Mercurial > hg
annotate contrib/hgdiff @ 6429:532ca442b903
symmetricdifference: move back to copies
It's too tightly dependent on known revlog ordering to fit well in ancestors
author | Matt Mackall <mpm@selenic.com> |
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date | Sat, 29 Mar 2008 12:39:47 -0500 |
parents | ea7b982b6c08 |
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1 #!/usr/bin/env python |
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2 |
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3 import os, sys, struct, stat |
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4 import difflib |
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5 import re |
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6 from optparse import OptionParser |
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7 from mercurial.bdiff import bdiff, blocks |
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8 from mercurial.mdiff import bunidiff, diffopts |
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9 |
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10 VERSION="0.3" |
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11 usage = "usage: %prog [options] file1 file2" |
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12 parser = OptionParser(usage=usage) |
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13 |
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14 parser.add_option("-d", "--difflib", action="store_true", default=False) |
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15 parser.add_option('-x', '--count', default=1) |
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16 parser.add_option('-c', '--context', type="int", default=3) |
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17 parser.add_option('-p', '--show-c-function', action="store_true", default=False) |
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18 parser.add_option('-w', '--ignore-all-space', action="store_true", |
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19 default=False) |
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20 |
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21 (options, args) = parser.parse_args() |
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22 |
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23 if not args: |
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24 parser.print_help() |
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25 sys.exit(1) |
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26 |
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27 # simple utility function to put all the |
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28 # files from a directory tree into a dict |
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29 def buildlist(names, top): |
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30 tlen = len(top) |
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31 for root, dirs, files in os.walk(top): |
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32 l = root[tlen + 1:] |
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33 for x in files: |
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34 p = os.path.join(root, x) |
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35 st = os.lstat(p) |
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36 if stat.S_ISREG(st.st_mode): |
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37 names[os.path.join(l, x)] = (st.st_dev, st.st_ino) |
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38 |
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39 def diff_files(file1, file2): |
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40 if file1 == None: |
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41 b = file(file2).read().splitlines(1) |
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42 l1 = "--- %s\n" % (file2) |
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43 l2 = "+++ %s\n" % (file2) |
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44 l3 = "@@ -0,0 +1,%d @@\n" % len(b) |
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45 l = [l1, l2, l3] + ["+" + e for e in b] |
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46 elif file2 == None: |
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47 a = file(file1).read().splitlines(1) |
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48 l1 = "--- %s\n" % (file1) |
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49 l2 = "+++ %s\n" % (file1) |
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50 l3 = "@@ -1,%d +0,0 @@\n" % len(a) |
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51 l = [l1, l2, l3] + ["-" + e for e in a] |
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52 else: |
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53 t1 = file(file1).read() |
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54 t2 = file(file2).read() |
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55 l1 = t1.splitlines(1) |
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56 l2 = t2.splitlines(1) |
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57 if options.difflib: |
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58 l = difflib.unified_diff(l1, l2, file1, file2) |
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59 else: |
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60 l = bunidiff(t1, t2, l1, l2, file1, file2, |
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61 diffopts(context=options.context, |
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62 showfunc=options.show_c_function, |
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63 ignorews=options.ignore_all_space)) |
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64 for x in l: |
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65 if x[-1] != '\n': |
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66 x += "\n\ No newline at end of file\n" |
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67 print x, |
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68 |
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69 file1 = args[0] |
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70 file2 = args[1] |
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71 |
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72 if os.path.isfile(file1) and os.path.isfile(file2): |
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73 diff_files(file1, file2) |
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74 elif os.path.isdir(file1): |
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75 if not os.path.isdir(file2): |
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76 sys.stderr.write("file types don't match\n") |
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77 sys.exit(1) |
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78 |
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79 d1 = {} |
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80 d2 = {} |
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81 |
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82 buildlist(d1, file1) |
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83 buildlist(d2, file2) |
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84 keys = d1.keys() |
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85 keys.sort() |
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86 for x in keys: |
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87 if x not in d2: |
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88 f2 = None |
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89 else: |
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90 f2 = os.path.join(file2, x) |
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91 st1 = d1[x] |
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92 st2 = d2[x] |
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93 del d2[x] |
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94 if st1[0] == st2[0] and st1[1] == st2[1]: |
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95 sys.stderr.write("%s is a hard link\n" % x) |
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96 continue |
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97 x = os.path.join(file1, x) |
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98 diff_files(x, f2) |
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99 keys = d2.keys() |
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100 keys.sort() |
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101 for x in keys: |
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102 f1 = None |
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103 x = os.path.join(file2, x) |
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104 diff_files(f1, x) |
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105 |