Mercurial > hg
view tests/test-rebase-transaction.t @ 39494:e72130f58f5d
snapshot: consider all snapshots in the parents' chains
There are no reasons to only consider full snapshot as a possible base for an
intermediate snapshot. Now that the basic principles have been set, we can
start adding more levels of snapshots.
We now consider all snapshots in the parent's chains (full or intermediate).
This creates a chain of intermediate snapshots, each smaller than the previous
one.
# Effect On The Test Repository
In the test repository, we can see a decrease in the revlog size and slightly
shorter delta chain.
However, that approach creates snapshots more frequently, increasing the risk
of ending into problematic cases in very branchy repositories (not triggered
by the test repository). The next changesets will remove that risk by adding
logic that increases deltas reuse.
author | Boris Feld <boris.feld@octobus.net> |
---|---|
date | Fri, 07 Sep 2018 11:17:30 -0400 |
parents | 17a744c5e270 |
children | 35ebdbb38efb |
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Rebasing using a single transaction $ cat >> $HGRCPATH <<EOF > [extensions] > rebase= > drawdag=$TESTDIR/drawdag.py > > [rebase] > singletransaction=True > > [phases] > publish=False > > [alias] > tglog = log -G --template "{rev}: {desc}" > EOF Check that a simple rebase works $ hg init simple && cd simple $ hg debugdrawdag <<'EOF' > Z > | > | D > | | > | C > | | > Y B > |/ > A > EOF - We should only see one status stored message. It comes from the start. $ hg rebase --debug -b D -d Z | grep 'status stored' rebase status stored $ hg tglog o 5: D | o 4: C | o 3: B | o 2: Z | o 1: Y | o 0: A $ cd .. Check that --collapse works $ hg init collapse && cd collapse $ hg debugdrawdag <<'EOF' > Z > | > | D > | | > | C > | | > Y B > |/ > A > EOF - We should only see two status stored messages. One from the start, one from - cmdutil.commitforceeditor() which forces tr.writepending() $ hg rebase --collapse --debug -b D -d Z | grep 'status stored' rebase status stored rebase status stored $ hg tglog o 3: Collapsed revision | * B | * C | * D o 2: Z | o 1: Y | o 0: A $ cd .. With --collapse, check that conflicts can be resolved and rebase can then be continued $ hg init collapse-conflict && cd collapse-conflict $ hg debugdrawdag <<'EOF' > Z # Z/conflict=Z > | > | D > | | > | C # C/conflict=C > | | > Y B > |/ > A > EOF $ hg rebase --collapse -b D -d Z rebasing 1:112478962961 "B" (B) rebasing 3:c26739dbe603 "C" (C) merging conflict warning: conflicts while merging conflict! (edit, then use 'hg resolve --mark') unresolved conflicts (see hg resolve, then hg rebase --continue) [1] $ hg tglog o 5: D | | @ 4: Z | | @ | 3: C | | | o 2: Y | | o | 1: B |/ o 0: A $ hg st M C M conflict A B ? conflict.orig $ echo resolved > conflict $ hg resolve -m (no more unresolved files) continue: hg rebase --continue $ hg rebase --continue already rebased 1:112478962961 "B" (B) as 79bc8f4973ce rebasing 3:c26739dbe603 "C" (C) rebasing 5:d24bb333861c "D" (D tip) saved backup bundle to $TESTTMP/collapse-conflict/.hg/strip-backup/112478962961-b5b34645-rebase.hg $ hg tglog o 3: Collapsed revision | * B | * C | * D o 2: Z | o 1: Y | o 0: A $ cd .. With --collapse, check that the commit message editing can be canceled and rebase can then be continued $ hg init collapse-cancel-editor && cd collapse-cancel-editor $ hg debugdrawdag <<'EOF' > Z > | > | D > | | > | C > | | > Y B > |/ > A > EOF $ HGEDITOR=false hg --config ui.interactive=1 rebase --collapse -b D -d Z rebasing 1:112478962961 "B" (B) rebasing 3:26805aba1e60 "C" (C) rebasing 5:f585351a92f8 "D" (D tip) transaction abort! rollback completed abort: edit failed: false exited with status 1 [255] $ hg tglog o 5: D | | o 4: Z | | o | 3: C | | | o 2: Y | | o | 1: B |/ o 0: A $ hg rebase --continue rebasing 1:112478962961 "B" (B) rebasing 3:26805aba1e60 "C" (C) rebasing 5:f585351a92f8 "D" (D tip) saved backup bundle to $TESTTMP/collapse-cancel-editor/.hg/strip-backup/112478962961-cb2a9b47-rebase.hg $ hg tglog o 3: Collapsed revision | * B | * C | * D o 2: Z | o 1: Y | o 0: A $ cd ..