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Diffstat (limited to '')
| -rwxr-xr-x | t/t5322-pack-objects-sparse.sh | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/t/t5322-pack-objects-sparse.sh b/t/t5322-pack-objects-sparse.sh new file mode 100755 index 0000000..770695c --- /dev/null +++ b/t/t5322-pack-objects-sparse.sh @@ -0,0 +1,142 @@ +#!/bin/sh + +test_description='pack-objects object selection using sparse algorithm' +GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main +export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME + +TEST_PASSES_SANITIZE_LEAK=true +. ./test-lib.sh + +test_expect_success 'setup repo' ' + test_commit initial && + for i in $(test_seq 1 3) + do + mkdir f$i && + for j in $(test_seq 1 3) + do + mkdir f$i/f$j && + echo $j >f$i/f$j/data.txt || return 1 + done + done && + git add . && + git commit -m "Initialized trees" && + for i in $(test_seq 1 3) + do + git checkout -b topic$i main && + echo change-$i >f$i/f$i/data.txt && + git commit -a -m "Changed f$i/f$i/data.txt" || return 1 + done && + cat >packinput.txt <<-EOF && + topic1 + ^topic2 + ^topic3 + EOF + git rev-parse \ + topic1 \ + topic1^{tree} \ + topic1:f1 \ + topic1:f1/f1 \ + topic1:f1/f1/data.txt | sort >expect_objects.txt +' + +test_expect_success 'non-sparse pack-objects' ' + git pack-objects --stdout --revs --no-sparse <packinput.txt >nonsparse.pack && + git index-pack -o nonsparse.idx nonsparse.pack && + git show-index <nonsparse.idx | awk "{print \$2}" >nonsparse_objects.txt && + test_cmp expect_objects.txt nonsparse_objects.txt +' + +test_expect_success 'sparse pack-objects' ' + git pack-objects --stdout --revs --sparse <packinput.txt >sparse.pack && + git index-pack -o sparse.idx sparse.pack && + git show-index <sparse.idx | awk "{print \$2}" >sparse_objects.txt && + test_cmp expect_objects.txt sparse_objects.txt +' + +test_expect_success 'duplicate a folder from f3 and commit to topic1' ' + git checkout topic1 && + echo change-3 >f3/f3/data.txt && + git commit -a -m "Changed f3/f3/data.txt" && + git rev-parse \ + topic1~1 \ + topic1~1^{tree} \ + topic1^{tree} \ + topic1 \ + topic1:f1 \ + topic1:f1/f1 \ + topic1:f1/f1/data.txt | sort >required_objects.txt +' + +test_expect_success 'non-sparse pack-objects' ' + git pack-objects --stdout --revs --no-sparse <packinput.txt >nonsparse.pack && + git index-pack -o nonsparse.idx nonsparse.pack && + git show-index <nonsparse.idx | awk "{print \$2}" >nonsparse_objects.txt && + comm -1 -2 required_objects.txt nonsparse_objects.txt >nonsparse_required_objects.txt && + test_cmp required_objects.txt nonsparse_required_objects.txt +' + +test_expect_success 'sparse pack-objects' ' + git pack-objects --stdout --revs --sparse <packinput.txt >sparse.pack && + git index-pack -o sparse.idx sparse.pack && + git show-index <sparse.idx | awk "{print \$2}" >sparse_objects.txt && + comm -1 -2 required_objects.txt sparse_objects.txt >sparse_required_objects.txt && + test_cmp required_objects.txt sparse_required_objects.txt +' + +# Demonstrate that the algorithms differ when we copy a tree wholesale +# from one folder to another. + +test_expect_success 'duplicate a folder from f1 into f3' ' + mkdir f3/f4 && + cp -r f1/f1/* f3/f4 && + git add f3/f4 && + git commit -m "Copied f1/f1 to f3/f4" && + cat >packinput.txt <<-EOF && + topic1 + ^topic1~1 + EOF + git rev-parse \ + topic1 \ + topic1^{tree} \ + topic1:f3 | sort >required_objects.txt +' + +test_expect_success 'non-sparse pack-objects' ' + git pack-objects --stdout --revs --no-sparse <packinput.txt >nonsparse.pack && + git index-pack -o nonsparse.idx nonsparse.pack && + git show-index <nonsparse.idx | awk "{print \$2}" >nonsparse_objects.txt && + comm -1 -2 required_objects.txt nonsparse_objects.txt >nonsparse_required_objects.txt && + test_cmp required_objects.txt nonsparse_required_objects.txt +' + +# --sparse is enabled by default by pack.useSparse +test_expect_success 'sparse pack-objects' ' + GIT_TEST_PACK_SPARSE=-1 && + git rev-parse \ + topic1 \ + topic1^{tree} \ + topic1:f3 \ + topic1:f3/f4 \ + topic1:f3/f4/data.txt | sort >expect_sparse_objects.txt && + git pack-objects --stdout --revs <packinput.txt >sparse.pack && + git index-pack -o sparse.idx sparse.pack && + git show-index <sparse.idx | awk "{print \$2}" >sparse_objects.txt && + test_cmp expect_sparse_objects.txt sparse_objects.txt +' + +test_expect_success 'pack.useSparse enables algorithm' ' + git config pack.useSparse true && + git pack-objects --stdout --revs <packinput.txt >sparse.pack && + git index-pack -o sparse.idx sparse.pack && + git show-index <sparse.idx | awk "{print \$2}" >sparse_objects.txt && + test_cmp expect_sparse_objects.txt sparse_objects.txt +' + +test_expect_success 'pack.useSparse overridden' ' + git pack-objects --stdout --revs --no-sparse <packinput.txt >sparse.pack && + git index-pack -o sparse.idx sparse.pack && + git show-index <sparse.idx | awk "{print \$2}" >sparse_objects.txt && + test_cmp required_objects.txt sparse_objects.txt +' + +test_done |