From 1f31c21cecacb57f087c0eb2ee99a836031fbeff Mon Sep 17 00:00:00 2001
From: Brad Fitzpatrick <brad@danga.com>
Date: Sun, 10 Feb 2013 17:39:18 -0800
Subject: [PATCH] Generate and server Closure sourcemaps.

Change-Id: Ida17718eeffa1f5f1f3c849790d977921707d440
---
 .gitignore       | 1 +
 Makefile         | 1 +
 pkg/server/ui.go | 5 ++++-
 3 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/.gitignore b/.gitignore
index 638a1290a..016808f80 100644
--- a/.gitignore
+++ b/.gitignore
@@ -20,3 +20,4 @@ build/root
 .DS_Store
 tmp
 server/camlistored/newui/all.js
+server/camlistored/newui/all.js.map
diff --git a/Makefile b/Makefile
index c0812f434..e160ec4c3 100644
--- a/Makefile
+++ b/Makefile
@@ -36,4 +36,5 @@ $(NEWUIDIR)/all.js: $(NEWUIDIR)/blob_item.js $(NEWUIDIR)/blob_item_container.js
 		--compiler_flags="--jscomp_warning=checkTypes" \
 		--compiler_flags="--debug" \
 		--compiler_flags="--formatting=PRETTY_PRINT" \
+		--compiler_flags="--create_source_map=$(NEWUIDIR)/all.js.map" \
 	> $(NEWUIDIR)/all.js
diff --git a/pkg/server/ui.go b/pkg/server/ui.go
index 103ea0e56..8919ec735 100644
--- a/pkg/server/ui.go
+++ b/pkg/server/ui.go
@@ -47,7 +47,7 @@ var _ = log.Printf
 
 var (
 	staticFilePattern  = regexp.MustCompile(`^([a-zA-Z0-9\-\_]+\.(html|js|css|png|jpg|gif))$`)
-	static2FilePattern = regexp.MustCompile(`^new/*(/[a-zA-Z0-9\-\_]+\.(html|js|css|png|jpg|gif))*$`)
+	static2FilePattern = regexp.MustCompile(`^new/*(/[a-zA-Z0-9\-\_]+\.(html|js|css|png|jpg|gif|js\.map))*$`)
 	identOrDotPattern  = regexp.MustCompile(`^[a-zA-Z\_]+(\.[a-zA-Z\_]+)*$`)
 
 	// Download URL suffix:
@@ -445,6 +445,9 @@ func (ui *UIHandler) serveNewUI(rw http.ResponseWriter, req *http.Request) {
 		ui.serveDepsJS(rw, req)
 		return
 	}
+	if file == "/all.js" {
+		rw.Header().Set("X-SourceMap", "all.js.map")
+	}
 	// TODO(mpl): temporary hack to ease the work on the newui with
 	// the closure compiler.
 	if strings.HasSuffix(file, "index.html") && os.Getenv("CAMLI_USE_COMPILED_JS") == "1" {