Add command upgrade to upgrade oo

hit9 · hit9 · commit 3651b22b6fa1 · 2015-09-03T18:42:16.000+08:00
diff --git a/README.md b/README.md
@@ -93,6 +93,7 @@ Commands:
   oo bin [<version>]         Show go binary path by version
   oo build [<version>]       Build go by version
   oo env                     Output current go env
+  oo upgrade                 Upgrade oo to latest version
 
 Options:
   -v, --version              Output oo's version
diff --git a/VERSION b/VERSION
@@ -0,0 +1 @@
+0.0.5
diff --git a/bin/oo b/bin/oo
@@ -1,7 +1,5 @@
 #!/bin/bash
 
-VERSION='0.0.4'
-
 #
 # Settings
 #
@@ -20,6 +18,8 @@ VERSIONS_DIR=${ROOT_DIR}/versions
 GOROOT_DIR=${ROOT_DIR}/go
 GOBIN_PATH=${GOROOT_DIR}/bin/go
 
+VERSION=$(cat ${ROOT_DIR}/VERSION)
+
 #
 # Help
 #
@@ -39,6 +39,7 @@ Commands:
   oo bin [<version>]         Show go binary path by version
   oo build [<version>]       Build go by version
   oo env                     Output current go env
+  oo upgrade                 Upgrade oo to latest version
 
 Options:
   -v, --version              Output oo's version
@@ -249,6 +250,15 @@ env() {
     exec "${GOBIN_PATH}" env
 }
 
+#
+# Upgrade oo
+#
+upgrade() {
+    command -v git > /dev/null 2>&1 || abort 'git not installed'
+    cd ${ROOT_DIR} && git pull git://github.com/hit9/oo.git master
+    printf '=> %s\n' $(cat ${ROOT_DIR}/VERSION)
+}
+
 #
 # Main
 #
@@ -267,6 +277,7 @@ else
         bin) bin $2 ;;
         build) build $2 ;;
         env) env ;;
+        upgrade) upgrade ;;
         *) use $1 ;;
     esac
 fi
