Create branches according to elasticsearch versions

We create branches:

* es-0.90 for elasticsearch 0.90
* es-1.0 for elasticsearch 1.0
* es-1.1 for elasticsearch 1.1
* master for elasticsearch master

We also check that before releasing we don't have a dependency to an elasticsearch SNAPSHOT version.

Add links to each version in documentation
(cherry picked from commit a51926c)

README.md

@@ -5,8 +5,10 @@ The GCE Cloud plugin allows to use GCE API for the unicast discovery mechanism.
 
 In order to install the plugin, simply run: `bin/plugin -install elasticsearch/elasticsearch-cloud-gce/2.0.0`.
 
-* For 1.0.x elasticsearch versions, look at [master branch](https://github.com/elasticsearch/elasticsearch-cloud-gce/tree/master).
-* For 0.90.x elasticsearch versions, look at [1.x branch](https://github.com/elasticsearch/elasticsearch-cloud-gce/tree/1.x).
+* For master elasticsearch versions, look at [master branch](https://github.com/elasticsearch/elasticsearch-cloud-gce/tree/master).
+* For 1.1.x elasticsearch versions, look at [es-1.1 branch](https://github.com/elasticsearch/elasticsearch-cloud-gce/tree/es-1.1).
+* For 1.0.x elasticsearch versions, look at [es-1.0 branch](https://github.com/elasticsearch/elasticsearch-cloud-gce/tree/es-1.0).
+* For 0.90.x elasticsearch versions, look at [es-0.90 branch](https://github.com/elasticsearch/elasticsearch-cloud-gce/tree/es-0.90).
 
 |       GCE Cloud Plugin     |    elasticsearch    |   gce api    | Release date |
 |----------------------------|---------------------|--------------|:------------:|
@@ -14,6 +16,12 @@ In order to install the plugin, simply run: `bin/plugin -install elasticsearch/e
 | 2.0.0                      | 1.0.0.RC1 -> master |  1.17.0-rc   |  2014-03-12  |
 | 2.0.0.RC1                  | 1.0.0.RC1 -> master |  1.15.0-rc   |  2014-01-15  |
 
+Please read documentation relative to the version you are using:
+
+* [2.0.1-SNAPSHOT](https://github.com/elasticsearch/elasticsearch-cloud-azure/blob/master/README.md)
+* [2.0.0](https://github.com/elasticsearch/elasticsearch-cloud-azure/blob/v2.0.0/README.md)
+* [2.0.0.RC1](https://github.com/elasticsearch/elasticsearch-cloud-azure/blob/v2.0.0.RC1/README.md)
+
 
 Google Compute Engine Virtual Machine Discovery
 ===============================

dev-tools/build_release.py

@@ -208,6 +208,29 @@ def add_version_snapshot(readme_file, release, snapshot):
             return line
     process_file(readme_file, callback)
 
+# Moves the README.md file from a snapshot to a release (documentation link)
+def remove_documentation_snapshot(readme_file, repo_url, release, branch):
+    pattern = '* [%s-SNAPSHOT](%sblob/%s/README.md)' % (release, repo_url, branch)
+    replacement = '* [%s](%sblob/v%s/README.md)' % (release, repo_url, release)
+    def callback(line):
+        # If we find pattern, we replace its content
+        if line.find(pattern) >= 0:
+            return line.replace(pattern, replacement)
+        else:
+            return line
+    process_file(readme_file, callback)
+
+# Add in README.markdown file the documentation for the next version
+def add_documentation_snapshot(readme_file, repo_url, release, snapshot, branch):
+    pattern = '* [%s](%sblob/v%s/README.md)' % (release, repo_url, release)
+    replacement = '* [%s-SNAPSHOT](%sblob/%s/README.md)' % (snapshot, repo_url, branch)
+    def callback(line):
+        # If we find pattern, we copy the line and replace its content
+        if line.find(pattern) >= 0:
+            return line.replace(pattern, replacement)+line
+        else:
+            return line
+    process_file(readme_file, callback)
 
 # Set release date in README.md file
 def set_date(readme_file):
@@ -603,8 +626,12 @@ if __name__ == '__main__':
     artifact_name = find_from_pom('name')
     artifact_description = find_from_pom('description')
     project_url = find_from_pom('url')
+    elasticsearch_version = find_from_pom('elasticsearch.version')
     print('  Artifact Id: [%s]' % artifact_id)
     print('  Release version: [%s]' % release_version)
+    print('  Elasticsearch: [%s]' % elasticsearch_version)
+    if elasticsearch_version.find('-SNAPSHOT') != -1:
+        raise RuntimeError('Can not release with a SNAPSHOT elasticsearch dependency: %s' % elasticsearch_version)
 
     # extract snapshot
     default_snapshot_version = guess_snapshot(release_version)
@@ -626,6 +653,7 @@ if __name__ == '__main__':
     try:
         pending_files = [POM_FILE, README_FILE]
         remove_maven_snapshot(POM_FILE, release_version)
+        remove_documentation_snapshot(README_FILE, project_url, release_version, src_branch)
         remove_version_snapshot(README_FILE, release_version)
         set_date(README_FILE)
         set_install_instructions(README_FILE, artifact_id, release_version)
@@ -657,6 +685,7 @@ if __name__ == '__main__':
 
         add_maven_snapshot(POM_FILE, release_version, snapshot_version)
         add_version_snapshot(README_FILE, release_version, snapshot_version)
+        add_documentation_snapshot(README_FILE, project_url, release_version, snapshot_version, src_branch)
         add_pending_files(*pending_files)
         commit_snapshot()
 

pom.xml

@@ -16,7 +16,7 @@ governing permissions and limitations under the License. -->
     <modelVersion>4.0.0</modelVersion>
     <groupId>org.elasticsearch</groupId>
     <artifactId>elasticsearch-cloud-gce</artifactId>
-    <version>2.1.0-SNAPSHOT</version>
+    <version>2.0.1-SNAPSHOT</version>
 
     <name>Elasticsearch Google Compute Engine cloud plugin</name>
     <description>The Google Compute Engine (GCE) Cloud plugin allows to use GCE API for the unicast discovery mechanism.</description>