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#!/bin/sh
test_description='pack-objects object selection using sparse algorithm'
. ./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
done
done &&
git add . &&
git commit -m "Initialized trees" &&
for i in $(test_seq 1 3)
do
git checkout -b topic$i master &&
echo change-$i >f$i/f$i/data.txt &&
git commit -a -m "Changed f$i/f$i/data.txt"
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
'
test_expect_success 'sparse pack-objects' '
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 --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_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
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