Mercurial > hg
view mercurial/mdiff.py @ 1562:2f97af0b522c
Fix walkhelper on windows.
The ''seen'' dictionary stores paths in canonical form,
so the walkhelp must also provide paths in that form,
otherwise the changed files are listed twice.
author | Christian Boos <cboos@neuf.fr> |
---|---|
date | Thu, 01 Dec 2005 10:48:18 -0600 |
parents | 8ca9f5b17257 |
children | 3b1b44b917f4 |
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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] = "%s\t%s\n" % (l[0][:-2], ad) l[1] = "%s\t%s\n" % (l[1][:-2], bd) 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