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72fac66bca
If one side deletes a file and the other changes its content, we notice and report a conflict. However, if instead of changing the content, we change only the mode, the merge does not notice (and the mode change is silently dropped). The trivial index merge notices the problem and correctly leaves the conflict in the index, but both merge-recursive and merge-one-file will silently resolve this in favor of the deletion. In many cases that is a sane resolution, but we should be punting to the user whenever there is any question. So let's detect and treat this as a conflict (in both strategies). Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
100 lines
2.2 KiB
Bash
Executable file
100 lines
2.2 KiB
Bash
Executable file
#!/bin/sh
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test_description='merge: handle file mode'
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. ./test-lib.sh
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test_expect_success 'set up mode change in one branch' '
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: >file1 &&
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git add file1 &&
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git commit -m initial &&
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git checkout -b a1 master &&
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: >dummy &&
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git add dummy &&
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git commit -m a &&
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git checkout -b b1 master &&
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test_chmod +x file1 &&
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git add file1 &&
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git commit -m b1
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'
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do_one_mode () {
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strategy=$1
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us=$2
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them=$3
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test_expect_success "resolve single mode change ($strategy, $us)" '
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git checkout -f $us &&
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git merge -s $strategy $them &&
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git ls-files -s file1 | grep ^100755
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'
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test_expect_success FILEMODE "verify executable bit on file ($strategy, $us)" '
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test -x file1
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'
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}
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do_one_mode recursive a1 b1
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do_one_mode recursive b1 a1
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do_one_mode resolve a1 b1
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do_one_mode resolve b1 a1
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test_expect_success 'set up mode change in both branches' '
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git reset --hard HEAD &&
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git checkout -b a2 master &&
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: >file2 &&
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H=$(git hash-object file2) &&
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test_chmod +x file2 &&
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git commit -m a2 &&
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git checkout -b b2 master &&
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: >file2 &&
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git add file2 &&
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git commit -m b2 &&
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{
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echo "100755 $H 2 file2"
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echo "100644 $H 3 file2"
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} >expect
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'
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do_both_modes () {
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strategy=$1
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test_expect_success "detect conflict on double mode change ($strategy)" '
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git reset --hard &&
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git checkout -f a2 &&
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test_must_fail git merge -s $strategy b2 &&
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git ls-files -u >actual &&
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test_cmp actual expect &&
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git ls-files -s file2 | grep ^100755
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'
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test_expect_success FILEMODE "verify executable bit on file ($strategy)" '
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test -x file2
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'
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}
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# both sides are equivalent, so no need to run both ways
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do_both_modes recursive
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do_both_modes resolve
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test_expect_success 'set up delete/modechange scenario' '
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git reset --hard &&
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git checkout -b deletion master &&
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git rm file1 &&
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git commit -m deletion
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'
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do_delete_modechange () {
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strategy=$1
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us=$2
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them=$3
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test_expect_success "detect delete/modechange conflict ($strategy, $us)" '
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git reset --hard &&
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git checkout $us &&
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test_must_fail git merge -s $strategy $them
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'
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}
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do_delete_modechange recursive b1 deletion
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do_delete_modechange recursive deletion b1
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do_delete_modechange resolve b1 deletion
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do_delete_modechange resolve deletion b1
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test_done
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