optimize: parallelize test dependencies installation

scripts/setup-deps.sh

@@ -29,14 +29,13 @@ log_verbose() {
     fi
 }
 
-clone_deps() {
-    local deps_dir=${1:-"$PWD/deps"}
-    log_verbose "Cloning dependencies into: $deps_dir"
-    mkdir -p "$deps_dir"
-
-    for dep in "${DEPS[@]}"; do
-        repo_name="$(echo "$dep" | cut -d'/' -f2)"
+# Process a single dependency (used for parallel execution)
+process_single_dep() {
+    local dep="$1"
+    local deps_dir="$2"
+    local repo_name="$(echo "$dep" | cut -d'/' -f2)"
     local repo_path="$deps_dir/$repo_name"
+
     if [ -d "$repo_path/.git" ]; then
         log_verbose "Updating existing repository: $repo_path"
         (
@@ -48,6 +47,7 @@ clone_deps() {
                 git reset -q --hard origin/master
             else
                 log "Could not find main or master branch for $repo_name"
+                return 1
             fi
         )
     else
@@ -58,7 +58,36 @@ clone_deps() {
         log_verbose "Cloning new repository: $dep to $repo_path"
         git clone -q --depth 1 "https://github.com/${dep}.git" "$repo_path"
     fi
+}
+
+clone_deps() {
+    local deps_dir=${1:-"$PWD/deps"}
+    log_verbose "Cloning dependencies into: $deps_dir (parallel mode)"
+    mkdir -p "$deps_dir"
+
+    # Array to store background process PIDs
+    local pids=()
+
+    # Start all dependency processes in parallel
+    for dep in "${DEPS[@]}"; do
+        process_single_dep "$dep" "$deps_dir" &
+        pids+=($!)
     done
+
+    # Wait for all background processes to complete and check their exit status
+    local failed_count=0
+    for pid in "${pids[@]}"; do
+        if ! wait "$pid"; then
+            ((failed_count++))
+        fi
+    done
+
+    if [ "$failed_count" -gt 0 ]; then
+        log "Warning: $failed_count dependencies failed to process"
+        return 1
+    fi
+
+    log_verbose "All dependencies processed successfully"
 }
 
 install_luals() {