t/t5322-pack-objects-sparse.sh

   1 #!/bin/sh
   2
   3 test_description='pack-objects object selection using sparse algorithm'
   4 GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
   5 export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
   6
   7 TEST_PASSES_SANITIZE_LEAK=true
   8 . ./test-lib.sh
   9
  10 test_expect_success 'setup repo' '
  11         test_commit initial &&
  12         for i in $(test_seq 1 3)
  13         do
  14                 mkdir f$i &&
  15                 for j in $(test_seq 1 3)
  16                 do
  17                         mkdir f$i/f$j &&
  18                         echo $j >f$i/f$j/data.txt || return 1
  19                 done
  20         done &&
  21         git add . &&
  22         git commit -m "Initialized trees" &&
  23         for i in $(test_seq 1 3)
  24         do
  25                 git checkout -b topic$i main &&
  26                 echo change-$i >f$i/f$i/data.txt &&
  27                 git commit -a -m "Changed f$i/f$i/data.txt" || return 1
  28         done &&
  29         cat >packinput.txt <<-EOF &&
  30         topic1
  31         ^topic2
  32         ^topic3
  33         EOF
  34         git rev-parse                   \
  35                 topic1                  \
  36                 topic1^{tree}           \
  37                 topic1:f1               \
  38                 topic1:f1/f1            \
  39                 topic1:f1/f1/data.txt | sort >expect_objects.txt
  40 '
  41
  42 test_expect_success 'non-sparse pack-objects' '
  43         git pack-objects --stdout --revs --no-sparse <packinput.txt >nonsparse.pack &&
  44         git index-pack -o nonsparse.idx nonsparse.pack &&
  45         git show-index <nonsparse.idx | awk "{print \$2}" >nonsparse_objects.txt &&
  46         test_cmp expect_objects.txt nonsparse_objects.txt
  47 '
  48
  49 test_expect_success 'sparse pack-objects' '
  50         git pack-objects --stdout --revs --sparse <packinput.txt >sparse.pack &&
  51         git index-pack -o sparse.idx sparse.pack &&
  52         git show-index <sparse.idx | awk "{print \$2}" >sparse_objects.txt &&
  53         test_cmp expect_objects.txt sparse_objects.txt
  54 '
  55
  56 test_expect_success 'duplicate a folder from f3 and commit to topic1' '
  57         git checkout topic1 &&
  58         echo change-3 >f3/f3/data.txt &&
  59         git commit -a -m "Changed f3/f3/data.txt" &&
  60         git rev-parse                   \
  61                 topic1~1                \
  62                 topic1~1^{tree}         \
  63                 topic1^{tree}           \
  64                 topic1                  \
  65                 topic1:f1               \
  66                 topic1:f1/f1            \
  67                 topic1:f1/f1/data.txt | sort >required_objects.txt
  68 '
  69
  70 test_expect_success 'non-sparse pack-objects' '
  71         git pack-objects --stdout --revs --no-sparse <packinput.txt >nonsparse.pack &&
  72         git index-pack -o nonsparse.idx nonsparse.pack &&
  73         git show-index <nonsparse.idx | awk "{print \$2}" >nonsparse_objects.txt &&
  74         comm -1 -2 required_objects.txt nonsparse_objects.txt >nonsparse_required_objects.txt &&
  75         test_cmp required_objects.txt nonsparse_required_objects.txt
  76 '
  77
  78 test_expect_success 'sparse pack-objects' '
  79         git pack-objects --stdout --revs --sparse <packinput.txt >sparse.pack &&
  80         git index-pack -o sparse.idx sparse.pack &&
  81         git show-index <sparse.idx | awk "{print \$2}" >sparse_objects.txt &&
  82         comm -1 -2 required_objects.txt sparse_objects.txt >sparse_required_objects.txt &&
  83         test_cmp required_objects.txt sparse_required_objects.txt
  84 '
  85
  86 # Demonstrate that the algorithms differ when we copy a tree wholesale
  87 # from one folder to another.
  88
  89 test_expect_success 'duplicate a folder from f1 into f3' '
  90         mkdir f3/f4 &&
  91         cp -r f1/f1/* f3/f4 &&
  92         git add f3/f4 &&
  93         git commit -m "Copied f1/f1 to f3/f4" &&
  94         cat >packinput.txt <<-EOF &&
  95         topic1
  96         ^topic1~1
  97         EOF
  98         git rev-parse           \
  99                 topic1          \
 100                 topic1^{tree}   \
 101                 topic1:f3 | sort >required_objects.txt
 102 '
 103
 104 test_expect_success 'non-sparse pack-objects' '
 105         git pack-objects --stdout --revs --no-sparse <packinput.txt >nonsparse.pack &&
 106         git index-pack -o nonsparse.idx nonsparse.pack &&
 107         git show-index <nonsparse.idx | awk "{print \$2}" >nonsparse_objects.txt &&
 108         comm -1 -2 required_objects.txt nonsparse_objects.txt >nonsparse_required_objects.txt &&
 109         test_cmp required_objects.txt nonsparse_required_objects.txt
 110 '
 111
 112 # --sparse is enabled by default by pack.useSparse
 113 test_expect_success 'sparse pack-objects' '
 114         GIT_TEST_PACK_SPARSE=-1 &&
 115         git rev-parse                   \
 116                 topic1                  \
 117                 topic1^{tree}           \
 118                 topic1:f3               \
 119                 topic1:f3/f4            \
 120                 topic1:f3/f4/data.txt | sort >expect_sparse_objects.txt &&
 121         git pack-objects --stdout --revs <packinput.txt >sparse.pack &&
 122         git index-pack -o sparse.idx sparse.pack &&
 123         git show-index <sparse.idx | awk "{print \$2}" >sparse_objects.txt &&
 124         test_cmp expect_sparse_objects.txt sparse_objects.txt
 125 '
 126
 127 test_expect_success 'pack.useSparse enables algorithm' '
 128         git config pack.useSparse true &&
 129         git pack-objects --stdout --revs <packinput.txt >sparse.pack &&
 130         git index-pack -o sparse.idx sparse.pack &&
 131         git show-index <sparse.idx | awk "{print \$2}" >sparse_objects.txt &&
 132         test_cmp expect_sparse_objects.txt sparse_objects.txt
 133 '
 134
 135 test_expect_success 'pack.useSparse overridden' '
 136         git pack-objects --stdout --revs --no-sparse <packinput.txt >sparse.pack &&
 137         git index-pack -o sparse.idx sparse.pack &&
 138         git show-index <sparse.idx | awk "{print \$2}" >sparse_objects.txt &&
 139         test_cmp required_objects.txt sparse_objects.txt
 140 '
 141
 142 test_done