cue native: environments can reference a module instead of embedding

one.

Fixes #631

Signed-off-by: Andrea Luzzardi <aluzzardi@gmail.com>

tests/cli.bats

@@ -38,6 +38,52 @@ setup() {
     assert_failure
 }
 
+# create different environments from the same module
+@test "dagger new: modules" {
+    "$DAGGER" init
+
+    ln -s "$TESTDIR"/cli/input/simple "$DAGGER_WORKSPACE"/plan
+
+    "$DAGGER" new "a" --module "$DAGGER_WORKSPACE"/plan
+    "$DAGGER" new "b" --module "$DAGGER_WORKSPACE"/plan
+
+    "$DAGGER" input -e "a" text "input" "a"
+    "$DAGGER" input -e "b" text "input" "b"
+
+    "$DAGGER" up -e "a"
+    "$DAGGER" up -e "b"
+
+    run "$DAGGER" query -l error -e "a" input -f text
+    assert_success
+    assert_output "a"
+
+    run "$DAGGER" query -l error -e "b" input -f text
+    assert_success
+    assert_output "b"
+}
+
+# create different environments from the same module,
+# using different packages.
+@test "dagger new: packages" {
+    "$DAGGER" init
+
+    ln -s "$TESTDIR"/cli/packages "$DAGGER_WORKSPACE"/plan
+
+    "$DAGGER" new "a" --module "$DAGGER_WORKSPACE"/plan --package dagger.io/test/a
+    "$DAGGER" new "b" --module "$DAGGER_WORKSPACE"/plan --package dagger.io/test/b
+
+    "$DAGGER" up -e "a"
+    "$DAGGER" up -e "b"
+
+    run "$DAGGER" query -l error -e "a" exp -f text
+    assert_success
+    assert_output "a"
+
+    run "$DAGGER" query -l error -e "b" exp -f text
+    assert_success
+    assert_output "b"
+}
+
 @test "dagger query" {
     "$DAGGER" init
 

tests/cli/packages/a/main.cue

@@ -0,0 +1,19 @@
+package a
+
+import "dagger.io/dagger/op"
+
+exp: {
+	string
+	#up: [
+		op.#FetchContainer & {ref: "busybox"},
+		op.#Exec & {
+			args: ["sh", "-c", """
+				printf a > /export
+				"""]
+		},
+		op.#Export & {
+			source: "/export"
+			format: "string"
+		},
+	]
+}

tests/cli/packages/b/main.cue

@@ -0,0 +1,19 @@
+package b
+
+import "dagger.io/dagger/op"
+
+exp: {
+	string
+	#up: [
+		op.#FetchContainer & {ref: "busybox"},
+		op.#Exec & {
+			args: ["sh", "-c", """
+				printf b > /export
+				"""]
+		},
+		op.#Export & {
+			source: "/export"
+			format: "string"
+		},
+	]
+}

tests/cli/packages/cue.mod/module.cue

@@ -0,0 +1 @@
+module: "dagger.io/test"

tests/helpers.bash

@@ -20,11 +20,11 @@ common_setup() {
 dagger_new_with_plan() {
     local name="$1"
     local sourcePlan="$2"
-    local targetPlan="$DAGGER_WORKSPACE"/.dagger/env/"$name"/plan
+    local targetPlan="$DAGGER_WORKSPACE"/"$name"
 
-    "$DAGGER" new "$name"
-    rmdir "$targetPlan"
     ln -s "$sourcePlan" "$targetPlan"
+    "$DAGGER" new "$name" --module "$targetPlan"
+
 }
 
 skip_unless_secrets_available() {