Mercurial > hg
view tests/test-merge-revert.t @ 39594:bdb41eaa8b59
snapshot: fix line order when skipping over empty deltas
The code movement in 37957e07138c introduced an error.
Since 8f83a953dddf, we discarded some revisions because they are identical to
their delta base (and use that delta base instead). That logic is good,
however, in 37957e07138c we mixed up the order of two line, adding the "new"
revision to the set of already tested one, instead of the discarded one. So in
practice, we were never investigating any revisions in a chain starting with
an empty delta. Creating significantly worst delta chain (eg: Mercurial's
manifest move goes from about 60MB up to about 80MB).
author | Boris Feld <boris.feld@octobus.net> |
---|---|
date | Mon, 10 Sep 2018 10:11:21 +0200 |
parents | 28e2e3804f2e |
children | 55c6ebd11cb9 |
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$ hg init $ echo "added file1" > file1 $ echo "added file2" > file2 $ hg add file1 file2 $ hg commit -m "added file1 and file2" $ echo "changed file1" >> file1 $ hg commit -m "changed file1" $ hg -q log 1:08a16e8e4408 0:d29c767a4b52 $ hg id 08a16e8e4408 tip $ hg update -C 0 1 files updated, 0 files merged, 0 files removed, 0 files unresolved $ hg id d29c767a4b52 $ echo "changed file1" >> file1 $ hg id d29c767a4b52+ $ hg revert --all reverting file1 $ hg diff $ hg status ? file1.orig $ hg id d29c767a4b52 $ hg update 1 files updated, 0 files merged, 0 files removed, 0 files unresolved $ hg diff $ hg status ? file1.orig $ hg id 08a16e8e4408 tip $ hg update -C 0 1 files updated, 0 files merged, 0 files removed, 0 files unresolved $ echo "changed file1" >> file1 $ hg update 1 files updated, 0 files merged, 0 files removed, 0 files unresolved $ hg diff $ hg status ? file1.orig $ hg id 08a16e8e4408 tip $ hg revert --all $ hg diff $ hg status ? file1.orig $ hg id 08a16e8e4408 tip $ hg revert -r tip --all $ hg diff $ hg status ? file1.orig $ hg id 08a16e8e4408 tip $ hg update -C 0 files updated, 0 files merged, 0 files removed, 0 files unresolved $ hg diff $ hg status ? file1.orig $ hg id 08a16e8e4408 tip