Mercurial > hg
view tests/test-remotefilelog-bundle2.t @ 42050:03f6480bfdda
unshelve: disable unshelve during merge (issue5123)
As stated in the issue5123, unshelve can destroy the second parent of
the context when tried to unshelve with an uncommitted merge. This
patch makes unshelve to abort when called with an uncommitted merge.
See how shelve.mergefiles works. Commit structure looks like this:
```
... -> pctx -> tmpwctx -> shelvectx
/
/
second
merge parent
pctx = parent before merging working context(first merge parent)
tmpwctx = commited working directory after merge(with two parents)
shelvectx = shelved context
```
shelve.mergefiles first updates to pctx then it reverts shelvectx to pctx with:
```
cmdutil.revert(ui, repo, shelvectx, repo.dirstate.parents(),
*pathtofiles(repo, files),
**{'no_backup': True})
```
Reverting tmpwctx files that were merged from second parent to pctx makes them
added because they are not in pctx.
Changing this revert operation is crucial to restore parents after unshelve.
This is a complicated issue as this is not fixing a regression. Thus, for the
time being, unshelve during an uncommitted merge can be aborted.
(Details taken from http://mercurial.808500.n3.nabble.com/PATCH-V3-shelve-restore-parents-after-unshelve-issue5123-tt4036858.html#a4037408)
Differential Revision: https://phab.mercurial-scm.org/D6169
author | Navaneeth Suresh <navaneeths1998@gmail.com> |
---|---|
date | Mon, 25 Mar 2019 12:33:41 +0530 |
parents | 0800d9e6e216 |
children | 68b7faeb6ef3 |
line wrap: on
line source
#require no-windows $ . "$TESTDIR/remotefilelog-library.sh" $ hg init master $ grep generaldelta master/.hg/requires generaldelta $ cd master preferuncompressed = False so that we can make both generaldelta and non-generaldelta clones $ cat >> .hg/hgrc <<EOF > [remotefilelog] > server=True > [experimental] > bundle2-exp = True > [server] > preferuncompressed = False > EOF $ echo x > x $ hg commit -qAm x $ cd .. $ hgcloneshallow ssh://user@dummy/master shallow-generaldelta -q --pull --config experimental.bundle2-exp=True 1 files fetched over 1 fetches - (1 misses, 0.00% hit ratio) over *s (glob) $ grep generaldelta shallow-generaldelta/.hg/requires generaldelta $ hgcloneshallow ssh://user@dummy/master shallow-plain -q --pull --config format.usegeneraldelta=False --config format.generaldelta=False --config experimental.bundle2-exp=True $ grep generaldelta shallow-plain/.hg/requires [1] $ cd master $ echo a > a $ hg commit -qAm a pull from generaldelta to generaldelta $ cd ../shallow-generaldelta $ hg pull -u pulling from ssh://user@dummy/master searching for changes adding changesets adding manifests adding file changes added 1 changesets with 0 changes to 0 files new changesets 2fbb8bb2b903 1 files updated, 0 files merged, 0 files removed, 0 files unresolved 1 files fetched over 1 fetches - (1 misses, 0.00% hit ratio) over *s (glob) push from generaldelta to generaldelta $ echo b > b $ hg commit -qAm b $ hg push pushing to ssh://user@dummy/master searching for changes remote: adding changesets remote: adding manifests remote: adding file changes remote: added 1 changesets with 1 changes to 1 files pull from generaldelta to non-generaldelta $ cd ../shallow-plain $ hg pull -u pulling from ssh://user@dummy/master searching for changes adding changesets adding manifests adding file changes added 2 changesets with 0 changes to 0 files new changesets 2fbb8bb2b903:d6788bd632ca 2 files updated, 0 files merged, 0 files removed, 0 files unresolved 1 files fetched over 1 fetches - (1 misses, 0.00% hit ratio) over *s (glob) push from non-generaldelta to generaldelta $ echo c > c $ hg commit -qAm c $ hg push pushing to ssh://user@dummy/master searching for changes remote: adding changesets remote: adding manifests remote: adding file changes remote: added 1 changesets with 1 changes to 1 files