MergeDBSchema
It is a git merge driver for db/schema.rb
of Ruby on Rails.
It resolves some of the conflict automatically.
# Can't merge a branch because schema version is conflicted.
$ git merge change1
Auto-merging db/schema.rb
CONFLICT (content): Merge conflict in db/schema.rb
Automatic merge failed; fix conflicts and then commit the result.
$ git diff
diff --cc db/schema.rb
index bdb07db,da150fc..0000000
--- a/db/schema.rb
+++ b/db/schema.rb
@@@ -10,7 -10,7 +10,11 @@@
#
# It's strongly recommended that you check this file into your version control system.
++<<<<<<< HEAD
+ActiveRecord::Schema.define(version: 20170701103541) do
++=======
+ ActiveRecord::Schema.define(version: 20170701103437) do
++>>>>>>> change1
create_table "articles", force: :cascade do |t|
t.string "title"
$ git merge --abort
# Install merge_db_schema
$ merge_db_schema-init --force
Initializing .gitattributes ... done!
Initializing .git/config ... done!
Successfully initialized!
# The conflict is resolved automatically!
$ git merge change1
Auto-merging db/schema.rb
Merge made by the 'recursive' strategy.
db/migrate/20170701103437_add_address_to_user.rb | 5 +++++
db/schema.rb | 1 +
2 files changed, 6 insertions(+)
create mode 100644 db/migrate/20170701103437_add_address_to_user.rb
Installation
Add this line to your application's Gemfile:
gem 'merge_db_schema'
And then execute:
$ bundle
Or install it yourself as:
$ gem install merge_db_schema
Initializing this gem
Run merge_db_schema-init
and edit .git/config
.
$ merge_db_schema-init
Initializing .gitattributes ... done!
Add the following code into .git/config, initializing is completed!
[merge "merge_db_schema"]
name = Merge db/schema.rb
driver = merge_db_schema %O %A %B
recursive = text
If you add --force
option to the command, it edits .git/config
automatically.
$ merge_db_schema-init --force
Initializing .gitattributes ... done!
Initializing .git/config ... done!
Successfully initialized!
Note: .git/config
is not tracked by Git. So, other team members should edit .git/config
to use this gem.
License
Apache License 2.0 See LICENSE