Make it easier to retry jobs

Add a new event 'retry', and run jobs where the number of retry events is
greater or equal to the number of failure events.

Also add an index to the git_branches table to make the finding jobs query a
bit faster.

1 files changed, 7 insertions, 0 deletions

diff --git a/sqitch/revert/add_retry_value_to_job_event_enum.sql b/sqitch/revert/add_retry_value_to_job_event_enum.sql
new file mode 100644
index 0000000..96e7ccd
--- /dev/null
+++ b/sqitch/revert/add_retry_value_to_job_event_enum.sql
@@ -0,0 +1,7 @@
+-- Revert guix-data-service:add_retry_value_to_job_event_enum from pg
+
+BEGIN;
+
+-- XXX Add DDLs here.
+
+COMMIT;