[ci] fix sh-compatibility issue in build-cran-package.sh (#6118)

microsoft · Sep 29, 2023 · b7418dc · b7418dc
1 parent 60a4a13
commit b7418dc
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/build-cran-package.sh b/build-cran-package.sh
@@ -132,7 +132,7 @@ cd "${TEMP_R_DIR}"
     using_windows_and_r3=$(
         Rscript -e 'cat(.Platform$OS.type == "windows" && R.version[["major"]] < 4)'
     )
-    if [[ ${using_windows_and_r3} == "TRUE" ]]; then
+    if test "${using_windows_and_r3}" = "TRUE"; then
         LGB_CXX_STD="C++11"
     fi
     sed -i.bak -e "s/~~CXXSTD~~/${LGB_CXX_STD}/" DESCRIPTION