Update quickget

quickget

@@ -719,13 +719,12 @@ function get_alpine() {
     else
       BRANCH="v${RELEASE}"
     fi
-    VERSION=$(wget -qO- 'https://dl-cdn.alpinelinux.org/alpine/${BRANCH}/releases/x86_64/latest-releases.yaml' \
-                | awk '/"Xen"/{found=0} {if(found) print} /"Virtual"/{found=1}' | grep 'version:' | awk '{print $2}')
+    MANIFESTURL="https://dl-cdn.alpinelinux.org/alpine/${BRANCH}/releases/x86_64/latest-releases.yaml"
+    VERSION=$(wget -qO- "${MANIFESTURL}" | awk '/"Xen"/{found=0} {if(found) print} /"Virtual"/{found=1}' | grep 'version:' | awk '{print $2}')
     ISO="alpine-virt-${VERSION}-x86_64.iso"
     URL="https://dl-cdn.alpinelinux.org/alpine/${BRANCH}/releases/x86_64/${ISO}"
     web_get "${URL}" "${VM_PATH}"
-    HASH=$(wget -qO- 'https://dl-cdn.alpinelinux.org/alpine/${BRANCH}/releases/x86_64/latest-releases.yaml' \
-                | awk '/"Xen"/{found=0} {if(found) print} /"Virtual"/{found=1}' | grep 'sha256:' | awk '{print $2}')
+    HASH=$(wget -qO- "${MANIFESTURL}" | awk '/"Xen"/{found=0} {if(found) print} /"Virtual"/{found=1}' | grep 'sha256:' | awk '{print $2}')
     check_hash "${ISO}" "${HASH}"
     make_vm_config "${ISO}"
 }