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_NOEXEC(mv, mv, BB_DIR_BIN, BB_SUID_DROP, mv))
21 /* NOEXEC despite cases when it can be a "runner" (mv LARGE_DIR OTHER_FS) */
23 //kbuild:lib-$(CONFIG_MV) += mv.o
25 //usage:#define mv_trivial_usage
26 //usage: "[-fin] SOURCE DEST\n"
27 //usage: "or: mv [-fin] SOURCE... DIRECTORY"
28 //usage:#define mv_full_usage "\n\n"
29 //usage: "Rename SOURCE to DEST, or move SOURCE(s) to DIRECTORY\n"
30 //usage: "\n -f Don't prompt before overwriting"
31 //usage: "\n -i Interactive, prompt before overwrite"
32 //usage: "\n -n Don't overwrite an existing file"
34 //usage:#define mv_example_usage
35 //usage: "$ mv /tmp/foo /bin/bar\n"
38 #include "libcoreutils/coreutils.h"
40 int mv_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
41 int mv_main(int argc, char **argv)
43 struct stat dest_stat;
51 #define OPT_FORCE (1 << 0)
52 #define OPT_INTERACTIVE (1 << 1)
53 #define OPT_NOCLOBBER (1 << 2)
54 #define OPT_VERBOSE ((1 << 3) * ENABLE_FEATURE_VERBOSE)
55 /* Need at least two arguments.
56 * If more than one of -f, -i, -n is specified , only the final one
57 * takes effect (it unsets previous options).
59 flags = getopt32long(argv, "^"
63 "interactive\0" No_argument "i"
64 "force\0" No_argument "f"
65 "no-clobber\0" No_argument "n"
67 "verbose\0" No_argument "v"
72 last = argv[argc - 1];
75 dest_exists = cp_mv_stat(last, &dest_stat);
76 if (dest_exists < 0) {
80 if (!(dest_exists & 2)) { /* last is not a directory */
87 dest = concat_path_file(last, bb_get_last_path_component_strip(*argv));
88 dest_exists = cp_mv_stat(dest, &dest_stat);
89 if (dest_exists < 0) {
95 if (flags & OPT_NOCLOBBER)
97 if (!(flags & OPT_FORCE)
98 && ((access(dest, W_OK) < 0 && isatty(0))
99 || (flags & OPT_INTERACTIVE))
101 if (fprintf(stderr, "mv: overwrite '%s'? ", dest) < 0) {
102 goto RET_1; /* Ouch! fprintf failed! */
104 if (!bb_ask_confirmation()) {
110 if (rename(*argv, dest) < 0) {
111 struct stat source_stat;
115 || (source_exists = cp_mv_stat2(*argv, &source_stat, lstat)) < 1
117 bb_perror_msg("can't rename '%s'", *argv);
119 static const char fmt[] ALIGN1 =
120 "can't overwrite %sdirectory with %sdirectory";
123 if (dest_exists == 3) {
124 if (source_exists != 3) {
125 bb_error_msg(fmt, "", "non-");
129 if (source_exists == 3) {
130 bb_error_msg(fmt, "non-", "");
134 if (unlink(dest) < 0) {
135 bb_perror_msg("can't remove '%s'", dest);
139 /* FILEUTILS_RECUR also prevents nasties like
140 * "read from device and write contents to dst"
141 * instead of "create same device node" */
142 copy_flag = FILEUTILS_RECUR | FILEUTILS_PRESERVE_STATUS;
144 copy_flag |= FILEUTILS_PRESERVE_SECURITY_CONTEXT;
146 if ((copy_file(*argv, dest, copy_flag) >= 0)
147 && (remove_file(*argv, FILEUTILS_RECUR | FILEUTILS_FORCE) >= 0)
156 if (flags & OPT_VERBOSE) {
157 printf("'%s' -> '%s'\n", *argv, dest);
162 } while (*++argv != last);