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histedit: demonstrate breakage when `update` to a revision breaks...
histedit: demonstrate breakage when `update` to a revision breaks I'm honestly impressed that nobody has hit this in the over a decade that histedit has existed, but here we are. Differential Revision: https://phab.mercurial-scm.org/D6881

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test-histedit-non-commute-abort.t
216 lines | 6.0 KiB | text/troff | Tads3Lexer
/ tests / test-histedit-non-commute-abort.t
$ . "$TESTDIR/histedit-helpers.sh"
$ cat >> $HGRCPATH <<EOF
> [extensions]
> histedit=
> EOF
$ initrepo ()
> {
> hg init r
> cd r
> for x in a b c d e f ; do
> echo $x > $x
> hg add $x
> hg ci -m $x
> done
> echo a >> e
> hg ci -m 'does not commute with e'
> cd ..
> }
$ initrepo
$ cd r
log before edit
$ hg log --graph
@ changeset: 6:bfa474341cc9
| tag: tip
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: does not commute with e
|
o changeset: 5:652413bf663e
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: f
|
o changeset: 4:e860deea161a
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: e
|
o changeset: 3:055a42cdd887
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: d
|
o changeset: 2:177f92b77385
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: c
|
o changeset: 1:d2ae7f538514
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: b
|
o changeset: 0:cb9a9f314b8b
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: a
edit the history
$ hg histedit 177f92b77385 --commands - 2>&1 <<EOF | fixbundle
> pick 177f92b77385 c
> pick 055a42cdd887 d
> pick bfa474341cc9 does not commute with e
> pick e860deea161a e
> pick 652413bf663e f
> EOF
merging e
warning: conflicts while merging e! (edit, then use 'hg resolve --mark')
Fix up the change (pick e860deea161a)
(hg histedit --continue to resume)
insert unsupported advisory merge record
$ hg --config extensions.fakemergerecord=$TESTDIR/fakemergerecord.py fakemergerecord -x
$ hg debugmergestate
* version 2 records
local: 8f7551c7e4a2f2efe0bc8c741baf7f227d65d758
other: e860deea161a2f77de56603b340ebbb4536308ae
labels:
local: local
other: histedit
unrecognized entry: x advisory record
file extras: e (ancestorlinknode = 0000000000000000000000000000000000000000)
file: e (record type "F", state "u", hash 58e6b3a414a1e090dfc6029add0f3555ccba127f)
local path: e (flags "")
ancestor path: e (node null)
other path: e (node 6b67ccefd5ce6de77e7ead4f5292843a0255329f)
$ hg resolve -l
U e
insert unsupported mandatory merge record
$ hg --config extensions.fakemergerecord=$TESTDIR/fakemergerecord.py fakemergerecord -X
$ hg debugmergestate
* version 2 records
local: 8f7551c7e4a2f2efe0bc8c741baf7f227d65d758
other: e860deea161a2f77de56603b340ebbb4536308ae
labels:
local: local
other: histedit
file extras: e (ancestorlinknode = 0000000000000000000000000000000000000000)
file: e (record type "F", state "u", hash 58e6b3a414a1e090dfc6029add0f3555ccba127f)
local path: e (flags "")
ancestor path: e (node null)
other path: e (node 6b67ccefd5ce6de77e7ead4f5292843a0255329f)
unrecognized entry: X mandatory record
$ hg resolve -l
abort: unsupported merge state records: X
(see https://mercurial-scm.org/wiki/MergeStateRecords for more information)
[255]
$ hg resolve -ma
abort: unsupported merge state records: X
(see https://mercurial-scm.org/wiki/MergeStateRecords for more information)
[255]
abort the edit (should clear out merge state)
$ hg histedit --abort 2>&1 | fixbundle
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg debugmergestate
no merge state found
log after abort
$ hg resolve -l
$ hg log --graph
@ changeset: 6:bfa474341cc9
| tag: tip
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: does not commute with e
|
o changeset: 5:652413bf663e
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: f
|
o changeset: 4:e860deea161a
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: e
|
o changeset: 3:055a42cdd887
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: d
|
o changeset: 2:177f92b77385
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: c
|
o changeset: 1:d2ae7f538514
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: b
|
o changeset: 0:cb9a9f314b8b
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: a
Early tree conflict doesn't leave histedit in a wedged state.
$ hg rm c
$ hg ci -m 'remove c'
$ echo collision > c
$ hg histedit e860deea161a --commands - 2>&1 <<EOF
> edit e860deea161a
> pick 652413bf663e
> pick bfa474341cc9
> pick 1b0954ff00fc
> EOF
c: untracked file differs
abort: untracked files in working directory differ from files in requested revision
[255]
BUG: we didn't actually change p1 of the working copy, but we're in a
histedit state. This confuses the process very badly and leads to
histedit stripping things it shouldn't (in obsmarker mode it inserts
bogus prune markers in this case.)
$ hg log -r 'p1()' -T'{node}\n'
1b0954ff00fccb15a37b679e4a35e9b01dfe685e
$ hg status --config ui.tweakdefaults=yes
? c
? e.orig
# The repository is in an unfinished *histedit* state.
# To continue: hg histedit --continue
# To abort: hg histedit --abort
$ hg histedit --continue
652413bf663e: skipping changeset (no changes)
bfa474341cc9: skipping changeset (no changes)
1b0954ff00fc: skipping changeset (no changes)
saved backup bundle to $TESTTMP/r/.hg/strip-backup/e860deea161a-a0738322-histedit.hg
$ hg log -GTcompact
warning: ignoring unknown working parent 1b0954ff00fc!
o 3[tip] 055a42cdd887 1970-01-01 00:00 +0000 test
| d
|
o 2 177f92b77385 1970-01-01 00:00 +0000 test
| c
|
o 1 d2ae7f538514 1970-01-01 00:00 +0000 test
| b
|
o 0 cb9a9f314b8b 1970-01-01 00:00 +0000 test
a
$ cd ..