9c5b2fab30
Fix the argument order for test_cmp. When given the expected result first the diff shows the actual output with '+' and the expectation with '-', which is the convention for our tests. Signed-off-by: Stefan Beller <sbeller@google.com> Reviewed-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
283 lines
6.4 KiB
Bash
Executable File
283 lines
6.4 KiB
Bash
Executable File
#!/bin/sh
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test_description='merging with submodules'
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. ./test-lib.sh
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#
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# history
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#
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# a --- c
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# / \ /
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# root X
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# \ / \
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# b --- d
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#
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test_expect_success setup '
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mkdir sub &&
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(cd sub &&
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git init &&
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echo original > file &&
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git add file &&
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test_tick &&
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git commit -m sub-root) &&
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git add sub &&
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test_tick &&
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git commit -m root &&
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git checkout -b a master &&
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(cd sub &&
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echo A > file &&
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git add file &&
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test_tick &&
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git commit -m sub-a) &&
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git add sub &&
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test_tick &&
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git commit -m a &&
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git checkout -b b master &&
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(cd sub &&
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echo B > file &&
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git add file &&
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test_tick &&
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git commit -m sub-b) &&
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git add sub &&
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test_tick &&
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git commit -m b &&
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git checkout -b c a &&
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git merge -s ours b &&
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git checkout -b d b &&
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git merge -s ours a
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'
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# History setup
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#
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# b
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# / \
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# init -- a d
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# \ \ /
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# g c
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#
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# a in the main repository records to sub-a in the submodule and
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# analogous b and c. d should be automatically found by merging c into
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# b in the main repository.
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test_expect_success 'setup for merge search' '
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mkdir merge-search &&
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(cd merge-search &&
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git init &&
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mkdir sub &&
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(cd sub &&
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git init &&
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echo "file-a" > file-a &&
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git add file-a &&
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git commit -m "sub-a" &&
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git branch sub-a) &&
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git commit --allow-empty -m init &&
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git branch init &&
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git add sub &&
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git commit -m "a" &&
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git branch a &&
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git checkout -b b &&
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(cd sub &&
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git checkout -b sub-b &&
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echo "file-b" > file-b &&
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git add file-b &&
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git commit -m "sub-b") &&
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git commit -a -m "b" &&
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git checkout -b c a &&
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(cd sub &&
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git checkout -b sub-c sub-a &&
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echo "file-c" > file-c &&
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git add file-c &&
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git commit -m "sub-c") &&
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git commit -a -m "c" &&
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git checkout -b d a &&
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(cd sub &&
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git checkout -b sub-d sub-b &&
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git merge sub-c) &&
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git commit -a -m "d" &&
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git branch test b &&
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git checkout -b g init &&
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(cd sub &&
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git checkout -b sub-g sub-c) &&
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git add sub &&
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git commit -a -m "g")
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'
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test_expect_success 'merge with one side as a fast-forward of the other' '
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(cd merge-search &&
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git checkout -b test-forward b &&
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git merge d &&
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git ls-tree test-forward sub | cut -f1 | cut -f3 -d" " > actual &&
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(cd sub &&
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git rev-parse sub-d > ../expect) &&
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test_cmp expect actual)
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'
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test_expect_success 'merging should conflict for non fast-forward' '
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(cd merge-search &&
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git checkout -b test-nonforward b &&
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(cd sub &&
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git rev-parse sub-d > ../expect) &&
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test_must_fail git merge c 2> actual &&
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grep $(cat expect) actual > /dev/null &&
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git reset --hard)
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'
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test_expect_success 'merging should fail for ambiguous common parent' '
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(cd merge-search &&
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git checkout -b test-ambiguous b &&
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(cd sub &&
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git checkout -b ambiguous sub-b &&
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git merge sub-c &&
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git rev-parse sub-d > ../expect1 &&
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git rev-parse ambiguous > ../expect2) &&
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test_must_fail git merge c 2> actual &&
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grep $(cat expect1) actual > /dev/null &&
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grep $(cat expect2) actual > /dev/null &&
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git reset --hard)
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'
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# in a situation like this
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#
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# submodule tree:
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#
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# sub-a --- sub-b --- sub-d
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#
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# main tree:
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#
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# e (sub-a)
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# /
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# bb (sub-b)
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# \
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# f (sub-d)
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#
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# A merge between e and f should fail because one of the submodule
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# commits (sub-a) does not descend from the submodule merge-base (sub-b).
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#
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test_expect_success 'merging should fail for changes that are backwards' '
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(cd merge-search &&
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git checkout -b bb a &&
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(cd sub &&
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git checkout sub-b) &&
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git commit -a -m "bb" &&
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git checkout -b e bb &&
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(cd sub &&
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git checkout sub-a) &&
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git commit -a -m "e" &&
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git checkout -b f bb &&
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(cd sub &&
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git checkout sub-d) &&
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git commit -a -m "f" &&
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git checkout -b test-backward e &&
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test_must_fail git merge f)
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'
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# Check that the conflicting submodule is detected when it is
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# in the common ancestor. status should be 'U00...00"
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test_expect_success 'git submodule status should display the merge conflict properly with merge base' '
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(cd merge-search &&
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cat >.gitmodules <<EOF &&
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[submodule "sub"]
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path = sub
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url = $TRASH_DIRECTORY/sub
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EOF
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cat >expect <<EOF &&
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U0000000000000000000000000000000000000000 sub
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EOF
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git submodule status > actual &&
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test_cmp expect actual &&
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git reset --hard)
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'
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# Check that the conflicting submodule is detected when it is
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# not in the common ancestor. status should be 'U00...00"
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test_expect_success 'git submodule status should display the merge conflict properly without merge-base' '
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(cd merge-search &&
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git checkout -b test-no-merge-base g &&
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test_must_fail git merge b &&
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cat >.gitmodules <<EOF &&
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[submodule "sub"]
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path = sub
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url = $TRASH_DIRECTORY/sub
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EOF
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cat >expect <<EOF &&
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U0000000000000000000000000000000000000000 sub
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EOF
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git submodule status > actual &&
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test_cmp expect actual &&
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git reset --hard)
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'
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test_expect_success 'merging with a modify/modify conflict between merge bases' '
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git reset --hard HEAD &&
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git checkout -b test2 c &&
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git merge d
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'
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# canonical criss-cross history in top and submodule
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test_expect_success 'setup for recursive merge with submodule' '
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mkdir merge-recursive &&
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(cd merge-recursive &&
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git init &&
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mkdir sub &&
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(cd sub &&
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git init &&
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test_commit a &&
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git checkout -b sub-b master &&
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test_commit b &&
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git checkout -b sub-c master &&
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test_commit c &&
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git checkout -b sub-bc sub-b &&
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git merge sub-c &&
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git checkout -b sub-cb sub-c &&
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git merge sub-b &&
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git checkout master) &&
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git add sub &&
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git commit -m a &&
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git checkout -b top-b master &&
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(cd sub && git checkout sub-b) &&
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git add sub &&
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git commit -m b &&
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git checkout -b top-c master &&
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(cd sub && git checkout sub-c) &&
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git add sub &&
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git commit -m c &&
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git checkout -b top-bc top-b &&
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git merge -s ours --no-commit top-c &&
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(cd sub && git checkout sub-bc) &&
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git add sub &&
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git commit -m bc &&
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git checkout -b top-cb top-c &&
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git merge -s ours --no-commit top-b &&
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(cd sub && git checkout sub-cb) &&
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git add sub &&
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git commit -m cb)
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'
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# merge should leave submodule unmerged in index
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test_expect_success 'recursive merge with submodule' '
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(cd merge-recursive &&
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test_must_fail git merge top-bc &&
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echo "160000 $(git rev-parse top-cb:sub) 2 sub" > expect2 &&
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echo "160000 $(git rev-parse top-bc:sub) 3 sub" > expect3 &&
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git ls-files -u > actual &&
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grep "$(cat expect2)" actual > /dev/null &&
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grep "$(cat expect3)" actual > /dev/null)
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'
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test_done
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