Mercurial > hg > mercurial-crew-with-dirclash
view mercurial/mdiff.py @ 1504:0fcdd126642d
fix file opening for some commands on Windows
Using file as opener in debug commands won't work on Windows, as the
index and data files needs to be opened in binary mode.
author | Christian Boos <cboos@neuf.fr> |
---|---|
date | Thu, 03 Nov 2005 14:24:07 -0800 |
parents | f1755621cb7d |
children | 8ca9f5b17257 |
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# mdiff.py - diff and patch routines 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 difflib, struct, bdiff, util, mpatch def unidiff(a, ad, b, bd, fn, r=None, text=False): if not a and not b: return "" epoch = util.datestr((0, 0)) if not text and (util.binary(a) or util.binary(b)): l = ['Binary file %s has changed\n' % fn] elif a == None: b = b.splitlines(1) l1 = "--- %s\t%s\n" % ("/dev/null", epoch) l2 = "+++ %s\t%s\n" % ("b/" + fn, bd) l3 = "@@ -0,0 +1,%d @@\n" % len(b) l = [l1, l2, l3] + ["+" + e for e in b] elif b == None: a = a.splitlines(1) l1 = "--- %s\t%s\n" % ("a/" + fn, ad) l2 = "+++ %s\t%s\n" % ("/dev/null", epoch) l3 = "@@ -1,%d +0,0 @@\n" % len(a) l = [l1, l2, l3] + ["-" + e for e in a] else: a = a.splitlines(1) b = b.splitlines(1) l = list(difflib.unified_diff(a, b, "a/" + fn, "b/" + fn)) if not l: return "" # difflib uses a space, rather than a tab l[0] = l[0][:-2] + "\t" + ad + "\n" l[1] = l[1][:-2] + "\t" + bd + "\n" for ln in xrange(len(l)): if l[ln][-1] != '\n': l[ln] += "\n\ No newline at end of file\n" if r: l.insert(0, "diff %s %s\n" % (' '.join(["-r %s" % rev for rev in r]), fn)) return "".join(l) def patchtext(bin): pos = 0 t = [] while pos < len(bin): p1, p2, l = struct.unpack(">lll", bin[pos:pos + 12]) pos += 12 t.append(bin[pos:pos + l]) pos += l return "".join(t) def patch(a, bin): return mpatch.patches(a, [bin]) patches = mpatch.patches textdiff = bdiff.bdiff