evolve: make sure user can recover from conflict (issue6053)
we make sure while continuing interrupted evolve it reach to right code
This patch fix the issue6053 which is about falling evolve into unrecoverable
state and this is how it call fall into it:
If after some rewrite operations we reach to a point where resparent for
two content divergent csets is obsolete and we hit a conflict in
relocation, so now if you run `hg evolve --continue` after resolving
the conflict: code execution would check if wdir parent is obsolete
and run solveobswdp() rather than going to continueevolve() part
and there we will hit by a "abort: outstanding uncommitted merge"
And same for `--abort` or `--stop` flags.
Changes in tests reflect the fixed behaviour.
Tests for the --stop flag for `hg evolve` command while resolving content-divergence
==================================================================================
The `--stop` flag stops the interrupted evolution and delete the state file so
user can do other things and comeback and do evolution later on
This is testing cases when `hg evolve` command is doing content-divergence resolution.
Setup
=====
$ cat >> $HGRCPATH <<EOF
> [alias]
> glog = log -GT "{rev}:{node|short} {desc}\n ({bookmarks}) {phase}"
> [extensions]
> EOF
$ echo "evolve=$(echo $(dirname $TESTDIR))/hgext3rd/evolve/" >> $HGRCPATH
$ hg init stoprepo
$ cd stoprepo
$ echo ".*\.orig" > .hgignore
$ hg add .hgignore
$ hg ci -m "added hgignore"
$ for ch in a b c d; do echo foo > $ch; hg add $ch; hg ci -qm "added "$ch; done;
$ hg glog
@ 4:c41c793e0ef1 added d
| () draft
o 3:ca1b80f7960a added c
| () draft
o 2:b1661037fa25 added b
| () draft
o 1:c7586e2a9264 added a
| () draft
o 0:8fa14d15e168 added hgignore
() draft
Creating content divergence, resolution of which will lead to conflicts
-----------------------------------------------------------------------
$ echo bar > d
$ hg amend
$ hg up c41c793e0ef1 --hidden
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
updated to hidden changeset c41c793e0ef1
(hidden revision 'c41c793e0ef1' was rewritten as: e49523854bc8)
working directory parent is obsolete! (c41c793e0ef1)
(use 'hg evolve' to update to its successor: e49523854bc8)
$ echo foobar > d
$ hg amend
2 new content-divergent changesets
$ hg glog --hidden
@ 6:9c1631e352d9 added d
| () draft
| * 5:e49523854bc8 added d
|/ () draft
| x 4:c41c793e0ef1 added d
|/ () draft
o 3:ca1b80f7960a added c
| () draft
o 2:b1661037fa25 added b
| () draft
o 1:c7586e2a9264 added a
| () draft
o 0:8fa14d15e168 added hgignore
() draft
$ hg evolve --content-divergent
merge:[6] added d
with: [5] added d
base: [4] added d
merging "other" content-divergent changeset 'e49523854bc8'
merging d
warning: conflicts while merging d! (edit, then use 'hg resolve --mark')
0 files updated, 0 files merged, 0 files removed, 1 files unresolved
fix conflicts and see `hg help evolve.interrupted`
[1]
$ hg evolve --stop
stopped the interrupted evolve
working directory is now at 9c1631e352d9
$ hg glog --hidden
@ 6:9c1631e352d9 added d
| () draft
| * 5:e49523854bc8 added d
|/ () draft
| x 4:c41c793e0ef1 added d
|/ () draft
o 3:ca1b80f7960a added c
| () draft
o 2:b1661037fa25 added b
| () draft
o 1:c7586e2a9264 added a
| () draft
o 0:8fa14d15e168 added hgignore
() draft
Content divergence with parent change which will result in conflicts while
merging
---------------------------------------------------------------------------
$ hg rebase -r . -d .^^^ --config extensions.rebase=
rebasing 6:9c1631e352d9 "added d" (tip)
$ hg glog
@ 7:517d4375cb72 added d
| () draft
| * 5:e49523854bc8 added d
| | () draft
| o 3:ca1b80f7960a added c
| | () draft
| o 2:b1661037fa25 added b
|/ () draft
o 1:c7586e2a9264 added a
| () draft
o 0:8fa14d15e168 added hgignore
() draft
$ hg evolve --content-divergent
merge:[5] added d
with: [7] added d
base: [4] added d
rebasing "other" content-divergent changeset 517d4375cb72 on ca1b80f7960a
updating to "local" side of the conflict: e49523854bc8
merging "other" content-divergent changeset '606ad96040fc'
merging d
warning: conflicts while merging d! (edit, then use 'hg resolve --mark')
0 files updated, 0 files merged, 0 files removed, 1 files unresolved
fix conflicts and see `hg help evolve.interrupted`
[1]
$ hg evolve --stop
stopped the interrupted evolve
working directory is now at 517d4375cb72
$ hg glog
@ 7:517d4375cb72 added d
| () draft
| * 5:e49523854bc8 added d
| | () draft
| o 3:ca1b80f7960a added c
| | () draft
| o 2:b1661037fa25 added b
|/ () draft
o 1:c7586e2a9264 added a
| () draft
o 0:8fa14d15e168 added hgignore
() draft
Content-divergence with parent-change which will result in conflicts while
relocation
---------------------------------------------------------------------------
$ echo babar > c
$ hg add c
$ hg amend
$ hg glog
@ 8:8fd1c4bd144c added d
| () draft
| * 5:e49523854bc8 added d
| | () draft
| o 3:ca1b80f7960a added c
| | () draft
| o 2:b1661037fa25 added b
|/ () draft
o 1:c7586e2a9264 added a
| () draft
o 0:8fa14d15e168 added hgignore
() draft
$ hg evolve --content-divergent
merge:[5] added d
with: [8] added d
base: [4] added d
rebasing "other" content-divergent changeset 8fd1c4bd144c on ca1b80f7960a
merging c
warning: conflicts while merging c! (edit, then use 'hg resolve --mark')
fix conflicts and see `hg help evolve.interrupted`
[1]
$ hg diff
diff -r ca1b80f7960a c
--- a/c Thu Jan 01 00:00:00 1970 +0000
+++ b/c Thu Jan 01 00:00:00 1970 +0000
@@ -1,1 +1,5 @@
+<<<<<<< destination: ca1b80f7960a - test: added c
foo
+=======
+babar
+>>>>>>> evolving: 8fd1c4bd144c - test: added d
diff -r ca1b80f7960a d
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/d Thu Jan 01 00:00:00 1970 +0000
@@ -0,0 +1,1 @@
+foobar
$ hg evolve --stop
stopped the interrupted evolve
working directory is now at ca1b80f7960a
XXX: we should have preserved the wdir to be at rev 8
$ hg glog
* 8:8fd1c4bd144c added d
| () draft
| * 5:e49523854bc8 added d
| | () draft
| @ 3:ca1b80f7960a added c
| | () draft
| o 2:b1661037fa25 added b
|/ () draft
o 1:c7586e2a9264 added a
| () draft
o 0:8fa14d15e168 added hgignore
() draft