Embed schema files in binary

This includes schema.sql and sqlite.sql in the release binary, so they
no longer need to be included in the release archives. This reduces the
number of files extracted, but otherwise leaves all functionality as it
was -- especially the --init-db flag.

Ref T536

.gitignore

@@ -5,3 +5,5 @@
 build
 config.ini
 *.db
+
+bindata.go

Makefile

@@ -12,7 +12,7 @@ IMAGE_NAME=writeas/writefreely
 
 all : build
 
-build: deps
+build: assets deps
 	cd cmd/writefreely; $(GOBUILD) -v
 
 build-linux: deps
@@ -39,7 +39,7 @@ build-docker :
 test:
 	$(GOTEST) -v ./...
 
-run:
+run: dev-assets
 	$(GOINSTALL) ./...
 	$(BINARY_NAME) --debug
 
@@ -50,14 +50,12 @@ install : build
 	cmd/writefreely/$(BINARY_NAME) --gen-keys
 	cd less/; $(MAKE) install $(MFLAGS)
 
-release : clean ui
+release : clean ui assets
 	mkdir build
 	cp -r templates build
 	cp -r pages build
 	cp -r static build
 	mkdir build/keys
-	cp schema.sql build
-	cp sqlite.sql build
 	$(MAKE) build-linux
 	mv build/$(BINARY_NAME)-linux-amd64 build/$(BINARY_NAME)
 	cd build; tar -cvzf ../$(BINARY_NAME)_$(GITREV)_linux_amd64.tar.gz *
@@ -78,6 +76,17 @@ release-docker :
 ui : force_look
 	cd less/; $(MAKE) $(MFLAGS)
 
+assets : generate
+	go-bindata -pkg writefreely -ignore=\\.gitignore schema.sql sqlite.sql
+
+dev-assets : generate
+	go-bindata -pkg writefreely -ignore=\\.gitignore -debug schema.sql sqlite.sql
+
+generate :
+	@hash go-bindata > /dev/null 2>&1; if [ $$? -ne 0 ]; then \
+		$(GOGET) -u github.com/jteeuwen/go-bindata/...; \
+	fi
+
 clean :
 	-rm -rf build
 	cd less/; $(MAKE) clean $(MFLAGS)

app.go

@@ -14,7 +14,6 @@ import (
 	"flag"
 	"fmt"
 	"html/template"
-	"io/ioutil"
 	"net/http"
 	"net/url"
 	"os"
@@ -270,12 +269,11 @@ func Serve() {
 		defer shutdown(app)
 
 		schemaFileName := "schema.sql"
-
 		if app.cfg.Database.Type == "sqlite3" {
 			schemaFileName = "sqlite.sql"
 		}
 
-		schema, err := ioutil.ReadFile(schemaFileName)
+		schema, err := Asset(schemaFileName)
 		if err != nil {
 			log.Error("Unable to load schema file: %v", err)
 			os.Exit(1)