From 3ee46a4bb6fa2efca575ec8dee79c239c802f62a Mon Sep 17 00:00:00 2001
From: atkawa7 <atkawa7@yahoo.com>
Date: Tue, 6 Jun 2017 10:37:21 -0700
Subject: stop cmake build on a failed download

---
 scripts/cmake/vcpkg_acquire_depot_tools.cmake | 48 +++++++++++++++++++++------
 1 file changed, 38 insertions(+), 10 deletions(-)

(limited to 'scripts')

diff --git a/scripts/cmake/vcpkg_acquire_depot_tools.cmake b/scripts/cmake/vcpkg_acquire_depot_tools.cmake
index 3b206e271..1cc375725 100644
--- a/scripts/cmake/vcpkg_acquire_depot_tools.cmake
+++ b/scripts/cmake/vcpkg_acquire_depot_tools.cmake
@@ -3,18 +3,46 @@ function(vcpkg_acquire_depot_tools PATH_TO_ROOT_OUT)
   set(URL "https://storage.googleapis.com/chrome-infra/depot_tools.zip")
   set(ARCHIVE "depot_tools.zip")
   set(STAMP "initialized-depot-tools.stamp")
+  set(downloaded_file_path ${DOWNLOADS}/${ARCHIVE})
 
   if(NOT EXISTS "${TOOLPATH}/${STAMP}")
-  message(STATUS "Acquiring Depot Tools...")
-  file(DOWNLOAD ${URL} ${DOWNLOADS}/${ARCHIVE})
-  file(REMOVE_RECURSE ${TOOLPATH})
-  file(MAKE_DIRECTORY ${TOOLPATH})
-  execute_process(
-    COMMAND ${CMAKE_COMMAND} -E tar xzf ${DOWNLOADS}/${ARCHIVE}
-    WORKING_DIRECTORY ${TOOLPATH}
-  )
-  file(WRITE "${TOOLPATH}/${STAMP}" "0")
-  message(STATUS "Acquiring Depot Tools... OK")
+
+    message(STATUS "Acquiring Depot Tools...")
+
+    if(EXISTS ${downloaded_file_path})
+      message(STATUS "Using cached ${downloaded_file_path}")
+    else()
+      if(_VCPKG_NO_DOWNLOADS)
+        message(FATAL_ERROR "Downloads are disabled, but '${downloaded_file_path}' does not exist.")
+      endif()
+      file(DOWNLOAD ${URL} ${downloaded_file_path} STATUS download_status)
+      list(GET download_status 0 status_code)
+      if (NOT "${status_code}" STREQUAL "0")
+        message(STATUS "Downloading ${URL}... Failed. Status: ${download_status}")
+        file(REMOVE ${downloaded_file_path})
+        set(download_success 0)
+      else()
+        message(STATUS "Downloading ${URL}... OK")
+        set(download_success 1)
+      endif()
+
+      if (NOT ${download_success})
+        message(FATAL_ERROR
+          "\n"
+          "    Failed to download file.\n"
+        "    Add mirrors or submit an issue at https://github.com/Microsoft/vcpkg/issues\n")
+      endif()
+    endif()
+
+
+    file(REMOVE_RECURSE ${TOOLPATH})
+    file(MAKE_DIRECTORY ${TOOLPATH})
+    execute_process(
+      COMMAND ${CMAKE_COMMAND} -E tar xzf ${DOWNLOADS}/${ARCHIVE}
+      WORKING_DIRECTORY ${TOOLPATH}
+    )
+    file(WRITE "${TOOLPATH}/${STAMP}" "0")
+    message(STATUS "Acquiring Depot Tools... OK")
   endif()
   set(${PATH_TO_ROOT_OUT} ${TOOLPATH} PARENT_SCOPE)
 endfunction()
-- 
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