justfile runner (#92)

docs/index.md

@@ -1 +1,6 @@
-# Getting started
+# Getting started
+
+## Requirements
+
+- [Rust](https://rustup.rs/)
+- [just](https://github.com/casey/just)

examples/simple/justfile

@@ -0,0 +1,8 @@
+set windows-shell := ["pwsh.exe", "-c"]
+
+build:
+    cargo run -p cargo-pulumi
+
+run:
+    just build
+    cargo run -p pulumi_wasm_runner -- run --wasm ../../target/wasm32-wasi/debug/composed.wasm

justfile

@@ -39,3 +39,6 @@ regenerate-providers:
 
 test:
     cargo test --all
+
+docs:
+    docker run --rm -it -p 8000:8000 -v ${PWD}:/docs squidfunk/mkdocs-material

pulumi-language-wasm/executors/executor.go

@@ -57,14 +57,13 @@ type wasmExecutorFactory interface {
 
 func NewWasmExecutor(opts WasmExecutorOptions) (*WasmExecutor, error) {
 	e, err := combineWasmExecutorFactories(
-		&windows{},
-		&unix{},
+		&justfile{},
 	).NewWasmExecutor(opts)
 	if err != nil {
 		return nil, err
 	}
 	if e == nil {
-		return nil, fmt.Errorf("failed to configure executor, tried: entrypoint.bat, entrypoint.sh")
+		return nil, fmt.Errorf("failed to configure executor, tried: justfile")
 	}
 	return e, nil
 }

pulumi-language-wasm/executors/executor_justfile_os.go

@@ -0,0 +1,33 @@
+// Copyright 2022, Pulumi Corporation.  All rights reserved.
+
+package executors
+
+import (
+	"github.com/andrzejressel/pulumi-wasm/pulumi-language-wasm/fsys"
+)
+
+type justfile struct{}
+
+var _ wasmExecutorFactory = &justfile{}
+
+func (s justfile) NewWasmExecutor(opts WasmExecutorOptions) (*WasmExecutor, error) {
+	exists, err := fsys.FileExists(opts.WD, "justfile")
+	if err != nil {
+		return nil, err
+	}
+	if !exists {
+		return nil, nil
+	}
+	return s.newWasmCliExecutor()
+}
+
+func (justfile) newWasmCliExecutor() (*WasmExecutor, error) {
+	return &WasmExecutor{
+		Name:        "just",
+		Cmd:         "just",
+		BuildArgs:   []string{"build"},
+		RunArgs:     []string{"run"},
+		PluginArgs:  []string{"plugin"},
+		VersionArgs: []string{"version"},
+	}, nil
+}