Mercurial > hg
view tests/test-narrow-strip.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 | 7542e97c7867 |
children | 4a81d82474e9 |
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#testcases flat tree $ . "$TESTDIR/narrow-library.sh" #if tree $ cat << EOF >> $HGRCPATH > [experimental] > treemanifest = 1 > EOF #endif create full repo $ hg init master $ cd master $ cat >> .hg/hgrc <<EOF > [narrow] > serveellipses=True > EOF $ mkdir inside $ echo inside > inside/f1 $ mkdir outside $ echo outside > outside/f1 $ hg ci -Aqm 'initial' $ echo modified > inside/f1 $ hg ci -qm 'modify inside' $ hg co -q 0 $ echo modified > outside/f1 $ hg ci -qm 'modify outside' $ echo modified again >> outside/f1 $ hg ci -qm 'modify outside again' $ cd .. $ hg clone --narrow ssh://user@dummy/master narrow --include inside requesting all changes adding changesets adding manifests adding file changes added 3 changesets with 2 changes to 1 files (+1 heads) new changesets *:* (glob) updating to branch default 1 files updated, 0 files merged, 0 files removed, 0 files unresolved $ cd narrow $ cat >> $HGRCPATH <<EOF > [extensions] > strip= > EOF Can strip and recover changesets affecting only files within narrow spec $ hg co -r 'desc("modify inside")' 1 files updated, 0 files merged, 0 files removed, 0 files unresolved $ rm -f .hg/strip-backup/*-backup.hg $ hg strip . 1 files updated, 0 files merged, 0 files removed, 0 files unresolved saved backup bundle to $TESTTMP/narrow/.hg/strip-backup/*-backup.hg (glob) $ hg unbundle .hg/strip-backup/*-backup.hg adding changesets adding manifests adding file changes added 1 changesets with 1 changes to 1 files (+1 heads) new changesets * (glob) (run 'hg heads' to see heads, 'hg merge' to merge) Can strip and recover changesets affecting files outside of narrow spec $ hg co -r 'desc("modify outside")' 0 files updated, 0 files merged, 0 files removed, 0 files unresolved $ hg log -G -T '{rev} {desc}\n' o 2 modify inside | | @ 1 modify outside again |/ o 0 initial $ hg debugdata -m 1 inside/f1\x004d6a634d5ba06331a60c29ee0db8412490a54fcd (esc) (flat !) outside/f1\x0084ba604d54dee1f13310ce3d4ac2e8a36636691a (esc) (flat !) inside\x006a8bc41df94075d501f9740587a0c0e13c170dc5t (esc) (tree !) outside\x00255c2627ebdd3c7dcaa6945246f9b9f02bd45a09t (esc) (tree !) $ rm -f .hg/strip-backup/*-backup.hg $ hg strip . 0 files updated, 0 files merged, 0 files removed, 0 files unresolved saved backup bundle to $TESTTMP/narrow/.hg/strip-backup/*-backup.hg (glob) $ hg unbundle .hg/strip-backup/*-backup.hg adding changesets adding manifests adding file changes added 1 changesets with 0 changes to 0 files (+1 heads) new changesets * (glob) (run 'hg heads' to see heads, 'hg merge' to merge) $ hg log -G -T '{rev} {desc}\n' o 2 modify outside again | | o 1 modify inside |/ @ 0 initial Check that hash of file outside narrow spec got restored $ hg debugdata -m 2 inside/f1\x004d6a634d5ba06331a60c29ee0db8412490a54fcd (esc) (flat !) outside/f1\x0084ba604d54dee1f13310ce3d4ac2e8a36636691a (esc) (flat !) inside\x006a8bc41df94075d501f9740587a0c0e13c170dc5t (esc) (tree !) outside\x00255c2627ebdd3c7dcaa6945246f9b9f02bd45a09t (esc) (tree !) Also verify we can apply the bundle with 'hg pull': $ hg co -r 'desc("modify inside")' 1 files updated, 0 files merged, 0 files removed, 0 files unresolved $ rm .hg/strip-backup/*-backup.hg $ hg strip . 1 files updated, 0 files merged, 0 files removed, 0 files unresolved saved backup bundle to $TESTTMP/narrow/.hg/strip-backup/*-backup.hg (glob) #if repobundlerepo $ hg pull .hg/strip-backup/*-backup.hg pulling from .hg/strip-backup/*-backup.hg (glob) searching for changes adding changesets adding manifests adding file changes added 1 changesets with 1 changes to 1 files (+1 heads) new changesets * (glob) (run 'hg heads' to see heads, 'hg merge' to merge) $ rm .hg/strip-backup/*-backup.hg $ hg strip 0 0 files updated, 0 files merged, 1 files removed, 0 files unresolved saved backup bundle to $TESTTMP/narrow/.hg/strip-backup/*-backup.hg (glob) $ hg incoming .hg/strip-backup/*-backup.hg comparing with .hg/strip-backup/*-backup.hg (glob) changeset: 0:* (glob) user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: initial changeset: 1:9e48d953700d (flat !) changeset: 1:3888164bccf0 (tree !) user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: modify outside again changeset: 2:f505d5e96aa8 (flat !) changeset: 2:40b66f95a209 (tree !) tag: tip parent: 0:a99f4d53924d (flat !) parent: 0:c2a5fabcca3c (tree !) user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: modify inside $ hg pull .hg/strip-backup/*-backup.hg pulling from .hg/strip-backup/*-backup.hg (glob) requesting all changes adding changesets adding manifests adding file changes added 3 changesets with 2 changes to 1 files (+1 heads) new changesets *:* (glob) (run 'hg heads' to see heads, 'hg merge' to merge) #endif