+/* vi: set sw=4 ts=4: */
/*
* Mini mv implementation for busybox
*
- *
- * Copyright (C) 1999 by Lineo, inc.
- * Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
+ * Copyright (C) 2000 by Matt Kraai <kraai@alumni.carnegiemellon.edu>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
*
*/
-#include "internal.h"
-#include <stdio.h>
-#include <time.h>
-#include <utime.h>
-#include <dirent.h>
-
+/* Mar 16, 2003 Manuel Novoa III (mjn3@codepoet.org)
+ *
+ * Size reduction and improved error checking.
+ */
-static const char mv_usage[] = "mv SOURCE DEST\n"
-" or: mv SOURCE... DIRECTORY\n"
-"Rename SOURCE to DEST, or move SOURCE(s) to DIRECTORY.\n";
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <dirent.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <getopt.h> /* struct option */
+#include "busybox.h"
+#include "libcoreutils/coreutils.h"
+#if ENABLE_FEATURE_MV_LONG_OPTIONS
+static const struct option mv_long_options[] = {
+ { "interactive", 0, NULL, 'i' },
+ { "force", 0, NULL, 'f' },
+ { 0, 0, 0, 0 }
+};
+#endif
-static const char *srcName;
-static const char *destName;
-static const char *skipName;
-static int dirFlag = FALSE;
+#define OPT_FILEUTILS_FORCE 1
+#define OPT_FILEUTILS_INTERACTIVE 2
+static const char fmt[] = "cannot overwrite %sdirectory with %sdirectory";
-extern int mv_main(int argc, char **argv)
+int mv_main(int argc, char **argv)
{
- char newdestName[NAME_MAX];
-
- if (argc < 3) {
- usage (mv_usage);
- }
- argc--;
- argv++;
-
- destName = argv[argc - 1];
- dirFlag = isDirectory(destName);
-
- if ((argc > 3) && dirFlag==FALSE) {
- fprintf(stderr, "%s: not a directory\n", destName);
- exit (FALSE);
- }
-
- while (argc-- > 1) {
- srcName = *(argv++);
- skipName = strrchr(srcName, '/');
- if (skipName)
- skipName++;
- strcpy(newdestName, destName);
- if (dirFlag==TRUE) {
- strcat(newdestName, "/");
- if ( skipName != NULL)
- strcat(newdestName, strstr(srcName, skipName));
- }
- if (copyFile(srcName, newdestName, FALSE, FALSE) == FALSE) {
- exit( FALSE);
+ struct stat dest_stat;
+ const char *last;
+ const char *dest;
+ unsigned long flags;
+ int dest_exists;
+ int status = 0;
+
+#if ENABLE_FEATURE_MV_LONG_OPTIONS
+ bb_applet_long_options = mv_long_options;
+#endif
+ bb_opt_complementally = "f-i:i-f";
+ flags = bb_getopt_ulflags(argc, argv, "fi");
+ if (optind + 2 > argc) {
+ bb_show_usage();
}
- if (unlink (srcName) < 0) {
- perror (srcName);
- exit( FALSE);
+
+ last = argv[argc - 1];
+ argv += optind;
+
+ if (optind + 2 == argc) {
+ if ((dest_exists = cp_mv_stat(last, &dest_stat)) < 0) {
+ return 1;
+ }
+
+ if (!(dest_exists & 2)) {
+ dest = last;
+ goto DO_MOVE;
+ }
}
- }
- exit( TRUE);
+
+ do {
+ dest = concat_path_file(last, bb_get_last_path_component(*argv));
+
+ if ((dest_exists = cp_mv_stat(dest, &dest_stat)) < 0) {
+ goto RET_1;
+ }
+
+DO_MOVE:
+
+ if (dest_exists && !(flags & OPT_FILEUTILS_FORCE) &&
+ ((access(dest, W_OK) < 0 && isatty(0)) ||
+ (flags & OPT_FILEUTILS_INTERACTIVE))) {
+ if (fprintf(stderr, "mv: overwrite `%s'? ", dest) < 0) {
+ goto RET_1; /* Ouch! fprintf failed! */
+ }
+ if (!bb_ask_confirmation()) {
+ goto RET_0;
+ }
+ }
+ if (rename(*argv, dest) < 0) {
+ struct stat source_stat;
+ int source_exists;
+
+ if (errno != EXDEV ||
+ (source_exists = cp_mv_stat(*argv, &source_stat)) < 1) {
+ bb_perror_msg("unable to rename `%s'", *argv);
+ } else {
+ if (dest_exists) {
+ if (dest_exists == 3) {
+ if (source_exists != 3) {
+ bb_error_msg(fmt, "", "non-");
+ goto RET_1;
+ }
+ } else {
+ if (source_exists == 3) {
+ bb_error_msg(fmt, "non-", "");
+ goto RET_1;
+ }
+ }
+ if (unlink(dest) < 0) {
+ bb_perror_msg("cannot remove `%s'", dest);
+ goto RET_1;
+ }
+ }
+ if ((copy_file(*argv, dest,
+ FILEUTILS_RECUR | FILEUTILS_PRESERVE_STATUS) >= 0) &&
+ (remove_file(*argv, FILEUTILS_RECUR | FILEUTILS_FORCE) >= 0)) {
+ goto RET_0;
+ }
+ }
+RET_1:
+ status = 1;
+ }
+RET_0:
+ if (dest != last) {
+ free((void *) dest);
+ }
+ } while (*++argv != last);
+
+ return (status);
}