Closes #1789.
The bug was due to the fact that GitLab does not guarantee that issue numbers are created sequentially: some identifiers can be skipped. Therefore, the new pull requests numbers should not be offset by the number of issues, but by the maximum issue number.
See for instance https://gitlab.com/troyengel/archbuild/-/issues/?sort=created_date&state=all&first_page_size=20, where there is only a singe issue with number "2".
Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/1790
Co-authored-by: Antonin Delpeuch <antonin@delpeuch.eu>
Co-committed-by: Antonin Delpeuch <antonin@delpeuch.eu>
(cherry picked from commit 2c185c39fe600041701d5f59cb1076a788815cb4)
(cherry picked from commit 8f68dc4c9c2f0acab55d59a496b0f141befad969)
(cherry picked from commit 7e932b7fca1b119e7cc646183c383ba51a5f1d14)
(cherry picked from commit 6bbe75ecf8ac502bd42ff5765e6e7733f290a54e)
(cherry picked from commit b18c2e8d658c3311e0a299696bd1b6612c52ef13)
Conflicts:
services/migrations/gitlab.go
https://codeberg.org/forgejo/forgejo/pulls/2075
(cherry picked from commit abc129c762b3c1a992ad5c67adf62d8336eadbbe)
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(cherry picked from commit 5f528dd85fa6705c60d15bce616a46f00df1b85b)
(cherry picked from commit cb9b8a31b25b27fa5e386b20f02e532bbf3462a2)
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(cherry picked from commit 4611e10e6acef9185e1f8c84e63d1fe95fcf6436)
Fix gitlab migration unit test
Closes #1837.
The differences in dates can be explained by commit e19b9653ea, which
changed the order in which "created_date" and "updated_date" are
considered.
(cherry picked from commit b0bba20aa44e30ef0296b89f336d426224d73a16)
Mock HTTP requests in GitLab migration test
This introduces a new utility which can be added to other tests
making HTTP calls to a live service, to cache the responses of this
service in the repository.
(cherry picked from commit 52053b138948bd74c7eb88c0796c2e18f4247f3c)
Enable mocked HTTP responses for GitLab migration test
(cherry picked from commit 19cefc4de24b935a6a5c92be8360301f196f3aa5)
Simplify HTTP mocking utility in unit tests
Follow-up to https://codeberg.org/forgejo/forgejo/pulls/1841
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