Mercurial > hg
view tests/test-push-checkheads-pruned-B8.t @ 40570:ad71c792a8d8
fix: add extra field to fixed revisions to avoid creating obsolescence cycles
The extra field prevents sequential invocations of fix from producing the same
hash twice. Previously, this could cause problems because it would create an
obsolescence cycle instead of the expected new successor.
This change also adds an explicit check for whether a new revision should be
committed. Until now, the code relied on memctx.commit() to quietly do nothing
if the node already exists. Because of the new extra field, this no longer
covers the case where we don't want to replace an unchanged node.
Differential Revision: https://phab.mercurial-scm.org/D5245
author | Danny Hooper <hooper@google.com> |
---|---|
date | Thu, 08 Nov 2018 12:35:26 -0800 |
parents | 89630d0b3e23 |
children | 34a46d48d24e |
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==================================== Testing head checking code: Case B-2 ==================================== Mercurial checks for the introduction of new heads on push. Evolution comes into play to detect if existing branches on the server are being replaced by some of the new one we push. This case is part of a series of tests checking this behavior. Category B: simple case involving pruned changesets TestCase 2: multi-changeset branch, head is pruned, rest is superceeded, through other .. old-state: .. .. * 2 changeset branch .. .. new-state: .. .. * old head is rewritten then pruned .. * 1 new branch succeeding to the other changeset in the old branch (through another obsolete branch) .. .. expected-result: .. .. * push allowed .. .. graph-summary: .. .. B ø⇠⊗ B' .. | | A' .. A ø⇠ø⇠◔ A'' .. |/ / .. | / .. |/ .. ● $ . $TESTDIR/testlib/push-checkheads-util.sh Test setup ---------- $ mkdir B8 $ cd B8 $ setuprepos creating basic server and client repo updating to branch default 2 files updated, 0 files merged, 0 files removed, 0 files unresolved $ cd server $ mkcommit B0 $ cd ../client $ hg pull pulling from $TESTTMP/B8/server searching for changes adding changesets adding manifests adding file changes added 1 changesets with 1 changes to 1 files new changesets d73caddc5533 (1 drafts) (run 'hg update' to get a working copy) $ hg up 0 0 files updated, 0 files merged, 1 files removed, 0 files unresolved $ mkcommit A1 created new head $ mkcommit B1 $ hg up 0 0 files updated, 0 files merged, 2 files removed, 0 files unresolved $ mkcommit A2 created new head $ hg debugobsolete `getid "desc(A0)" ` `getid "desc(A1)"` obsoleted 1 changesets 1 new orphan changesets $ hg debugobsolete `getid "desc(B0)" ` `getid "desc(B1)"` obsoleted 1 changesets $ hg debugobsolete --record-parents `getid "desc(B1)"` obsoleted 1 changesets $ hg debugobsolete `getid "desc(A1)" ` `getid "desc(A2)"` obsoleted 1 changesets $ hg log -G --hidden @ c1f8d089020f (draft): A2 | | x 262c8c798096 (draft): B1 | | | x f6082bc4ffef (draft): A1 |/ | x d73caddc5533 (draft): B0 | | | x 8aaa48160adc (draft): A0 |/ o 1e4be0697311 (public): root Actual testing -------------- $ hg push pushing to $TESTTMP/B8/server searching for changes adding changesets adding manifests adding file changes added 1 changesets with 1 changes to 1 files (+1 heads) 4 new obsolescence markers obsoleted 2 changesets $ cd ../..