build/windows: Don't try to install deps again when local

build/windows/1_build-deps-msys2.sh

@@ -19,13 +19,17 @@ if [ -z "$GITLAB_CI" ]; then
     exit 1
   fi
   export GIT_DEPTH=1
-  pacman --noconfirm -Suy
   GIMP_DIR=$(echo "${PWD##*/}/")
   cd $(dirname $PWD) && echo "Using parent folder as work dir"
 fi
 
 
-# Install the required (pre-built) packages for babl and GEGL
+# Install the required (pre-built) packages for babl, GEGL and GIMP
+if [ "$MSYSTEM_CARCH" != "aarch64" ]; then
+  # https://gitlab.gnome.org/GNOME/gimp/-/issues/10782
+  pacman --noconfirm -Suy
+fi
+# Beginning of install code block
 DEPS_LIST=$(cat ${GIMP_DIR}build/windows/all-deps-uni.txt                |
             sed "s/\${MINGW_PACKAGE_PREFIX}-/${MINGW_PACKAGE_PREFIX}-/g" |
             sed 's/\\//g')
@@ -53,7 +57,7 @@ else
                                  ${MINGW_PACKAGE_PREFIX}-toolchain  \
                                  $DEPS_LIST
 fi
-# End of install
+# End of install code block
 
 
 # Clone babl and GEGL (follow master branch)

build/windows/2_build-gimp-msys2.sh

@@ -19,15 +19,16 @@ if [ -z "$GITLAB_CI" ]; then
     exit 1
   fi
   git submodule update --init --force
-  pacman --noconfirm -Suy
   export MESON_OPTIONS="-Drelocatable-bundle=no"
 fi
 
 
-# Install the required (pre-built) packages for GIMP
+if [ "$GITLAB_CI" ]; then
+  # Install the required (pre-built) packages for GIMP again
   # We take code from deps script to better maintenance
   echo "$(cat build/windows/1_build-deps-msys2.sh                 |
-        sed -n '/# Install the/,/# End of install/p')"    | bash
+          sed -n '/# Beginning of install/,/# End of install/p')" | bash
+fi
 
 
 # Build GIMP