+/* 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 <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
#include <dirent.h>
+#include <errno.h>
+#include <stdlib.h>
-static const char mv_usage[] = "mv SOURCE DEST\n"
-" or: mv SOURCE... DIRECTORY\n\n"
-"Rename SOURCE to DEST, or move SOURCE(s) to DIRECTORY.\n";
+#include "busybox.h"
+static int flags;
-static const char *srcName;
-static const char *destName;
-static int destDirFlag = FALSE;
-static int srcDirFlag = FALSE;
-
-static int fileAction(const char *fileName, struct stat* statbuf)
+static int manual_rename(const char *source, const char *dest)
{
- char newdestName[NAME_MAX];
-
- strcpy(newdestName, destName);
- if ( srcDirFlag == TRUE ) {
- strcat(newdestName, strstr(fileName, srcName) + strlen(srcName));
- }
-
- if (destDirFlag==TRUE && srcDirFlag == FALSE) {
- if (newdestName[strlen(newdestName)-1] != '/' ) {
- strcat(newdestName, "/");
+ struct stat source_stat;
+ struct stat dest_stat;
+ int source_exists = 1;
+ int dest_exists = 1;
+
+ if (stat(source, &source_stat) < 0) {
+ if (errno != ENOENT) {
+ perror_msg("unable to stat `%s'", source);
+ return -1;
+ }
+ source_exists = 0;
}
- strcat(newdestName, srcName);
- }
-
- return (copyFile(fileName, newdestName, TRUE, TRUE));
-}
-static int rmfileAction(const char *fileName, struct stat* statbuf)
-{
- if (unlink( fileName) < 0 ) {
- perror( fileName);
- return ( FALSE);
- }
- return ( TRUE);
+ if (stat(dest, &dest_stat) < 0) {
+ if (errno != ENOENT) {
+ perror_msg("unable to stat `%s'", dest);
+ return -1;
+ }
+ dest_exists = 0;
+ }
+
+ if (dest_exists) {
+ if (S_ISDIR(dest_stat.st_mode) &&
+ (!source_exists || !S_ISDIR(source_stat.st_mode))) {
+ error_msg("cannot overwrite directory with non-directory");
+ return -1;
+ }
+
+ if (!S_ISDIR(dest_stat.st_mode) && source_exists &&
+ S_ISDIR(source_stat.st_mode)) {
+ error_msg("cannot overwrite non-directory with directory");
+ return -1;
+ }
+
+ if (unlink(dest) < 0) {
+ perror_msg("cannot remove `%s'", dest);
+ return -1;
+ }
+ }
+
+ if (copy_file(source, dest,
+ FILEUTILS_RECUR | FILEUTILS_PRESERVE_STATUS) < 0)
+ return -1;
+
+ if (remove_file(source, FILEUTILS_RECUR | FILEUTILS_FORCE) < 0)
+ return -1;
+
+ return 0;
}
-static int rmdirAction(const char *fileName, struct stat* statbuf)
+static int move_file(const char *source, const char *dest)
{
- if (rmdir( fileName) < 0 ) {
- perror( fileName);
- return ( FALSE);
- }
- return ( TRUE);
-}
+ struct stat dest_stat;
+ int dest_exists = 1;
+ if (stat(dest, &dest_stat) < 0) {
+ if (errno != ENOENT) {
+ perror_msg("unable to stat `%s'", dest);
+ return -1;
+ }
+ dest_exists = 0;
+ }
+
+ if (dest_exists && !(flags & FILEUTILS_FORCE) &&
+ ((access(dest, W_OK) < 0 && isatty(0)) ||
+ (flags & FILEUTILS_INTERACTIVE))) {
+ fprintf(stderr, "mv: overwrite `%s'? ", dest);
+ if (!ask_confirmation())
+ return 0;
+ }
+
+ if (rename(source, dest) < 0) {
+ if (errno == EXDEV)
+ return manual_rename(source, dest);
+
+ perror_msg("unable to rename `%s'", source);
+ return -1;
+ }
+
+ return 0;
+}
extern int mv_main(int argc, char **argv)
{
- if (argc < 3) {
- usage (mv_usage);
- }
- argc--;
- argv++;
-
- destName = argv[argc - 1];
- destDirFlag = isDirectory(destName);
-
- if ((argc > 3) && destDirFlag==FALSE) {
- fprintf(stderr, "%s: not a directory\n", destName);
- exit (FALSE);
- }
-
- while (argc-- > 1) {
- srcName = *(argv++);
- srcDirFlag = isDirectory(srcName);
- if (recursiveAction(srcName, TRUE, TRUE, FALSE,
- fileAction, fileAction) == FALSE) {
- exit( FALSE);
+ int status = 0;
+ int opt;
+ int i;
+
+ while ((opt = getopt(argc, argv, "fi")) != -1)
+ switch (opt) {
+ case 'f':
+ flags &= ~FILEUTILS_INTERACTIVE;
+ flags |= FILEUTILS_FORCE;
+ break;
+ case 'i':
+ flags &= ~FILEUTILS_FORCE;
+ flags |= FILEUTILS_INTERACTIVE;
+ break;
+ default:
+ show_usage();
+ }
+
+ if (optind + 2 > argc)
+ show_usage();
+
+ if (optind + 2 == argc) {
+ struct stat dest_stat;
+ int dest_exists = 1;
+
+ if (stat(argv[optind + 1], &dest_stat) < 0) {
+ if (errno != ENOENT)
+ perror_msg_and_die("unable to stat `%s'", argv[optind + 1]);
+ dest_exists = 0;
+ }
+
+ if (!dest_exists || !S_ISDIR(dest_stat.st_mode)) {
+ if (move_file(argv[optind], argv[optind + 1]) < 0)
+ status = 1;
+ return status;
+ }
}
- if (recursiveAction(srcName, TRUE, TRUE, TRUE,
- rmfileAction, rmdirAction) == FALSE) {
- exit( FALSE);
+
+ for (i = optind; i < argc - 1; i++) {
+ char *dest = concat_path_file(argv[argc - 1],
+ get_last_path_component(argv[i]));
+ if (move_file(argv[i], dest) < 0)
+ status = 1;
+ free(dest);
}
- }
- exit( TRUE);
+
+ return status;
}
projects / oweals / busybox.git / blobdiff