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3e592b81ae
Summary: When you get an error, let's print the number of conflicts in each file. This will give the user some sense of how much work they have to do. The code change is entirely in `filemerge.py`, and `tests/test-merge-conflict-count.t` adds a new test. Reviewed By: quark-zju Differential Revision: D9815243 fbshipit-source-id: 1b73a1db293902ac7242997a7d6ae09478344068
422 lines
8.7 KiB
Perl
422 lines
8.7 KiB
Perl
Set up test environment.
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$ cat >> $HGRCPATH << EOF
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> [extensions]
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> amend=
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> rebase=
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> [experimental]
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> evolution = createmarkers, allowunstable
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> EOF
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$ mkcommit() {
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> echo "$1" > "$1"
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> hg add "$1"
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> echo "add $1" > msg
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> hg ci -l msg
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> }
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$ reset() {
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> cd ..
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> rm -rf nextrebase
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> hg init nextrebase
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> cd nextrebase
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> }
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$ showgraph() {
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> hg log --graph -T "{rev} {desc|firstline}"
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> }
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$ hg init nextrebase && cd nextrebase
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Cannot --rebase and --merge.
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$ hg next --rebase --merge
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abort: cannot use both --merge and --rebase
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[255]
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Rebasing single changeset.
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$ hg debugbuilddag -n +4
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$ hg up 1
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2 files updated, 0 files merged, 0 files removed, 0 files unresolved
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$ hg amend -m "amended" --no-rebase
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hint[amend-restack]: descendants of e8ec16b776b6 are left behind - use 'hg restack' to rebase them
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hint[hint-ack]: use 'hg hint --ack amend-restack' to silence these hints
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$ hg next
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abort: current changeset has no children
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[255]
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$ hg next --rebase
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rebasing 2:776c07fa2b12 "r2"
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1 files updated, 0 files merged, 0 files removed, 0 files unresolved
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[fe8ffc] r2
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$ showgraph
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@ 5 r2
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o 4 amended
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| o 3 r3
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| x 2 r2
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| x 1 r1
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|/
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o 0 r0
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Test --clean flag.
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$ touch foo
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$ hg add foo
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$ hg status
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A foo
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$ hg next --rebase
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abort: uncommitted changes
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(use --clean to discard uncommitted changes or --merge to bring them along)
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[255]
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$ hg next --rebase --clean
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0 files updated, 0 files merged, 0 files removed, 0 files unresolved
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rebasing 3:137d867d71d5 "r3"
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1 files updated, 0 files merged, 0 files removed, 0 files unresolved
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[7d603c] r3
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$ hg status
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? foo
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$ showgraph
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@ 6 r3
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o 5 r2
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o 4 amended
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o 0 r0
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Rebasing multiple changesets at once.
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$ reset
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$ hg debugbuilddag -n +5
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$ hg up 1
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2 files updated, 0 files merged, 0 files removed, 0 files unresolved
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$ hg amend -m "amended" --no-rebase
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hint[amend-restack]: descendants of e8ec16b776b6 are left behind - use 'hg restack' to rebase them
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hint[hint-ack]: use 'hg hint --ack amend-restack' to silence these hints
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$ hg next --rebase --top
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rebasing 2:776c07fa2b12 "r2"
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rebasing 3:137d867d71d5 "r3"
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rebasing 4:daa37004f338 "r4"
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3 files updated, 0 files merged, 0 files removed, 0 files unresolved
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[55b98e] r4
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$ showgraph
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@ 8 r4
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o 7 r3
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o 6 r2
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o 5 amended
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o 0 r0
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Rebasing a stack one changeset at a time.
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$ reset
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$ hg debugbuilddag -n +5
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$ hg up 1
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2 files updated, 0 files merged, 0 files removed, 0 files unresolved
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$ hg amend -m "amended" --no-rebase
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hint[amend-restack]: descendants of e8ec16b776b6 are left behind - use 'hg restack' to rebase them
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hint[hint-ack]: use 'hg hint --ack amend-restack' to silence these hints
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$ hg next --rebase
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rebasing 2:776c07fa2b12 "r2"
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1 files updated, 0 files merged, 0 files removed, 0 files unresolved
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[fe8ffc] r2
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$ hg next --rebase
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rebasing 3:137d867d71d5 "r3"
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1 files updated, 0 files merged, 0 files removed, 0 files unresolved
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[7d603c] r3
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$ showgraph
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@ 7 r3
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o 6 r2
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o 5 amended
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| o 4 r4
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| x 3 r3
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| x 2 r2
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| x 1 r1
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|/
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o 0 r0
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$ hg next --rebase
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rebasing 4:daa37004f338 "r4"
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1 files updated, 0 files merged, 0 files removed, 0 files unresolved
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[55b98e] r4
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$ showgraph
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@ 8 r4
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o 7 r3
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o 6 r2
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o 5 amended
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o 0 r0
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Rebasing a stack two changesets at a time.
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$ reset
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$ hg debugbuilddag -n +6
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$ hg up 1
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2 files updated, 0 files merged, 0 files removed, 0 files unresolved
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$ hg amend -m "amended" --no-rebase
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hint[amend-restack]: descendants of e8ec16b776b6 are left behind - use 'hg restack' to rebase them
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hint[hint-ack]: use 'hg hint --ack amend-restack' to silence these hints
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$ hg next --rebase 2
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rebasing 2:776c07fa2b12 "r2"
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rebasing 3:137d867d71d5 "r3"
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2 files updated, 0 files merged, 0 files removed, 0 files unresolved
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[7d603c] r3
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$ showgraph
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@ 8 r3
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o 7 r2
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o 6 amended
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| o 5 r5
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| o 4 r4
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| x 3 r3
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| x 2 r2
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| x 1 r1
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|/
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o 0 r0
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$ hg next --rebase 2
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rebasing 4:daa37004f338 "r4"
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rebasing 5:5f333e6f7274 "r5"
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2 files updated, 0 files merged, 0 files removed, 0 files unresolved
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[c01a35] r5
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$ showgraph
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@ 10 r5
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o 9 r4
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o 8 r3
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o 7 r2
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o 6 amended
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o 0 r0
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Rebasing after multiple amends.
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$ reset
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$ hg debugbuilddag -n +5
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$ hg up 1
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2 files updated, 0 files merged, 0 files removed, 0 files unresolved
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$ hg amend -m "amend 1" --no-rebase
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hint[amend-restack]: descendants of e8ec16b776b6 are left behind - use 'hg restack' to rebase them
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hint[hint-ack]: use 'hg hint --ack amend-restack' to silence these hints
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$ hg amend -m "amend 2"
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$ hg amend -m "amend 3"
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$ showgraph
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@ 7 amend 3
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| o 4 r4
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| o 3 r3
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| o 2 r2
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| x 1 r1
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|/
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o 0 r0
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$ hg next --rebase --top
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rebasing 2:776c07fa2b12 "r2"
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rebasing 3:137d867d71d5 "r3"
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rebasing 4:daa37004f338 "r4"
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3 files updated, 0 files merged, 0 files removed, 0 files unresolved
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[66772e] r4
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$ showgraph
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@ 10 r4
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o 9 r3
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o 8 r2
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o 7 amend 3
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o 0 r0
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Rebasing from below the amended changeset with the --newest flag.
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$ reset
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$ hg debugbuilddag -n +6
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$ hg up 2
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3 files updated, 0 files merged, 0 files removed, 0 files unresolved
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$ hg amend -m "amended" --no-rebase
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hint[amend-restack]: descendants of 776c07fa2b12 are left behind - use 'hg restack' to rebase them
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hint[hint-ack]: use 'hg hint --ack amend-restack' to silence these hints
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$ hg up 0
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0 files updated, 0 files merged, 2 files removed, 0 files unresolved
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$ showgraph
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o 6 amended
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| o 5 r5
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| o 4 r4
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| o 3 r3
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| x 2 r2
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|/
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o 1 r1
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@ 0 r0
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$ hg next --rebase --top --newest
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rebasing 3:137d867d71d5 "r3"
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rebasing 4:daa37004f338 "r4"
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rebasing 5:5f333e6f7274 "r5"
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5 files updated, 0 files merged, 0 files removed, 0 files unresolved
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[bd05f8] r5
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$ showgraph
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@ 9 r5
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o 8 r4
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o 7 r3
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o 6 amended
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o 1 r1
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o 0 r0
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Test aborting due to ambiguity caused by a rebase. The rebase should be
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rolled back and the final state should be as it was before `hg next --rebase`.
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$ reset
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$ hg debugbuilddag -n +6
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$ hg up 1
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2 files updated, 0 files merged, 0 files removed, 0 files unresolved
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$ hg amend -m "amended" --no-rebase
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hint[amend-restack]: descendants of e8ec16b776b6 are left behind - use 'hg restack' to rebase them
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hint[hint-ack]: use 'hg hint --ack amend-restack' to silence these hints
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$ mkcommit a
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$ hg prev
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0 files updated, 0 files merged, 1 files removed, 0 files unresolved
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[dc00ac] amended
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$ showgraph
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o 7 add a
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@ 6 amended
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| o 5 r5
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| o 4 r4
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| o 3 r3
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| o 2 r2
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| x 1 r1
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|/
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o 0 r0
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$ hg next --rebase
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rebasing 2:776c07fa2b12 "r2"
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changeset dc00accb61d3 has multiple children, namely:
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[fe8ffc] r2
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[4e13d3] add a
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transaction abort!
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rollback completed
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abort: ambiguous next changeset
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(use the --newest or --towards flags to specify which child to pick)
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[255]
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$ showgraph
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o 7 add a
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@ 6 amended
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| o 5 r5
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| o 4 r4
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| o 3 r3
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| o 2 r2
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| x 1 r1
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|/
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o 0 r0
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Test a situation where there is a conflict.
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$ reset
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$ mkcommit a
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$ mkcommit b
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$ mkcommit c
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$ mkcommit d
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$ hg up 1
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0 files updated, 0 files merged, 2 files removed, 0 files unresolved
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$ echo "conflict" > c
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$ hg add c
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$ hg amend -m "amended to add c" --no-rebase
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hint[amend-restack]: descendants of 7c3bad9141dc are left behind - use 'hg restack' to rebase them
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hint[hint-ack]: use 'hg hint --ack amend-restack' to silence these hints
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$ showgraph
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@ 4 amended to add c
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| o 3 add d
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| o 2 add c
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| x 1 add b
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|/
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o 0 add a
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$ hg next --rebase --top
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rebasing 2:4538525df7e2 "add c"
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merging c
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warning: 1 conflicts while merging c! (edit, then use 'hg resolve --mark')
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unresolved conflicts (see hg resolve, then hg rebase --continue)
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[1]
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$ showgraph
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@ 4 amended to add c
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| o 3 add d
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| @ 2 add c
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| x 1 add b
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|/
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o 0 add a
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In this mid-rebase state, we can't use `hg previous` or `hg next`:
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$ hg previous
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abort: rebase in progress
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(use 'hg rebase --continue' or 'hg rebase --abort')
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[255]
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Now resolve the conflict and resume the rebase.
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$ rm c
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$ echo "resolved" > c
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$ hg resolve --mark c
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(no more unresolved files)
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continue: hg rebase --continue
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$ hg rebase --continue
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rebasing 2:4538525df7e2 "add c"
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$ showgraph
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o 5 add c
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@ 4 amended to add c
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| o 3 add d
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| x 2 add c
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| x 1 add b
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|/
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o 0 add a
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