[CI] Fork before install mac arm/intel steps, prefix with arch command

CI/before_install.osx.sh

@@ -4,21 +4,8 @@ export HOMEBREW_NO_EMOJI=1
 export HOMEBREW_NO_INSTALL_CLEANUP=1
 export HOMEBREW_AUTOREMOVE=1
 
-brew tap --repair
-brew update --quiet
-
-brew install curl xquartz gd fontconfig freetype harfbuzz brotli s3cmd
-
-command -v ccache >/dev/null 2>&1 || brew install ccache
-command -v cmake >/dev/null 2>&1 || brew install cmake
-command -v qmake >/dev/null 2>&1 || brew install qt@6
-
-# Install deps
-brew install openal-soft icu4c yaml-cpp sqlite
-
-ccache --version
-cmake --version
-qmake --version
-
-curl -fSL -R -J https://gitlab.com/OpenMW/openmw-deps/-/raw/main/macos/openmw-deps-20240818-arm64.tar.xz -o ~/openmw-deps.tar.xz
-tar xf ~/openmw-deps.tar.xz -C /tmp > /dev/null
+if [[ "${MACOS_X86_64}" ]]; then
+    ./CI/macos/before_install.x86_64.sh
+else
+    ./CI/macos/before_install.arm.sh
+fi

CI/before_script.osx.sh

@@ -9,10 +9,17 @@ cd build
 
 DEPENDENCIES_ROOT="/tmp/openmw-deps"
 
-QT_PATH=$(brew --prefix qt@6)
-ICU_PATH=$(brew --prefix icu4c)
-OPENAL_PATH=$(brew --prefix openal-soft)
-CCACHE_EXECUTABLE=$(brew --prefix ccache)/bin/ccache
+if [[ "${MACOS_X86_64}" ]]; then
+    QT_PATH=$(arch -x86_64 brew --prefix qt@6)
+    ICU_PATH=$(arch -x86_64 brew --prefix icu4c)
+    OPENAL_PATH=$(arch -x86_64 brew --prefix openal-soft)
+    CCACHE_EXECUTABLE=$(arch -x86_64 brew --prefix ccache)/bin/ccache
+else
+    QT_PATH=$(brew --prefix qt@6)
+    ICU_PATH=$(brew --prefix icu4c)
+    OPENAL_PATH=$(brew --prefix openal-soft)
+    CCACHE_EXECUTABLE=$(brew --prefix ccache)/bin/ccache
+fi
 
 declare -a CMAKE_CONF_OPTS=(
 -D CMAKE_PREFIX_PATH="$DEPENDENCIES_ROOT;$QT_PATH;$OPENAL_PATH"
@@ -29,6 +36,18 @@ declare -a CMAKE_CONF_OPTS=(
 -D OPENMW_OSX_DEPLOYMENT=TRUE
 )
 
+declare -a BUILD_OPTS=(
+-D BUILD_OPENMW=TRUE
+-D BUILD_OPENCS=TRUE
+-D BUILD_ESMTOOL=TRUE
+-D BUILD_BSATOOL=TRUE
+-D BUILD_ESSIMPORTER=TRU
+-D BUILD_NIFTEST=TRUE
+-D BUILD_NAVMESHTOOL=TRUE
+-D BUILD_BULLETOBJECTTOOL=TRUE
+-G"Unix Makefiles"
+)
+
 if [[ "${MACOS_X86_64}" ]]; then
     CMAKE_CONF_OPTS+=(
         -D CMAKE_OSX_ARCHITECTURES="x86_64"
@@ -45,15 +64,14 @@ else
     )
 fi
 
-cmake \
-"${CMAKE_CONF_OPTS[@]}" \
--D BUILD_OPENMW=TRUE \
--D BUILD_OPENCS=TRUE \
--D BUILD_ESMTOOL=TRUE \
--D BUILD_BSATOOL=TRUE \
--D BUILD_ESSIMPORTER=TRUE \
--D BUILD_NIFTEST=TRUE \
--D BUILD_NAVMESHTOOL=TRUE \
--D BUILD_BULLETOBJECTTOOL=TRUE \
--G"Unix Makefiles" \
-..
+if [[ "${MACOS_X86_64}" ]]; then
+    arch -x86_64 cmake \
+        "${CMAKE_CONF_OPTS[@]}" \
+        "${BUILD_OPTS[@]}" \
+        ..
+else
+    cmake \
+        "${CMAKE_CONF_OPTS[@]}" \
+        "${BUILD_OPTS[@]}" \
+        ..
+fi

CI/macos/before_install.arm.sh

@@ -0,0 +1,20 @@
+#!/bin/sh -ex
+
+brew tap --repair
+brew update --quiet
+
+brew install curl xquartz gd fontconfig freetype harfbuzz brotli s3cmd
+
+command -v ccache >/dev/null 2>&1 || brew install ccache
+command -v cmake >/dev/null 2>&1 || brew install cmake
+command -v qmake >/dev/null 2>&1 || brew install qt@6
+
+# Install deps
+brew install openal-soft icu4c yaml-cpp sqlite
+
+ccache --version
+cmake --version
+qmake --version
+
+curl -fSL -R -J https://gitlab.com/OpenMW/openmw-deps/-/raw/main/macos/openmw-deps-20240818-arm64.tar.xz -o ~/openmw-deps.tar.xz
+tar xf ~/openmw-deps.tar.xz -C /tmp > /dev/null

CI/macos/before_install.x86_64.sh

@@ -0,0 +1,8 @@
+#!/bin/sh -ex
+
+arch -x86_64 /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
+
+arch -x86_64 brew install curl xquartz gd fontconfig freetype harfbuzz brotli s3cmd ccache cmake qt@6 openal-soft icu4c yaml-cpp sqlite
+
+curl -fSL -R -J https://gitlab.com/OpenMW/openmw-deps/-/raw/main/macos/openmw-deps-20240802.zip -o ~/openmw-deps.zip
+unzip -o ~/openmw-deps.zip -d /tmp > /dev/null