Fix plan_path output

Author: dflook

.github/workflows/test-binary-plan.yaml

@@ -6,7 +6,7 @@ on:
 jobs:
   missing_plan_path:
     runs-on: ubuntu-latest
-    name: Auto Approve
+    name: Missing plan
     steps:
       - name: Checkout
         uses: actions/checkout@v3
@@ -53,7 +53,7 @@ jobs:
 
   auto_approve:
     runs-on: ubuntu-latest
-    name: Apply approved changes
+    name: Apply auto approved changes
     steps:
       - name: Checkout
         uses: actions/checkout@v3

image/entrypoints/plan.sh

@@ -92,7 +92,7 @@ set_output text_plan_path "$WORKSPACE_TMP_DIR/plan.txt"
 
 if [[ -n "$PLAN_OUT" ]]; then
     cp "$PLAN_OUT" "$GITHUB_WORKSPACE/$WORKSPACE_TMP_DIR/plan.tfplan"
-    set_output plan_path "$GITHUB_WORKSPACE/$WORKSPACE_TMP_DIR/plan.tfplan"
+    set_output plan_path "$WORKSPACE_TMP_DIR/plan.tfplan"
 
     if (cd "$INPUT_PATH" && $TOOL_COMMAND_NAME show -json "$PLAN_OUT") >"$GITHUB_WORKSPACE/$WORKSPACE_TMP_DIR/plan.json" 2>"$STEP_TMP_DIR/terraform_show.stderr"; then
         set_output json_plan_path "$WORKSPACE_TMP_DIR/plan.json"

tests/workflows/test-binary-plan/main.tf

@@ -0,0 +1,7 @@
+resource "random_string" "my_string" {
+  length      = 11
+}
+
+output "output_string" {
+  value = "the_string"
+}