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add basic tests for merge-tree
merge-tree had no test cases, so here we add some very basic tests for it, including some known-breakages. [jc: with obvious/trivial fixups] Signed-off-by: Will Palmer <[email protected]> Signed-off-by: Junio C Hamano <[email protected]>
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‎t/t4300-merge-tree.sh

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#!/bin/sh
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#
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# Copyright (c) 2010 Will Palmer
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#
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test_description='git merge-tree'
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. ./test-lib.sh
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test_expect_success setup '
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test_commit "initial" "initial-file" "initial"
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'
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test_expect_success 'file add A, !B' '
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cat >expected <<\EXPECTED &&
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added in remote
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their 100644 43d5a8ed6ef6c00ff775008633f95787d088285d ONE
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@@ -0,0 +1 @@
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+AAA
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EXPECTED
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git reset --hard initial &&
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test_commit "add-a-not-b" "ONE" "AAA" &&
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git merge-tree initial initial add-a-not-b >actual &&
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test_cmp expected actual
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'
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test_expect_failure 'file add !A, B' '
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cat >expected <<\EXPECTED &&
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added in local
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our 100644 43d5a8ed6ef6c00ff775008633f95787d088285d ONE
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EXPECTED
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git reset --hard initial &&
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test_commit "add-not-a-b" "ONE" "AAA" &&
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git merge-tree initial add-not-a-b initial >actual &&
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test_cmp expected actual
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'
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test_expect_success 'file add A, B (same)' '
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cat >expected <<\EXPECTED &&
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added in both
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our 100644 43d5a8ed6ef6c00ff775008633f95787d088285d ONE
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their 100644 43d5a8ed6ef6c00ff775008633f95787d088285d ONE
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EXPECTED
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git reset --hard initial &&
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test_commit "add-a-b-same-A" "ONE" "AAA" &&
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git reset --hard initial &&
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test_commit "add-a-b-same-B" "ONE" "AAA" &&
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git merge-tree initial add-a-b-same-A add-a-b-same-B >actual &&
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test_cmp expected actual
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'
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test_expect_success 'file add A, B (different)' '
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cat >expected <<\EXPECTED &&
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added in both
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our 100644 43d5a8ed6ef6c00ff775008633f95787d088285d ONE
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their 100644 ba629238ca89489f2b350e196ca445e09d8bb834 ONE
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@@ -1 +1,5 @@
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+<<<<<<< .our
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AAA
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+=======
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+BBB
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+>>>>>>> .their
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EXPECTED
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git reset --hard initial &&
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test_commit "add-a-b-diff-A" "ONE" "AAA" &&
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git reset --hard initial &&
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test_commit "add-a-b-diff-B" "ONE" "BBB" &&
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git merge-tree initial add-a-b-diff-A add-a-b-diff-B >actual &&
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test_cmp expected actual
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'
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test_expect_success 'file change A, !B' '
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cat >expected <<\EXPECTED &&
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EXPECTED
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git reset --hard initial &&
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test_commit "change-a-not-b" "initial-file" "BBB" &&
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git merge-tree initial change-a-not-b initial >actual &&
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test_cmp expected actual
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'
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test_expect_success 'file change !A, B' '
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cat >expected <<\EXPECTED &&
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merged
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result 100644 ba629238ca89489f2b350e196ca445e09d8bb834 initial-file
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our 100644 e79c5e8f964493290a409888d5413a737e8e5dd5 initial-file
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@@ -1 +1 @@
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-initial
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+BBB
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EXPECTED
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git reset --hard initial &&
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test_commit "change-not-a-b" "initial-file" "BBB" &&
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git merge-tree initial initial change-not-a-b >actual &&
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test_cmp expected actual
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'
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test_expect_success 'file change A, B (same)' '
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cat >expected <<\EXPECTED &&
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EXPECTED
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git reset --hard initial &&
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test_commit "change-a-b-same-A" "initial-file" "AAA" &&
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git reset --hard initial &&
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test_commit "change-a-b-same-B" "initial-file" "AAA" &&
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git merge-tree initial change-a-b-same-A change-a-b-same-B >actual &&
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test_cmp expected actual
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'
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test_expect_success 'file change A, B (different)' '
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cat >expected <<\EXPECTED &&
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changed in both
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base 100644 e79c5e8f964493290a409888d5413a737e8e5dd5 initial-file
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our 100644 43d5a8ed6ef6c00ff775008633f95787d088285d initial-file
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their 100644 ba629238ca89489f2b350e196ca445e09d8bb834 initial-file
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@@ -1 +1,5 @@
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+<<<<<<< .our
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AAA
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+=======
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+BBB
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+>>>>>>> .their
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EXPECTED
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git reset --hard initial &&
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test_commit "change-a-b-diff-A" "initial-file" "AAA" &&
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git reset --hard initial &&
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test_commit "change-a-b-diff-B" "initial-file" "BBB" &&
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git merge-tree initial change-a-b-diff-A change-a-b-diff-B >actual &&
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test_cmp expected actual
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'
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test_expect_success 'file change A, B (mixed)' '
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cat >expected <<\EXPECTED &&
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changed in both
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base 100644 f4f1f998c7776568c4ff38f516d77fef9399b5a7 ONE
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our 100644 af14c2c3475337c73759d561ef70b59e5c731176 ONE
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their 100644 372d761493f524d44d59bd24700c3bdf914c973c ONE
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@@ -7,7 +7,11 @@
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AAA
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AAA
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AAA
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+<<<<<<< .our
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BBB
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+=======
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+CCC
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+>>>>>>> .their
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AAA
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AAA
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AAA
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EXPECTED
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git reset --hard initial &&
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test_commit "change-a-b-mix-base" "ONE" "
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AAA
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AAA
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AAA
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AAA
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AAA
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AAA
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AAA
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AAA
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AAA
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AAA
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AAA
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AAA
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AAA
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AAA
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AAA" &&
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test_commit "change-a-b-mix-A" "ONE" \
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"$(sed -e "1{s/AAA/BBB/;}" -e "10{s/AAA/BBB/;}" <ONE)" &&
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git reset --hard change-a-b-mix-base &&
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test_commit "change-a-b-mix-B" "ONE" \
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"$(sed -e "1{s/AAA/BBB/;}" -e "10{s/AAA/CCC/;}" <ONE)" &&
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git merge-tree change-a-b-mix-base change-a-b-mix-A change-a-b-mix-B \
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>actual &&
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test_cmp expected actual
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'
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test_expect_success 'file remove A, !B' '
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cat >expected <<\EXPECTED &&
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removed in local
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base 100644 43d5a8ed6ef6c00ff775008633f95787d088285d ONE
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their 100644 43d5a8ed6ef6c00ff775008633f95787d088285d ONE
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EXPECTED
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git reset --hard initial &&
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test_commit "rm-a-not-b-base" "ONE" "AAA" &&
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git rm ONE &&
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git commit -m "rm-a-not-b" &&
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git tag "rm-a-not-b" &&
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git merge-tree rm-a-not-b-base rm-a-not-b rm-a-not-b-base >actual &&
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test_cmp expected actual
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'
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test_expect_failure 'file remove !A, B' '
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cat >expected <<\EXPECTED &&
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removed in remote
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base 100644 43d5a8ed6ef6c00ff775008633f95787d088285d ONE
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our 100644 43d5a8ed6ef6c00ff775008633f95787d088285d ONE
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@@ -1 +0,0 @@
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-AAA
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EXPECTED
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git reset --hard initial &&
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test_commit "rm-not-a-b-base" "ONE" "AAA" &&
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git rm ONE &&
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git commit -m "rm-not-a-b" &&
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git tag "rm-not-a-b" &&
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git merge-tree rm-a-not-b-base rm-a-not-b-base rm-a-not-b >actual &&
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test_cmp expected actual
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'
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test_expect_failure 'file change A, remove B' '
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cat >expected <<\EXPECTED &&
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removed in remote
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base 100644 43d5a8ed6ef6c00ff775008633f95787d088285d ONE
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our 100644 ba629238ca89489f2b350e196ca445e09d8bb834 ONE
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@@ -1 +0,0 @@
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-BBB
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EXPECTED
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git reset --hard initial &&
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test_commit "change-a-rm-b-base" "ONE" "AAA" &&
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test_commit "change-a-rm-b-A" "ONE" "BBB" &&
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git reset --hard change-a-rm-b-base &&
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git rm ONE &&
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git commit -m "change-a-rm-b-B" &&
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git tag "change-a-rm-b-B" &&
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git merge-tree change-a-rm-b-base change-a-rm-b-A change-a-rm-b-B \
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>actual &&
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test_cmp expected actual
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'
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test_expect_success 'file remove A, change B' '
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cat >expected <<\EXPECTED &&
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removed in local
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base 100644 43d5a8ed6ef6c00ff775008633f95787d088285d ONE
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their 100644 ba629238ca89489f2b350e196ca445e09d8bb834 ONE
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EXPECTED
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git reset --hard initial &&
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test_commit "rm-a-change-b-base" "ONE" "AAA" &&
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git rm ONE &&
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git commit -m "rm-a-change-b-A" &&
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git tag "rm-a-change-b-A" &&
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git reset --hard rm-a-change-b-base &&
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test_commit "rm-a-change-b-B" "ONE" "BBB" &&
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git merge-tree rm-a-change-b-base rm-a-change-b-A rm-a-change-b-B \
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>actual &&
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test_cmp expected actual
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'
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test_done

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