Merge "rust: doc: Zip up docs when done" am: 899b98d508 am: 6506614e2b

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/1804477

Change-Id: I5468d4bbc135c828980eb5444e07709e1bbdcde5
diff --git a/rust/doc.go b/rust/doc.go
index e7f1371..fe3581b 100644
--- a/rust/doc.go
+++ b/rust/doc.go
@@ -29,6 +29,14 @@
 type rustdocSingleton struct{}
 
 func (n *rustdocSingleton) GenerateBuildActions(ctx android.SingletonContext) {
+	docDir := android.PathForOutput(ctx, "rustdoc")
+	docZip := android.PathForOutput(ctx, "rustdoc.zip")
+	rule := android.NewRuleBuilder(pctx, ctx)
+	zipCmd := rule.Command().BuiltTool("soong_zip").
+		FlagWithOutput("-o ", docZip).
+		FlagWithArg("-C ", docDir.String()).
+		FlagWithArg("-D ", docDir.String())
+
 	ctx.VisitAllModules(func(module android.Module) {
 		if !module.Enabled() {
 			return
@@ -36,8 +44,10 @@
 
 		if m, ok := module.(*Module); ok {
 			if m.docTimestampFile.Valid() {
-				ctx.Phony("rustdoc", m.docTimestampFile.Path())
+				zipCmd.Implicit(m.docTimestampFile.Path())
 			}
 		}
 	})
+	rule.Build("rustdoc-zip", "Zipping all built Rust documentation...")
+	ctx.Phony("rustdoc", docZip)
 }
diff --git a/scripts/build-rustdocs.sh b/scripts/build-rustdocs.sh
index ad8ba16..fda9688 100755
--- a/scripts/build-rustdocs.sh
+++ b/scripts/build-rustdocs.sh
@@ -27,5 +27,5 @@
 
 if [ -n "${DIST_DIR}" ]; then
     mkdir -p ${DIST_DIR}
-    cp -r ${OUT_DIR}/soong/rustdoc $DIST_DIR/rustdoc
+    cp ${OUT_DIR}/soong/rustdoc.zip $DIST_DIR
 fi