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.
10 /* Mar 16, 2003 Manuel Novoa III (mjn3@codepoet.org)
12 * Size reduction and improved error checking.
15 //config: bool "mv (9.8 kb)"
18 //config: mv is used to move or rename files or directories.
20 //applet:IF_MV(APPLET(mv, BB_DIR_BIN, BB_SUID_DROP))
22 //kbuild:lib-$(CONFIG_MV) += mv.o
24 //usage:#define mv_trivial_usage
25 //usage: "[-fin] SOURCE DEST\n"
26 //usage: "or: mv [-fin] SOURCE... DIRECTORY"
27 //usage:#define mv_full_usage "\n\n"
28 //usage: "Rename SOURCE to DEST, or move SOURCE(s) to DIRECTORY\n"
29 //usage: "\n -f Don't prompt before overwriting"
30 //usage: "\n -i Interactive, prompt before overwrite"
31 //usage: "\n -n Don't overwrite an existing file"
33 //usage:#define mv_example_usage
34 //usage: "$ mv /tmp/foo /bin/bar\n"
37 #include "libcoreutils/coreutils.h"
39 int mv_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
40 int mv_main(int argc, char **argv)
42 struct stat dest_stat;
50 #define OPT_FORCE (1 << 0)
51 #define OPT_INTERACTIVE (1 << 1)
52 #define OPT_NOCLOBBER (1 << 2)
53 #define OPT_VERBOSE ((1 << 3) * ENABLE_FEATURE_VERBOSE)
54 /* Need at least two arguments.
55 * If more than one of -f, -i, -n is specified , only the final one
56 * takes effect (it unsets previous options).
58 opt_complementary = "-2:f-in:i-fn:n-fi";
59 flags = getopt32long(argv, "finv",
60 "interactive\0" No_argument "i"
61 "force\0" No_argument "f"
62 "no-clobber\0" No_argument "n"
64 "verbose\0" No_argument "v"
69 last = argv[argc - 1];
72 dest_exists = cp_mv_stat(last, &dest_stat);
73 if (dest_exists < 0) {
77 if (!(dest_exists & 2)) { /* last is not a directory */
84 dest = concat_path_file(last, bb_get_last_path_component_strip(*argv));
85 dest_exists = cp_mv_stat(dest, &dest_stat);
86 if (dest_exists < 0) {
92 if (flags & OPT_NOCLOBBER)
94 if (!(flags & OPT_FORCE)
95 && ((access(dest, W_OK) < 0 && isatty(0))
96 || (flags & OPT_INTERACTIVE))
98 if (fprintf(stderr, "mv: overwrite '%s'? ", dest) < 0) {
99 goto RET_1; /* Ouch! fprintf failed! */
101 if (!bb_ask_confirmation()) {
107 if (rename(*argv, dest) < 0) {
108 struct stat source_stat;
112 || (source_exists = cp_mv_stat2(*argv, &source_stat, lstat)) < 1
114 bb_perror_msg("can't rename '%s'", *argv);
116 static const char fmt[] ALIGN1 =
117 "can't overwrite %sdirectory with %sdirectory";
120 if (dest_exists == 3) {
121 if (source_exists != 3) {
122 bb_error_msg(fmt, "", "non-");
126 if (source_exists == 3) {
127 bb_error_msg(fmt, "non-", "");
131 if (unlink(dest) < 0) {
132 bb_perror_msg("can't remove '%s'", dest);
136 /* FILEUTILS_RECUR also prevents nasties like
137 * "read from device and write contents to dst"
138 * instead of "create same device node" */
139 copy_flag = FILEUTILS_RECUR | FILEUTILS_PRESERVE_STATUS;
141 copy_flag |= FILEUTILS_PRESERVE_SECURITY_CONTEXT;
143 if ((copy_file(*argv, dest, copy_flag) >= 0)
144 && (remove_file(*argv, FILEUTILS_RECUR | FILEUTILS_FORCE) >= 0)
153 if (flags & OPT_VERBOSE) {
154 printf("'%s' -> '%s'\n", *argv, dest);
159 } while (*++argv != last);