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![Elijah Newren](/assets/img/avatar_default.png)
We have for some time shown a long warning when the user does not specify how to reconcile divergent branches with git pull. Make it an error now. Initial-patch-by: Alex Henrie <alexhenrie24@gmail.com> Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
165 lines
3.5 KiB
Bash
Executable file
165 lines
3.5 KiB
Bash
Executable file
#!/bin/sh
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test_description='git merge
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Testing octopus merge when reducing parents to independent branches.'
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. ./test-lib.sh
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# 0 - 1
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# \ 2
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# \ 3
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# \ 4 - 5
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#
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# So 1, 2, 3 and 5 should be kept, 4 should be avoided.
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test_expect_success 'setup' '
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echo c0 > c0.c &&
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git add c0.c &&
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git commit -m c0 &&
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git tag c0 &&
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echo c1 > c1.c &&
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git add c1.c &&
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git commit -m c1 &&
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git tag c1 &&
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git reset --hard c0 &&
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echo c2 > c2.c &&
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git add c2.c &&
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git commit -m c2 &&
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git tag c2 &&
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git reset --hard c0 &&
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echo c3 > c3.c &&
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git add c3.c &&
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git commit -m c3 &&
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git tag c3 &&
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git reset --hard c0 &&
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echo c4 > c4.c &&
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git add c4.c &&
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git commit -m c4 &&
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git tag c4 &&
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echo c5 > c5.c &&
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git add c5.c &&
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git commit -m c5 &&
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git tag c5
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'
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test_expect_success 'merge c1 with c2, c3, c4, c5' '
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git reset --hard c1 &&
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git merge c2 c3 c4 c5 &&
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test "$(git rev-parse c1)" != "$(git rev-parse HEAD)" &&
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test "$(git rev-parse c1)" = "$(git rev-parse HEAD^1)" &&
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test "$(git rev-parse c2)" = "$(git rev-parse HEAD^2)" &&
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test "$(git rev-parse c3)" = "$(git rev-parse HEAD^3)" &&
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test "$(git rev-parse c5)" = "$(git rev-parse HEAD^4)" &&
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git diff --exit-code &&
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test -f c0.c &&
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test -f c1.c &&
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test -f c2.c &&
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test -f c3.c &&
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test -f c4.c &&
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test -f c5.c &&
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git show --format=%s -s >actual &&
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! grep c1 actual &&
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grep c2 actual &&
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grep c3 actual &&
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! grep c4 actual &&
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grep c5 actual
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'
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test_expect_success 'pull c2, c3, c4, c5 into c1' '
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git reset --hard c1 &&
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git pull --no-rebase . c2 c3 c4 c5 &&
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test "$(git rev-parse c1)" != "$(git rev-parse HEAD)" &&
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test "$(git rev-parse c1)" = "$(git rev-parse HEAD^1)" &&
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test "$(git rev-parse c2)" = "$(git rev-parse HEAD^2)" &&
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test "$(git rev-parse c3)" = "$(git rev-parse HEAD^3)" &&
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test "$(git rev-parse c5)" = "$(git rev-parse HEAD^4)" &&
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git diff --exit-code &&
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test -f c0.c &&
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test -f c1.c &&
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test -f c2.c &&
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test -f c3.c &&
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test -f c4.c &&
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test -f c5.c &&
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git show --format=%s -s >actual &&
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! grep c1 actual &&
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grep c2 actual &&
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grep c3 actual &&
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! grep c4 actual &&
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grep c5 actual
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'
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test_expect_success 'setup' '
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for i in A B C D E
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do
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echo $i > $i.c &&
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git add $i.c &&
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git commit -m $i &&
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git tag $i
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done &&
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git reset --hard A &&
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for i in F G H I
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do
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echo $i > $i.c &&
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git add $i.c &&
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git commit -m $i &&
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git tag $i
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done
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'
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test_expect_success 'merge E and I' '
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git reset --hard A &&
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git merge E I
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'
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test_expect_success 'verify merge result' '
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test $(git rev-parse HEAD^1) = $(git rev-parse E) &&
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test $(git rev-parse HEAD^2) = $(git rev-parse I)
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'
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test_expect_success 'add conflicts' '
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git reset --hard E &&
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echo foo > file.c &&
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git add file.c &&
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git commit -m E2 &&
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git tag E2 &&
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git reset --hard I &&
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echo bar >file.c &&
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git add file.c &&
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git commit -m I2 &&
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git tag I2
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'
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test_expect_success 'merge E2 and I2, causing a conflict and resolve it' '
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git reset --hard A &&
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test_must_fail git merge E2 I2 &&
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echo baz > file.c &&
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git add file.c &&
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git commit -m "resolve conflict"
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'
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test_expect_success 'verify merge result' '
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test $(git rev-parse HEAD^1) = $(git rev-parse E2) &&
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test $(git rev-parse HEAD^2) = $(git rev-parse I2)
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'
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test_expect_success 'fast-forward to redundant refs' '
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git reset --hard c0 &&
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git merge c4 c5
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'
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test_expect_success 'verify merge result' '
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test $(git rev-parse HEAD) = $(git rev-parse c5)
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'
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test_expect_success 'merge up-to-date redundant refs' '
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git reset --hard c5 &&
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git merge c0 c4
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'
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test_expect_success 'verify merge result' '
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test $(git rev-parse HEAD) = $(git rev-parse c5)
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'
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test_done
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