Update layer for newer curl and add part3

Author: antonym

Dockerfile

@@ -1,6 +1,6 @@
 # static curl build
-FROM alpine:3.10 as curlstage
-ARG VERSION="7.67.0"
+FROM alpine:3.18 as curlstage
+ARG VERSION="8.4.0"
 
 RUN \
  echo "**** install deps ****" && \
@@ -17,6 +17,7 @@ RUN \
  cd curl-* && \
  ./configure \
 	--disable-shared \
+	--with-openssl \
 	--with-ca-fallback && \
  make curl_LDFLAGS=-all-static && \
  strip src/curl && \

root/patch

@@ -1,6 +1,6 @@
---- casper	2020-04-08 21:24:58.000000000 +0000
-+++ casper.new	2020-04-23 17:13:23.139096816 +0000
-@@ -47,7 +47,7 @@
+--- casper      2020-04-08 21:24:58.000000000 +0000
++++ casper.new  2020-04-23 17:13:23.139096816 +0000
+@@ -46,7 +46,7 @@ parse_cmdline() {
                      STATICIP="frommedia"
                  fi
                  export STATICIP ;;
@@ -9,8 +9,8 @@
                  export NETBOOT=url
                  export URL="${x#url=}" ;;
              uuid=*)
-@@ -256,22 +256,13 @@
- 
+@@ -255,22 +255,16 @@ do_nfsmount() {
+
  do_urlmount() {
      rc=1
 -    modprobe "${MP_QUIET}" isofs
@@ -33,6 +33,9 @@
 +    if /bin/curl -L ${URL} -o ${mountpoint}/casper/root.squashfs; then rc=0; fi
 +    if [ ! -z "$(/bin/curl -sI "${URL}".part2 | grep "200 OK\|302 Found" || :)" ]; then
 +        if /bin/curl -L ${URL}.part2 -o ->> ${mountpoint}/casper/root.squashfs; then rc=0; fi
++    fi
++    if [ ! -z "$(/bin/curl -sI "${URL}".part3 | grep "200 OK\|302 Found" || :)" ]; then
++        if /bin/curl -L ${URL}.part3 -o ->> ${mountpoint}/casper/root.squashfs; then rc=0; fi
      fi
 -
      return ${rc}