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* git-debrebase: merge: Break out merge_wreckage_cleaning (nfc)Ian Jackson2018-08-11
| | | | Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
* git-debrebase: merge: test suite: Check wreckage savingIan Jackson2018-08-11
| | | | Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
* git-debrebase: merge: Save wreckage if desiredIan Jackson2018-08-11
| | | | Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
* git-debrebase: merge: Introduce new merge_failed subIan Jackson2018-08-11
| | | | | | | And call it from $nomerge in walk. Now we produce a sane error message. Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
* git-debrebase: merge: Make mwrecknote call printdebugIan Jackson2018-08-11
| | | | Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
* git-debrebase: merge: Miscellaneous mwrecknote fixesIan Jackson2018-08-11
| | | | | | | | | | | Add the missing commitish for the -patchqueue wrecknote. Defend against undef (or too few) args to mwrecknote. (The way we end up calling it means perl doesn't notice.) In walk, ensure that we initialise $cl->{MergeWreckNotes}. Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
* git-debrebase: Break out run_ref_updates_nowIan Jackson2018-08-11
| | | | | | NFC Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
* Dgit.pm: failmsg: Remove all double newlines, not just the firstIan Jackson2018-08-11
| | | | | | | I don't think this makes any difference with the current error messages. Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
* git-debrebase: merge: gdr-merge test: Test an early failure tooIan Jackson2018-08-11
| | | | | | And sort out the section comments. Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
* test suite: Set DEBFULLNAMEIan Jackson2018-08-11
| | | | Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
* git-debrebase: merge: Introduce global mwrecknote subIan Jackson2018-08-11
| | | | | | NFC Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
* git-debrebase: merge: gdr-merge-conflicts test: New testIan Jackson2018-08-11
| | | | | | Will be improved later. Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
* git-debrebase: merge: gdr-merge test: sort out section commentsIan Jackson2018-08-11
| | | | Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
* git-debrebase: merge: Do not crash on branches with no delta queueIan Jackson2018-08-11
| | | | Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
* git-debrebase: Do not bail making patches if there aren't any.Ian Jackson2018-08-11
| | | | Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
* git-debrebase: merge: test: Introduce t-merge-conflicted-*Ian Jackson2018-08-11
| | | | | | NFC Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
* git-debrebase: merge: test: Drop stuff cloned from gdr-viagitIan Jackson2018-08-11
| | | | | | We don't much are about this here. Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
* git-debrebase: merge: Add wreck note recording to merge_seriesIan Jackson2018-08-11
| | | | | | | We also add a LeftRight to the merge base delta queue hashref, so that it can be treated the same as the left and right delta queues. Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
* git-debrebase: merge: Clarify an internal commit messageIan Jackson2018-08-11
| | | | Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
* git-debrebase: merge: Break out $mdebugIan Jackson2018-08-11
| | | | | | NFC. Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
* git-debrebase: merge: Pass wreckage hashref to merge_seriesIan Jackson2018-08-11
| | | | | | NFC so far. Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
* git-debrebase: merge: Introduce $mwrecknote in walk analysis halfIan Jackson2018-08-11
| | | | | | | | | | We collect various git objects that we may want to present to the user as wreckage. Currently we dump them in $cl and print them out in $nomerge. We'll want to do better than that of course. Also, we don't collect any wreckage for the actual series merge yet. Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
* git-debrebase: merge: Whitespace changesIan Jackson2018-08-11
| | | | Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
* git-debrebase: merge: Refactor interchange merge-base computationIan Jackson2018-08-11
| | | | | | | We need to unpack this a bit so that we can insert some wrecknote stuff, which will come in a moment. Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
* git-debrebase: merge: Fix a $nomerge messageIan Jackson2018-08-11
| | | | Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
* git-debrebase: merge: Add a comment about rewritingIan Jackson2018-08-11
| | | | Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
* git-debrebase: merge: Remove a redundant checkIan Jackson2018-08-11
| | | | | | | MergedBreakwaters commits are now handled by a completely other branch of the if, so this check is now redundant. Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
* git-debrebase: merge: mergedbreakwaters_anchor: Check consistencyIan Jackson2018-08-11
| | | | | | | Check that the result contains all the other anchors. This is ensured by walk, and required of VanillaMerges. Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
* git-debrebase: merge: Avoid needlessly walking MergedBreakwatersIan Jackson2018-08-11
| | | | | | | We will not ever need to rewrite one of these, so we can just ask keycommits for its anchor. Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
* git-debrebase: merge: test suite: Use t-ref-same-startIan Jackson2018-08-11
| | | | | | | | This is better than t-gdr-good laundered because (i) it is faster (ii) it checks that the second laundry was a no-op (and did not rewrite unnecessarily). Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
* git-debrebase: merge: test suite: test avoiding re-merge of debian/Ian Jackson2018-08-11
| | | | Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
* git-debrebase: merge: Avoid asking user to re-merge debian/Ian Jackson2018-08-11
| | | | | | | If it had conflicts, they will have been resolved earlier and we can just take that resolution. Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
* git-debrebase: merge: test suite: Do a bit more testingIan Jackson2018-08-11
| | | | | | We can now call t-gdr-good laundered, because it works. Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
* test suite: lib-gdr: t-gdr-good: Handle MergedBreakwatersIan Jackson2018-08-11
| | | | Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
* git-debrebase: merge: Add another xxx commentIan Jackson2018-08-11
| | | | Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
* git-debrebase: walk: Reintroduce the local $read_tree_upstream subIan Jackson2018-08-11
| | | | | | | | | | | | | | | Now that we have the $tree_with_debian parameter to the global read_tree_upstream, we can use it to avoid the git-write-tree call and pass $build as the $tree_with_debian. This thus partially reverts dfc092e0ec3d932e51a071000519477d0e33525c git-debrebase: Make read_tree_upstream global (nfc) The combined effect is now that $read_tree_upstream does exactly the git commands it did before. Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
* git-debrebase: merge: Get debian/ parts of new patch queue rightIan Jackson2018-08-11
| | | | | | | | | | We want the newly generated delta queue commits to have the $newbase's debian/. Previously we let read_tree_upstream save and restore debian/, but the contents of debian/ in the index are not right: they're the result of the git merge, which is whatever is left over from earlier. Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
* git-debrebase: read_tree_upstream: New $tree_with_debian parameterIan Jackson2018-08-11
| | | | | | | | If not passed, this function does the same as it did before. NFC. Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
* git-debrebase: merge: Generate some more debugging commitsIan Jackson2018-08-11
| | | | Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
* git-debrebase: keycommits: Handle merged-breakwater commitsIan Jackson2018-08-11
| | | | Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
* git-debrebase: keycommits: New $claimed_bw optional argumentIan Jackson2018-08-11
| | | | | | No users yet, so NFC. Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
* git-debrebase: merge: Generate merged-breakwaters with correct metadataIan Jackson2018-08-11
| | | | Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
* git-debrebase: keycommits: Break out $found_anchorIan Jackson2018-08-11
| | | | | | We are going to want to reuse this. Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
* test suite: lib-gdr: t-gdr-good: Introduce t-gdr-analyseIan Jackson2018-08-11
| | | | | | | | NFC This will allow us to recurse. Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
* test suite: lib-gdr: t-gdr-good: Introduce $analIan Jackson2018-08-11
| | | | | | NFC Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
* git-debrebase: merge: Check that merge resolution is correctIan Jackson2018-08-11
| | | | Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
* git-debrebase: merge: Comment about laundry of merge of unstitchedIan Jackson2018-08-11
| | | | | | | | I have concluded that this is not a problem avoidable by git-debrebase, and that any trouble will be tolerable (at least, not data loss). The user should try to avoid doing this. Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
* git-debrebase: merge: Improve some xxx commentsIan Jackson2018-08-11
| | | | Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
* git-debrebase: merge: test suite: Test both with and without `after'Ian Jackson2018-08-11
| | | | Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
* git-debrebase: merge: Do not sometimes drop the first patch!Ian Jackson2018-08-11
| | | | Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
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