Merge "Turn missing jarjar output files into errors"

	jarjar = pctx.AndroidStaticRule("jarjar",

		blueprint.RuleParams{

			Command: "${config.JavaCmd} ${config.JavaVmFlags}" +

			Command: "" +

				// Jarjar doesn't exit with an error when the rules file contains a syntax error,

				// leading to stale or missing files later in the build.  Remove the output file

				// before running jarjar.

				"rm -f ${out} && " +

				"${config.JavaCmd} ${config.JavaVmFlags}" +

				// b/146418363 Enable Android specific jarjar transformer to drop compat annotations

				// for newly repackaged classes. Dropping @UnsupportedAppUsage on repackaged classes

				// avoids adding new hiddenapis after jarjar'ing.

				" -DremoveAndroidCompatAnnotations=true" +

				" -jar ${config.JarjarCmd} process $rulesFile $in $out",

				" -jar ${config.JarjarCmd} process $rulesFile $in $out && " +

				// Turn a missing output file into a ninja error

				`[ -e ${out} ] || (echo "Missing output file"; exit 1)`,

			CommandDeps: []string{"${config.JavaCmd}", "${config.JarjarCmd}", "$rulesFile"},

		},

		"rulesFile")