Detecting JIRA Ticket in Merge Request Title and Executing Transition to ID 3

transition-jira-on-merge.sh

#!/bin/bash

echo "Verifying if the Merge Request title contains a JIRA ticket number..."
if [[ "$CI_MERGE_REQUEST_TITLE" =~ \[(TT-[0-9]+)\] ]]; then
  JIRA_ISSUE="${BASH_REMATCH[1]}"
  echo "JIRA ticket number found : ${JIRA_ISSUE}"
else
  echo "No JIRA ticket number was found in the Merge Request title."
  exit 0  # Do nothing if no ticket is found
fi

echo "Updating JIRA ticket ${JIRA_ISSUE} to move it to transition ID 3..."
curl -u "$JIRA_EMAIL:$JIRA_API_TOKEN" \
  -X POST \
  -H "Content-Type: application/json" \
  --data '{
    "transition": {"id": "3"}
  }' \
  "$JIRA_API_URL/rest/api/3/issue/${JIRA_ISSUE}/transitions"