chore(tvix/tools): move crunch-v2 to //users/edef r/8798

This is not a core Tvix tool, it's some sort of one-off analysis thing.

Change-Id: I05fcbed45abad27d6b5cfd49db1727249dad3971
Reviewed-on: https://cl.tvl.fyi/c/depot/+/12603
Autosubmit: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI
Reviewed-by: edef <edef@edef.eu>

1 files changed, 38 insertions, 0 deletions

diff --git a/users/edef/crunch-v2/protos/flatstore.proto b/users/edef/crunch-v2/protos/flatstore.proto
new file mode 100644
index 000000000000..2f2838fc75c2
--- /dev/null
+++ b/users/edef/crunch-v2/protos/flatstore.proto
@@ -0,0 +1,38 @@
+syntax = "proto3";
+
+package tvix.flatstore.v1;
+
+message Path {
+    bytes nar_hash = 1;
+
+    oneof node {
+        DirectoryNode directory = 2;
+        FileNode file = 3;
+        SymlinkNode symlink = 4;
+    }
+}
+
+message DirectoryNode {
+    bytes name = 1;
+    repeated DirectoryNode directories = 2;
+    repeated FileNode files = 3;
+    repeated SymlinkNode symlinks = 4;
+}
+
+message FileNode {
+    bytes name = 1;
+    bytes hash = 2;
+    repeated Chunk chunks = 3;
+    bool executable = 4;
+}
+
+message Chunk {
+    bytes hash = 1;
+    uint32 size = 2;
+    uint32 size_compressed = 3;
+}
+
+message SymlinkNode {
+    bytes name = 1;
+    bytes target = 2;
+}