# HG changeset patch # User Pierre-Yves David # Date 1615811865 -3600 # Node ID c52c3c4cbd3f269b673971073939b95948e95202 # Parent 316a768f2e43e1bb308b9f1265df5100ea43601e copies: detect files as `touched/salvaged` if they only existed on one side The file cannot be merged if there was content to merge on the other side. So the previous record was wrong. In the general case, the file existed only on one side and got touched during the merge. So it should detected as touched. They are a special case where the merge manually prevent the file to be deleted. In this case the file is marked as `salvaged`. The result of this `salvaged` recording, copy-tracing-wise, is the same as recording it as `merged`. This is probably why they were recorded as `merged` in the first place. Differential Revision: https://phab.mercurial-scm.org/D10219 diff -r 316a768f2e43 -r c52c3c4cbd3f mercurial/metadata.py --- a/mercurial/metadata.py Tue Mar 02 02:00:29 2021 +0100 +++ b/mercurial/metadata.py Mon Mar 15 13:37:45 2021 +0100 @@ -322,12 +322,12 @@ β”‚ (Some, None) β”‚ OR β”‚πŸ„» Deleted β”‚ ΓΈ β”‚ ΓΈ β”‚ β”‚ β”‚πŸ„· Deleted[1] β”‚ β”‚ β”‚ β”‚ β”œβ”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”Όβ”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”Όβ”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”Όβ”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”Όβ”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€ - β”‚ β”‚πŸ„Έ No Changes β”‚ β”‚ β”‚ β”‚ - β”‚ (None, Some) β”‚ OR β”‚ ΓΈ β”‚πŸ„Ό Added β”‚πŸ„½ Merged β”‚ + β”‚ β”‚πŸ„Έ No Changes β”‚ β”‚ β”‚ πŸ„½ Touched β”‚ + β”‚ (None, Some) β”‚ OR β”‚ ΓΈ β”‚πŸ„Ό Added β”‚OR πŸ…€ Salvaged β”‚ β”‚ β”‚πŸ„Ή Salvaged[2]β”‚ β”‚ (copied?) β”‚ (copied?) β”‚ β”œβ”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”Όβ”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”Όβ”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”Όβ”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”Όβ”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€ - β”‚ β”‚ β”‚ β”‚ β”‚ β”‚ - β”‚ (Some, Some) β”‚πŸ„Ί No Changes β”‚ ΓΈ β”‚πŸ„Ύ Merged β”‚πŸ„Ώ Merged β”‚ + β”‚ β”‚ β”‚ β”‚ πŸ„Ύ Touched β”‚ β”‚ + β”‚ (Some, Some) β”‚πŸ„Ί No Changes β”‚ ΓΈ β”‚OR πŸ… Salvaged β”‚πŸ„Ώ Merged β”‚ β”‚ β”‚ [3] β”‚ β”‚ (copied?) β”‚ (copied?) β”‚ β””β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”΄β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”΄β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”΄β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”΄β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”˜ @@ -454,8 +454,16 @@ # case πŸ„» β€” both deleted the file. md.mark_removed(filename) elif d1[1][0] is not None and d2[1][0] is not None: - # case πŸ„½ πŸ„Ύ πŸ„Ώ - md.mark_merged(filename) + if d1[0][0] is None or d2[0][0] is None: + if any(_find(ma, filename) is not None for ma in mas): + # case πŸ…€ or πŸ… + md.mark_salvaged(filename) + else: + # case πŸ„½ πŸ„Ύ : touched + md.mark_touched(filename) + else: + # case πŸ„Ώ : merged + md.mark_merged(filename) copy_candidates.append(filename) else: # Impossible case, the post-merge file status cannot be None on diff -r 316a768f2e43 -r c52c3c4cbd3f tests/test-copies-chain-merge.t --- a/tests/test-copies-chain-merge.t Tue Mar 02 02:00:29 2021 +0100 +++ b/tests/test-copies-chain-merge.t Mon Mar 15 13:37:45 2021 +0100 @@ -1987,29 +1987,13 @@ ##### revision "mCB-change-m-0 merge explicitely revive deleted file - B side" ##### 1 sidedata entries entry-0014 size 14 - '\x00\x00\x00\x01\x10\x00\x00\x00\x01\x00\x00\x00\x00d' (no-upgraded no-upgraded-parallel !) - salvaged : d, ; (no-upgraded no-upgraded-parallel !) - '\x00\x00\x00\x01\x08\x00\x00\x00\x01\x00\x00\x00\x00d' (upgraded known-bad-output !) - merged : d, ; (upgraded known-bad-output !) - '\x00\x00\x00\x01\x10\x00\x00\x00\x01\x00\x00\x00\x00d' (upgraded missing-correct-output !) - salvaged : d, ; (upgraded missing-correct-output !) - '\x00\x00\x00\x01\x08\x00\x00\x00\x01\x00\x00\x00\x00d' (upgraded-parallel known-bad-output !) - merged : d, ; (upgraded-parallel known-bad-output !) - '\x00\x00\x00\x01\x10\x00\x00\x00\x01\x00\x00\x00\x00d' (upgraded-parallel missing-correct-output !) - salvaged : d, ; (upgraded-parallel missing-correct-output !) + '\x00\x00\x00\x01\x10\x00\x00\x00\x01\x00\x00\x00\x00d' + salvaged : d, ; ##### revision "mBC-change-m-0 merge explicitely revive deleted file - B side" ##### 1 sidedata entries entry-0014 size 14 - '\x00\x00\x00\x01\x10\x00\x00\x00\x01\x00\x00\x00\x00d' (no-upgraded no-upgraded-parallel !) - salvaged : d, ; (no-upgraded no-upgraded-parallel !) - '\x00\x00\x00\x01\x08\x00\x00\x00\x01\x00\x00\x00\x00d' (upgraded known-bad-output !) - merged : d, ; (upgraded known-bad-output !) - '\x00\x00\x00\x01\x10\x00\x00\x00\x01\x00\x00\x00\x00d' (upgraded missing-correct-output !) - salvaged : d, ; (upgraded missing-correct-output !) - '\x00\x00\x00\x01\x08\x00\x00\x00\x01\x00\x00\x00\x00d' (upgraded-parallel known-bad-output !) - merged : d, ; (upgraded-parallel known-bad-output !) - '\x00\x00\x00\x01\x10\x00\x00\x00\x01\x00\x00\x00\x00d' (upgraded-parallel missing-correct-output !) - salvaged : d, ; (upgraded-parallel missing-correct-output !) + '\x00\x00\x00\x01\x10\x00\x00\x00\x01\x00\x00\x00\x00d' + salvaged : d, ; ##### revision "j-1" ##### 1 sidedata entries entry-0014 size 24 @@ -2031,21 +2015,13 @@ ##### revision "mEA,Jm" ##### 1 sidedata entries entry-0014 size 24 - '\x00\x00\x00\x01\x14\x00\x00\x00\x0b\x00\x00\x00\x00unrelated-j' (no-upgraded no-upgraded-parallel !) - touched : unrelated-j, ; (no-upgraded no-upgraded-parallel !) - '\x00\x00\x00\x01\x08\x00\x00\x00\x0b\x00\x00\x00\x00unrelated-j' (upgraded known-bad-output !) - merged : unrelated-j, ; (upgraded known-bad-output !) - '\x00\x00\x00\x01\x08\x00\x00\x00\x0b\x00\x00\x00\x00unrelated-j' (upgraded-parallel known-bad-output !) - merged : unrelated-j, ; (upgraded-parallel known-bad-output !) + '\x00\x00\x00\x01\x14\x00\x00\x00\x0b\x00\x00\x00\x00unrelated-j' + touched : unrelated-j, ; ##### revision "mJ,EAm" ##### 1 sidedata entries entry-0014 size 24 - '\x00\x00\x00\x01\x14\x00\x00\x00\x0b\x00\x00\x00\x00unrelated-j' (no-upgraded no-upgraded-parallel !) - touched : unrelated-j, ; (no-upgraded no-upgraded-parallel !) - '\x00\x00\x00\x01\x08\x00\x00\x00\x0b\x00\x00\x00\x00unrelated-j' (upgraded known-bad-output !) - merged : unrelated-j, ; (upgraded known-bad-output !) - '\x00\x00\x00\x01\x08\x00\x00\x00\x0b\x00\x00\x00\x00unrelated-j' (upgraded-parallel known-bad-output !) - merged : unrelated-j, ; (upgraded-parallel known-bad-output !) + '\x00\x00\x00\x01\x14\x00\x00\x00\x0b\x00\x00\x00\x00unrelated-j' + touched : unrelated-j, ; ##### revision "s-1" ##### 1 sidedata entries entry-0014 size 24 @@ -3560,9 +3536,7 @@ $ hg status --copies --rev 'desc("i-0")' --rev 'desc("mCB-change-m-0")' M b A d - a (no-compatibility no-changeset no-upgraded no-upgraded-parallel !) - a (upgraded missing-correct-output !) - a (upgraded-parallel missing-correct-output !) + a (no-compatibility no-changeset !) A t p R a