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Renaming directories currently have an issue. If you

Browse Source 
rename (mv) a directory, its contents "disappear". To
get the contents back, just re-create the directory.

This issue has led to more than one support issues.
This patch disallows renaming of directories and
returns a operation not supported message, e.g.

% mv dir1 dir2
mv: cannot move `dir1' to `dir2': Operation not supported

Another observation is that when a directory was renamed
it loses its directory status and becomes a normal file.

This is a first step to allow for supporting directory
renames. 



git-svn-id: http://s3fs.googlecode.com/svn/trunk@260 df820570-a93a-0410-bd06-b72b767a4274
This commit is contained in:
mooredan@suncup.net 2010-11-23 22:41:58 +00:00
parent 58be75f036
commit b7fc931962
1 changed files with 25 additions and 2 deletions
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27
src/s3fs.cpp
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@ -1022,7 +1022,7 @@ static int s3fs_rmdir(const char *path) {
VERIFY(my_curl_easy_perform(curl.get())); VERIFY(my_curl_easy_perform(curl.get()));
cout << endl << responseText << endl; // cout << endl << responseText << endl;
if (responseText.find ("<CommonPrefixes>") != std::string::npos || if (responseText.find ("<CommonPrefixes>") != std::string::npos ||
responseText.find ("<ETag>") != std::string::npos ) { responseText.find ("<ETag>") != std::string::npos ) {
// directory is not empty // directory is not empty
@ -1077,6 +1077,29 @@ static int s3fs_symlink(const char *from, const char *to) {
static int s3fs_rename(const char *from, const char *to) { static int s3fs_rename(const char *from, const char *to) {
cout << "rename[from=" << from << "][to=" << to << "]" << endl; cout << "rename[from=" << from << "][to=" << to << "]" << endl;
// renaming (moving) directories is not supported at this time
// if the first argument is a directory, report the limitation
// and do nothing, this prevents the directory's children
// from just disappearing
//
// TODO: support directory renaming
struct stat buf;
int result;
string fullpath;
fullpath = mountpoint;
fullpath.append(from);
result = stat(fullpath.c_str(), &buf);
if (result == -1) {
syslog(LOG_ERR, "###file: %s code:%d error:%s", from, result, strerror(errno));
} else {
if (S_ISDIR( buf.st_mode )) {
return -ENOTSUP;
}
}
// preserve meta headers across rename // preserve meta headers across rename
headers_t meta; headers_t meta;
VERIFY(get_headers(from, meta)); VERIFY(get_headers(from, meta));
@ -1086,7 +1109,7 @@ static int s3fs_rename(const char *from, const char *to) {
meta["Content-Type"] = lookupMimeType(to); meta["Content-Type"] = lookupMimeType(to);
meta["x-amz-metadata-directive"] = "REPLACE"; meta["x-amz-metadata-directive"] = "REPLACE";
int result = put_headers(to, meta); result = put_headers(to, meta);
if (result != 0) if (result != 0)
return result; return result;