Add dependency setup to v0.1.4 installer

packaging/install-or-update.sh

@@ -29,6 +29,37 @@ refresh_desktop() {
     fi
 }
 
+install_dependencies() {
+    if [ "${COMICVIEWER_SKIP_DEPENDENCIES:-0}" = "1" ]; then
+        return
+    fi
+    if ! command -v pacman >/dev/null 2>&1; then
+        printf '%s\n' "필수 패키지 자동 설치는 Arch Linux와 CachyOS만 지원합니다." >&2
+        exit 1
+    fi
+
+    set --
+    for package in fuse2 gtk4 dav1d gvfs gvfs-smb; do
+        if ! pacman -Q "${package}" >/dev/null 2>&1; then
+            set -- "$@" "${package}"
+        fi
+    done
+    if [ "$#" -eq 0 ]; then
+        return
+    fi
+
+    printf '필수 패키지를 설치합니다: %s\n' "$*"
+    if [ "$(id -u)" -eq 0 ]; then
+        pacman -S --needed "$@"
+    else
+        if ! command -v sudo >/dev/null 2>&1; then
+            printf '%s\n' "필수 패키지를 설치하려면 sudo가 필요합니다." >&2
+            exit 1
+        fi
+        sudo pacman -S --needed "$@"
+    fi
+}
+
 if [ "${1:-}" = "--uninstall" ]; then
     rm -f "${launcher}" "${installed_desktop}" "${installed_icon}" \
         "${installed_appimage}"
@@ -45,6 +76,8 @@ if [ "$#" -ne 0 ]; then
     exit 2
 fi
 
+install_dependencies
+
 set -- "${script_dir}"/Comicviewer-*-x86_64.AppImage
 if [ "$#" -ne 1 ] || [ ! -f "$1" ]; then
     printf '%s\n' "번들에서 Comicviewer AppImage 한 개를 찾을 수 없습니다." >&2