Criss cross merging
$ hg init criss-cross
$ cd criss-cross
$ echo '0 base' > f1
$ echo '0 base' > f2
$ hg ci -Aqm '0 base'
$ echo '1 first change' > f1
$ hg ci -m '1 first change f1'
$ hg up -qr0
$ echo '2 first change' > f2
$ mkdir d1
$ echo '0 base' > d1/f3
$ echo '0 base' > d1/f4
$ hg add -q d1
$ hg ci -qm '2 first change f2'
$ hg merge -qr 1
$ hg rm d1/f3
$ hg mv -q d1 d2
$ hg ci -m '3 merge'
$ hg up -qr2
$ hg merge -qr1
$ hg ci -qm '4 merge'
$ echo '5 second change' > f1
$ hg ci -m '5 second change f1'
$ hg up -r3
2 files updated, 0 files merged, 2 files removed, 0 files unresolved
$ echo '6 second change' > f2
$ hg ci -m '6 second change f2'
$ hg log -G
@ changeset: 6:6373bbfdae1d
| tag: tip
| parent: 3:c202c8af058d
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: 6 second change f2
|
| o changeset: 5:e673248094b1
| | user: test
| | date: Thu Jan 01 00:00:00 1970 +0000
| | summary: 5 second change f1
| |
| o changeset: 4:177f58377c06
| |\ parent: 2:d1d156401c1b
| | | parent: 1:0f6b37dbe527
| | | user: test
| | | date: Thu Jan 01 00:00:00 1970 +0000
| | | summary: 4 merge
| | |
o---+ changeset: 3:c202c8af058d
| | | parent: 2:d1d156401c1b
|/ / parent: 1:0f6b37dbe527
| | user: test
| | date: Thu Jan 01 00:00:00 1970 +0000
| | summary: 3 merge
| |
| o changeset: 2:d1d156401c1b
| | parent: 0:40494bf2444c
| | user: test
| | date: Thu Jan 01 00:00:00 1970 +0000
| | summary: 2 first change f2
| |
o | changeset: 1:0f6b37dbe527
|/ user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: 1 first change f1
|
o changeset: 0:40494bf2444c
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: 0 base
$ hg merge -v --debug --tool internal:dump 5 --config merge.preferancestor='!'
note: using 0f6b37dbe527 as ancestor of 6373bbfdae1d and e673248094b1
alternatively, use --config merge.preferancestor=d1d156401c1b
searching for copies back to rev 3
unmatched files in local:
d2/f4
unmatched files in other:
d1/f3
d1/f4
all copies found (* = to merge, ! = divergent, % = renamed and deleted):
src: 'd1/f4' -> dst: 'd2/f4'
checking for directory renames
discovered dir src: 'd1/' -> dst: 'd2/'
pending file src: 'd1/f3' -> dst: 'd2/f3'
pending file src: 'd1/f4' -> dst: 'd2/f4'
resolving manifests
branchmerge: True, force: False, partial: False
ancestor: 0f6b37dbe527, local: 6373bbfdae1d+, remote: e673248094b1
preserving d2/f4 for resolve of d2/f4
preserving f2 for resolve of f2
f1: remote is newer -> g
getting f1
d2/f3: local directory rename - get from d1/f3 -> dg
getting d1/f3 to d2/f3
d2/f4: local directory rename, both created -> m (premerge)
f2: versions differ -> m (premerge)
picked tool ':dump' for f2 (binary False symlink False changedelete False)
merging f2
my f2@6373bbfdae1d+ other f2@e673248094b1 ancestor f2@0f6b37dbe527
f2: versions differ -> m (merge)
picked tool ':dump' for f2 (binary False symlink False changedelete False)
my f2@6373bbfdae1d+ other f2@e673248094b1 ancestor f2@0f6b37dbe527
3 files updated, 0 files merged, 0 files removed, 1 files unresolved
use 'hg resolve' to retry unresolved file merges or 'hg update -C .' to abandon
[1]
$ f --dump --recurse *
d2: directory with 2 files
d2/f3: (glob)
>>>
0 base
<<<
d2/f4: (glob)
>>>
0 base
<<<
f1:
>>>
5 second change
<<<
f2:
>>>
6 second change
<<<
f2.base:
>>>
0 base
<<<
f2.local:
>>>
6 second change
<<<
f2.orig:
>>>
6 second change
<<<
f2.other:
>>>
2 first change
<<<
$ hg up -qC .
$ hg merge -v --tool internal:dump 5 --config merge.preferancestor="null 40663881 3b08d"
note: using 0f6b37dbe527 as ancestor of 6373bbfdae1d and e673248094b1
alternatively, use --config merge.preferancestor=d1d156401c1b
resolving manifests
getting f1
getting d1/f3 to d2/f3
merging f2
3 files updated, 0 files merged, 0 files removed, 1 files unresolved
use 'hg resolve' to retry unresolved file merges or 'hg update -C .' to abandon
[1]
Redo merge with merge.preferancestor="*" to enable bid merge
$ rm f*
$ hg up -qC .
$ hg merge -v --debug --tool internal:dump 5 --config merge.preferancestor="*"
note: merging 6373bbfdae1d+ and e673248094b1 using bids from ancestors 0f6b37dbe527 and d1d156401c1b
calculating bids for ancestor 0f6b37dbe527
searching for copies back to rev 3
unmatched files in local:
d2/f4
unmatched files in other:
d1/f3
d1/f4
all copies found (* = to merge, ! = divergent, % = renamed and deleted):
src: 'd1/f4' -> dst: 'd2/f4'
checking for directory renames
discovered dir src: 'd1/' -> dst: 'd2/'
pending file src: 'd1/f3' -> dst: 'd2/f3'
pending file src: 'd1/f4' -> dst: 'd2/f4'
resolving manifests
branchmerge: True, force: False, partial: False
ancestor: 0f6b37dbe527, local: 6373bbfdae1d+, remote: e673248094b1
d2/f3: local directory rename - get from d1/f3 -> dg
d2/f4: local directory rename, both created -> m
f1: remote is newer -> g
f2: versions differ -> m
calculating bids for ancestor d1d156401c1b
searching for copies back to rev 3
unmatched files in local:
d2/f4
all copies found (* = to merge, ! = divergent, % = renamed and deleted):
src: 'd1/f4' -> dst: 'd2/f4'
checking for directory renames
discovered dir src: 'd1/' -> dst: 'd2/'
resolving manifests
branchmerge: True, force: False, partial: False
ancestor: d1d156401c1b, local: 6373bbfdae1d+, remote: e673248094b1
f1: versions differ -> m
f2: remote unchanged -> k
auction for merging merge bids
d2/f3: consensus for dg
d2/f4: consensus for m
f1: picking 'get' action
f2: picking 'keep' action
end of auction
preserving d2/f4 for resolve of d2/f4
f1: remote is newer -> g
getting f1
f2: remote unchanged -> k
d2/f3: local directory rename - get from d1/f3 -> dg
getting d1/f3 to d2/f3
d2/f4: local directory rename, both created -> m (premerge)
3 files updated, 0 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
$ f --dump --recurse *
d2: directory with 2 files
d2/f3: (glob)
>>>
0 base
<<<
d2/f4: (glob)
>>>
0 base
<<<
f1:
>>>
5 second change
<<<
f2:
>>>
6 second change
<<<
The other way around:
$ hg up -C -r5
4 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ hg merge -v --debug --config merge.preferancestor="*"
note: merging e673248094b1+ and 6373bbfdae1d using bids from ancestors 0f6b37dbe527 and d1d156401c1b
calculating bids for ancestor 0f6b37dbe527
searching for copies back to rev 3
unmatched files in local:
d1/f3
d1/f4
unmatched files in other:
d2/f4
all copies found (* = to merge, ! = divergent, % = renamed and deleted):
src: 'd1/f4' -> dst: 'd2/f4'
checking for directory renames
discovered dir src: 'd1/' -> dst: 'd2/'
pending file src: 'd1/f3' -> dst: 'd2/f3'
pending file src: 'd1/f4' -> dst: 'd2/f4'
resolving manifests
branchmerge: True, force: False, partial: False
ancestor: 0f6b37dbe527, local: e673248094b1+, remote: 6373bbfdae1d
d2/f3: remote directory rename - move from d1/f3 -> dm
d2/f4: remote directory rename, both created -> m
f1: remote unchanged -> k
f2: versions differ -> m
calculating bids for ancestor d1d156401c1b
searching for copies back to rev 3
unmatched files in other:
d2/f4
all copies found (* = to merge, ! = divergent, % = renamed and deleted):
src: 'd1/f4' -> dst: 'd2/f4'
checking for directory renames
discovered dir src: 'd1/' -> dst: 'd2/'
resolving manifests
branchmerge: True, force: False, partial: False
ancestor: d1d156401c1b, local: e673248094b1+, remote: 6373bbfdae1d
d1/f3: other deleted -> r
d1/f4: other deleted -> r
d2/f4: remote created -> g
f1: versions differ -> m
f2: remote is newer -> g
auction for merging merge bids
d1/f3: consensus for r
d1/f4: consensus for r
d2/f3: consensus for dm
d2/f4: picking 'get' action
f1: picking 'keep' action
f2: picking 'get' action
end of auction
d1/f3: other deleted -> r
removing d1/f3
d1/f4: other deleted -> r
removing d1/f4
d2/f4: remote created -> g
getting d2/f4
f2: remote is newer -> g
getting f2
f1: remote unchanged -> k
2 files updated, 0 files merged, 2 files removed, 0 files unresolved
(branch merge, don't forget to commit)
$ f --dump --recurse *
d2: directory with 2 files
d2/f3: (glob)
>>>
0 base
<<<
d2/f4: (glob)
>>>
0 base
<<<
f1:
>>>
5 second change
<<<
f2:
>>>
6 second change
<<<
Verify how the output looks and and how verbose it is:
$ hg up -qC
$ hg merge
2 files updated, 0 files merged, 2 files removed, 0 files unresolved
(branch merge, don't forget to commit)
$ hg up -qC tip
$ hg merge -v
note: merging 6373bbfdae1d+ and e673248094b1 using bids from ancestors 0f6b37dbe527 and d1d156401c1b
calculating bids for ancestor 0f6b37dbe527
resolving manifests
calculating bids for ancestor d1d156401c1b
resolving manifests
auction for merging merge bids
d2/f3: consensus for dg
d2/f4: consensus for m
f1: picking 'get' action
f2: picking 'keep' action
end of auction
getting f1
getting d1/f3 to d2/f3
3 files updated, 0 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
$ hg up -qC
$ hg merge -v --debug --config merge.preferancestor="*"
note: merging 6373bbfdae1d+ and e673248094b1 using bids from ancestors 0f6b37dbe527 and d1d156401c1b
calculating bids for ancestor 0f6b37dbe527
searching for copies back to rev 3
unmatched files in local:
d2/f4
unmatched files in other:
d1/f3
d1/f4
all copies found (* = to merge, ! = divergent, % = renamed and deleted):
src: 'd1/f4' -> dst: 'd2/f4'
checking for directory renames
discovered dir src: 'd1/' -> dst: 'd2/'
pending file src: 'd1/f3' -> dst: 'd2/f3'
pending file src: 'd1/f4' -> dst: 'd2/f4'
resolving manifests
branchmerge: True, force: False, partial: False
ancestor: 0f6b37dbe527, local: 6373bbfdae1d+, remote: e673248094b1
d2/f3: local directory rename - get from d1/f3 -> dg
d2/f4: local directory rename, both created -> m
f1: remote is newer -> g
f2: versions differ -> m
calculating bids for ancestor d1d156401c1b
searching for copies back to rev 3
unmatched files in local:
d2/f4
all copies found (* = to merge, ! = divergent, % = renamed and deleted):
src: 'd1/f4' -> dst: 'd2/f4'
checking for directory renames
discovered dir src: 'd1/' -> dst: 'd2/'
resolving manifests
branchmerge: True, force: False, partial: False
ancestor: d1d156401c1b, local: 6373bbfdae1d+, remote: e673248094b1
f1: versions differ -> m
f2: remote unchanged -> k
auction for merging merge bids
d2/f3: consensus for dg
d2/f4: consensus for m
f1: picking 'get' action
f2: picking 'keep' action
end of auction
preserving d2/f4 for resolve of d2/f4
f1: remote is newer -> g
getting f1
f2: remote unchanged -> k
d2/f3: local directory rename - get from d1/f3 -> dg
getting d1/f3 to d2/f3
d2/f4: local directory rename, both created -> m (premerge)
3 files updated, 0 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
$ cd ..
http://stackoverflow.com/questions/9350005/how-do-i-specify-a-merge-base-to-use-in-a-hg-merge/9430810
$ hg init ancestor-merging
$ cd ancestor-merging
$ echo a > x
$ hg commit -A -m a x
$ hg update -q 0
$ echo b >> x
$ hg commit -m b
$ hg update -q 0
$ echo c >> x
$ hg commit -qm c
$ hg update -q 1
$ hg merge -q --tool internal:local 2
$ echo c >> x
$ hg commit -m bc
$ hg update -q 2
$ hg merge -q --tool internal:local 1
$ echo b >> x
$ hg commit -qm cb
$ hg merge --config merge.preferancestor='!'
note: using 70008a2163f6 as ancestor of 0d355fdef312 and 4b8b546a3eef
alternatively, use --config merge.preferancestor=b211bbc6eb3c
merging x
0 files updated, 1 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
$ cat x
a
c
b
c
$ hg up -qC .
$ hg merge --config merge.preferancestor=b211bbc6eb3c
note: using b211bbc6eb3c as ancestor of 0d355fdef312 and 4b8b546a3eef
alternatively, use --config merge.preferancestor=70008a2163f6
merging x
0 files updated, 1 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
$ cat x
a
b
c
b
$ hg up -qC .
$ hg merge -v --config merge.preferancestor="*"
note: merging 0d355fdef312+ and 4b8b546a3eef using bids from ancestors 70008a2163f6 and b211bbc6eb3c
calculating bids for ancestor 70008a2163f6
resolving manifests
calculating bids for ancestor b211bbc6eb3c
resolving manifests
auction for merging merge bids
x: multiple bids for merge action:
versions differ -> m
versions differ -> m
x: ambiguous merge - picked m action
end of auction
merging x
0 files updated, 1 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
$ cat x
a
c
b
c
Verify that the old context ancestor works with / despite preferancestor:
$ hg log -r 'ancestor(head())' --config merge.preferancestor=1 -T '{rev}\n'
1
$ hg log -r 'ancestor(head())' --config merge.preferancestor=2 -T '{rev}\n'
2
$ hg log -r 'ancestor(head())' --config merge.preferancestor=3 -T '{rev}\n'
1
$ hg log -r 'ancestor(head())' --config merge.preferancestor='1337 * - 2' -T '{rev}\n'
2
$ cd ..