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symlink support for mount

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This commit is contained in:
Stepan Usatiuk
2023-07-14 23:12:22 +02:00
parent b0522a6871
commit b12bb28146
2 changed files with 50 additions and 66 deletions
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22
src/fuse/srcs/RepoFS.cpp
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@@ -43,6 +43,10 @@ static int rfsGetattr(const char *path, struct stat *stbuf) {
stbuf->st_mode = S_IFREG | 0444;
stbuf->st_nlink = 1;
stbuf->st_size = e->file->bytes;
} else if (e->file->fileType == File::Type::Symlink) {
stbuf->st_mode = S_IFLNK | 0777;
stbuf->st_nlink = 1;
stbuf->st_size = e->file->bytes;
}
} catch (...) { return -ENOENT; }
@@ -122,8 +126,21 @@ static int rfsRead(const char *path, char *buf, size_t size, off_t offset,
return size;
}
static int rfsReadlink(const char *path, char *buf, size_t size) {
DirEntry *entry = &RepoFS::root;
if (std::string(path) != "/")
try {
entry = getf(path);
} catch (...) { return -ENOENT; }
if (entry->file->fileType != File::Type::Symlink) return -ENOENT;
auto dst = Serialize::deserialize<Chunk>(RepoFS::repo->getObject(entry->file->chunks.at(0)));
strncpy(buf, dst.data.data(), std::min(dst.data.size(), size));
}
static struct fuse_operations rfsOps = {
.getattr = rfsGetattr,
.readlink = rfsReadlink,
.open = rfsOpen,
.read = rfsRead,
.readdir = rfsReaddir,
@@ -136,11 +153,6 @@ void RepoFS::start(Repository *repo, std::string path) {
auto a = Serialize::deserialize<Archive>(repo->getObject(r.second));
for (auto const &f: a.files) {
auto file = Serialize::deserialize<File>(repo->getObject(f));
// TODO: symlinks
if (file.fileType == File::Type::Symlink) {
std::cerr << "Symlinks not supported yet!" << std::endl;
continue;
}
auto path = std::filesystem::u8path(file.name);
DirEntry *entry = &(root.children[std::to_string(a.id)]);
entry->isFakeDir = true;