CI: include the build type in the dependency cache stamp

build.sh reuses a cached ci/ when the three version numbers in versions.txt
match, so a cached Debug build satisfies a Release build and the rebuild is
skipped.

Author: OrHayat

build.sh

@@ -83,11 +83,12 @@ if [ "$CIBUILDWHEEL" = "1" ]; then
         fi
     fi
 
-    # Use cached dependencies if they match the requested versions.
+    # Use cached dependencies if they match the requested versions and build type.
     if [ -f ci/versions.txt ] && \
        grep -q "^LIBGIT2_VERSION=$LIBGIT2_VERSION$" ci/versions.txt && \
        grep -q "^LIBSSH2_VERSION=$LIBSSH2_VERSION$" ci/versions.txt && \
-       grep -q "^OPENSSL_VERSION=$OPENSSL_VERSION$" ci/versions.txt; then
+       grep -q "^OPENSSL_VERSION=$OPENSSL_VERSION$" ci/versions.txt && \
+       grep -q "^BUILD_TYPE=$BUILD_TYPE$" ci/versions.txt; then
         echo "Using cached dependencies"
         exit 0
     fi
@@ -216,6 +217,7 @@ if [ "$CIBUILDWHEEL" = "1" ]; then
 LIBGIT2_VERSION=$LIBGIT2_VERSION
 LIBSSH2_VERSION=$LIBSSH2_VERSION
 OPENSSL_VERSION=$OPENSSL_VERSION
+BUILD_TYPE=$BUILD_TYPE
 EOF
     if [ "$KERNEL" = "Darwin" ]; then
         echo "PREFIX        " $PREFIX