[DOC] signed binary patch

test data creation

README.md

@@ -29,14 +29,27 @@ based update procedure.
 
 ## Example
 
-    % go build ./cmd/binary-patch-server
-    % go build -o binary-patch.v1 ./cmd/binary-patch
-    % ./binary-patch.v1 --version
-    v0.0.1
-    % sed -i 's/v0.0.1/v0.0.2/g' ./cmd/binary-patch/main.go
-    % go build ./cmd/binary-patch
-    % ./binary-patch-server &
-    % ./binary-patch.v1
-    Update complete
-    % ./binary-patch.v1 --version
-    v0.0.2
+Create /tmp/bindata/ with 1 client application with versions v0.0.1
+and v0.0.2 and generate corresponding signature and sha256 checksum
+files:
+
+    % testdata/create_testdata.sh
+
+Build server binary:
+
+    % make build.server
+
+Run example:
+
+    % build/binary-patch version
+    binary-patch Version: v0.0.1
+    ================================
+        Buildtime: 2017-06-14_09:26:33PM
+        GitHash: 0edf55ffe02f054090d81b61b84d0b9b2242b92e
+    % build/binary-patch signed-patch-update
+    2017/06/14 23:27:55 use http://localhost:8080/signed-patch-update
+    % build/binary-patch version
+    binary-patch Version: v0.0.2
+    ================================
+        Buildtime: 2017-06-14_09:26:37PM
+        GitHash: 0edf55ffe02f054090d81b61b84d0b9b2242b92e

testdata/create_testdata.sh

@@ -14,8 +14,15 @@ p=`pwd`
 test -f privateKey || openssl ecparam -genkey -name prime256v1 -noout -out privateKey
 test -f publicKey || openssl ec -in privateKey -pubout -out publicKey
 
+test -d /tmp/bindata || mkdir /tmp/bindata
+cd ..
+rm build/binary-patch
+VERSION=v0.0.2 make build.local
+mv build/binary-patch /tmp/bindata/binary-patch_v0.0.2_${GOARCH}${GOOS}
+VERSION=v0.0.1 make build.local
+cp -a build/binary-patch /tmp/bindata/binary-patch_v0.0.1_${GOARCH}${GOOS}
+
 cd /tmp/bindata
-#cd ../bindata
 for f in *
 do
 	if [ ${f##*.} != "sha256" ] && [ ${f##*.} != "signature" ] && [ ${f##*.} != "diff" ]