2024-01-19 20:18:52 +00:00
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#!/bin/sh
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test_description='Test reffiles backend'
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GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
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export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
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2024-04-12 04:44:48 +00:00
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GIT_TEST_DEFAULT_REF_FORMAT=files
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export GIT_TEST_DEFAULT_REF_FORMAT
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2024-01-19 20:18:52 +00:00
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TEST_PASSES_SANITIZE_LEAK=true
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. ./test-lib.sh
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test_expect_success 'setup' '
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git commit --allow-empty -m Initial &&
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C=$(git rev-parse HEAD) &&
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git commit --allow-empty -m Second &&
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D=$(git rev-parse HEAD) &&
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git commit --allow-empty -m Third &&
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E=$(git rev-parse HEAD)
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'
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test_expect_success 'empty directory should not fool rev-parse' '
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prefix=refs/e-rev-parse &&
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git update-ref $prefix/foo $C &&
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git pack-refs --all &&
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mkdir -p .git/$prefix/foo/bar/baz &&
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echo "$C" >expected &&
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git rev-parse $prefix/foo >actual &&
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test_cmp expected actual
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'
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test_expect_success 'empty directory should not fool for-each-ref' '
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prefix=refs/e-for-each-ref &&
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git update-ref $prefix/foo $C &&
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git for-each-ref $prefix >expected &&
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git pack-refs --all &&
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mkdir -p .git/$prefix/foo/bar/baz &&
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git for-each-ref $prefix >actual &&
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test_cmp expected actual
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'
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test_expect_success 'empty directory should not fool create' '
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prefix=refs/e-create &&
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mkdir -p .git/$prefix/foo/bar/baz &&
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printf "create %s $C\n" $prefix/foo |
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git update-ref --stdin
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'
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test_expect_success 'empty directory should not fool verify' '
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prefix=refs/e-verify &&
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git update-ref $prefix/foo $C &&
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git pack-refs --all &&
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mkdir -p .git/$prefix/foo/bar/baz &&
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printf "verify %s $C\n" $prefix/foo |
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git update-ref --stdin
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'
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test_expect_success 'empty directory should not fool 1-arg update' '
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prefix=refs/e-update-1 &&
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git update-ref $prefix/foo $C &&
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git pack-refs --all &&
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mkdir -p .git/$prefix/foo/bar/baz &&
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printf "update %s $D\n" $prefix/foo |
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git update-ref --stdin
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'
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test_expect_success 'empty directory should not fool 2-arg update' '
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prefix=refs/e-update-2 &&
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git update-ref $prefix/foo $C &&
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git pack-refs --all &&
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mkdir -p .git/$prefix/foo/bar/baz &&
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printf "update %s $D $C\n" $prefix/foo |
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git update-ref --stdin
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'
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test_expect_success 'empty directory should not fool 0-arg delete' '
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prefix=refs/e-delete-0 &&
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git update-ref $prefix/foo $C &&
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git pack-refs --all &&
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mkdir -p .git/$prefix/foo/bar/baz &&
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printf "delete %s\n" $prefix/foo |
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git update-ref --stdin
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'
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test_expect_success 'empty directory should not fool 1-arg delete' '
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prefix=refs/e-delete-1 &&
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git update-ref $prefix/foo $C &&
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git pack-refs --all &&
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mkdir -p .git/$prefix/foo/bar/baz &&
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printf "delete %s $C\n" $prefix/foo |
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git update-ref --stdin
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'
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test_expect_success 'non-empty directory blocks create' '
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prefix=refs/ne-create &&
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mkdir -p .git/$prefix/foo/bar &&
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: >.git/$prefix/foo/bar/baz.lock &&
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test_when_finished "rm -f .git/$prefix/foo/bar/baz.lock" &&
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cat >expected <<-EOF &&
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fatal: cannot lock ref $SQ$prefix/foo$SQ: there is a non-empty directory $SQ.git/$prefix/foo$SQ blocking reference $SQ$prefix/foo$SQ
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EOF
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printf "%s\n" "update $prefix/foo $C" |
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test_must_fail git update-ref --stdin 2>output.err &&
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test_cmp expected output.err &&
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cat >expected <<-EOF &&
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fatal: cannot lock ref $SQ$prefix/foo$SQ: unable to resolve reference $SQ$prefix/foo$SQ
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EOF
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printf "%s\n" "update $prefix/foo $D $C" |
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test_must_fail git update-ref --stdin 2>output.err &&
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test_cmp expected output.err
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'
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test_expect_success 'broken reference blocks create' '
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prefix=refs/broken-create &&
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mkdir -p .git/$prefix &&
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echo "gobbledigook" >.git/$prefix/foo &&
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test_when_finished "rm -f .git/$prefix/foo" &&
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cat >expected <<-EOF &&
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fatal: cannot lock ref $SQ$prefix/foo$SQ: unable to resolve reference $SQ$prefix/foo$SQ: reference broken
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EOF
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printf "%s\n" "update $prefix/foo $C" |
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test_must_fail git update-ref --stdin 2>output.err &&
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test_cmp expected output.err &&
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cat >expected <<-EOF &&
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fatal: cannot lock ref $SQ$prefix/foo$SQ: unable to resolve reference $SQ$prefix/foo$SQ: reference broken
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EOF
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printf "%s\n" "update $prefix/foo $D $C" |
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test_must_fail git update-ref --stdin 2>output.err &&
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test_cmp expected output.err
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'
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test_expect_success 'non-empty directory blocks indirect create' '
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prefix=refs/ne-indirect-create &&
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git symbolic-ref $prefix/symref $prefix/foo &&
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mkdir -p .git/$prefix/foo/bar &&
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: >.git/$prefix/foo/bar/baz.lock &&
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test_when_finished "rm -f .git/$prefix/foo/bar/baz.lock" &&
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cat >expected <<-EOF &&
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fatal: cannot lock ref $SQ$prefix/symref$SQ: there is a non-empty directory $SQ.git/$prefix/foo$SQ blocking reference $SQ$prefix/foo$SQ
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EOF
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printf "%s\n" "update $prefix/symref $C" |
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test_must_fail git update-ref --stdin 2>output.err &&
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test_cmp expected output.err &&
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cat >expected <<-EOF &&
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fatal: cannot lock ref $SQ$prefix/symref$SQ: unable to resolve reference $SQ$prefix/foo$SQ
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EOF
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printf "%s\n" "update $prefix/symref $D $C" |
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test_must_fail git update-ref --stdin 2>output.err &&
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test_cmp expected output.err
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'
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test_expect_success 'broken reference blocks indirect create' '
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prefix=refs/broken-indirect-create &&
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git symbolic-ref $prefix/symref $prefix/foo &&
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echo "gobbledigook" >.git/$prefix/foo &&
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test_when_finished "rm -f .git/$prefix/foo" &&
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cat >expected <<-EOF &&
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fatal: cannot lock ref $SQ$prefix/symref$SQ: unable to resolve reference $SQ$prefix/foo$SQ: reference broken
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EOF
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printf "%s\n" "update $prefix/symref $C" |
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test_must_fail git update-ref --stdin 2>output.err &&
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test_cmp expected output.err &&
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cat >expected <<-EOF &&
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fatal: cannot lock ref $SQ$prefix/symref$SQ: unable to resolve reference $SQ$prefix/foo$SQ: reference broken
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EOF
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printf "%s\n" "update $prefix/symref $D $C" |
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test_must_fail git update-ref --stdin 2>output.err &&
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test_cmp expected output.err
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'
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test_expect_success 'no bogus intermediate values during delete' '
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prefix=refs/slow-transaction &&
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# Set up a reference with differing loose and packed versions:
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git update-ref $prefix/foo $C &&
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git pack-refs --all &&
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git update-ref $prefix/foo $D &&
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# Now try to update the reference, but hold the `packed-refs` lock
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# for a while to see what happens while the process is blocked:
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: >.git/packed-refs.lock &&
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test_when_finished "rm -f .git/packed-refs.lock" &&
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{
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# Note: the following command is intentionally run in the
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# background. We increase the timeout so that `update-ref`
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# attempts to acquire the `packed-refs` lock for much longer
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# than it takes for us to do the check then delete it:
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git -c core.packedrefstimeout=30000 update-ref -d $prefix/foo &
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} &&
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pid2=$! &&
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# Give update-ref plenty of time to get to the point where it tries
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# to lock packed-refs:
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sleep 1 &&
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# Make sure that update-ref did not complete despite the lock:
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kill -0 $pid2 &&
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# Verify that the reference still has its old value:
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sha1=$(git rev-parse --verify --quiet $prefix/foo || echo undefined) &&
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case "$sha1" in
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$D)
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# This is what we hope for; it means that nothing
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# user-visible has changed yet.
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: ;;
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undefined)
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# This is not correct; it means the deletion has happened
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# already even though update-ref should not have been
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# able to acquire the lock yet.
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echo "$prefix/foo deleted prematurely" &&
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break
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;;
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$C)
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# This value should never be seen. Probably the loose
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# reference has been deleted but the packed reference
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# is still there:
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echo "$prefix/foo incorrectly observed to be C" &&
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break
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;;
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*)
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# WTF?
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echo "unexpected value observed for $prefix/foo: $sha1" &&
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break
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;;
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esac >out &&
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rm -f .git/packed-refs.lock &&
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wait $pid2 &&
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test_must_be_empty out &&
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test_must_fail git rev-parse --verify --quiet $prefix/foo
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'
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test_expect_success 'delete fails cleanly if packed-refs file is locked' '
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prefix=refs/locked-packed-refs &&
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# Set up a reference with differing loose and packed versions:
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git update-ref $prefix/foo $C &&
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git pack-refs --all &&
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git update-ref $prefix/foo $D &&
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git for-each-ref $prefix >unchanged &&
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# Now try to delete it while the `packed-refs` lock is held:
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: >.git/packed-refs.lock &&
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test_when_finished "rm -f .git/packed-refs.lock" &&
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test_must_fail git update-ref -d $prefix/foo >out 2>err &&
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git for-each-ref $prefix >actual &&
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test_grep "Unable to create $SQ.*packed-refs.lock$SQ: " err &&
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test_cmp unchanged actual
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'
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test_expect_success 'delete fails cleanly if packed-refs.new write fails' '
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# Setup and expectations are similar to the test above.
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prefix=refs/failed-packed-refs &&
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git update-ref $prefix/foo $C &&
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git pack-refs --all &&
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git update-ref $prefix/foo $D &&
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git for-each-ref $prefix >unchanged &&
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# This should not happen in practice, but it is an easy way to get a
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# reliable error (we open with create_tempfile(), which uses O_EXCL).
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: >.git/packed-refs.new &&
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test_when_finished "rm -f .git/packed-refs.new" &&
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test_must_fail git update-ref -d $prefix/foo &&
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git for-each-ref $prefix >actual &&
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test_cmp unchanged actual
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'
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2024-01-19 20:18:54 +00:00
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RWT="test-tool ref-store worktree:wt"
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RMAIN="test-tool ref-store worktree:main"
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test_expect_success 'setup worktree' '
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test_commit first &&
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git worktree add -b wt-main wt &&
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(
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cd wt &&
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test_commit second
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)
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'
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# Some refs (refs/bisect/*, pseudorefs) are kept per worktree, so they should
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# only appear in the for-each-reflog output if it is called from the correct
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# worktree, which is exercised in this test. This test is poorly written for
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# mulitple reasons: 1) it creates invalidly formatted log entres. 2) it uses
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# direct FS access for creating the reflogs. 3) PSEUDO-WT and refs/bisect/random
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# do not create reflogs by default, so it is not testing a realistic scenario.
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test_expect_success 'for_each_reflog()' '
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2024-03-05 17:44:44 +00:00
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echo $ZERO_OID >.git/logs/PSEUDO_MAIN_HEAD &&
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2024-01-19 20:18:54 +00:00
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mkdir -p .git/logs/refs/bisect &&
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2024-03-05 17:44:44 +00:00
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echo $ZERO_OID >.git/logs/refs/bisect/random &&
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2024-01-19 20:18:54 +00:00
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2024-03-05 17:44:44 +00:00
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echo $ZERO_OID >.git/worktrees/wt/logs/PSEUDO_WT_HEAD &&
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2024-01-19 20:18:54 +00:00
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mkdir -p .git/worktrees/wt/logs/refs/bisect &&
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2024-03-05 17:44:44 +00:00
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echo $ZERO_OID >.git/worktrees/wt/logs/refs/bisect/wt-random &&
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2024-01-19 20:18:54 +00:00
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2024-02-21 12:37:39 +00:00
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$RWT for-each-reflog >actual &&
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2024-01-19 20:18:54 +00:00
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cat >expected <<-\EOF &&
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2024-02-21 12:37:39 +00:00
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HEAD
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2024-03-05 17:44:44 +00:00
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PSEUDO_WT_HEAD
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2024-02-21 12:37:39 +00:00
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refs/bisect/wt-random
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refs/heads/main
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refs/heads/wt-main
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2024-01-19 20:18:54 +00:00
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EOF
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test_cmp expected actual &&
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2024-02-21 12:37:39 +00:00
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$RMAIN for-each-reflog >actual &&
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2024-01-19 20:18:54 +00:00
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cat >expected <<-\EOF &&
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2024-02-21 12:37:39 +00:00
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HEAD
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2024-03-05 17:44:44 +00:00
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PSEUDO_MAIN_HEAD
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2024-02-21 12:37:39 +00:00
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refs/bisect/random
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refs/heads/main
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refs/heads/wt-main
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2024-01-19 20:18:54 +00:00
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EOF
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test_cmp expected actual
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'
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2024-01-19 20:18:55 +00:00
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# Triggering the bug detected by this test requires a newline to fall
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# exactly BUFSIZ-1 bytes from the end of the file. We don't know
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# what that value is, since it's platform dependent. However, if
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# we choose some value N, we also catch any D which divides N evenly
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# (since we will read backwards in chunks of D). So we choose 8K,
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# which catches glibc (with an 8K BUFSIZ) and *BSD (1K).
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#
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# Each line is 114 characters, so we need 75 to still have a few before the
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# last 8K. The 89-character padding on the final entry lines up our
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# newline exactly.
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test_expect_success SHA1 'parsing reverse reflogs at BUFSIZ boundaries' '
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git checkout -b reflogskip &&
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zf=$(test_oid zero_2) &&
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ident="abc <xyz> 0000000001 +0000" &&
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for i in $(test_seq 1 75); do
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printf "$zf%02d $zf%02d %s\t" $i $(($i+1)) "$ident" &&
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if test $i = 75; then
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|
|
|
for j in $(test_seq 1 89); do
|
|
|
|
printf X || return 1
|
|
|
|
done
|
|
|
|
else
|
|
|
|
printf X
|
|
|
|
fi &&
|
|
|
|
printf "\n" || return 1
|
|
|
|
done >.git/logs/refs/heads/reflogskip &&
|
|
|
|
git rev-parse reflogskip@{73} >actual &&
|
|
|
|
echo ${zf}03 >expect &&
|
|
|
|
test_cmp expect actual
|
|
|
|
'
|
|
|
|
|
|
|
|
# This test takes a lock on an individual ref; this is not supported in
|
|
|
|
# reftable.
|
|
|
|
test_expect_success 'reflog expire operates on symref not referrent' '
|
|
|
|
git branch --create-reflog the_symref &&
|
|
|
|
git branch --create-reflog referrent &&
|
|
|
|
git update-ref referrent HEAD &&
|
|
|
|
git symbolic-ref refs/heads/the_symref refs/heads/referrent &&
|
|
|
|
test_when_finished "rm -f .git/refs/heads/referrent.lock" &&
|
|
|
|
touch .git/refs/heads/referrent.lock &&
|
|
|
|
git reflog expire --expire=all the_symref
|
|
|
|
'
|
|
|
|
|
|
|
|
test_expect_success 'empty reflog' '
|
|
|
|
test_when_finished "rm -rf empty" &&
|
|
|
|
git init empty &&
|
|
|
|
test_commit -C empty A &&
|
|
|
|
>empty/.git/logs/refs/heads/foo &&
|
|
|
|
git -C empty reflog expire --all 2>err &&
|
|
|
|
test_must_be_empty err
|
|
|
|
'
|
|
|
|
|
2024-01-19 20:18:57 +00:00
|
|
|
test_expect_success SYMLINKS 'ref resolution not confused by broken symlinks' '
|
|
|
|
ln -s does-not-exist .git/refs/heads/broken &&
|
|
|
|
test_must_fail git rev-parse --verify broken
|
|
|
|
'
|
|
|
|
|
2024-01-19 20:18:59 +00:00
|
|
|
test_expect_success 'log diagnoses bogus HEAD hash' '
|
|
|
|
git init empty &&
|
|
|
|
test_when_finished "rm -rf empty" &&
|
|
|
|
echo 1234abcd >empty/.git/refs/heads/main &&
|
|
|
|
test_must_fail git -C empty log 2>stderr &&
|
|
|
|
test_grep broken stderr
|
|
|
|
'
|
|
|
|
|
|
|
|
test_expect_success 'log diagnoses bogus HEAD symref' '
|
|
|
|
git init empty &&
|
|
|
|
test-tool -C empty ref-store main create-symref HEAD refs/heads/invalid.lock &&
|
|
|
|
test_must_fail git -C empty log 2>stderr &&
|
|
|
|
test_grep broken stderr &&
|
|
|
|
test_must_fail git -C empty log --default totally-bogus 2>stderr &&
|
|
|
|
test_grep broken stderr
|
|
|
|
'
|
|
|
|
|
2024-02-15 08:25:30 +00:00
|
|
|
test_expect_success 'empty directory removal' '
|
|
|
|
git branch d1/d2/r1 HEAD &&
|
|
|
|
git branch d1/r2 HEAD &&
|
|
|
|
test_path_is_file .git/refs/heads/d1/d2/r1 &&
|
|
|
|
test_path_is_file .git/logs/refs/heads/d1/d2/r1 &&
|
|
|
|
git branch -d d1/d2/r1 &&
|
|
|
|
test_must_fail git show-ref --verify -q refs/heads/d1/d2 &&
|
|
|
|
test_must_fail git show-ref --verify -q logs/refs/heads/d1/d2 &&
|
|
|
|
test_path_is_file .git/refs/heads/d1/r2 &&
|
|
|
|
test_path_is_file .git/logs/refs/heads/d1/r2
|
|
|
|
'
|
|
|
|
|
|
|
|
test_expect_success 'symref empty directory removal' '
|
|
|
|
git branch e1/e2/r1 HEAD &&
|
|
|
|
git branch e1/r2 HEAD &&
|
|
|
|
git checkout e1/e2/r1 &&
|
|
|
|
test_when_finished "git checkout main" &&
|
|
|
|
test_path_is_file .git/refs/heads/e1/e2/r1 &&
|
|
|
|
test_path_is_file .git/logs/refs/heads/e1/e2/r1 &&
|
|
|
|
git update-ref -d HEAD &&
|
|
|
|
test_must_fail git show-ref --verify -q refs/heads/e1/e2 &&
|
|
|
|
test_must_fail git show-ref --verify -q logs/refs/heads/e1/e2 &&
|
|
|
|
test_path_is_file .git/refs/heads/e1/r2 &&
|
|
|
|
test_path_is_file .git/logs/refs/heads/e1/r2 &&
|
|
|
|
test_path_is_file .git/logs/HEAD
|
|
|
|
'
|
|
|
|
|
|
|
|
test_expect_success 'directory not created deleting packed ref' '
|
|
|
|
git branch d1/d2/r1 HEAD &&
|
|
|
|
git pack-refs --all &&
|
|
|
|
test_path_is_missing .git/refs/heads/d1/d2 &&
|
|
|
|
git update-ref -d refs/heads/d1/d2/r1 &&
|
|
|
|
test_path_is_missing .git/refs/heads/d1/d2 &&
|
|
|
|
test_path_is_missing .git/refs/heads/d1
|
|
|
|
'
|
|
|
|
|
|
|
|
test_expect_success SYMLINKS 'git branch -m u v should fail when the reflog for u is a symlink' '
|
|
|
|
git branch --create-reflog u &&
|
|
|
|
mv .git/logs/refs/heads/u real-u &&
|
|
|
|
ln -s real-u .git/logs/refs/heads/u &&
|
|
|
|
test_must_fail git branch -m u v
|
|
|
|
'
|
|
|
|
|
|
|
|
test_expect_success SYMLINKS 'git branch -m with symlinked .git/refs' '
|
|
|
|
test_when_finished "rm -rf subdir" &&
|
|
|
|
git init --bare subdir &&
|
|
|
|
|
|
|
|
rm -rfv subdir/refs subdir/objects subdir/packed-refs &&
|
|
|
|
ln -s ../.git/refs subdir/refs &&
|
|
|
|
ln -s ../.git/objects subdir/objects &&
|
|
|
|
ln -s ../.git/packed-refs subdir/packed-refs &&
|
|
|
|
|
|
|
|
git -C subdir rev-parse --absolute-git-dir >subdir.dir &&
|
|
|
|
git rev-parse --absolute-git-dir >our.dir &&
|
|
|
|
! test_cmp subdir.dir our.dir &&
|
|
|
|
|
|
|
|
git -C subdir log &&
|
|
|
|
git -C subdir branch rename-src &&
|
|
|
|
git rev-parse rename-src >expect &&
|
|
|
|
git -C subdir branch -m rename-src rename-dest &&
|
|
|
|
git rev-parse rename-dest >actual &&
|
|
|
|
test_cmp expect actual &&
|
|
|
|
git branch -D rename-dest
|
|
|
|
'
|
|
|
|
|
|
|
|
test_expect_success MINGW,SYMLINKS_WINDOWS 'rebase when .git/logs is a symlink' '
|
|
|
|
git checkout main &&
|
|
|
|
mv .git/logs actual_logs &&
|
|
|
|
cmd //c "mklink /D .git\logs ..\actual_logs" &&
|
|
|
|
git rebase -f HEAD^ &&
|
|
|
|
test -L .git/logs &&
|
|
|
|
rm .git/logs &&
|
|
|
|
mv actual_logs .git/logs
|
|
|
|
'
|
|
|
|
|
|
|
|
test_expect_success POSIXPERM 'git reflog expire honors core.sharedRepository' '
|
|
|
|
umask 077 &&
|
|
|
|
git config core.sharedRepository group &&
|
|
|
|
git reflog expire --all &&
|
|
|
|
actual="$(ls -l .git/logs/refs/heads/main)" &&
|
|
|
|
case "$actual" in
|
|
|
|
-rw-rw-*)
|
|
|
|
: happy
|
|
|
|
;;
|
|
|
|
*)
|
|
|
|
echo Ooops, .git/logs/refs/heads/main is not 066x [$actual]
|
|
|
|
false
|
|
|
|
;;
|
|
|
|
esac
|
|
|
|
'
|
|
|
|
|
2024-01-19 20:18:52 +00:00
|
|
|
test_done
|