Now supports creation of the target path if necessary.

Now supports renaming while copying if another target name was given.
Forgot to add license (applies for previous versions as well).


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@7407 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/tools/copy_to_bfs_image/copy_to_bfs_image.cpp

@@ -1,4 +1,6 @@
 /*
+** Copyright 2004, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
+** Distributed under the terms of the OpenBeOS License.
 */
 
 #include <stdio.h>
@@ -122,7 +124,7 @@ copy_dir(const char *fromPath, const char *toPath)
 		if (st.st_mode & S_IFDIR) {
 			char path[1024];
 
-			if ((err = sys_mkdir(1, -1, path, MY_S_IRWXU)) == B_OK)
+			if ((err = sys_mkdir(1, -1, path, S_IRWXU)) == B_OK)
 				copy_dir(fromName, path);
 			else
 				printf("Could not create directory %s: (%s)\n", path, strerror(err));
@@ -154,11 +156,8 @@ copy(const char *from, const char *to)
 
 	struct stat toStat;
 	status_t status = sys_rstat(1, -1, toPath, &toStat, 1);
-	if (status != B_OK) {
-		fprintf(stderr, "Could not stat \"%s\": %s\n", to, strerror(status));
-		return status;
-	}
-	
+		// will be evaluated later
+
 	if (S_ISDIR(fromStat.st_mode)) {
 		if (S_ISREG(toStat.st_mode)) {
 			fprintf(stderr, "Target \"%s\" is not a directory\n.", to);
@@ -166,14 +165,14 @@ copy(const char *from, const char *to)
 		}
 
 		return copy_dir(from, toPath);
-	} else {
+	} else if (status == B_OK) {
 		if (S_ISREG(toStat.st_mode)) {
 			// overwrite target file
 			return copy_file(from, fromStat, toPath);
 		} else {
 			// copy into target directory
 			strlcat(toPath, "/", B_PATH_NAME_LENGTH);
-			
+
 			const char *fileName = strrchr(from, '/');
 			if (fileName == NULL)
 				fileName = from;
@@ -184,6 +183,58 @@ copy(const char *from, const char *to)
 
 			return copy_file(from, fromStat, toPath);
 		}
+	} else {
+		// stat(target) failed, so it doesn't exist yet - if
+		// the target doesn't end in "/", that's should not
+		// be a problem, just copy the file under the new name
+
+		if (toPath[strlen(toPath) - 1] == '/') {
+			fprintf(stderr, "Could not stat \"%s\": %s\n", to, strerror(status));
+			return status;
+		}
+
+		return copy_file(from, fromStat, toPath);
+	}
+}
+
+
+void
+create_target_path(const char *to, bool lastOneIsDirectory)
+{
+	char path[B_PATH_NAME_LENGTH];
+	snprintf(path, B_PATH_NAME_LENGTH, "/myfs/%s", to);
+
+	to = path + 6;
+		// locate "to" to the start of the file system
+
+	while (true) {
+		char *next = strchr(to, '/');
+		if (next == NULL && !lastOneIsDirectory || next == NULL && to[0] == '\0')
+			break;
+
+		if (next == to) {
+			// filter "//" like path parts
+			to++;
+			continue;
+		}
+
+		if (next)
+			next[0] = '\0';
+
+		// create path
+
+		printf("create path for: %s\n", path);
+		status_t status = sys_mkdir(1, -1, path, S_IRWXU);
+		if (status != B_OK && status != B_FILE_EXISTS) {
+			printf("failed: %s!\n", strerror(status));
+			break;
+		}
+
+		if (next != NULL) {
+			next[0] = '/';
+			to = next + 1;
+		} else
+			break;
 	}
 }
 
@@ -191,7 +242,8 @@ copy(const char *from, const char *to)
 void
 usage(const char *programName)
 {
-	printf("usage: %s <bfs-image> <source-files ...> <target>\n", programName);
+	printf("usage: %s [-p] <bfs-image> <source-files ...> <target>\n"
+		"  -p  Creates the target path if necessary\n", programName);
 	exit(-1);
 }
 
@@ -199,12 +251,20 @@ usage(const char *programName)
 int
 main(int argc, char **argv)
 {
+	bool createTargetPath = false;
+
 	const char *programName = strrchr(argv[0], '/');
 	if (programName == NULL)
 		programName = argv[0];
 	else
 		programName++;
 
+	if (argc > 2 && !strcmp(argv[1], "-p")) {
+		// read options in an ugly and simple way
+		createTargetPath = true;
+		argv++;
+		argc--;
+	}
 	if (argc < 4)
 		usage(programName);
 
@@ -213,6 +273,11 @@ main(int argc, char **argv)
 
 	init_fs(image);
 
+	if (createTargetPath) {
+		// make sure the target path exists
+		create_target_path(target, argc > 3 || target[strlen(target) - 1] == '/');
+	}
+
 	for (int32 i = 2; i < argc - 1; i++) {
 		printf("copy \"%s\" to \"%s\"\n", argv[i], target);
 		if (copy(argv[i], target) < B_OK)