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https://github.com/git/git.git
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aecf567cbf
When git checkout checks out a branch, create or update the cache-tree so that subsequent operations are faster. update_main_cache_tree learned a new flag, WRITE_TREE_REPAIR. When WRITE_TREE_REPAIR is set, portions of the cache-tree which do not correspond to existing tree objects are invalidated (and portions which do are marked as valid). No new tree objects are created. Signed-off-by: David Turner <dturner@twitter.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
107 lines
2.4 KiB
Bash
Executable File
107 lines
2.4 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-dump-cache-tree >actual &&
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sed "s/$_x40/SHA/" <actual >filtered &&
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test_cmp "$1" filtered
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}
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# We don't bother with actually checking the SHA1:
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# test-dump-cache-tree already verifies that all existing data is
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# correct.
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test_shallow_cache_tree () {
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printf "SHA (%d entries, 0 subtrees)\n" $(git ls-files|wc -l) >expect &&
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cmp_cache_tree expect
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}
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test_invalid_cache_tree () {
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echo "invalid (0 subtrees)" >expect &&
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printf "SHA #(ref) (%d entries, 0 subtrees)\n" $(git ls-files|wc -l) >>expect &&
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cmp_cache_tree expect
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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_failure 'initial commit has cache-tree' '
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test_commit foo &&
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test_shallow_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_shallow_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 '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-scrap-cache-tree &&
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git write-tree &&
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test_shallow_cache_tree
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'
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test_expect_success 'test-scrap-cache-tree works' '
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git read-tree HEAD &&
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test-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_shallow_cache_tree
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'
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test_expect_success 'reset --hard gives cache-tree' '
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test-scrap-cache-tree &&
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git reset --hard &&
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test_shallow_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 reset --hard &&
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test_shallow_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_shallow_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_shallow_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_shallow_cache_tree
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'
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test_done
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