1 /* vi: set sw=4 ts=4: */
3 * Mini mv implementation for busybox
5 * Copyright (C) 2000 by Matt Kraai <kraai@alumni.carnegiemellon.edu>
6 * SELinux support by Yuichi Nakamura <ynakam@hitachisoft.jp>
8 * Licensed under GPLv2 or later, see file LICENSE in this source tree.
11 /* Mar 16, 2003 Manuel Novoa III (mjn3@codepoet.org)
13 * Size reduction and improved error checking.
17 #include "libcoreutils/coreutils.h"
19 //usage:#define mv_trivial_usage
20 //usage: "[-fin] SOURCE DEST\n"
21 //usage: "or: mv [-fin] SOURCE... DIRECTORY"
22 //usage:#define mv_full_usage "\n\n"
23 //usage: "Rename SOURCE to DEST, or move SOURCE(s) to DIRECTORY\n"
25 //usage: "\n -f Don't prompt before overwriting"
26 //usage: "\n -i Interactive, prompt before overwrite"
27 //usage: "\n -n Don't overwrite an existing file"
29 //usage:#define mv_example_usage
30 //usage: "$ mv /tmp/foo /bin/bar\n"
32 #if ENABLE_FEATURE_MV_LONG_OPTIONS
33 static const char mv_longopts[] ALIGN1 =
34 "interactive\0" No_argument "i"
35 "force\0" No_argument "f"
36 "no-clobber\0" No_argument "n"
40 #define OPT_FILEUTILS_FORCE 1
41 #define OPT_FILEUTILS_INTERACTIVE 2
42 #define OPT_FILEUTILS_NOCLOBBER 4
44 int mv_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
45 int mv_main(int argc, char **argv)
47 struct stat dest_stat;
55 #if ENABLE_FEATURE_MV_LONG_OPTIONS
56 applet_long_options = mv_longopts;
58 /* Need at least two arguments.
59 * If more than one of -f, -i, -n is specified , only the final one
60 * takes effect (it unsets previous options). */
61 opt_complementary = "-2:f-in:i-fn:n-fi";
62 flags = getopt32(argv, "fin");
65 last = argv[argc - 1];
68 dest_exists = cp_mv_stat(last, &dest_stat);
69 if (dest_exists < 0) {
73 if (!(dest_exists & 2)) { /* last is not a directory */
80 dest = concat_path_file(last, bb_get_last_path_component_strip(*argv));
81 dest_exists = cp_mv_stat(dest, &dest_stat);
82 if (dest_exists < 0) {
88 if (flags & OPT_FILEUTILS_NOCLOBBER)
90 if (!(flags & OPT_FILEUTILS_FORCE)
91 && ((access(dest, W_OK) < 0 && isatty(0))
92 || (flags & OPT_FILEUTILS_INTERACTIVE))
94 if (fprintf(stderr, "mv: overwrite '%s'? ", dest) < 0) {
95 goto RET_1; /* Ouch! fprintf failed! */
97 if (!bb_ask_confirmation()) {
103 if (rename(*argv, dest) < 0) {
104 struct stat source_stat;
108 || (source_exists = cp_mv_stat2(*argv, &source_stat, lstat)) < 1
110 bb_perror_msg("can't rename '%s'", *argv);
112 static const char fmt[] ALIGN1 =
113 "can't overwrite %sdirectory with %sdirectory";
116 if (dest_exists == 3) {
117 if (source_exists != 3) {
118 bb_error_msg(fmt, "", "non-");
122 if (source_exists == 3) {
123 bb_error_msg(fmt, "non-", "");
127 if (unlink(dest) < 0) {
128 bb_perror_msg("can't remove '%s'", dest);
132 /* FILEUTILS_RECUR also prevents nasties like
133 * "read from device and write contents to dst"
134 * instead of "create same device node" */
135 copy_flag = FILEUTILS_RECUR | FILEUTILS_PRESERVE_STATUS;
137 copy_flag |= FILEUTILS_PRESERVE_SECURITY_CONTEXT;
139 if ((copy_file(*argv, dest, copy_flag) >= 0)
140 && (remove_file(*argv, FILEUTILS_RECUR | FILEUTILS_FORCE) >= 0)
152 } while (*++argv != last);