From a6a2d6cb6ca0e8d10f92be36918597c2eed02d3e Mon Sep 17 00:00:00 2001
From: James Lamb <jaylamb20@gmail.com>
Date: Mon, 8 Mar 2021 23:39:50 -0600
Subject: [PATCH] [ci] fix R CMD CHECK note about example timings (fixes #4049)

---
 .ci/test_r_package.sh          | 6 ++++++
 .ci/test_r_package_windows.ps1 | 6 ++++++
 2 files changed, 12 insertions(+)

diff --git a/.ci/test_r_package.sh b/.ci/test_r_package.sh
index 5f2a298ef52f..58019fca0c4e 100755
--- a/.ci/test_r_package.sh
+++ b/.ci/test_r_package.sh
@@ -20,6 +20,12 @@ export _R_CHECK_CRAN_INCOMING_REMOTE_=0
 # to catch extreme problems
 export _R_CHECK_PKG_SIZES_THRESHOLD_=60
 
+# don't fail builds for long-running examples unless they're very long
+# See https://github.com/microsoft/LightGBM/issues/4049#issuecomment-793412254.
+if [[ $R_BUILD_TYPE != "cran" ]]; then
+    export _R_CHECK_EXAMPLE_TIMING_THRESHOLD_=30
+fi
+
 # Get details needed for installing R components
 R_MAJOR_VERSION=( ${R_VERSION//./ } )
 if [[ "${R_MAJOR_VERSION}" == "3" ]]; then
diff --git a/.ci/test_r_package_windows.ps1 b/.ci/test_r_package_windows.ps1
index 75bbf8f634ba..37227934283e 100644
--- a/.ci/test_r_package_windows.ps1
+++ b/.ci/test_r_package_windows.ps1
@@ -72,6 +72,12 @@ $env:_R_CHECK_CRAN_INCOMING_REMOTE_ = 0
 # to catch extreme problems
 $env:_R_CHECK_PKG_SIZES_THRESHOLD_ = 60
 
+# don't fail builds for long-running examples unless they're very long
+# See https://github.com/microsoft/LightGBM/issues/4049#issuecomment-793412254.
+if ($env:R_BUILD_TYPE -eq "cran") {
+    $env:_R_CHECK_EXAMPLE_TIMING_THRESHOLD_ = 30
+}
+
 if (($env:COMPILER -eq "MINGW") -and ($env:R_BUILD_TYPE -eq "cmake")) {
   $env:CXX = "$env:RTOOLS_MINGW_BIN/g++.exe"
   $env:CC = "$env:RTOOLS_MINGW_BIN/gcc.exe"