Generate Diff and Patch direct from Pull head (#10936)#10938
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Backport go-gitea#10936 * Generate Diff and Patch direct from Pull head Fix go-gitea#10932 Also fix "Empty Diff/Patch File when pull is merged" Closes go-gitea#10934 * Add tests to ensure that diff does not change * Ensure diffs and pulls pages work if head branch is deleted too Signed-off-by: Andrew Thornton <art27@cantab.net>
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This backport is potentially more questionable. The same code is safe in 1.12 because we run a migration to update the mergebase correctly on PRs but 1.11 and earlier do not have this migration so old PRs will have the incorrect mergebase. @lunny's suggest doctor command would help update the mergebase. An alternative would be to have a mixture of the two solutions - one for if the head repo/head branch cannot be found or the PR is merged and the original code if not. |
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Backport #10936
Fix #10932
Also fix "Empty Diff/Patch File when pull is merged"
Closes #10934
Signed-off-by: Andrew Thornton art27@cantab.net
See below for a comment on why this code might not necessarily always be correct in 1.11