Mercurial > hg
view tests/test-histedit-fold-non-commute.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 | 37ab9e20991c |
children | 15d2afa31e57 |
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$ . "$TESTDIR/histedit-helpers.sh" $ cat >> $HGRCPATH <<EOF > [extensions] > histedit= > EOF $ modwithdate () > { > echo $1 > $1 > hg ci -m $1 -d "$2 0" > } $ initrepo () > { > hg init $1 > cd $1 > for x in a b c d e f ; do > echo $x$x$x$x$x > $x > hg add $x > done > hg ci -m 'Initial commit' > modwithdate a 1 > modwithdate b 2 > modwithdate c 3 > modwithdate d 4 > modwithdate e 5 > modwithdate f 6 > echo 'I can haz no commute' > e > hg ci -m 'does not commute with e' -d '7 0' > cd .. > } $ initrepo r $ cd r Initial generation of the command files $ EDITED="$TESTTMP/editedhistory" $ hg log --template 'pick {node|short} {rev} {desc}\n' -r 3 >> $EDITED $ hg log --template 'pick {node|short} {rev} {desc}\n' -r 4 >> $EDITED $ hg log --template 'fold {node|short} {rev} {desc}\n' -r 7 >> $EDITED $ hg log --template 'pick {node|short} {rev} {desc}\n' -r 5 >> $EDITED $ hg log --template 'pick {node|short} {rev} {desc}\n' -r 6 >> $EDITED $ cat $EDITED pick 092e4ce14829 3 c pick ae78f4c9d74f 4 d fold 42abbb61bede 7 does not commute with e pick 7f3755409b00 5 e pick dd184f2faeb0 6 f log before edit $ hg log --graph @ changeset: 7:42abbb61bede | tag: tip | user: test | date: Thu Jan 01 00:00:07 1970 +0000 | summary: does not commute with e | o changeset: 6:dd184f2faeb0 | user: test | date: Thu Jan 01 00:00:06 1970 +0000 | summary: f | o changeset: 5:7f3755409b00 | user: test | date: Thu Jan 01 00:00:05 1970 +0000 | summary: e | o changeset: 4:ae78f4c9d74f | user: test | date: Thu Jan 01 00:00:04 1970 +0000 | summary: d | o changeset: 3:092e4ce14829 | user: test | date: Thu Jan 01 00:00:03 1970 +0000 | summary: c | o changeset: 2:40ccdd8beb95 | user: test | date: Thu Jan 01 00:00:02 1970 +0000 | summary: b | o changeset: 1:cd997a145b29 | user: test | date: Thu Jan 01 00:00:01 1970 +0000 | summary: a | o changeset: 0:1715188a53c7 user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: Initial commit edit the history $ hg histedit 3 --commands $EDITED 2>&1 | fixbundle 2 files updated, 0 files merged, 0 files removed, 0 files unresolved merging e warning: conflicts while merging e! (edit, then use 'hg resolve --mark') Fix up the change (fold 42abbb61bede) (hg histedit --continue to resume) fix up $ echo 'I can haz no commute' > e $ hg resolve --mark e (no more unresolved files) continue: hg histedit --continue $ HGEDITOR=cat hg histedit --continue 2>&1 | fixbundle | grep -v '2 files removed' d *** does not commute with e HG: Enter commit message. Lines beginning with 'HG:' are removed. HG: Leave message empty to abort commit. HG: -- HG: user: test HG: branch 'default' HG: changed d HG: changed e merging e warning: conflicts while merging e! (edit, then use 'hg resolve --mark') Fix up the change (pick 7f3755409b00) (hg histedit --continue to resume) just continue this time keep the non-commuting change, and thus the pending change will be dropped $ hg revert -r 'p1()' e $ hg resolve --mark e (no more unresolved files) continue: hg histedit --continue $ hg diff $ hg histedit --continue 2>&1 | fixbundle 7f3755409b00: skipping changeset (no changes) log after edit $ hg log --graph @ changeset: 5:1300355b1a54 | tag: tip | user: test | date: Thu Jan 01 00:00:06 1970 +0000 | summary: f | o changeset: 4:e2ac33269083 | user: test | date: Thu Jan 01 00:00:07 1970 +0000 | summary: d | o changeset: 3:092e4ce14829 | user: test | date: Thu Jan 01 00:00:03 1970 +0000 | summary: c | o changeset: 2:40ccdd8beb95 | user: test | date: Thu Jan 01 00:00:02 1970 +0000 | summary: b | o changeset: 1:cd997a145b29 | user: test | date: Thu Jan 01 00:00:01 1970 +0000 | summary: a | o changeset: 0:1715188a53c7 user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: Initial commit contents of e $ hg cat e I can haz no commute manifest $ hg manifest a b c d e f $ cd .. Repeat test using "roll", not "fold". "roll" folds in changes but drops message and date $ initrepo r2 $ cd r2 Initial generation of the command files $ EDITED="$TESTTMP/editedhistory.2" $ hg log --template 'pick {node|short} {rev} {desc}\n' -r 3 >> $EDITED $ hg log --template 'pick {node|short} {rev} {desc}\n' -r 4 >> $EDITED $ hg log --template 'roll {node|short} {rev} {desc}\n' -r 7 >> $EDITED $ hg log --template 'pick {node|short} {rev} {desc}\n' -r 5 >> $EDITED $ hg log --template 'pick {node|short} {rev} {desc}\n' -r 6 >> $EDITED $ cat $EDITED pick 092e4ce14829 3 c pick ae78f4c9d74f 4 d roll 42abbb61bede 7 does not commute with e pick 7f3755409b00 5 e pick dd184f2faeb0 6 f log before edit $ hg log --graph @ changeset: 7:42abbb61bede | tag: tip | user: test | date: Thu Jan 01 00:00:07 1970 +0000 | summary: does not commute with e | o changeset: 6:dd184f2faeb0 | user: test | date: Thu Jan 01 00:00:06 1970 +0000 | summary: f | o changeset: 5:7f3755409b00 | user: test | date: Thu Jan 01 00:00:05 1970 +0000 | summary: e | o changeset: 4:ae78f4c9d74f | user: test | date: Thu Jan 01 00:00:04 1970 +0000 | summary: d | o changeset: 3:092e4ce14829 | user: test | date: Thu Jan 01 00:00:03 1970 +0000 | summary: c | o changeset: 2:40ccdd8beb95 | user: test | date: Thu Jan 01 00:00:02 1970 +0000 | summary: b | o changeset: 1:cd997a145b29 | user: test | date: Thu Jan 01 00:00:01 1970 +0000 | summary: a | o changeset: 0:1715188a53c7 user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: Initial commit edit the history $ hg histedit 3 --commands $EDITED 2>&1 | fixbundle 2 files updated, 0 files merged, 0 files removed, 0 files unresolved merging e warning: conflicts while merging e! (edit, then use 'hg resolve --mark') Fix up the change (roll 42abbb61bede) (hg histedit --continue to resume) fix up $ echo 'I can haz no commute' > e $ hg resolve --mark e (no more unresolved files) continue: hg histedit --continue $ hg histedit --continue 2>&1 | fixbundle | grep -v '2 files removed' merging e warning: conflicts while merging e! (edit, then use 'hg resolve --mark') Fix up the change (pick 7f3755409b00) (hg histedit --continue to resume) just continue this time $ hg revert -r 'p1()' e $ hg resolve --mark e (no more unresolved files) continue: hg histedit --continue $ hg histedit --continue 2>&1 | fixbundle 7f3755409b00: skipping changeset (no changes) log after edit $ hg log --graph @ changeset: 5:b538bcb461be | tag: tip | user: test | date: Thu Jan 01 00:00:06 1970 +0000 | summary: f | o changeset: 4:317e37cb6d66 | user: test | date: Thu Jan 01 00:00:04 1970 +0000 | summary: d | o changeset: 3:092e4ce14829 | user: test | date: Thu Jan 01 00:00:03 1970 +0000 | summary: c | o changeset: 2:40ccdd8beb95 | user: test | date: Thu Jan 01 00:00:02 1970 +0000 | summary: b | o changeset: 1:cd997a145b29 | user: test | date: Thu Jan 01 00:00:01 1970 +0000 | summary: a | o changeset: 0:1715188a53c7 user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: Initial commit contents of e $ hg cat e I can haz no commute manifest $ hg manifest a b c d e f description is taken from rollup target commit $ hg log --debug --rev 4 changeset: 4:317e37cb6d66c1c84628c00e5bf4c8c292831951 phase: draft parent: 3:092e4ce14829f4974399ce4316d59f64ef0b6725 parent: -1:0000000000000000000000000000000000000000 manifest: 4:b068a323d969f22af1296ec6a5ea9384cef437ac user: test date: Thu Jan 01 00:00:04 1970 +0000 files: d e extra: branch=default extra: histedit_source=ae78f4c9d74ffa4b6cb5045001c303fe9204e890,42abbb61bede6f4366fa1e74a664343e5d558a70 description: d done with repo r2 $ cd ..