artixpkg: add custom arch mapping for importing packages

There are some packages that track upstream arch but have different
names. This can be handled using a special mapping similar to what is
done in artix-checkupdates.

src/lib/pkg/repo/import.sh

@@ -9,6 +9,12 @@ set -e
 
 PATCHDIR=${PATCHDIR:-"${WORKSPACE_DIR}/artix-patches"}
 
+declare -A arch_map=(
+    ["archlinux-mirrorlist"]="pacman-mirrorlist"
+    ["artix-rebuild-order"]="arch-rebuild-order"
+    ["virtualbox-host-modules-artix"]="virtualbox-host-modules-arch"
+)
+
 update_patches(){
     if [[ ! -d "${PATCHDIR}" ]]; then
         # ${GIT_ORG}
@@ -143,9 +149,11 @@ artixpkg_repo_import() {
             fi
             ( cd "${pkgbase}" || return
 
+                upstream="${arch_map["$pkgbase"]:-$pkgbase}"
+
                 stat_busy "Checking for upstream url"
                 if ! git config --local --get remote.upstream.url &>/dev/null; then
-                    git remote add upstream "${GIT_UPSTREAM_URL}/${pkgbase}".git
+                    git remote add upstream "${GIT_UPSTREAM_URL}/${upstream}".git
                 fi
                 stat_done