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1114b26e JW |
1 | #!/usr/bin/perl |
2 | # | |
3 | # Copyright 2005, Ryan Anderson <ryan@michonline.com> | |
4 | # Josef Weidendorfer <Josef.Weidendorfer@gmx.de> | |
5 | # | |
6 | # This file is licensed under the GPL v2, or a later version | |
7 | # at the discretion of Linus Torvalds. | |
8 | ||
9 | ||
10 | use warnings; | |
11 | use strict; | |
12 | use Getopt::Std; | |
13 | ||
14 | sub usage() { | |
15 | print <<EOT; | |
3ae64dff JW |
16 | $0 [-f] [-n] <source> <destination> |
17 | $0 [-f] [-n] [-k] <source> ... <destination directory> | |
1114b26e JW |
18 | EOT |
19 | exit(1); | |
20 | } | |
21 | ||
4518bb88 JS |
22 | my $GIT_DIR = `git rev-parse --git-dir`; |
23 | exit 1 if $?; # rev-parse would have given "not a git dir" message. | |
24 | chomp($GIT_DIR); | |
1114b26e JW |
25 | |
26 | our ($opt_n, $opt_f, $opt_h, $opt_k, $opt_v); | |
27 | getopts("hnfkv") || usage; | |
28 | usage() if $opt_h; | |
29 | @ARGV >= 1 or usage; | |
30 | ||
31 | my (@srcArgs, @dstArgs, @srcs, @dsts); | |
32 | my ($src, $dst, $base, $dstDir); | |
33 | ||
34 | my $argCount = scalar @ARGV; | |
35 | if (-d $ARGV[$argCount-1]) { | |
36 | $dstDir = $ARGV[$argCount-1]; | |
f676fa76 JW |
37 | # remove any trailing slash |
38 | $dstDir =~ s/\/$//; | |
1114b26e JW |
39 | @srcArgs = @ARGV[0..$argCount-2]; |
40 | ||
41 | foreach $src (@srcArgs) { | |
42 | $base = $src; | |
43 | $base =~ s/^.*\///; | |
44 | $dst = "$dstDir/". $base; | |
45 | push @dstArgs, $dst; | |
46 | } | |
47 | } | |
48 | else { | |
49 | if ($argCount != 2) { | |
50 | print "Error: moving to directory '" | |
51 | . $ARGV[$argCount-1] | |
52 | . "' not possible; not exisiting\n"; | |
3ae64dff | 53 | exit(1); |
1114b26e JW |
54 | } |
55 | @srcArgs = ($ARGV[0]); | |
56 | @dstArgs = ($ARGV[1]); | |
57 | $dstDir = ""; | |
58 | } | |
59 | ||
60 | my (@allfiles,@srcfiles,@dstfiles); | |
61 | my $safesrc; | |
05ff5649 | 62 | my (%overwritten, %srcForDst); |
1114b26e JW |
63 | |
64 | $/ = "\0"; | |
23c99d84 | 65 | open(F, 'git-ls-files -z |') |
1114b26e JW |
66 | or die "Failed to open pipe from git-ls-files: " . $!; |
67 | ||
68 | @allfiles = map { chomp; $_; } <F>; | |
69 | close(F); | |
70 | ||
71 | ||
72 | my ($i, $bad); | |
73 | while(scalar @srcArgs > 0) { | |
74 | $src = shift @srcArgs; | |
75 | $dst = shift @dstArgs; | |
76 | $bad = ""; | |
77 | ||
57346431 JH |
78 | for ($src, $dst) { |
79 | # Be nicer to end-users by doing ".//a/./b/.//./c" ==> "a/b/c" | |
80 | s|^\./||; | |
81 | s|/\./|/| while (m|/\./|); | |
82 | s|//+|/|g; | |
83 | # Also "a/b/../c" ==> "a/c" | |
84 | 1 while (s,(^|/)[^/]+/\.\./,$1,); | |
85 | } | |
86 | ||
1114b26e JW |
87 | if ($opt_v) { |
88 | print "Checking rename of '$src' to '$dst'\n"; | |
89 | } | |
90 | ||
91 | unless (-f $src || -l $src || -d $src) { | |
92 | $bad = "bad source '$src'"; | |
93 | } | |
94 | ||
073dab13 JW |
95 | $safesrc = quotemeta($src); |
96 | @srcfiles = grep /^$safesrc(\/|$)/, @allfiles; | |
97 | ||
1114b26e JW |
98 | $overwritten{$dst} = 0; |
99 | if (($bad eq "") && -e $dst) { | |
100 | $bad = "destination '$dst' already exists"; | |
073dab13 JW |
101 | if ($opt_f) { |
102 | # only files can overwrite each other: check both source and destination | |
103 | if (-f $dst && (scalar @srcfiles == 1)) { | |
104 | print "Warning: $bad; will overwrite!\n"; | |
105 | $bad = ""; | |
106 | $overwritten{$dst} = 1; | |
107 | } | |
108 | else { | |
109 | $bad = "Can not overwrite '$src' with '$dst'"; | |
110 | } | |
1114b26e JW |
111 | } |
112 | } | |
113 | ||
90109b32 | 114 | if (($bad eq "") && ($dst =~ /^$safesrc\//)) { |
1114b26e JW |
115 | $bad = "can not move directory '$src' into itself"; |
116 | } | |
117 | ||
118 | if ($bad eq "") { | |
1114b26e JW |
119 | if (scalar @srcfiles == 0) { |
120 | $bad = "'$src' not under version control"; | |
121 | } | |
122 | } | |
123 | ||
05ff5649 JW |
124 | if ($bad eq "") { |
125 | if (defined $srcForDst{$dst}) { | |
126 | $bad = "can not move '$src' to '$dst'; already target of "; | |
127 | $bad .= "'".$srcForDst{$dst}."'"; | |
128 | } | |
129 | else { | |
130 | $srcForDst{$dst} = $src; | |
131 | } | |
132 | } | |
133 | ||
1114b26e JW |
134 | if ($bad ne "") { |
135 | if ($opt_k) { | |
136 | print "Warning: $bad; skipping\n"; | |
137 | next; | |
138 | } | |
139 | print "Error: $bad\n"; | |
3ae64dff | 140 | exit(1); |
1114b26e JW |
141 | } |
142 | push @srcs, $src; | |
143 | push @dsts, $dst; | |
144 | } | |
145 | ||
146 | # Final pass: rename/move | |
147 | my (@deletedfiles,@addedfiles,@changedfiles); | |
f6bc189a | 148 | $bad = ""; |
1114b26e JW |
149 | while(scalar @srcs > 0) { |
150 | $src = shift @srcs; | |
151 | $dst = shift @dsts; | |
152 | ||
153 | if ($opt_n || $opt_v) { print "Renaming $src to $dst\n"; } | |
154 | if (!$opt_n) { | |
f6bc189a JW |
155 | if (!rename($src,$dst)) { |
156 | $bad = "renaming '$src' failed: $!"; | |
26169747 JW |
157 | if ($opt_k) { |
158 | print "Warning: skipped: $bad\n"; | |
159 | $bad = ""; | |
160 | next; | |
161 | } | |
f6bc189a JW |
162 | last; |
163 | } | |
1114b26e JW |
164 | } |
165 | ||
166 | $safesrc = quotemeta($src); | |
167 | @srcfiles = grep /^$safesrc(\/|$)/, @allfiles; | |
168 | @dstfiles = @srcfiles; | |
169 | s/^$safesrc(\/|$)/$dst$1/ for @dstfiles; | |
170 | ||
171 | push @deletedfiles, @srcfiles; | |
172 | if (scalar @srcfiles == 1) { | |
073dab13 | 173 | # $dst can be a directory with 1 file inside |
1114b26e | 174 | if ($overwritten{$dst} ==1) { |
073dab13 JW |
175 | push @changedfiles, $dstfiles[0]; |
176 | ||
1114b26e | 177 | } else { |
073dab13 | 178 | push @addedfiles, $dstfiles[0]; |
1114b26e JW |
179 | } |
180 | } | |
181 | else { | |
182 | push @addedfiles, @dstfiles; | |
183 | } | |
184 | } | |
185 | ||
186 | if ($opt_n) { | |
3ae64dff | 187 | if (@changedfiles) { |
1114b26e | 188 | print "Changed : ". join(", ", @changedfiles) ."\n"; |
3ae64dff JW |
189 | } |
190 | if (@addedfiles) { | |
1114b26e | 191 | print "Adding : ". join(", ", @addedfiles) ."\n"; |
3ae64dff JW |
192 | } |
193 | if (@deletedfiles) { | |
1114b26e | 194 | print "Deleting : ". join(", ", @deletedfiles) ."\n"; |
3ae64dff | 195 | } |
1114b26e | 196 | } |
3ae64dff JW |
197 | else { |
198 | if (@changedfiles) { | |
f359ae42 AL |
199 | open(H, "| git-update-index -z --stdin") |
200 | or die "git-update-index failed to update changed files with code $!\n"; | |
201 | foreach my $fileName (@changedfiles) { | |
202 | print H "$fileName\0"; | |
203 | } | |
204 | close(H); | |
3ae64dff JW |
205 | } |
206 | if (@addedfiles) { | |
f359ae42 AL |
207 | open(H, "| git-update-index --add -z --stdin") |
208 | or die "git-update-index failed to add new names with code $!\n"; | |
209 | foreach my $fileName (@addedfiles) { | |
210 | print H "$fileName\0"; | |
211 | } | |
212 | close(H); | |
3ae64dff JW |
213 | } |
214 | if (@deletedfiles) { | |
f359ae42 AL |
215 | open(H, "| git-update-index --remove -z --stdin") |
216 | or die "git-update-index failed to remove old names with code $!\n"; | |
217 | foreach my $fileName (@deletedfiles) { | |
218 | print H "$fileName\0"; | |
219 | } | |
220 | close(H); | |
3ae64dff | 221 | } |
1114b26e | 222 | } |
f6bc189a JW |
223 | |
224 | if ($bad ne "") { | |
225 | print "Error: $bad\n"; | |
226 | exit(1); | |
227 | } |