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+[![CircleCI](https://circleci.com/gh/sylvia7788/contextcheck.svg?style=svg)](https://circleci.com/gh/sylvia7788/contextcheck)
+
+
+# contextcheck
+
+`contextcheck` is a static analysis tool, it is used to check the function whether use a non-inherited context, which will result in a broken call link.
+
+For example:
+
+```go
+func call1(ctx context.Context) {
+    ...
+
+    ctx = getNewCtx(ctx)
+    call2(ctx) // OK
+
+    call2(context.Background()) // Non-inherited new context, use function like `context.WithXXX` instead
+
+    call3() // Function `call3` should pass the context parameter
+    ...
+}
+
+func call2(ctx context.Context) {
+    ...
+}
+
+func call3() {
+    ctx := context.TODO()
+    call2(ctx)
+}
+
+func getNewCtx(ctx context.Context) (newCtx context.Context) {
+    ...
+    return
+}
+```
+
+## Installation
+
+You can get `contextcheck` by `go get` command.
+
+```bash
+$ go get -u github.com/sylvia7788/contextcheck
+```
+
+or build yourself.
+
+```bash
+$ make build
+$ make install
+```
+
+## Usage
+
+Invoke `contextcheck` with your package name
+
+```bash
+$ contextcheck ./...
+$ # or
+$ go vet -vettool=`which contextcheck` ./...
+```