Fix and improve examples/simple

Signed-off-by: Solomon Hykes <sh.github.6811@hykes.org>

Makefile

@@ -33,3 +33,6 @@ integration: dagger-debug
 	./examples/tests/test-test.sh 2>/dev/null
 	# Actual integration tests
 	DAGGER_BINARY="./cmd/dagger/dagger-debug" time ./examples/tests/test.sh all
+
+update-examples:
+	cp ./dagger/spec.cue ./examples/simple/cue.mod/pkg/dagger.cloud/dagger/dagger.cue

examples/simple/cue.mod/pkg/dagger.cloud/dagger/dagger.cue

@@ -32,11 +32,15 @@ package dagger
 // by scripts defining how to compute it, present it to a user,
 // encrypt it, etc.
 
-// FIXME: #Component will not match embedded scalars.
-//   use Runtime.isComponent() for a reliable check
 #Component: {
+	// Match structs
 	#dagger: #ComponentConfig
 	...
+} | {
+	// Match embedded strings
+	// FIXME: match all embedded scalar types
+	string
+	#dagger: #ComponentConfig
 }
 
 // The contents of a #dagger annotation
@@ -65,7 +69,7 @@ package dagger
 #Local: {
 	do:       "local"
 	dir:      string
-	include?: [...string] | *[]
+	include: [...string] | *[]
 }
 
 // FIXME: bring back load (more efficient than copy)
@@ -81,17 +85,17 @@ package dagger
 	env?: [string]: string
 	always?: true | *false
 	dir:     string | *"/"
-	mount?: [string]: #MountTmp | #MountCache | #MountComponent | #MountScript
+	mount: [string]: #MountTmp | #MountCache | #MountComponent | #MountScript
 }
 
 #MountTmp:   "tmpfs"
 #MountCache: "cache"
 #MountComponent: {
-	input: #Component
+	from: #Component
 	path:  string | *"/"
 }
 #MountScript: {
-	input: #Script
+	from: #Script
 	path:  string | *"/"
 }
 
@@ -107,13 +111,8 @@ package dagger
 }
 
 #Copy: {
-	do:    "copy"
-	from:  #Script | #Component
+	do:   "copy"
+	from: #Script | #Component
 	src:  string | *"/"
 	dest: string | *"/"
 }
-
-#TestScript: #Script & [
-		{do: "fetch-container", ref: "alpine:latest"},
-		{do: "exec", args: ["echo", "hello", "world"]},
-]

examples/simple/simple.cue

@@ -21,6 +21,26 @@ www: {
 		#dagger: compute: _
 	}
 
+	// List the contents of the source directory
+	listing: {
+		string
+
+		#dagger: compute: [
+			dagger.#Load & {
+				from: base
+			},
+			dagger.#Exec & {
+				args: ["sh", "-c", "ls /src > /tmp/out"]
+				mount: "/src": {
+					from: source
+				}
+			},
+			dagger.#Export & {
+				source: "/tmp/out"
+			}
+		]
+	}
+
 	host: string
 
 	url: {
@@ -30,12 +50,9 @@ www: {
 			dagger.#Load & { from: base },
 			dagger.#Exec & {
 				args: ["sh", "-c", "echo -n 'https://\(host)/foo' > /tmp/out"]
-				// https://github.com/blocklayerhq/dagger/issues/6
-				mount: foo: {}
 			},
 			dagger.#Export & {
-				// https://github.com/blocklayerhq/dagger/issues/8
-				// source: "/tmp/out"
+				source: "/tmp/out"
 			},
 		]
 	}