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build: add monorepo migration script #11880

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@chingor13 chingor13 commented Jan 26, 2026

Usage:

MIGRATION_HEAD_BRANCH=main \
  SOURCE_REPO_URL=https://github.com/googleapis/java-datastore \
  SQUASH_COMMITS=true \
  ./monorepo-migration/migrate.sh

options:

  • MIGRATION_HEAD_BRANCH - the code to branch from (e.g. if you need additional commits before the migration - defaults to main
  • SOURCE_REPO_URL - the split repository to migration - defaults to https://github.com/googleapis/java-logging
  • SQUASH_COMMITS - if set to true, then squash all migration fixes applied into a single commit

meltsufin and others added 30 commits January 26, 2026 19:02
@meltsufin @chingor13
chore: add monorepo migration script
81fe7f5
@meltsufin @chingor13
chore: fix path
2e08f3a
@meltsufin @chingor13
chore: refine migration script for atomic commits and isolation
bce3be9
@meltsufin @chingor13
chore: remove pom.xml update logic from migration script
87f9105
@meltsufin @chingor13
chore: implement GitHub Actions workflow migration using paths-filter
39579a7
@meltsufin @chingor13
chore: skip redundant workflows and update generation_config.yaml
7186888
@meltsufin @chingor13
chore: expand workflow skip list to include samples, release, and more
195a721
@meltsufin @chingor13
chore: make workflow transformation logic a permanent script and rena…
ebb120c 
…me workflows
@meltsufin @chingor13
chore: refine versions.txt consolidation to only append data lines
d89a6f9
@meltsufin @chingor13
chore: remove clirr job from workflow transformation
e42ce8f
@meltsufin @chingor13
chore: add copyright header fix to migration script
f4d37b6
@meltsufin @chingor13
impl: automate reporting removal, build verification, and dynamic par…
77ca28b 
…ent versioning
@chingor13
feat: add CLI binary checks to migrate.sh
1d0d4cc
@chingor13
chore: allow setting SOURCE_REPO_URL via environment variable in migr…
dac897b 
…ate.sh
@chingor13
feat: add guard for checking if the repository is already migrated
9733293
@chingor13
feat: add environment variable for specifying codeowner team to migrate
982964d
@chingor13
feat: insert new module in root pom.xml
afa909d
@chingor13
chore: exclude common files from source root in migration script
842b607
@chingor13
refactor: extract inline python to a .py file
dfb9b5c
@chingor13
chore: add license headers
17cebe7
@chingor13
fix: use 2026 when fixing copyright headers
0d41cab
@chingor13
refactor: extract fix copyright inline python into .py file
a0d0309
@chingor13
feat: update urls in the migrated pom.xml
dd6fbdb
@chingor13
fix: preserve explicilty declared versions in pom.xml
2c0b86c
@chingor13
fix: also preserve explicit google-cloud-x dependency versions
66d7b1c
@chingor13
feat: prompt for CODEOWNERS value
efcf08c
@chingor13
feat: prompt for SOURCE_REPO_URL value
490c1bd
@chingor13
feat: merge generator config yaml
ada0b97
@chingor13
chore: read root CODEOWNER entry from source
d8b8d5b
@chingor13
migrate .OwlBot-hermetic.yaml
a226a1a
@chingor13 chingor13 marked this pull request as ready for review January 27, 2026 01:19
@chingor13 chingor13 requested a review from a team as a code owner January 27, 2026 01:19
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2 participants

@chingor13 @meltsufin