9-fetch: start using fetch

lib/release/create.rb

@@ -17,7 +17,7 @@ module Release
       validate_version_format version
 
       validate_current_branch_master
-      git_pull current_branch
+      git_fetch_and_merge current_branch
 
       validate_version_is_new version
 

lib/release/finish.rb

@@ -16,7 +16,7 @@ module Release
 
       validate_current_branch_is_release
 
-      git_pull release_branch
+      git_fetch_and_merge release_branch
 
       update_package_json version_from_release_branch(release_branch)
 
@@ -25,7 +25,8 @@ module Release
       git_push release_branch
       git_push_tags
 
-      git_checkout "master"
+      git_checkout 'master'
+      git_fetch_and_merge current_branch
 
       git_local_branch_delete release_branch
 

lib/release/join.rb

@@ -15,7 +15,7 @@ module Release
       subcommand, version = *argv
 
       validate_current_branch_master
-      git_pull current_branch
+      git_fetch_and_merge current_branch
 
       git_checkout_track release_branch_from_version(version)
     end

lib/release/leave.rb

@@ -14,7 +14,8 @@ module Release
     def execute
       validate_current_branch_is_release
 
-      git_checkout "master"
+      git_checkout 'master'
+      git_fetch_and_merge current_branch
 
       git_local_branch_trash current_branch
     end

lib/release/list.rb

@@ -13,7 +13,7 @@ module Release
 
     def execute
       validate_current_branch_master
-      git_pull current_branch
+      git_fetch_and_merge current_branch
 
       puts
       puts show_existing_tags

lib/release/start.rb

@@ -22,7 +22,7 @@ module Release
       validate_version_format version
 
       validate_current_branch_master
-      git_pull current_branch
+      git_fetch_and_merge current_branch
 
       validate_version_exists version
 

lib/release/trash.rb

@@ -25,6 +25,7 @@ module Release
       validate_current_branch_is_release
 
       git_checkout 'master'
+      git_fetch_and_merge current_branch
 
       git_local_branch_trash release_branch
 

lib/shared/runnable.rb

@@ -48,6 +48,19 @@ module Shared
       run_cmd "git checkout #{branch}"
     end
 
+    def git_fetch
+      run_cmd "git fetch origin && git fetch origin --tags"
+    end
+
+    def git_remote_merge ( branch )
+      run_cmd "git merge origin/#{branch}"
+    end
+
+    def git_fetch_and_merge (branch)
+      git_fetch
+      git_remote_merge branch
+    end
+
     def git_remote_branch_delete ( branch )
       run_cmd "git push origin :#{branch}"
     end