281 lines
6.5 KiB
Bash
Executable File
281 lines
6.5 KiB
Bash
Executable File
#!/bin/sh
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test_description="Test whether cache-tree is properly updated
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Tests whether various commands properly update and/or rewrite the
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cache-tree extension.
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"
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. ./test-lib.sh
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cmp_cache_tree () {
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test-tool dump-cache-tree | sed -e '/#(ref)/d' >actual &&
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sed "s/$OID_REGEX/SHA/" <actual >filtered &&
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test_cmp "$1" filtered &&
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rm filtered
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}
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# We don't bother with actually checking the SHA1:
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# test-tool dump-cache-tree already verifies that all existing data is
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# correct.
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generate_expected_cache_tree () {
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pathspec="$1" &&
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dir="$2${2:+/}" &&
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git ls-tree --name-only HEAD -- "$pathspec" >files &&
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git ls-tree --name-only -d HEAD -- "$pathspec" >subtrees &&
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printf "SHA %s (%d entries, %d subtrees)\n" "$dir" $(wc -l <files) $(wc -l <subtrees) &&
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while read subtree
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do
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generate_expected_cache_tree "$pathspec/$subtree/" "$subtree" || return 1
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done <subtrees
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}
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test_cache_tree () {
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generate_expected_cache_tree "." >expect &&
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cmp_cache_tree expect &&
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rm expect actual files subtrees &&
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git status --porcelain -- ':!status' ':!expected.status' >status &&
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if test -n "$1"
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then
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test_cmp "$1" status
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else
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test_must_be_empty status
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fi
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}
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test_invalid_cache_tree () {
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printf "invalid %s ()\n" "" "$@" >expect &&
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test-tool dump-cache-tree |
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sed -n -e "s/[0-9]* subtrees//" -e '/#(ref)/d' -e '/^invalid /p' >actual &&
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test_cmp expect actual
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}
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test_no_cache_tree () {
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>expect &&
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cmp_cache_tree expect
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}
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test_expect_success 'initial commit has cache-tree' '
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test_commit foo &&
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test_cache_tree
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'
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test_expect_success 'read-tree HEAD establishes cache-tree' '
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git read-tree HEAD &&
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test_cache_tree
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'
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test_expect_success 'git-add invalidates cache-tree' '
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test_when_finished "git reset --hard; git read-tree HEAD" &&
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echo "I changed this file" >foo &&
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git add foo &&
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test_invalid_cache_tree
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'
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test_expect_success 'git-add in subdir invalidates cache-tree' '
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test_when_finished "git reset --hard; git read-tree HEAD" &&
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mkdir dirx &&
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echo "I changed this file" >dirx/foo &&
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git add dirx/foo &&
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test_invalid_cache_tree
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'
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test_expect_success 'git-add in subdir does not invalidate sibling cache-tree' '
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git tag no-children &&
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test_when_finished "git reset --hard no-children; git read-tree HEAD" &&
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mkdir dir1 dir2 &&
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test_commit dir1/a &&
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test_commit dir2/b &&
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echo "I changed this file" >dir1/a &&
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test_when_finished "rm before" &&
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cat >before <<-\EOF &&
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SHA (3 entries, 2 subtrees)
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SHA dir1/ (1 entries, 0 subtrees)
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SHA dir2/ (1 entries, 0 subtrees)
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EOF
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cmp_cache_tree before &&
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echo "I changed this file" >dir1/a &&
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git add dir1/a &&
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cat >expect <<-\EOF &&
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invalid (2 subtrees)
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invalid dir1/ (0 subtrees)
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SHA dir2/ (1 entries, 0 subtrees)
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EOF
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cmp_cache_tree expect
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'
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test_expect_success 'update-index invalidates cache-tree' '
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test_when_finished "git reset --hard; git read-tree HEAD" &&
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echo "I changed this file" >foo &&
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git update-index --add foo &&
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test_invalid_cache_tree
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'
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test_expect_success 'write-tree establishes cache-tree' '
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test-tool scrap-cache-tree &&
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git write-tree &&
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test_cache_tree
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'
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test_expect_success 'test-tool scrap-cache-tree works' '
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git read-tree HEAD &&
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test-tool scrap-cache-tree &&
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test_no_cache_tree
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'
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test_expect_success 'second commit has cache-tree' '
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test_commit bar &&
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test_cache_tree
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'
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test_expect_success PERL 'commit --interactive gives cache-tree on partial commit' '
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test_when_finished "git reset --hard" &&
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cat <<-\EOT >foo.c &&
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int foo()
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{
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return 42;
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}
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int bar()
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{
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return 42;
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}
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EOT
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git add foo.c &&
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test_invalid_cache_tree &&
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git commit -m "add a file" &&
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test_cache_tree &&
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cat <<-\EOT >foo.c &&
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int foo()
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{
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return 43;
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}
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int bar()
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{
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return 44;
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}
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EOT
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test_write_lines p 1 "" s n y q |
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git commit --interactive -m foo &&
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cat <<-\EOF >expected.status &&
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M foo.c
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EOF
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test_cache_tree expected.status
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'
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test_expect_success PERL 'commit -p with shrinking cache-tree' '
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mkdir -p deep/very-long-subdir &&
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echo content >deep/very-long-subdir/file &&
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git add deep &&
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git commit -m add &&
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git rm -r deep &&
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before=$(wc -c <.git/index) &&
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git commit -m delete -p &&
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after=$(wc -c <.git/index) &&
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# double check that the index shrank
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test $before -gt $after &&
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# and that our index was not corrupted
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git fsck
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'
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test_expect_success 'commit in child dir has cache-tree' '
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mkdir dir &&
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>dir/child.t &&
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git add dir/child.t &&
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git commit -m dir/child.t &&
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test_cache_tree
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'
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test_expect_success 'reset --hard gives cache-tree' '
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test-tool scrap-cache-tree &&
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git reset --hard &&
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test_cache_tree
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'
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test_expect_success 'reset --hard without index gives cache-tree' '
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rm -f .git/index &&
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git clean -fd &&
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git reset --hard &&
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test_cache_tree
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'
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test_expect_success 'checkout gives cache-tree' '
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git tag current &&
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git checkout HEAD^ &&
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test_cache_tree
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'
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test_expect_success 'checkout -b gives cache-tree' '
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git checkout current &&
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git checkout -b prev HEAD^ &&
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test_cache_tree
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'
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test_expect_success 'checkout -B gives cache-tree' '
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git checkout current &&
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git checkout -B prev HEAD^ &&
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test_cache_tree
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'
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test_expect_success 'merge --ff-only maintains cache-tree' '
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git checkout current &&
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git checkout -b changes &&
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test_commit llamas &&
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test_commit pachyderm &&
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test_cache_tree &&
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git checkout current &&
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test_cache_tree &&
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git merge --ff-only changes &&
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test_cache_tree
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'
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test_expect_success 'merge maintains cache-tree' '
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git checkout current &&
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git checkout -b changes2 &&
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test_commit alpacas &&
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test_cache_tree &&
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git checkout current &&
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test_commit struthio &&
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test_cache_tree &&
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git merge changes2 &&
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test_cache_tree
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'
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test_expect_success 'partial commit gives cache-tree' '
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git checkout -b partial no-children &&
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test_commit one &&
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test_commit two &&
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echo "some change" >one.t &&
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git add one.t &&
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echo "some other change" >two.t &&
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git commit two.t -m partial &&
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cat <<-\EOF >expected.status &&
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M one.t
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EOF
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test_cache_tree expected.status
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'
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test_expect_success 'no phantom error when switching trees' '
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mkdir newdir &&
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>newdir/one &&
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git add newdir/one &&
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git checkout 2>errors &&
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test_must_be_empty errors
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'
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test_expect_success 'switching trees does not invalidate shared index' '
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(
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sane_unset GIT_TEST_SPLIT_INDEX &&
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git update-index --split-index &&
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>split &&
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git add split &&
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test-tool dump-split-index .git/index | grep -v ^own >before &&
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git commit -m "as-is" &&
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test-tool dump-split-index .git/index | grep -v ^own >after &&
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test_cmp before after
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)
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'
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test_done
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