GitHub Migration: Move Tickets and Repos Without Losing Trust
Migrate into GitHub with an inventory, field map, pilot import, dual-run week, and validation — so history survives and operators trust the new system.
Quick answer
Migrate into GitHub with an inventory of repos, issues, Actions workflows, and packages — not Copilot seat assignments, a field map, a pilot import, a dual-run week, and validation with the people who live in the data — so history survives and the team trusts the new system.
- Inventory source objects
- Map fields before bulk load
- Pilot one site / one role / one team
- Dual-run for a week
- Validate with sceptic users
GitHub migration rules
- Inventory first — Typical objects: repos, issues, Actions workflows, and packages — not Copilot seat assignments.
- Pilot beats big-bang — Prove a small GitHub import before you move everything.
- Integrations after the pilot — Research names Slack, Jira, Azure Devops, and Aws on the GitHub side — confirm the connectors your IT loop depends on.
- Do not migrate the wrong job — GitHub is source control and DevOps platform. Do not import a git host or an observability suite and expect it to become source control and DevOps platform.
GitHub migration map
1. Inventory and map
List repos, issues, Actions workflows, and packages — not Copilot seat assignments. Map required fields and owners. Never invent list prices here — confirm seats, hosts, ingest, and quote terms on /pricing/github/. Worked example: Northline Engineering (two squads) discovers duplicate employee IDs in the spreadsheet before the first import — and fixes identity before volume.
2. Pilot import
Import one site, one role, or one team. Run push a branch, open a PR, and merge with Actions green — Copilot is a different product on the pilot set. Worked example: Northline Engineering (two squads) will not schedule a cutover until the pilot can a developer opens a PR and Actions runs without a GitHub org owner.
3. Dual-run and cutover
Run old and new in parallel for a week. Spot-check records sceptic users care about, then freeze the legacy source. Worked example: Northline Engineering (two squads) keeps the old export for tickets, repos, or monitors until GitHub matches for seven consecutive days.
GitHub checklist
Bring these questions to every demo
Ask vendors to show the workflow live, not just describe it.
- 1Inventory source objectsrepos, issues, Actions workflows, and packages — not Copilot seat assignments
- 2Run a pilot importOne segment first; fix mapping before bulk.
- 3Validate with operatorsSpot-check records they care about before cutover.
4. Inventory what must move into GitHub
List users, historical records, templates, and integrations that must survive migration. Mark nice-to-have exports you can leave behind.
Worked example: Software teams needing Git source control as the system of record migrates active records only and archives the rest as read-only exports.
5. Run parallel cutover with a rollback path
Keep the old system read-only until GitHub passes non-admin proof. Name a rollback owner and maximum parallel window.
Worked example: Software teams needing Git source control as the system of record caps parallel run at two weeks with daily checkpoint notes.
6. Verify counts and permissions after import
Reconcile user counts, role permissions, and a sample of migrated records. Research lists Slack, Jira, Azure Devops, and Aws for GitHub. Confirm which are native vs API before go-live.
7. Inventory what must move into GitHub
List users, historical records, templates, and integrations that must survive migration. Mark nice-to-have exports you can leave behind.
Worked example: Software teams needing Git source control as the system of record migrates active records only and archives the rest as read-only exports.
8. Run parallel cutover with a rollback path
Keep the old system read-only until GitHub passes non-admin proof. Name a rollback owner and maximum parallel window.
Worked example: Software teams needing Git source control as the system of record caps parallel run at two weeks with daily checkpoint notes.
9. Verify counts and permissions after import
Reconcile user counts, role permissions, and a sample of migrated records. Research lists Slack, Jira, Azure Devops, and Aws for GitHub. Confirm which are native vs API before go-live.
10. Inventory what must move into GitHub
List users, historical records, templates, and integrations that must survive migration. Mark nice-to-have exports you can leave behind.
Worked example: Software teams needing Git source control as the system of record migrates active records only and archives the rest as read-only exports.
11. Run parallel cutover with a rollback path
Keep the old system read-only until GitHub passes non-admin proof. Name a rollback owner and maximum parallel window.
Worked example: Software teams needing Git source control as the system of record caps parallel run at two weeks with daily checkpoint notes.
12. Verify counts and permissions after import
Reconcile user counts, role permissions, and a sample of migrated records. Research lists Slack, Jira, Azure Devops, and Aws for GitHub. Confirm which are native vs API before go-live.
13. Before you sign with GitHub
Confirm the qualifying plan, non-admin proof, and integration owners in writing. Store quotes next to /pricing/github/ and the evaluation scorecard so finance can audit the same assumptions at renewal.
14. Write the decision memo
Name the job, the qualifying GitHub configuration, and what you are not buying yet. If stakeholders cannot explain why an alternative lost, the trial was not fair.
Frequently asked questions
Can we skip the dual-run?
Only if the dataset is tiny and reversible. Most SMB/mid teams regret skipping a week of parallel use.
What if history will not map cleanly?
Import active records first. Archive messy history as files rather than poisoning the new system of record.
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