small macos fixes

scripts/build.sh

@@ -261,9 +261,7 @@ build_hdr10plus_tool() {
     # build libhdr10plus
     cd hdr10plus || return 1
     ccache cargo cbuild --release
-    rm -rf build.user
-    cargo cinstall --prefix=build.user --release || return 1
-    ${SUDO} cp -r build.user/* "${PREFIX}/"
+    ${SUDO} bash -lc "cargo cinstall --prefix=${PREFIX} --release" || return 1
 }
 
 build_dovi_tool() {
@@ -275,9 +273,7 @@ build_dovi_tool() {
     # build libdovi
     cd dolby_vision || return 1
     ccache cargo cbuild --release
-    rm -rf build.user
-    cargo cinstall --prefix=build.user --release || return 1
-    ${SUDO} cp -r build.user/* "${PREFIX}/"
+    ${SUDO} bash -lc "cargo cinstall --prefix=${PREFIX} --release" || return 1
 }
 
 build_libsvtav1_psy() {

scripts/install_deps.sh

@@ -13,7 +13,7 @@ determine_darwin_pkg_mgr() {
     fi
     PKG_MGR=brew
     check_pkg_exists() { 
-        "${PKG_MGR}" list "${1}"
+        "${PKG_MGR}" list --formula "${1}" >/dev/null
     }
     PKG_MGR_UPD="${PKG_MGR} update"
     PKG_MGR_INST="${PKG_MGR} install"
@@ -106,7 +106,8 @@ check_for_req_pkgs() {
     )
     # shellcheck disable=SC2034
     local brew_pkgs=(
-        "${common_pkgs[@]}" pkgconf mkvtoolnix
+        "${common_pkgs[@]}" pkgconf 
+        mkvtoolnix pipx
     )
     local common_linux_pkgs=(
         "${common_pkgs[@]}" clang valgrind
@@ -134,7 +135,7 @@ check_for_req_pkgs() {
         pipx ninja-build
     )
 
-    if test "${TARGET_WINDOWS}" -eq 1; then
+    if [[ "${TARGET_WINDOWS}" -eq 1 ]]; then
         apt_get_pkgs+=(gcc-mingw-w64 g++-mingw-w64)
     fi