openjdk12-boot: add generate script and fix directory path

openjdk12-boot/Pkgfile

@@ -7,7 +7,6 @@ name=openjdk12-boot
 version=12.0.2+10
 _boot_ver=20210207
 _cert_ver=20200215
-_jdkhash=c45c2cbfb841
 release=1
 source=(https://crux.ster.zone/downloads/java/openjdk-$version.tar.bz2
   https://crux.ster.zone/downloads/java/openjdk11-boot-$_boot_ver.tar.xz
@@ -15,7 +14,7 @@ source=(https://crux.ster.zone/downloads/java/openjdk-$version.tar.bz2
   make-4.3_breaks_build.patch)
 
 build() {
-  patch -p1 -d $SRC/jdk12u-$_jdkhash -i $SRC/make-4.3_breaks_build.patch
+  patch -p1 -d $SRC/jdk12u-jdk-$version -i $SRC/make-4.3_breaks_build.patch
 
   # Make sure we do not have ccache masquerade directory in PATH.
   # Use --enable-ccache instead of providing a wrapped compiler.
@@ -43,7 +42,7 @@ build() {
   export _CFLAGS+=' -fabi-version=10 -std=gnu++98 -fno-delete-null-pointer-checks -fno-lifetime-dse -fno-strict-overflow -fcommon'
   export _CXXFLAGS+=' -fabi-version=10 -std=gnu++98 -fno-delete-null-pointer-checks -fno-lifetime-dse -fno-strict-overflow -fcommon'
   LC_ALL=C
-  /bin/bash ../jdk12u-$_jdkhash/configure $PKGMK_JDK12 \
+  /bin/bash ../jdk12u-jdk-$version/configure $PKGMK_JDK12 \
     --prefix=$SRC/build-boot/images/jdk \
     --disable-hotspot-gtest \
     --disable-precompiled-headers \
@@ -81,7 +80,7 @@ build() {
   cd $SRC/build
 
   LC_ALL=C
-  /bin/bash ../jdk12u-$_jdkhash/configure $PKGMK_JDK12 \
+  /bin/bash ../jdk12u-jdk-$version/configure $PKGMK_JDK12 \
     --prefix=/$name \
     --disable-hotspot-gtest \
     --disable-precompiled-headers \

openjdk12-boot/generate

@@ -0,0 +1,8 @@
+#!/bin/bash
+
+set -e
+
+source Pkgfile
+
+echo "wget http://hg.openjdk.java.net/jdk-updates/jdk12u/archive/jdk-${version}.tar.bz2 -O openjdk-${version}.tar.bz2"
+