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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 | $bad = ""; | |
77 | ||
78 | if ($opt_v) { | |
79 | print "Checking rename of '$src' to '$dst'\n"; | |
80 | } | |
81 | ||
82 | unless (-f $src || -l $src || -d $src) { | |
83 | $bad = "bad source '$src'"; | |
84 | } | |
85 | ||
073dab13 JW |
86 | $safesrc = quotemeta($src); |
87 | @srcfiles = grep /^$safesrc(\/|$)/, @allfiles; | |
88 | ||
1114b26e JW |
89 | $overwritten{$dst} = 0; |
90 | if (($bad eq "") && -e $dst) { | |
91 | $bad = "destination '$dst' already exists"; | |
073dab13 JW |
92 | if ($opt_f) { |
93 | # only files can overwrite each other: check both source and destination | |
94 | if (-f $dst && (scalar @srcfiles == 1)) { | |
95 | print "Warning: $bad; will overwrite!\n"; | |
96 | $bad = ""; | |
97 | $overwritten{$dst} = 1; | |
98 | } | |
99 | else { | |
100 | $bad = "Can not overwrite '$src' with '$dst'"; | |
101 | } | |
1114b26e JW |
102 | } |
103 | } | |
104 | ||
90109b32 | 105 | if (($bad eq "") && ($dst =~ /^$safesrc\//)) { |
1114b26e JW |
106 | $bad = "can not move directory '$src' into itself"; |
107 | } | |
108 | ||
109 | if ($bad eq "") { | |
1114b26e JW |
110 | if (scalar @srcfiles == 0) { |
111 | $bad = "'$src' not under version control"; | |
112 | } | |
113 | } | |
114 | ||
05ff5649 JW |
115 | if ($bad eq "") { |
116 | if (defined $srcForDst{$dst}) { | |
117 | $bad = "can not move '$src' to '$dst'; already target of "; | |
118 | $bad .= "'".$srcForDst{$dst}."'"; | |
119 | } | |
120 | else { | |
121 | $srcForDst{$dst} = $src; | |
122 | } | |
123 | } | |
124 | ||
1114b26e JW |
125 | if ($bad ne "") { |
126 | if ($opt_k) { | |
127 | print "Warning: $bad; skipping\n"; | |
128 | next; | |
129 | } | |
130 | print "Error: $bad\n"; | |
3ae64dff | 131 | exit(1); |
1114b26e JW |
132 | } |
133 | push @srcs, $src; | |
134 | push @dsts, $dst; | |
135 | } | |
136 | ||
137 | # Final pass: rename/move | |
138 | my (@deletedfiles,@addedfiles,@changedfiles); | |
f6bc189a | 139 | $bad = ""; |
1114b26e JW |
140 | while(scalar @srcs > 0) { |
141 | $src = shift @srcs; | |
142 | $dst = shift @dsts; | |
143 | ||
144 | if ($opt_n || $opt_v) { print "Renaming $src to $dst\n"; } | |
145 | if (!$opt_n) { | |
f6bc189a JW |
146 | if (!rename($src,$dst)) { |
147 | $bad = "renaming '$src' failed: $!"; | |
26169747 JW |
148 | if ($opt_k) { |
149 | print "Warning: skipped: $bad\n"; | |
150 | $bad = ""; | |
151 | next; | |
152 | } | |
f6bc189a JW |
153 | last; |
154 | } | |
1114b26e JW |
155 | } |
156 | ||
157 | $safesrc = quotemeta($src); | |
158 | @srcfiles = grep /^$safesrc(\/|$)/, @allfiles; | |
159 | @dstfiles = @srcfiles; | |
160 | s/^$safesrc(\/|$)/$dst$1/ for @dstfiles; | |
161 | ||
162 | push @deletedfiles, @srcfiles; | |
163 | if (scalar @srcfiles == 1) { | |
073dab13 | 164 | # $dst can be a directory with 1 file inside |
1114b26e | 165 | if ($overwritten{$dst} ==1) { |
073dab13 JW |
166 | push @changedfiles, $dstfiles[0]; |
167 | ||
1114b26e | 168 | } else { |
073dab13 | 169 | push @addedfiles, $dstfiles[0]; |
1114b26e JW |
170 | } |
171 | } | |
172 | else { | |
173 | push @addedfiles, @dstfiles; | |
174 | } | |
175 | } | |
176 | ||
177 | if ($opt_n) { | |
3ae64dff | 178 | if (@changedfiles) { |
1114b26e | 179 | print "Changed : ". join(", ", @changedfiles) ."\n"; |
3ae64dff JW |
180 | } |
181 | if (@addedfiles) { | |
1114b26e | 182 | print "Adding : ". join(", ", @addedfiles) ."\n"; |
3ae64dff JW |
183 | } |
184 | if (@deletedfiles) { | |
1114b26e | 185 | print "Deleting : ". join(", ", @deletedfiles) ."\n"; |
3ae64dff | 186 | } |
1114b26e | 187 | } |
3ae64dff JW |
188 | else { |
189 | if (@changedfiles) { | |
f359ae42 AL |
190 | open(H, "| git-update-index -z --stdin") |
191 | or die "git-update-index failed to update changed files with code $!\n"; | |
192 | foreach my $fileName (@changedfiles) { | |
193 | print H "$fileName\0"; | |
194 | } | |
195 | close(H); | |
3ae64dff JW |
196 | } |
197 | if (@addedfiles) { | |
f359ae42 AL |
198 | open(H, "| git-update-index --add -z --stdin") |
199 | or die "git-update-index failed to add new names with code $!\n"; | |
200 | foreach my $fileName (@addedfiles) { | |
201 | print H "$fileName\0"; | |
202 | } | |
203 | close(H); | |
3ae64dff JW |
204 | } |
205 | if (@deletedfiles) { | |
f359ae42 AL |
206 | open(H, "| git-update-index --remove -z --stdin") |
207 | or die "git-update-index failed to remove old names with code $!\n"; | |
208 | foreach my $fileName (@deletedfiles) { | |
209 | print H "$fileName\0"; | |
210 | } | |
211 | close(H); | |
3ae64dff | 212 | } |
1114b26e | 213 | } |
f6bc189a JW |
214 | |
215 | if ($bad ne "") { | |
216 | print "Error: $bad\n"; | |
217 | exit(1); | |
218 | } |