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Create a test variable GIT_TEST_PACK_SPARSE to enable the sparse object walk algorithm by default during the test suite. Enabling this variable ensures coverage in many interesting cases, such as shallow clones, partial clones, and missing objects. Signed-off-by: Derrick Stolee <dstolee@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
136 lines
4.2 KiB
Bash
Executable file
136 lines
4.2 KiB
Bash
Executable file
#!/bin/sh
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test_description='pack-objects object selection using sparse algorithm'
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. ./test-lib.sh
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test_expect_success 'setup repo' '
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test_commit initial &&
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for i in $(test_seq 1 3)
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do
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mkdir f$i &&
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for j in $(test_seq 1 3)
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do
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mkdir f$i/f$j &&
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echo $j >f$i/f$j/data.txt
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done
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done &&
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git add . &&
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git commit -m "Initialized trees" &&
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for i in $(test_seq 1 3)
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do
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git checkout -b topic$i master &&
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echo change-$i >f$i/f$i/data.txt &&
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git commit -a -m "Changed f$i/f$i/data.txt"
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done &&
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cat >packinput.txt <<-EOF &&
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topic1
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^topic2
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^topic3
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EOF
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git rev-parse \
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topic1 \
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topic1^{tree} \
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topic1:f1 \
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topic1:f1/f1 \
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topic1:f1/f1/data.txt | sort >expect_objects.txt
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'
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test_expect_success 'non-sparse pack-objects' '
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git pack-objects --stdout --revs --no-sparse <packinput.txt >nonsparse.pack &&
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git index-pack -o nonsparse.idx nonsparse.pack &&
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git show-index <nonsparse.idx | awk "{print \$2}" >nonsparse_objects.txt &&
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test_cmp expect_objects.txt nonsparse_objects.txt
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'
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test_expect_success 'sparse pack-objects' '
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git pack-objects --stdout --revs --sparse <packinput.txt >sparse.pack &&
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git index-pack -o sparse.idx sparse.pack &&
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git show-index <sparse.idx | awk "{print \$2}" >sparse_objects.txt &&
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test_cmp expect_objects.txt sparse_objects.txt
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'
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test_expect_success 'duplicate a folder from f3 and commit to topic1' '
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git checkout topic1 &&
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echo change-3 >f3/f3/data.txt &&
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git commit -a -m "Changed f3/f3/data.txt" &&
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git rev-parse \
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topic1~1 \
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topic1~1^{tree} \
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topic1^{tree} \
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topic1 \
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topic1:f1 \
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topic1:f1/f1 \
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topic1:f1/f1/data.txt | sort >required_objects.txt
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'
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test_expect_success 'non-sparse pack-objects' '
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git pack-objects --stdout --revs --no-sparse <packinput.txt >nonsparse.pack &&
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git index-pack -o nonsparse.idx nonsparse.pack &&
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git show-index <nonsparse.idx | awk "{print \$2}" >nonsparse_objects.txt &&
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comm -1 -2 required_objects.txt nonsparse_objects.txt >nonsparse_required_objects.txt &&
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test_cmp required_objects.txt nonsparse_required_objects.txt
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'
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test_expect_success 'sparse pack-objects' '
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git pack-objects --stdout --revs --sparse <packinput.txt >sparse.pack &&
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git index-pack -o sparse.idx sparse.pack &&
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git show-index <sparse.idx | awk "{print \$2}" >sparse_objects.txt &&
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comm -1 -2 required_objects.txt sparse_objects.txt >sparse_required_objects.txt &&
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test_cmp required_objects.txt sparse_required_objects.txt
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'
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# Demonstrate that the algorithms differ when we copy a tree wholesale
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# from one folder to another.
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test_expect_success 'duplicate a folder from f1 into f3' '
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mkdir f3/f4 &&
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cp -r f1/f1/* f3/f4 &&
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git add f3/f4 &&
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git commit -m "Copied f1/f1 to f3/f4" &&
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cat >packinput.txt <<-EOF &&
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topic1
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^topic1~1
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EOF
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git rev-parse \
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topic1 \
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topic1^{tree} \
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topic1:f3 | sort >required_objects.txt
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'
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test_expect_success 'non-sparse pack-objects' '
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git pack-objects --stdout --revs --no-sparse <packinput.txt >nonsparse.pack &&
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git index-pack -o nonsparse.idx nonsparse.pack &&
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git show-index <nonsparse.idx | awk "{print \$2}" >nonsparse_objects.txt &&
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comm -1 -2 required_objects.txt nonsparse_objects.txt >nonsparse_required_objects.txt &&
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test_cmp required_objects.txt nonsparse_required_objects.txt
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'
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test_expect_success 'sparse pack-objects' '
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git rev-parse \
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topic1 \
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topic1^{tree} \
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topic1:f3 \
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topic1:f3/f4 \
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topic1:f3/f4/data.txt | sort >expect_sparse_objects.txt &&
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git pack-objects --stdout --revs --sparse <packinput.txt >sparse.pack &&
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git index-pack -o sparse.idx sparse.pack &&
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git show-index <sparse.idx | awk "{print \$2}" >sparse_objects.txt &&
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test_cmp expect_sparse_objects.txt sparse_objects.txt
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'
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test_expect_success 'pack.useSparse enables algorithm' '
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git config pack.useSparse true &&
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git pack-objects --stdout --revs <packinput.txt >sparse.pack &&
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git index-pack -o sparse.idx sparse.pack &&
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git show-index <sparse.idx | awk "{print \$2}" >sparse_objects.txt &&
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test_cmp expect_sparse_objects.txt sparse_objects.txt
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'
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test_expect_success 'pack.useSparse overridden' '
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git pack-objects --stdout --revs --no-sparse <packinput.txt >sparse.pack &&
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git index-pack -o sparse.idx sparse.pack &&
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git show-index <sparse.idx | awk "{print \$2}" >sparse_objects.txt &&
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test_cmp required_objects.txt sparse_objects.txt
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'
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test_done
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