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