Pin protobuf to version 2.18.1

To make it compatible with older tls-api etc

Author: stepancheg

grpc-compiler/Cargo.toml

@@ -7,8 +7,8 @@ authors = ["Stepan Koltsov <[email protected]>"]
 edition = "2018"
 
 [dependencies]
-protobuf = "2"
-protobuf-codegen = "2"
+protobuf = "~2.18.1"
+protobuf-codegen = "~2.18.1"
 
 [[bin]]
 

grpc-compiler/test-protoc-plugin/Cargo.toml

@@ -7,7 +7,7 @@ edition = "2018"
 
 [dependencies]
 tls-api         = "0.4.*"
-protobuf        = "2"
+protobuf        = "~2.18.1"
 grpc            = { path = "../../grpc" }
 grpc-protobuf   = { path = "../../grpc-protobuf" }
 

grpc-examples/greeter/Cargo.toml

@@ -15,12 +15,12 @@ path = "../../grpc"
 path = "../../grpc-protobuf"
 
 [dependencies]
-protobuf        = "2"
+protobuf        = "~2.18.1"
 futures         = "0.3.*"
 tls-api            = "0.4.*"
 tls-api-native-tls = "0.4.*"
-#httpbis         = "~0.9"
-httpbis         = { git = "https://github.com/stepancheg/rust-http2" }
+httpbis         = "~0.9"
+#httpbis         = { git = "https://github.com/stepancheg/rust-http2" }
 env_logger      = "~0.5"
 
 [build-dependencies]

grpc-examples/route_guide/Cargo.toml

@@ -15,7 +15,7 @@ path = "../../grpc"
 path = "../../grpc-protobuf"
 
 [dependencies]
-protobuf        = "2"
+protobuf        = "~2.18.1"
 futures         = "0.3.*"
 tls-api            = "0.4.*"
 tls-api-native-tls = "0.4.*"

grpc-protobuf/Cargo.toml

@@ -11,7 +11,7 @@ keywords = ["grpc"]
 edition = "2018"
 
 [dependencies]
-protobuf        = { version = "2", features = ["with-bytes"] }
+protobuf        = { version = "~2.18.1", features = ["with-bytes"] }
 grpc = { path = "../grpc", version = "=0.9.0-pre" }
 bytes           = "0.5.*"
 

grpc/Cargo.toml

@@ -15,8 +15,8 @@ log             = "0.4"
 log-ndc         = "0.2.*"
 futures         = "0.3.1"
 tokio           = { version = "~0.2.6", features = ["net", "uds", "io-util", "time"] }
-#httpbis         = "~0.9"
-httpbis         = { git = "https://github.com/stepancheg/rust-http2" }
+httpbis         = "~0.9"
+#httpbis         = { git = "https://github.com/stepancheg/rust-http2" }
 tls-api         = "0.4.*"
 tls-api-stub    = "0.4.*"
 bytes           = "0.5.*"

interop/Cargo.toml

@@ -16,7 +16,7 @@ path = "../grpc-protobuf"
 bytes           = "0.5.*"
 log             = "0.4.*"
 env_logger      = "~0.5"
-protobuf        = "2"
+protobuf        = "~2.18.1"
 futures         = "0.3.*"
 tls-api         = "0.4.*"
 chrono          = "0.2.25"

long-tests/with-rust/Cargo.toml

@@ -17,7 +17,7 @@ path = "../../grpc-protobuf"
 [dependencies]
 log             = "0.4.*"
 env_logger      = "~0.5"
-protobuf        = "2"
+protobuf        = "~2.18.1"
 tls-api         = "0.4.*"
 futures         = "0.3.*"
 

protoc-rust-grpc/Cargo.toml

@@ -15,8 +15,8 @@ doctest = false
 test = false
 
 [dependencies]
-protoc        = "2"
-protoc-rust   = "2"
-protobuf      = "2"
+protoc        = "~2.18.1"
+protoc-rust   = "~2.18.1"
+protobuf      = "~2.18.1"
 grpc-compiler = { path = "../grpc-compiler", version = "=0.9.0-pre" }
 tempdir       = "0.3"