ci/build.sh: CMake: use OSTYPE to determine if on MSYS2/MinGW

OSTYPE is a built-in variable in bash and exists on all operating
systems.

diff --git a/ci/build.sh b/ci/build.sh
index 0f71357afb8b5d34302032624dd3af37f156f6b6..37eac218c90b2306ee15ea0e0b01232cbcb4dff5 100755 (executable)
--- a/ci/build.sh
+++ b/ci/build.sh
@@ -35,7 +35,7 @@ if [ "${build_system}" = "cmake" ]; then
         mv build/*.deb ${DIR}/os/${ARCH}/
     elif [[ "${OSTYPE}" =~ "darwin" ]]; then
         mv build/*.zip ${DIR}/os/${ARCH}/
-    elif [ "${ID}" = "msys2" ]; then
+    elif [ "${OSTYPE}" = "msys" ]; then
         mv build/*.zip ${DIR}/os/${ARCH}/
         mv build/*.exe ${DIR}/os/${ARCH}/
     else