirstate.changes(files, match)
# are we comparing working dir against its parent?
if not node1:
if l:
# do a full compare of any files that might have changed
change = self.changelog.read(self.dirstate.parents()[0])
mf2 = mfmatches(change[0])
for f in l:
if fcmp(f, mf2):
c.append(f)
for l in c, a, d, u:
l.sort()
return (c, a, d, u)
# are we comparing working dir against non-tip?
# generate a pseudo-manifest for the working dir
if not node2:
if not mf2:
change = self.changelog.read(self.dirstate.parents()[0])
mf2 = mfmatches(change[0])
for f in a + c + l:
mf2[f] = ""
for f in d:
if f in mf2: del mf2[f]
else:
change = self.changelog.read(node2)
mf2 = mfmatches(change[0])
# flush lists from dirstate before comparing manifests
c, a = [], []
change = self.changelog.read(node1)
mf1 = mfmatches(change[0])
for fn in mf2:
if mf1.has_key(fn):
if mf1[fn] != mf2[fn]:
if mf2[fn] != "" or fcmp(fn, mf1):
c.append(fn)
del mf1[fn]
else:
a.append(fn)
d = mf1.keys()
for l in c, a, d, u:
l.sort()
return (c, a, d, u)
def add(self, list):
for f in list:
p = self.wjoin(f)
if not os.path.exists(p):
self.ui.warn("%s does not exist!\n" % f)
elif not os.path.isfile(p):
self.ui.warn("%s not added: only files supported currently\n" % f)
elif self.dirstate.state(f) in 'an':
self.ui.warn("%s already tracked!\n" % f)
else:
self.dirstate.update([f], "a")
def forget(self, list):
for f in list:
if self.dirstate.state(f) not in 'ai':
self.ui.warn("%s not added!\n" % f)
else:
self.dirstate.forget([f])
def remove(self, list):
for f in list:
p = self.wjoin(f)
if os.path.exists(p):
self.ui.warn("%s still exists!\n" % f)
elif self.dirstate.state(f) == 'a':
self.ui.warn("%s never committed!\n" % f)
self.dirstate.forget([f])
elif f not in self.dirstate:
self.ui.warn("%s not tracked!\n" % f)
else:
self.dirstate.update([f], "r")
def copy(self, source, dest):
p = self.wjoin(dest)
if not os.path.exists(p):
self.ui.warn("%s does not exist!\n" % dest)
elif not os.path.isfile(p):
self.ui.warn("copy failed: %s is not a file\n" % dest)
else:
if self.dirstate.state(dest) == '?':
self.dirstate.update([dest], "a")
self.dirstate.copy(source, dest)
def heads(self):
return self.changelog.heads()
# branchlookup returns a dict giving a list of branches for
# each head. A branch is defined as the tag of a node or
# the branch of the node's parents. If a node has multiple
# branch tags, tags are eliminated if they are visible from other
# branch tags.
#
# So, for this graph: a->b->c->d->e
# \ /
# aa -----/
# a has tag 2.6.12
# d has tag 2.6.13
# e would have branch tags for 2.6.12 and 2.6.13. Because the node
# for 2.6.12 can be reached from the node 2.6.13, that is eliminated
# from the list.
#
# It is possible that more than one head will have the same branch tag.
# callers need to check the result for multiple heads under the same
# branch tag if that is a problem for them (ie checkout of a specific
# branch).
#
# passing in a specific branch will limit the depth of the search
# through the parents. It won't limit the branches returned in the
# result though.
def branchlookup(self, heads=None, branch=None):
if not heads:
heads = self.heads()
headt = [ h for h in heads ]
chlog = self.changelog
branches = {}
merges = []
seenmerge = {}
# traverse the tree once for each head, recording in the branches
# dict which tags are visible from this head. The branches
# dict also records which tags are visible from each tag
# while we traverse.
while headt or merges:
if merges:
n, found = merges.pop()
visit = [n]
else:
h = headt.pop()
visit = [h]
found = [h]
seen = {}
while visit:
n = visit.pop()
if n in seen:
continue
pp = chlog.parents(n)
tags = self.nodetags(n)
if tags:
for x in tags:
if x == 'tip':
continue
for f in found:
branches.setdefault(f, {})[n] = 1
branches.setdefault(n, {})[n] = 1
break
if n not in found:
found.append(n)
if branch in tags:
continue
seen[n] = 1
if pp[1] != nullid and n not in seenmerge:
merges.append((pp[1], [x for x in found]))
seenmerge[n] = 1
if pp[0] != nullid:
visit.append(pp[0])
# traverse the branches dict, eliminating branch tags from each
# head that are visible from another branch tag for that head.
out = {}
viscache = {}
for h in heads:
def visible(node):
if node in viscache:
return viscache[node]
ret = {}
visit = [node]
while visit:
x = visit.pop()
if x in viscache:
ret.update(viscache[x])
elif x not in ret:
ret[x] = 1
if x in branches:
visit[len(visit):] = branches[x].keys()
viscache[node] = ret
return ret
if h not in branches:
continue
# O(n^2), but somewhat limited. This only searches the
# tags visible from a specific head, not all the tags in the
# whole repo.
for b in branches[h]:
vis = False
for bb in branches[h].keys():
if b != bb:
if b in visible(bb):
vis = True
break
if not vis:
l = out.setdefault(h, [])
l[len(l):] = self.nodetags(b)
return out
def branches(self, nodes):
if not nodes: nodes = [self.changelog.tip()]
b = []
for n in nodes:
t = n
while n:
p = self.changelog.parents(n)
if p[1] != nullid or p[0] == nullid:
b.append((t, n, p[0], p[1]))
break
n = p[0]
return b
def between(self, pairs):
r = []
for top, bottom in pairs:
n, l, i = top, [], 0
f = 1
while n != bottom:
p = self.changelog.parents(n)[0]
if i == f:
l.append(n)
f = f * 2
n = p
i += 1
r.append(l)
return r
def newer(self, nodes):
m = {}
nl = []
pm = {}
cl = self.changelog
t = l = cl.count()
# find the lowest numbered node
for n in nodes:
l = min(l, cl.rev(n))
m[n] = 1
for i in xrange(l, t):
n = cl.node(i)
if n in m: # explicitly listed
pm[n] = 1
nl.append(n)
continue
for p in cl.parents(n):
if p in pm: # parent listed
pm[n] = 1
nl.append(n)
break
return nl
def findincoming(self, remote, base=None, heads=None):
m = self.changelog.nodemap
search = []
fetch = []
seen = {}
seenbranch = {}
if base == None:
base = {}
# assume we're closer to the tip than the root
# and start by examining the heads
self.ui.status("searching for changes\n")
if not heads:
heads = remote.heads()
unknown = []
for h in heads:
if h not in m:
unknown.append(h)
else:
base[h] = 1
if not unknown:
return None
rep = {}
reqcnt = 0
# search through remote branches
# a 'branch' here is a linear segment of history, with four parts:
# head, root, first parent, second parent
# (a branch always has two parents (or none) by definition)
unknown = remote.branches(unknown)
while unknown:
r = []
while unknown:
n = unknown.pop(0)
if n[0] in seen:
continue
self.ui.debug("examining %s:%s\n" % (short(n[0]), short(n[1])))
if n[0] == nullid:
break
if n in seenbranch:
self.ui.debug("branch already found\n")
continue
if n[1] and n[1] in m: # do we know the base?
self.ui.debug("found incomplete branch %s:%s\n"
% (short(n[0]), short(n[1])))
search.append(n) # schedule branch range for scanning
seenbranch[n] = 1
else:
if n[1] not in seen and n[1] not in fetch:
if n[2] in m and n[3] in m:
self.ui.debug("found new changeset %s\n" %
short(n[1]))
fetch.append(n[1]) # earliest unknown
base[n[2]] = 1 # latest known
continue
for a in n[2:4]:
if a not in rep:
r.append(a)
rep[a] = 1
seen[n[0]] = 1
if r:
reqcnt += 1
self.ui.debug("request %d: %s\n" %
(reqcnt, " ".join(map(short, r))))
for p in range(0, len(r), 10):
for b in remote.branches(r[p:p+10]):
self.ui.debug("received %s:%s\n" %
(short(b[0]), short(b[1])))
if b[0] not in m and b[0] not in seen:
unknown.append(b)
# do binary search on the branches we found
while search:
n = search.pop(0)
reqcnt += 1
l = remote.between([(n[0], n[1])])[0]
l.append(n[1])
p = n[0]
f = 1
for i in l:
self.ui.debug("narrowing %d:%d %s\n" % (f, len(l), short(i)))
if i in m:
if f <= 2:
self.ui.debug("found new branch changeset %s\n" %
short(p))
fetch.append(p)
base[i] = 1
else:
self.ui.debug("narrowed branch search to %s:%s\n"
% (short(p), short(i)))
search.append((p, i))
break
p, f = i, f * 2
# sanity check our fetch list
for f in fetch:
if f in m:
raise RepoError("already have changeset " + short(f[:4]))
if base.keys() == [nullid]:
self.ui.warn("warning: pulling from an unrelated repository!\n")
self.ui.note("adding new changesets starting at " +
" ".join([short(f) for f in fetch]) + "\n")
self.ui.debug("%d total queries\n" % reqcnt)
return fetch
def findoutgoing(self, remote, base=None, heads=None):
if base == None:
base = {}
self.findincoming(remote, base, heads)
remain = dict.fromkeys(self.changelog.nodemap)
# prune everything remote has from the tree
del remain[nullid]
remove = base.keys()
while remove:
n = remove.pop(0)
if n in remain:
del remain[n]
for p in self.changelog.parents(n):
remove.append(p)
# find every node whose parents have been pruned
subset = []
for n in remain:
p1, p2 = self.changelog.parents(n)
if p1 not in remain and p2 not in remain:
subset.append(n)
# this is the set of all roots we have to push
return subset
def pull(self, remote):
lock = self.lock()
# if we have an empty repo, fetch everything
if self.changelog.tip() == nullid:
self.ui.status("requesting all changes\n")
fetch = [nullid]
else:
fetch = self.findincoming(remote)
if not fetch:
self.ui.status("no changes found\n")
return 1
cg = remote.changegroup(fetch)
return self.addchangegroup(cg)
def push(self, remote, force=False):
lock = remote.lock()
base = {}
heads = remote.heads()
inc = self.findincoming(remote, base, heads)
if not force and inc:
self.ui.warn("abort: unsynced remote changes!\n")
self.ui.status("(did you forget to sync? use push -f to force)\n")
return 1
update = self.findoutgoing(remote, base)
if not update:
self.ui.status("no changes found\n")
return 1
elif not force:
if len(heads) < len(self.changelog.heads()):
self.ui.warn("abort: push creates new remote branches!\n")
self.ui.status("(did you forget to merge?" +
" use push -f to force)\n")
return 1
cg = self.changegroup(update)
return remote.addchangegroup(cg)
def changegroup(self, basenodes):
class genread:
def __init__(self, generator):
self.g = generator
self.buf = ""
def read(self, l):
while l > len(self.buf):
try:
self.buf += self.g.next()
except StopIteration:
break
d, self.buf = self.buf[:l], self.buf[l:]
return d
def gengroup():
nodes = self.newer(basenodes)
# construct the link map
linkmap = {}
for n in nodes:
linkmap[self.changelog.rev(n)] = n
# construct a list of all changed files
changed = {}
for n in nodes:
c = self.changelog.read(n)
for f in c[3]:
changed[f] = 1
changed = changed.keys()
changed.sort()
# the changegroup is changesets + manifests + all file revs
revs = [ self.changelog.rev(n) for n in nodes ]
for y in self.changelog.group(linkmap): yield y
for y in self.manifest.group(linkmap): yield y
for f in changed:
yield struct.pack(">l", len(f) + 4) + f
g = self.file(f).group(linkmap)
for y in g:
yield y
yield struct.pack(">l", 0)
return genread(gengroup())
def addchangegroup(self, source):
def getchunk():
d = source.read(4)
if not d: return ""
l = struct.unpack(">l", d)[0]
if l <= 4: return ""
return source.read(l - 4)
def getgroup():
while 1:
c = getchunk()
if not c: break
yield c
def csmap(x):
self.ui.debug("add changeset %s\n" % short(x))
return self.changelog.count()
def revmap(x):
return self.changelog.rev(x)
if not source: return
changesets = files = revisions = 0
tr = self.transaction()
# pull off the changeset group
self.ui.status("adding changesets\n")
co = self.changelog.tip()
cn = self.changelog.addgroup(getgroup(), csmap, tr, 1) # unique
changesets = self.changelog.rev(cn) - self.changelog.rev(co)
# pull off the manifest group
self.ui.status("adding manifests\n")
mm = self.manifest.tip()
mo = self.manifest.addgroup(getgroup(), revmap, tr)
# process the files
self.ui.status("adding file changes\n")
while 1:
f = getchunk()
if not f: break
self.ui.debug("adding %s revisions\n" % f)
fl = self.file(f)
o = fl.count()
n = fl.addgroup(getgroup(), revmap, tr)
revisions += fl.count() - o
files += 1
self.ui.status(("added %d changesets" +
" with %d changes to %d files\n")
% (changesets, revisions, files))
tr.close()
if not self.hook("changegroup"):
return 1
return
def update(self, node, allow=False, force=False, choose=None,
moddirstate=True):
pl = self.dirstate.parents()
if not force and pl[1] != nullid:
self.ui.warn("aborting: outstanding uncommitted merges\n")
return 1
p1, p2 = pl[0], node
pa = self.changelog.ancestor(p1, p2)
m1n = self.changelog.read(p1)[0]
m2n = self.changelog.read(p2)[0]
man = self.manifest.ancestor(m1n, m2n)
m1 = self.manifest.read(m1n)
mf1 = self.manifest.readflags(m1n)
m2 = self.manifest.read(m2n)
mf2 = self.manifest.readflags(m2n)
ma = self.manifest.read(man)
mfa = self.manifest.readflags(man)
(c, a, d, u) = self.changes()
# is this a jump, or a merge? i.e. is there a linear path
# from p1 to p2?
linear_path = (pa == p1 or pa == p2)
# resolve the manifest to determine which files
# we care about merging
self.ui.note("resolving manifests\n")
self.ui.debug(" force %s allow %s moddirstate %s linear %s\n" %
(force, allow, moddirstate, linear_path))
self.ui.debug(" ancestor %s local %s remote %s\n" %
(short(man), short(m1n), short(m2n)))
merge = {}
get = {}
remove = []
mark = {}
# construct a working dir manifest
mw = m1.copy()
mfw = mf1.copy()
umap = dict.fromkeys(u)
for f in a + c + u:
mw[f] = ""
mfw[f] = util.is_exec(self.wjoin(f), mfw.get(f, False))
for f in d:
if f in mw: del mw[f]
# If we're jumping between revisions (as opposed to merging),
# and if neither the working directory nor the target rev has
# the file, then we need to remove it from the dirstate, to
# prevent the dirstate from listing the file when it is no
# longer in the manifest.
if moddirstate and linear_path and f not in m2:
self.dirstate.forget((f,))
# Compare manifests
for f, n in mw.iteritems():
if choose and not choose(f): continue
if f in m2:
s = 0
# is the wfile new since m1, and match m2?
if f not in m1:
t1 = self.wfile(f).read()
t2 = self.file(f).revision(m2[f])
if cmp(t1, t2) == 0:
mark[f] = 1
n = m2[f]
del t1, t2
# are files different?
if n != m2[f]:
a = ma.get(f, nullid)
# are both different from the ancestor?
if n != a and m2[f] != a:
self.ui.debug(" %s versions differ, resolve\n" % f)
# merge executable bits
# "if we changed or they changed, change in merge"
a, b, c = mfa.get(f, 0), mfw[f], mf2[f]
mode = ((a^b) | (a^c)) ^ a
merge[f] = (m1.get(f, nullid), m2[f], mode)
s = 1
# are we clobbering?
# is remote's version newer?
# or are we going back in time?
elif force or m2[f] != a or (p2 == pa and mw[f] == m1[f]):
self.ui.debug(" remote %s is newer, get\n" % f)
get[f] = m2[f]
s = 1
else:
mark[f] = 1
elif f in umap:
# this unknown file is the same as the checkout
get[f] = m2[f]
if not s and mfw[f] != mf2[f]:
if force:
self.ui.debug(" updating permissions for %s\n" % f)
util.set_exec(self.wjoin(f), mf2[f])
else:
a, b, c = mfa.get(f, 0), mfw[f], mf2[f]
mode = ((a^b) | (a^c)) ^ a
if mode != b:
self.ui.debug(" updating permissions for %s\n" % f)
util.set_exec(self.wjoin(f), mode)
mark[f] = 1
del m2[f]
elif f in ma:
if n != ma[f]:
r = "d"
if not force and (linear_path or allow):
r = self.ui.prompt(
(" local changed %s which remote deleted\n" % f) +
"(k)eep or (d)elete?", "[kd]", "k")
if r == "d":
remove.append(f)
else:
self.ui.debug("other deleted %s\n" % f)
remove.append(f) # other deleted it
else:
if n == m1.get(f, nullid): # same as parent
if p2 == pa: # going backwards?
self.ui.debug("remote deleted %s\n" % f)
remove.append(f)
else:
self.ui.debug("local created %s, keeping\n" % f)
else:
self.ui.debug("working dir created %s, keeping\n" % f)
for f, n in m2.iteritems():
if choose and not choose(f): continue
if f[0] == "/": continue
if f in ma and n != ma[f]:
r = "k"
if not force and (linear_path or allow):
r = self.ui.prompt(
("remote changed %s which local deleted\n" % f) +
"(k)eep or (d)elete?", "[kd]", "k")
if r == "k": get[f] = n
elif f not in ma:
self.ui.debug("remote created %s\n" % f)
get[f] = n
else:
if force or p2 == pa: # going backwards?
self.ui.debug("local deleted %s, recreating\n" % f)
get[f] = n
else:
self.ui.debug("local deleted %s\n" % f)
del mw, m1, m2, ma
if force:
for f in merge:
get[f] = merge[f][1]
merge = {}
if linear_path or force:
# we don't need to do any magic, just jump to the new rev
mode = 'n'
p1, p2 = p2, nullid
else:
if not allow:
self.ui.status("this update spans a branch" +
" affecting the following files:\n")
fl = merge.keys() + get.keys()
fl.sort()
for f in fl:
cf = ""
if f in merge: cf = " (resolve)"
self.ui.status(" %s%s\n" % (f, cf))
self.ui.warn("aborting update spanning branches!\n")
self.ui.status("(use update -m to merge across branches" +
" or -C to lose changes)\n")
return 1
# we have to remember what files we needed to get/change
# because any file that's different from either one of its
# parents must be in the changeset
mode = 'm'
if moddirstate:
self.dirstate.update(mark.keys(), "m")
if moddirstate:
self.dirstate.setparents(p1, p2)
# get the files we don't need to change
files = get.keys()
files.sort()
for f in files:
if f[0] == "/": continue
self.ui.note("getting %s\n" % f)
t = self.file(f).read(get[f])
try:
self.wfile(f, "w").write(t)
except IOError:
os.makedirs(os.path.dirname(self.wjoin(f)))
self.wfile(f, "w").write(t)
util.set_exec(self.wjoin(f), mf2[f])
if moddirstate:
self.dirstate.update([f], mode)
# merge the tricky bits
files = merge.keys()
files.sort()
for f in files:
self.ui.status("merging %s\n" % f)
m, o, flag = merge[f]
self.merge3(f, m, o)
util.set_exec(self.wjoin(f), flag)
if moddirstate:
if mode == 'm':
# only update dirstate on branch merge, otherwise we
# could mark files with changes as unchanged
self.dirstate.update([f], mode)
elif p2 == nullid:
# update dirstate from parent1's manifest
m1n = self.changelog.read(p1)[0]
m1 = self.manifest.read(m1n)
f_len = len(self.file(f).read(m1[f]))
self.dirstate.update([f], mode, st_size=f_len, st_mtime=0)
else:
self.ui.warn("Second parent without branch merge!?\n"
"Dirstate for file %s may be wrong.\n" % f)
remove.sort()
for f in remove:
self.ui.note("removing %s\n" % f)
try:
os.unlink(f)
except OSError, inst:
self.ui.warn("update failed to remove %s: %s!\n" % (f, inst))
# try removing directories that might now be empty
try: os.removedirs(os.path.dirname(f))
except: pass
if moddirstate:
if mode == 'n':
self.dirstate.forget(remove)
else:
self.dirstate.update(remove, 'r')
def merge3(self, fn, my, other):
"""perform a 3-way merge in the working directory"""
def temp(prefix, node):
pre = "%s~%s." % (os.path.basename(fn), prefix)
(fd, name) = tempfile.mkstemp("", pre)
f = os.fdopen(fd, "wb")
f.write(fl.revision(node))
f.close()
return name
fl = self.file(fn)
base = fl.ancestor(my, other)
a = self.wjoin(fn)
b = temp("base", base)
c = temp("other", other)
self.ui.note("resolving %s\n" % fn)
self.ui.debug("file %s: other %s ancestor %s\n" %
(fn, short(other), short(base)))
cmd = (os.environ.get("HGMERGE") or self.ui.config("ui", "merge")
or "hgmerge")
r = os.system("%s %s %s %s" % (cmd, a, b, c))
if r:
self.ui.warn("merging %s failed!\n" % fn)
os.unlink(b)
os.unlink(c)
def verify(self):
filelinkrevs = {}
filenodes = {}
changesets = revisions = files = 0
errors = 0
seen = {}
self.ui.status("checking changesets\n")
for i in range(self.changelog.count()):
changesets += 1
n = self.changelog.node(i)
if n in seen:
self.ui.warn("duplicate changeset at revision %d\n" % i)
errors += 1
seen[n] = 1
for p in self.changelog.parents(n):
if p not in self.changelog.nodemap:
self.ui.warn("changeset %s has unknown parent %s\n" %
(short(n), short(p)))
errors += 1
try:
changes = self.changelog.read(n)
except Exception, inst:
self.ui.warn("unpacking changeset %s: %s\n" % (short(n), inst))
errors += 1
for f in changes[3]:
filelinkrevs.setdefault(f, []).append(i)
seen = {}
self.ui.status("checking manifests\n")
for i in range(self.manifest.count()):
n = self.manifest.node(i)
if n in seen:
self.ui.warn("duplicate manifest at revision %d\n" % i)
errors += 1
seen[n] = 1
for p in self.manifest.parents(n):
if p not in self.manifest.nodemap:
self.ui.warn("manifest %s has unknown parent %s\n" %
(short(n), short(p)))
errors += 1
try:
delta = mdiff.patchtext(self.manifest.delta(n))
except KeyboardInterrupt:
self.ui.warn("aborted")
sys.exit(0)
except Exception, inst:
self.ui.warn("unpacking manifest %s: %s\n"
% (short(n), inst))
errors += 1
ff = [ l.split('\0') for l in delta.splitlines() ]
for f, fn in ff:
filenodes.setdefault(f, {})[bin(fn[:40])] = 1
self.ui.status("crosschecking files in changesets and manifests\n")
for f in filenodes:
if f not in filelinkrevs:
self.ui.warn("file %s in manifest but not in changesets\n" % f)
errors += 1
for f in filelinkrevs:
if f not in filenodes:
self.ui.warn("file %s in changeset but not in manifest\n" % f)
errors += 1
self.ui.status("checking files\n")
ff = filenodes.keys()
ff.sort()
for f in ff:
if f == "/dev/null": continue
files += 1
fl = self.file(f)
nodes = { nullid: 1 }
seen = {}
for i in range(fl.count()):
revisions += 1
n = fl.node(i)
if n in seen:
self.ui.warn("%s: duplicate revision %d\n" % (f, i))
errors += 1
if n not in filenodes[f]:
self.ui.warn("%s: %d:%s not in manifests\n"
% (f, i, short(n)))
errors += 1
else:
del filenodes[f][n]
flr = fl.linkrev(n)
if flr not in filelinkrevs[f]:
self.ui.warn("%s:%s points to unexpected changeset %d\n"
% (f, short(n), fl.linkrev(n)))
errors += 1
else:
filelinkrevs[f].remove(flr)
# verify contents
try:
t = fl.read(n)
except Exception, inst:
self.ui.warn("unpacking file %s %s: %s\n"
% (f, short(n), inst))
errors += 1
# verify parents
(p1, p2) = fl.parents(n)
if p1 not in nodes:
self.ui.warn("file %s:%s unknown parent 1 %s" %
(f, short(n), short(p1)))
errors += 1
if p2 not in nodes:
self.ui.warn("file %s:%s unknown parent 2 %s" %
(f, short(n), short(p1)))
errors += 1
nodes[n] = 1
# cross-check
for node in filenodes[f]:
self.ui.warn("node %s in manifests not in %s\n"
% (hex(node), f))
errors += 1
self.ui.status("%d files, %d changesets, %d total revisions\n" %
(files, changesets, revisions))
if errors:
self.ui.warn("%d integrity errors encountered!\n" % errors)
return 1
class httprepository:
def __init__(self, ui, path):
# fix missing / after hostname
s = urlparse.urlsplit(path)
partial = s[2]
if not partial: partial = "/"
self.url = urlparse.urlunsplit((s[0], s[1], partial, '', ''))
self.ui = ui
no_list = [ "localhost", "127.0.0.1" ]
host = ui.config("http_proxy", "host")
if host is None:
host = os.environ.get("http_proxy")
if host and host.startswith('http://'):
host = host[7:]
user = ui.config("http_proxy", "user")
passwd = ui.config("http_proxy", "passwd")
no = ui.config("http_proxy", "no")
if no is None:
no = os.environ.get("no_proxy")
if no:
no_list = no_list + no.split(",")
no_proxy = 0
for h in no_list:
if (path.startswith("http://" + h + "/") or
path.startswith("http://" + h + ":") or
path == "http://" + h):
no_proxy = 1
# Note: urllib2 takes proxy values from the environment and those will
# take precedence
for env in ["HTTP_PROXY", "http_proxy", "no_proxy"]:
try:
if os.environ.has_key(env):
del os.environ[env]
except OSError:
pass
proxy_handler = urllib2.BaseHandler()
if host and not no_proxy:
proxy_handler = urllib2.ProxyHandler({"http" : "http://" + host})
authinfo = None
if user and passwd:
passmgr = urllib2.HTTPPasswordMgrWithDefaultRealm()
passmgr.add_password(None, host, user, passwd)
authinfo = urllib2.ProxyBasicAuthHandler(passmgr)
opener = urllib2.build_opener(proxy_handler, authinfo)
urllib2.install_opener(opener)
def dev(self):
return -1
def do_cmd(self, cmd, **args):
self.ui.debug("sending %s command\n" % cmd)
q = {"cmd": cmd}
q.update(args)
qs = urllib.urlencode(q)
cu = "%s?%s" % (self.url, qs)
resp = urllib2.urlopen(cu)
proto = resp.headers['content-type']
# accept old "text/plain" and "application/hg-changegroup" for now
if not proto.startswith('application/mercurial') and \
not proto.startswith('text/plain') and \
not proto.startswith('application/hg-changegroup'):
raise RepoError("'%s' does not appear to be an hg repository"
% self.url)
if proto.startswith('application/mercurial'):
version = proto[22:]
if float(version) > 0.1:
raise RepoError("'%s' uses newer protocol %s" %
(self.url, version))
return resp
def heads(self):
d = self.do_cmd("heads").read()
try:
return map(bin, d[:-1].split(" "))
except:
self.ui.warn("unexpected response:\n" + d[:400] + "\n...\n")
raise
def branches(self, nodes):
n = " ".join(map(hex, nodes))
d = self.do_cmd("branches", nodes=n).read()
try:
br = [ tuple(map(bin, b.split(" "))) for b in d.splitlines() ]
return br
except:
self.ui.warn("unexpected response:\n" + d[:400] + "\n...\n")
raise
def between(self, pairs):
n = "\n".join(["-".join(map(hex, p)) for p in pairs])
d = self.do_cmd("between", pairs=n).read()
try:
p = [ l and map(bin, l.split(" ")) or [] for l in d.splitlines() ]
return p
except:
self.ui.warn("unexpected response:\n" + d[:400] + "\n...\n")
raise
def changegroup(self, nodes):
n = " ".join(map(hex, nodes))
f = self.do_cmd("changegroup", roots=n)
bytes = 0
class zread:
def __init__(self, f):
self.zd = zlib.decompressobj()
self.f = f
self.buf = ""
def read(self, l):
while l > len(self.buf):
r = self.f.read(4096)
if r:
self.buf += self.zd.decompress(r)
else:
self.buf += self.zd.flush()
break
d, self.buf = self.buf[:l], self.buf[l:]
return d
return zread(f)
class remotelock:
def __init__(self, repo):
self.repo = repo
def release(self):
self.repo.unlock()
self.repo = None
def __del__(self):
if self.repo:
self.release()
class sshrepository:
def __init__(self, ui, path):
self.url = path
self.ui = ui
m = re.match(r'ssh://(([^@]+)@)?([^:/]+)(:(\d+))?(/(.*))', path)
if not m:
raise RepoError("couldn't parse destination %s" % path)
self.user = m.group(2)
self.host = m.group(3)
self.port = m.group(5)
self.path = m.group(7)
args = self.user and ("%s@%s" % (self.user, self.host)) or self.host
args = self.port and ("%s -p %s") % (args, self.port) or args
path = self.path or ""
if not path:
raise RepoError("no remote repository path specified")
cmd = "ssh %s 'hg -R %s serve --stdio'"
cmd = cmd % (args, path)
self.pipeo, self.pipei, self.pipee = os.popen3(cmd)
def readerr(self):
while 1:
r,w,x = select.select([self.pipee], [], [], 0)
if not r: break
l = self.pipee.readline()
if not l: break
self.ui.status("remote: ", l)
def __del__(self):
try:
self.pipeo.close()
self.pipei.close()
for l in self.pipee:
self.ui.status("remote: ", l)
self.pipee.close()
except:
pass
def dev(self):
return -1
def do_cmd(self, cmd, **args):
self.ui.debug("sending %s command\n" % cmd)
self.pipeo.write("%s\n" % cmd)
for k, v in args.items():
self.pipeo.write("%s %d\n" % (k, len(v)))
self.pipeo.write(v)
self.pipeo.flush()
return self.pipei
def call(self, cmd, **args):
r = self.do_cmd(cmd, **args)
l = r.readline()
self.readerr()
try:
l = int(l)
except:
raise RepoError("unexpected response '%s'" % l)
return r.read(l)
def lock(self):
self.call("lock")
return remotelock(self)
def unlock(self):
self.call("unlock")
def heads(self):
d = self.call("heads")
try:
return map(bin, d[:-1].split(" "))
except:
raise RepoError("unexpected response '%s'" % (d[:400] + "..."))
def branches(self, nodes):
n = " ".join(map(hex, nodes))
d = self.call("branches", nodes=n)
try:
br = [ tuple(map(bin, b.split(" "))) for b in d.splitlines() ]
return br
except:
raise RepoError("unexpected response '%s'" % (d[:400] + "..."))
def between(self, pairs):
n = "\n".join(["-".join(map(hex, p)) for p in pairs])
d = self.call("between", pairs=n)
try:
p = [ l and map(bin, l.split(" ")) or [] for l in d.splitlines() ]
return p
except:
raise RepoError("unexpected response '%s'" % (d[:400] + "..."))
def changegroup(self, nodes):
n = " ".join(map(hex, nodes))
f = self.do_cmd("changegroup", roots=n)
return self.pipei
def addchangegroup(self, cg):
d = self.call("addchangegroup")
if d:
raise RepoError("push refused: %s", d)
while 1:
d = cg.read(4096)
if not d: break
self.pipeo.write(d)
self.readerr()
self.pipeo.flush()
self.readerr()
l = int(self.pipei.readline())
return self.pipei.read(l) != ""
def repository(ui, path=None, create=0):
if path:
if path.startswith("http://"):
return httprepository(ui, path)
if path.startswith("hg://"):
return httprepository(ui, path.replace("hg://", "http://"))
if path.startswith("old-http://"):
return localrepository(ui, path.replace("old-http://", "http://"))
if path.startswith("ssh://"):
return sshrepository(ui, path)
return localrepository(ui, path, create)