[gentoo-dev] [PATCH v3] java-pkg-simple.eclass: Automatic-Module-Name

[Volkmar W. Pogatzki]

The new variable JAVA_AUTOMATIC_MODULE_NAME can be defined in the
ebuild. Its value will be transferred to the MANIFEST.MF of the jar
file.

Closes: https://bugs.gentoo.org/857468
Signed-off-by: Volkmar W. Pogatzki <gentoo@××××××××.net>
---
 eclass/java-pkg-simple.eclass | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/eclass/java-pkg-simple.eclass b/eclass/java-pkg-simple.eclass
index 1e101a828c4..c0a6b4d21df 100644
--- a/eclass/java-pkg-simple.eclass
+++ b/eclass/java-pkg-simple.eclass
@@ -134,6 +134,12 @@ fi
 #	JAVA_MAIN_CLASS="org.gentoo.java.ebuilder.Main"
 # @CODE
 
+# @ECLASS_VARIABLE: JAVA_AUTOMATIC_MODULE_NAME
+# @DEFAULT_UNSET
+# @DESCRIPTION:
+# The value of the Automatic-Module-Name entry, which is going to be added to
+# MANIFEST.MF.
+
 # @ECLASS_VARIABLE: JAVADOC_ARGS
 # @DEFAULT_UNSET
 # @DESCRIPTION:
@@ -418,6 +424,12 @@ java-pkg-simple_src_compile() {
 		jar_args="cf ${JAVA_JAR_FILENAME}"
 	fi
 	jar ${jar_args} -C ${classes} . || die "jar failed"
+	if  [[ -v JAVA_AUTOMATIC_MODULE_NAME ]]; then
+		cat > "${T}/add-to-MANIFEST.MF" <<< "Automatic-Module-Name: ${JAVA_AUTOMATIC_MODULE_NAME}" \
+			|| die "add-to-MANIFEST.MF failed"
+		jar ufmv ${JAVA_JAR_FILENAME} "${T}/add-to-MANIFEST.MF" \
+			|| die "updating MANIFEST.MF failed"
+	fi
 }
 
 # @FUNCTION: java-pkg-simple_src_install
-- 
2.35.1