Fixes #708. Refs #571.

Output from Nimble scripts' top-level statements is now
only visible with --verbose.

src/nimblepkg/nimscriptwrapper.nim

@@ -30,6 +30,12 @@ proc needsLiveOutput(actionName: string, options: Options, isHook: bool): bool =
   let isCustomTask = isCustomTask(actionName, options)
   return isCustomTask or isHook or actionName == ""
 
+proc writeExecutionOutput(data: string) =
+  # TODO: in the future we will likely want this to be live, users will
+  # undoubtedly be doing loops and other crazy things in their top-level
+  # Nimble files.
+  display("Info", data)
+
 proc execNimscript(
   nimsFile, projectDir, actionName: string, options: Options, isHook: bool
 ): tuple[output: string, exitCode: int, stdout: string] =
@@ -135,6 +141,7 @@ proc getIniFile*(scriptName: string, options: Options): string =
 
     if exitCode == 0 and output.len != 0:
       result.writeFile(output)
+      stdout.writeExecutionOutput()
     else:
       raise newException(NimbleError, stdout & "\nprintPkgInfo() failed")
 
@@ -175,6 +182,8 @@ proc execScript(
         result.flags[flag].add val.getStr()
   result.retVal = j{"retVal"}.getBool()
 
+  stdout.writeExecutionOutput()
+
 proc execTask*(scriptName, taskName: string,
     options: Options): ExecutionResult[bool] =
   ## Executes the specified task in the specified script.

tests/issue708/issue708.nimble

@@ -0,0 +1,17 @@
+# Package
+
+version       = "0.1.0"
+author        = "Dominik Picheta"
+description   = "A new awesome nimble package"
+license       = "MIT"
+srcDir        = "src"
+
+
+
+# Dependencies
+
+requires "nim >= 0.16.0"
+
+
+echo "hello"
+echo "hello2"

tests/issue708/src/issue708.nim

@@ -0,0 +1,7 @@
+# This is just an example to get you started. A typical library package
+# exports the main API in this file. Note that you cannot rename this file
+# but you can remove it if you wish.
+
+proc add*(x, y: int): int =
+  ## Adds two files together.
+  return x + y

tests/tester.nim

@@ -79,9 +79,19 @@ proc hasLineStartingWith(lines: seq[string], prefix: string): bool =
       return true
   return false
 
+test "issue 708":
+  cd "issue708":
+    # TODO: We need a way to filter out compiler messages from the messages
+    # written by our nimble scripts.
+    var (output, exitCode) = execNimble("install", "-y", "--verbose")
+    check exitCode == QuitSuccess
+    let lines = output.strip.processOutput()
+    check(inLines(lines, "hello"))
+    check(inLines(lines, "hello2"))
+
 test "issue 564":
   cd "issue564":
-    var (output, exitCode) = execNimble("build")
+    var (_, exitCode) = execNimble("build")
     check exitCode == QuitSuccess
 
 test "depsOnly + flag order test":