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Criss cross merging
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$ hg init criss-cross
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$ cd criss-cross
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$ echo '0 base' > f1
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$ echo '0 base' > f2
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$ hg ci -Aqm '0 base'
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$ echo '1 first change' > f1
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$ hg ci -m '1 first change f1'
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$ hg up -qr0
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$ echo '2 first change' > f2
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$ hg ci -qm '2 first change f2'
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$ hg merge -qr 1
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$ hg ci -m '3 merge'
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$ hg up -qr2
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$ hg merge -qr1
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$ hg ci -qm '4 merge'
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$ echo '5 second change' > f1
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$ hg ci -m '5 second change f1'
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$ hg up -r3
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note: using 0f6b37dbe527 as ancestor of adfe50279922 and cf89f02107e5
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alternatively, use --config merge.preferancestor=40663881a6dd
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1 files updated, 0 files merged, 0 files removed, 0 files unresolved
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$ echo '6 second change' > f2
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$ hg ci -m '6 second change f2'
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$ hg log -G
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@ changeset: 6:3b08d01b0ab5
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| tag: tip
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| parent: 3:cf89f02107e5
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| user: test
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| date: Thu Jan 01 00:00:00 1970 +0000
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| summary: 6 second change f2
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| o changeset: 5:adfe50279922
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| | user: test
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| | date: Thu Jan 01 00:00:00 1970 +0000
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| | summary: 5 second change f1
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| |
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| o changeset: 4:7d3e55501ae6
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| |\ parent: 2:40663881a6dd
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| | | parent: 1:0f6b37dbe527
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| | | user: test
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| | | date: Thu Jan 01 00:00:00 1970 +0000
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| | | summary: 4 merge
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| | |
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o---+ changeset: 3:cf89f02107e5
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| | | parent: 2:40663881a6dd
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|/ / parent: 1:0f6b37dbe527
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| | user: test
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| | date: Thu Jan 01 00:00:00 1970 +0000
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| | summary: 3 merge
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| |
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| o changeset: 2:40663881a6dd
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| | parent: 0:40494bf2444c
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| | user: test
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| | date: Thu Jan 01 00:00:00 1970 +0000
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| | summary: 2 first change f2
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o | changeset: 1:0f6b37dbe527
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|/ user: test
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| date: Thu Jan 01 00:00:00 1970 +0000
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| summary: 1 first change f1
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o changeset: 0:40494bf2444c
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user: test
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date: Thu Jan 01 00:00:00 1970 +0000
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summary: 0 base
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$ hg merge -v --debug --tool internal:dump 5
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note: using 0f6b37dbe527 as ancestor of 3b08d01b0ab5 and adfe50279922
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alternatively, use --config merge.preferancestor=40663881a6dd
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searching for copies back to rev 3
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resolving manifests
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branchmerge: True, force: False, partial: False
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ancestor: 0f6b37dbe527, local: 3b08d01b0ab5+, remote: adfe50279922
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f1: remote is newer -> g
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f2: versions differ -> m
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preserving f2 for resolve of f2
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getting f1
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updating: f1 1/2 files (50.00%)
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updating: f2 2/2 files (100.00%)
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picked tool 'internal:dump' for f2 (binary False symlink False)
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merging f2
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my f2@3b08d01b0ab5+ other f2@adfe50279922 ancestor f2@40494bf2444c
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1 files updated, 0 files merged, 0 files removed, 1 files unresolved
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use 'hg resolve' to retry unresolved file merges or 'hg update -C .' to abandon
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[1]
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$ head *
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==> f1 <==
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5 second change
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==> f2 <==
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6 second change
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==> f2.base <==
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0 base
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==> f2.local <==
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6 second change
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==> f2.orig <==
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6 second change
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==> f2.other <==
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2 first change
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$ hg up -qC .
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$ hg merge -v --tool internal:dump 5 --config merge.preferancestor="null 40663881 3b08d"
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note: using 40663881a6dd as ancestor of 3b08d01b0ab5 and adfe50279922
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alternatively, use --config merge.preferancestor=0f6b37dbe527
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resolving manifests
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merging f1
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0 files updated, 0 files merged, 0 files removed, 1 files unresolved
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use 'hg resolve' to retry unresolved file merges or 'hg update -C .' to abandon
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[1]
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$ cd ..
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