2266     information.

  2266     information.

  2267 

  2267 

  2268     hunksfilterfn, if not None, should be a function taking a filectx and

  2268     hunksfilterfn, if not None, should be a function taking a filectx and

  2269     hunks generator that may yield filtered hunks.

  2269     hunks generator that may yield filtered hunks.

  2270     '''

  2270     '''

  2271     for fctx1, fctx2, hdr, hunks in diffhunks(

  2277     for fctx1, fctx2, hdr, hunks in diffhunks(

  2273             match=match, changes=changes, opts=opts,

  2279             match=match, changes=changes, opts=opts,

  2274             losedatafn=losedatafn, prefix=prefix, relroot=relroot, copy=copy,

  2280             losedatafn=losedatafn, prefix=prefix, relroot=relroot, copy=copy,

  2275     ):

  2281     ):

  2276         if hunksfilterfn is not None:

  2282         if hunksfilterfn is not None:

  2277             # If the file has been removed, fctx2 is None; but this should

  2283             # If the file has been removed, fctx2 is None; but this should

  2284         if hdr and (text or len(hdr) > 1):

  2290         if hdr and (text or len(hdr) > 1):

  2285             yield '\n'.join(hdr) + '\n'

  2291             yield '\n'.join(hdr) + '\n'

  2286         if text:

  2292         if text:

  2287             yield text

  2293             yield text

  2288 

  2294 

  2290               opts=None, losedatafn=None, prefix='', relroot='', copy=None):

  2296               opts=None, losedatafn=None, prefix='', relroot='', copy=None):

  2291     """Yield diff of changes to files in the form of (`header`, `hunks`) tuples

  2297     """Yield diff of changes to files in the form of (`header`, `hunks`) tuples

  2292     where `header` is a list of diff headers and `hunks` is an iterable of

  2298     where `header` is a list of diff headers and `hunks` is an iterable of

  2293     (`hunkrange`, `hunklines`) tuples.

  2299     (`hunkrange`, `hunklines`) tuples.

  2294 

  2300 

  2295     See diff() for the meaning of parameters.

  2301     See diff() for the meaning of parameters.

  2296     """

  2302     """

  2297 

  2303 

  2298     if opts is None:

  2304     if opts is None:

  2299         opts = mdiff.defaultopts

  2305         opts = mdiff.defaultopts

  2303 

  2306 

  2304     def lrugetfilectx():

  2307     def lrugetfilectx():

  2305         cache = {}

  2308         cache = {}

  2306         order = collections.deque()

  2309         order = collections.deque()

  2307         def getfilectx(f, ctx):

  2310         def getfilectx(f, ctx):

  2314                 order.remove(f)

  2317                 order.remove(f)

  2315             order.append(f)

  2318             order.append(f)

  2316             return fctx

  2319             return fctx

  2317         return getfilectx

  2320         return getfilectx

  2318     getfilectx = lrugetfilectx()

  2321     getfilectx = lrugetfilectx()

  2322 

  2322 

  2323     if relroot:

  2323     if relroot:

  2324         relrootmatch = scmutil.match(ctx2, pats=[relroot], default='path')

  2324         relrootmatch = scmutil.match(ctx2, pats=[relroot], default='path')

  2325         match = matchmod.intersectmatchers(match, relrootmatch)

  2325         match = matchmod.intersectmatchers(match, relrootmatch)

  2326 

  2326