t/t5322-pack-objects-sparse.sh

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