proguard: update to 7.9.1

Author: trustbyte

java/proguard/Portfile

@@ -2,12 +2,13 @@
 
 PortSystem      1.0
 PortGroup       github 1.0
+PortGroup       java 1.0
 
-github.setup    Guardsquare proguard 7.4.1 v
+github.setup    Guardsquare proguard 7.9.1 v
+github.tarball_from archive
 revision        0
 
 categories      java
-platforms       darwin
 license         GPL-2
 maintainers     nomaintainer
 
@@ -23,18 +24,22 @@ long_description \
 
 homepage        https://www.guardsquare.com/en/products/proguard
 
-github.tarball_from \
-                releases
+checksums       rmd160  15cef4c049dba6624308b58755932ce904bf1113 \
+                sha256  cc4f25a3eb5a90ea6f2ae1ef0dbe7f95bc94ee91470a6ef6748edf1d4bd8c079 \
+                size    1243855
 
-checksums       rmd160  adf7c7295a04bddf8e79f066381165d8755f7055 \
-                sha256  d3a83be58eb2a4a9baf8c462d8c2774a9b473a4afc66c3aa0da83811ef5db889 \
-                size    32076938
+java.version    21
+java.fallback   openjdk11
 
 depends_lib     bin:java:kaffe
 
+depends_build   port:gradle8
+
 use_configure   no
 
-build {}
+build.env-append GRADLE_USER_HOME=${worksrcpath}/.gradle
+build.cmd       ${prefix}/bin/gradle
+build.target    assemble
 
 destroot {
     set javadir ${destroot}${prefix}/share/java
@@ -54,4 +59,3 @@ destroot {
     }
 }
 
-livecheck.regex ${name}(\\d+(?:\\.\\d+))${extract.suffix}