Add start_branch to files and commits APIs

2 files changed, 8 insertions, 5 deletions

diff --git a/lib/api/commits.rb b/lib/api/commits.rb
index bcb842b9211..bc9f5d93ec1 100644
--- a/lib/api/commits.rb
+++ b/lib/api/commits.rb
@@ -53,16 +53,18 @@ module API
         detail 'This feature was introduced in GitLab 8.13'
       end
       params do
-        requires :branch, type: String, desc: 'The name of branch'
+        requires :branch, type: String, desc: 'Name of the branch to commit into. To create a new branch, also provide `start_branch`.'
         requires :commit_message, type: String, desc: 'Commit message'
         requires :actions, type: Array[Hash], desc: 'Actions to perform in commit'
+        optional :start_branch, type: String, desc: 'Name of the branch to start the new commit from'
         optional :author_email, type: String, desc: 'Author email for commit'
         optional :author_name, type: String, desc: 'Author name for commit'
       end
       post ":id/repository/commits" do
         authorize! :push_code, user_project
 
-        attrs = declared_params.merge(start_branch: declared_params[:branch], branch_name: declared_params[:branch])
+        attrs[:branch_name] = declared_params.delete(:branch)
+        attrs[:start_branch] ||= attrs[:branch_name]
 
         result = ::Files::MultiService.new(user_project, current_user, attrs).execute
 
diff --git a/lib/api/files.rb b/lib/api/files.rb
index 521287ee2b4..450334fee84 100644
--- a/lib/api/files.rb
+++ b/lib/api/files.rb
@@ -4,7 +4,7 @@ module API
       def commit_params(attrs)
         {
           file_path: attrs[:file_path],
-          start_branch: attrs[:branch],
+          start_branch: attrs[:start_branch] || attrs[:branch],
           branch_name: attrs[:branch],
           commit_message: attrs[:commit_message],
           file_content: attrs[:content],
@@ -37,8 +37,9 @@ module API
 
       params :simple_file_params do
         requires :file_path, type: String, desc: 'The url encoded path to the file. Ex. lib%2Fclass%2Erb'
-        requires :branch, type: String, desc: 'The name of branch'
-        requires :commit_message, type: String, desc: 'Commit Message'
+        requires :branch, type: String, desc: 'Name of the branch to commit into. To create a new branch, also provide `start_branch`.'
+        requires :commit_message, type: String, desc: 'Commit message'
+        optional :start_branch, type: String, desc: 'Name of the branch to start the new commit from'
         optional :author_email, type: String, desc: 'The email of the author'
         optional :author_name, type: String, desc: 'The name of the author'
       end