Add a script to check versions.

This script checks for versioning mistakes and will prevent npm
publication if any of the checks fail.

This also drops the check.sh script, which nobody was using.

Related to #30

Change-Id: Ic8e504515ac31beb7833207aa2ac463d40cfae88

build/checkversion.sh

@@ -0,0 +1,70 @@
+#!/bin/bash
+#
+# Copyright 2015 Google Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+dir=$(dirname $0)/..
+. "$dir"/build/lib.sh
+
+set -e
+
+NPM_VERSION=$(
+  grep '"version"' "$dir"/package.json |
+    cut -f 2 -d : | sed -e 's/.*"\(.*\)".*/\1/'
+)
+PLAYER_VERSION=$(
+  grep GIT_VERSION "$dir"/lib/player/player.js | grep goog.define |
+    cut -f 2 -d , | sed -e "s/.*'\\(.*\\)'.*/\\1/"
+)
+CHANGELOG_VERSION=$(
+  grep '##' "$dir"/CHANGELOG.md | head -1 |
+    cut -f 2 -d ' '
+)
+
+rv=0
+
+echo "git version = $GIT_VERSION"
+echo "npm version = $NPM_VERSION"
+echo "player version = $PLAYER_VERSION"
+echo "changelog version = $CHANGELOG_VERSION"
+echo
+
+if echo "$GIT_VERSION" | grep -q dirty; then
+  echo "Git version is dirty!" 1>&2
+  rv=1
+elif echo "$GIT_VERSION" | egrep -q '(-|unknown)'; then
+  echo "Git version is not a tag!" 1>&2
+  rv=1
+elif ! echo "$GIT_VERSION" | grep -q '^v[0-9]\+\.[0-9]\+\.[0-9]\+$'; then
+  echo "Git version is a malformed release version!" 1>&2
+  echo "It should be three ints separated by dots, with a 'v' prepended." 1>&2
+  rv=1
+else
+  if [ "v$NPM_VERSION" != "$GIT_VERSION" ]; then
+    echo "NPM version does not match git version!" 1>&2
+    rv=1
+  fi
+
+  if [ "$PLAYER_VERSION" != "$GIT_VERSION-debug" ]; then
+    echo "Player version does not match git version!" 1>&2
+    rv=1
+  fi
+
+  if [ "v$CHANGELOG_VERSION" != "$GIT_VERSION" ]; then
+    echo "Changelog version does not match git version!" 1>&2
+    rv=1
+  fi
+fi
+
+exit $rv

build/lib.sh

@@ -14,6 +14,8 @@
 
 dir=$(dirname $0)/..
 
+GIT_VERSION=$(cd "$dir"; git describe --tags --dirty || echo unknown)
+
 closure_opts="
   --language_in ECMASCRIPT5
   --language_out ECMASCRIPT5
@@ -56,7 +58,7 @@ closure_opts="
   -D goog.ENABLE_DEBUG_LOADER=false
   -D shaka.asserts.ENABLE_ASSERTS=false
   -D shaka.log.MAX_LOG_LEVEL=0
-  -D GIT_VERSION='$(cd "$dir"; git describe --tags --dirty || echo unknown)'
+  -D GIT_VERSION='$GIT_VERSION'
 "
 
 set -e

package.json

@@ -25,6 +25,6 @@
     }
   ],
   "scripts": {
-    "prepublish": "./build/all.sh"
+    "prepublish": "./build/checkversion.sh && ./build/all.sh"
   }
 }

tutorials/dev.html

@@ -168,7 +168,6 @@ <h3 class="tutorial-heading">
           shaka-player.compiled.js</li>
       <li>gendeps.sh - computes dependencies for running non-compiled code</li>
       <li>lint.sh - checks the code for style issues</li>
-      <li>check.sh - combination of build.sh and lint.sh</li>
       <li>all.sh - combination of gendeps.sh, build.sh, and lint.sh</li>
       <li>docs.sh - generate documentation</li>
     </ul>