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 //config:config FEATURE_MV_LONG_OPTIONS
21 //config: bool "Enable long options"
23 //config: depends on MV && LONG_OPTS
25 //applet:IF_MV(APPLET(mv, BB_DIR_BIN, BB_SUID_DROP))
27 //kbuild:lib-$(CONFIG_MV) += mv.o
29 //usage:#define mv_trivial_usage
30 //usage: "[-fin] SOURCE DEST\n"
31 //usage: "or: mv [-fin] SOURCE... DIRECTORY"
32 //usage:#define mv_full_usage "\n\n"
33 //usage: "Rename SOURCE to DEST, or move SOURCE(s) to DIRECTORY\n"
34 //usage: "\n -f Don't prompt before overwriting"
35 //usage: "\n -i Interactive, prompt before overwrite"
36 //usage: "\n -n Don't overwrite an existing file"
38 //usage:#define mv_example_usage
39 //usage: "$ mv /tmp/foo /bin/bar\n"
42 #include "libcoreutils/coreutils.h"
44 #if ENABLE_FEATURE_MV_LONG_OPTIONS
45 static const char mv_longopts[] ALIGN1 =
46 "interactive\0" No_argument "i"
47 "force\0" No_argument "f"
48 "no-clobber\0" No_argument "n"
50 "verbose\0" No_argument "v"
55 #define OPT_FORCE (1 << 0)
56 #define OPT_INTERACTIVE (1 << 1)
57 #define OPT_NOCLOBBER (1 << 2)
58 #define OPT_VERBOSE ((1 << 3) * ENABLE_FEATURE_VERBOSE)
61 int mv_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
62 int mv_main(int argc, char **argv)
64 struct stat dest_stat;
72 #if ENABLE_FEATURE_MV_LONG_OPTIONS
73 applet_long_options = mv_longopts;
75 /* Need at least two arguments.
76 * If more than one of -f, -i, -n is specified , only the final one
77 * takes effect (it unsets previous options).
79 opt_complementary = "-2:f-in:i-fn:n-fi";
80 flags = getopt32(argv, "finv");
83 last = argv[argc - 1];
86 dest_exists = cp_mv_stat(last, &dest_stat);
87 if (dest_exists < 0) {
91 if (!(dest_exists & 2)) { /* last is not a directory */
98 dest = concat_path_file(last, bb_get_last_path_component_strip(*argv));
99 dest_exists = cp_mv_stat(dest, &dest_stat);
100 if (dest_exists < 0) {
106 if (flags & OPT_NOCLOBBER)
108 if (!(flags & OPT_FORCE)
109 && ((access(dest, W_OK) < 0 && isatty(0))
110 || (flags & OPT_INTERACTIVE))
112 if (fprintf(stderr, "mv: overwrite '%s'? ", dest) < 0) {
113 goto RET_1; /* Ouch! fprintf failed! */
115 if (!bb_ask_confirmation()) {
121 if (rename(*argv, dest) < 0) {
122 struct stat source_stat;
126 || (source_exists = cp_mv_stat2(*argv, &source_stat, lstat)) < 1
128 bb_perror_msg("can't rename '%s'", *argv);
130 static const char fmt[] ALIGN1 =
131 "can't overwrite %sdirectory with %sdirectory";
134 if (dest_exists == 3) {
135 if (source_exists != 3) {
136 bb_error_msg(fmt, "", "non-");
140 if (source_exists == 3) {
141 bb_error_msg(fmt, "non-", "");
145 if (unlink(dest) < 0) {
146 bb_perror_msg("can't remove '%s'", dest);
150 /* FILEUTILS_RECUR also prevents nasties like
151 * "read from device and write contents to dst"
152 * instead of "create same device node" */
153 copy_flag = FILEUTILS_RECUR | FILEUTILS_PRESERVE_STATUS;
155 copy_flag |= FILEUTILS_PRESERVE_SECURITY_CONTEXT;
157 if ((copy_file(*argv, dest, copy_flag) >= 0)
158 && (remove_file(*argv, FILEUTILS_RECUR | FILEUTILS_FORCE) >= 0)
167 if (flags & OPT_VERBOSE) {
168 printf("'%s' -> '%s'\n", *argv, dest);
173 } while (*++argv != last);