diff options
| author | Eelco Dolstra <e.dolstra@tudelft.nl> | 2008-08-14T13·02+0000 |
|---|---|---|
| committer | Eelco Dolstra <e.dolstra@tudelft.nl> | 2008-08-14T13·02+0000 |
| commit | db4f4a842515392a6b40f5c86b2ef885c1278451 (patch) | |
| tree | 1a4cf69719915670d17ccb742655397f4b427390 /src | |
| parent | 1b962fc7206bf3134b2a2097d3db0ee6d2863c47 (diff) | |
* Backward compatibility check to prevent nixos-rebuild from barfing
when upgrading Nix.
Diffstat (limited to 'src')
| -rw-r--r-- | src/libstore/remote-store.cc | 1 | ||||
| -rw-r--r-- | src/libstore/worker-protocol.hh | 2 |
2 files changed, 2 insertions, 1 deletions
diff --git a/src/libstore/remote-store.cc b/src/libstore/remote-store.cc index bc04c8adb9ab..66e5256422b6 100644 --- a/src/libstore/remote-store.cc +++ b/src/libstore/remote-store.cc @@ -216,6 +216,7 @@ bool RemoteStore::hasSubstitutes(const Path & path) bool RemoteStore::querySubstitutablePathInfo(const Path & path, SubstitutablePathInfo & info) { + if (GET_PROTOCOL_MINOR(daemonVersion) < 3) return false; writeInt(wopQuerySubstitutablePathInfo, to); writeString(path, to); processStderr(); diff --git a/src/libstore/worker-protocol.hh b/src/libstore/worker-protocol.hh index 1146f9577025..63e3f0eb8922 100644 --- a/src/libstore/worker-protocol.hh +++ b/src/libstore/worker-protocol.hh @@ -8,7 +8,7 @@ namespace nix { #define WORKER_MAGIC_1 0x6e697863 #define WORKER_MAGIC_2 0x6478696f -#define PROTOCOL_VERSION 0x102 +#define PROTOCOL_VERSION 0x103 #define GET_PROTOCOL_MAJOR(x) ((x) & 0xff00) #define GET_PROTOCOL_MINOR(x) ((x) & 0x00ff) |