internal/rosa/package: migrate unzip

This is now possible via the generic helper.

Signed-off-by: Ophestra <cat@gensokyo.uk>

internal/rosa/package/unzip.az

@@ -0,0 +1,34 @@
+package unzip {
+	description = "portable compression/archiver utilities";
+	website = "https://infozip.sourceforge.net";
+	anitya = 8684;
+
+	version* = "6.0";
+	source = remoteTar {
+		url = "https://downloads.sourceforge.net/project/infozip/"+
+			"UnZip%206.x%20%28latest%29/UnZip%20"+version+"/"+
+			"unzip"+replace {
+				s = version;
+				old = ".";
+			}+".tar.gz";
+		checksum = "fcqjB1IOVRNJ16K5gTGEDt3zCJDVBc7EDSra9w3H93stqkNwH1vaPQs_QGOpQZu1";
+		compress = gzip;
+	};
+
+	writable = true;
+	chmod = true;
+
+	exec = generic {
+		build = `unix/configure
+make -f unix/Makefile generic1`;
+		install = `
+mkdir -p /work/system/bin/
+mv unzip /work/system/bin/
+`;
+	};
+
+	inputs = [
+		make,
+		coreutils,
+	];
+}