Refactor

builder/scripts/build-libjpeg-turbo

@@ -11,41 +11,12 @@ build_and_install() {
 }
 
 install_build_dependencies() {
+  install_packages cmake gcc
   ensure_libjpeg_is_fast
-
-  if [ "$DISTRO" = centos ]; then
-    yum install -y cmake gcc
-    return
-  fi
-  if [ "$DISTRO" = oracle ]; then
-    dnf install -y cmake gcc
-    return
-  fi
-  if [ "$DISTRO" = opensuse ]; then
-    zypper install -y cmake gcc
-    return
-  fi
-
-  apt-get update
-  apt-get install -y cmake gcc
 }
 
 ensure_libjpeg_is_fast() {
-  if [ "$DISTRO" = centos ]; then
-    yum install -y nasm
-    return
-  fi
-  if [ "$DISTRO" = oracle ]; then
-    dnf install -y nasm
-    return
-  fi
-  if [ "$DISTRO" = opensuse ]; then
-    zypper install -y nasm
-    return
-  fi
-
-  apt-get update
-  apt-get install -y nasm
+  install_packages nasm
 }
 
 prepare_libjpeg_source() {

builder/scripts/common.sh

@@ -12,4 +12,17 @@ detect_distro() {
   fi
 }
 
+install_packages() {
+  local install_cmd=no-command-defined
+
+  case "$DISTRO" in
+    centos) install_cmd="yum install -y" ;;
+    oracle) install_cmd="dnf install -y" ;;
+    opensuse) install_cmd="zypper install -y" ;;
+    *) install_cmd="apt-get update && apt-get install -y"
+  esac
+
+  eval "$install_cmd $*"
+}
+
 detect_distro