fix: virtual file, write, unlink, chmod, rename, truncate

divyenduz · Nov 10, 2023 · 7f9a334 · 7f9a334
1 parent 3616a9b
commit 7f9a334
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Showing 6 changed files with 33 additions and 0 deletions.
diff --git a/packages/fuse-client/syscalls/chmod.ts b/packages/fuse-client/syscalls/chmod.ts
@@ -8,6 +8,12 @@ export const chmod: (backend: SQLiteBackend) => MountOptions["chmod"] = (
 ) => {
   return async (path, mode, cb) => {
     console.info("chmod(%s, %d)", path, mode);
+
+    if (backend.isVirtualFile(path)) {
+      cb(0);
+      return;
+    }
+
     const r = await backend.updateMode(path, mode);
     match(r)
       .with({ status: "ok" }, () => {

diff --git a/packages/fuse-client/syscalls/rename.ts b/packages/fuse-client/syscalls/rename.ts
@@ -6,6 +6,13 @@ export const rename: (backend: SQLiteBackend) => MountOptions["rename"] = (
 ) => {
   return async (srcPath, destPath, cb) => {
     console.info("rename(%s, %s)", srcPath, destPath);
+
+    if (backend.isVirtualFile(srcPath)) {
+      await backend.createFile(destPath, "file", 33188, 0, 0);
+      cb(0);
+      return;
+    }
+
     const r = await backend.renameFile(srcPath, destPath);
     if (r.status === "ok") {
       cb(0);

diff --git a/packages/fuse-client/syscalls/truncate.ts b/packages/fuse-client/syscalls/truncate.ts
@@ -7,6 +7,12 @@ export const truncate: (backend: SQLiteBackend) => MountOptions["truncate"] = (
 ) => {
   return async (path, size, cb) => {
     console.info("truncate(%s, %d)", path, size);
+
+    if (backend.isVirtualFile(path)) {
+      cb(0);
+      return;
+    }
+
     const r = await backend.truncateFile(path, size);
     await match(r)
       .with({ status: "ok" }, async (r) => {

diff --git a/packages/fuse-client/syscalls/unlink.ts b/packages/fuse-client/syscalls/unlink.ts
@@ -6,6 +6,12 @@ export const unlink: (backend: SQLiteBackend) => MountOptions["unlink"] = (
 ) => {
   return async (path, cb) => {
     console.info("unlink(%s)", path);
+
+    if (backend.isVirtualFile(path)) {
+      cb(0);
+      return;
+    }
+
     const r = await backend.deleteFile(path);
     if (r.status === "ok") {
       cb(0);

diff --git a/packages/fuse-client/syscalls/write.ts b/packages/fuse-client/syscalls/write.ts
@@ -6,6 +6,13 @@ export const write: (backend: SQLiteBackend) => MountOptions["write"] = (
 ) => {
   return async (path, fd, buf, len, pos, cb) => {
     console.info("write(%s, %d, %d, %d)", path, fd, len, pos);
+
+    if (backend.isVirtualFile(path)) {
+      const chunk = Buffer.from(buf, pos, len);
+      cb(chunk.length);
+      return;
+    }
+
     const chunk = Buffer.from(buf, pos, len);
     // TODO: This may throw (because of flush!, what should happen then?)
     await backend.write(path, { content: chunk, offset: pos, size: len });

diff --git a/packages/sqlite-backend/SQLiteBackend.ts b/packages/sqlite-backend/SQLiteBackend.ts
@@ -414,6 +414,7 @@ export class SQLiteBackend implements Backend {
   }
 
   async deleteFile(filepath: string) {
+    const links = await this.prisma.link.findMany();
     try {
       const { link } = await this.prisma.$transaction(async (tx) => {
         const link = await this.prisma.link.findFirstOrThrow({