t/perf/p2000-sparse-operations.sh

   1 #!/bin/sh
   2
   3 test_description="test performance of Git operations using the index"
   4
   5 . ./perf-lib.sh
   6
   7 test_perf_default_repo
   8
   9 SPARSE_CONE=f2/f4/f1
  10
  11 test_expect_success 'setup repo and indexes' '
  12         git reset --hard HEAD &&
  13
  14         # Remove submodules from the example repo, because our
  15         # duplication of the entire repo creates an unlikely data shape.
  16         if git config --file .gitmodules --get-regexp "submodule.*.path" >modules
  17         then
  18                 git rm $(awk "{print \$2}" modules) &&
  19                 git commit -m "remove submodules" || return 1
  20         fi &&
  21
  22         echo bogus >a &&
  23         cp a b &&
  24         git add a b &&
  25         git commit -m "level 0" &&
  26         BLOB=$(git rev-parse HEAD:a) &&
  27         OLD_COMMIT=$(git rev-parse HEAD) &&
  28         OLD_TREE=$(git rev-parse HEAD^{tree}) &&
  29
  30         for i in $(test_seq 1 4)
  31         do
  32                 cat >in <<-EOF &&
  33                         100755 blob $BLOB       a
  34                         040000 tree $OLD_TREE   f1
  35                         040000 tree $OLD_TREE   f2
  36                         040000 tree $OLD_TREE   f3
  37                         040000 tree $OLD_TREE   f4
  38                 EOF
  39                 NEW_TREE=$(git mktree <in) &&
  40                 NEW_COMMIT=$(git commit-tree $NEW_TREE -p $OLD_COMMIT -m "level $i") &&
  41                 OLD_TREE=$NEW_TREE &&
  42                 OLD_COMMIT=$NEW_COMMIT || return 1
  43         done &&
  44
  45         git sparse-checkout init --cone &&
  46         git branch -f wide $OLD_COMMIT &&
  47         git -c core.sparseCheckoutCone=true clone --branch=wide --sparse . full-index-v3 &&
  48         (
  49                 cd full-index-v3 &&
  50                 git sparse-checkout init --cone &&
  51                 git sparse-checkout set $SPARSE_CONE &&
  52                 git config index.version 3 &&
  53                 git update-index --index-version=3
  54         ) &&
  55         git -c core.sparseCheckoutCone=true clone --branch=wide --sparse . full-index-v4 &&
  56         (
  57                 cd full-index-v4 &&
  58                 git sparse-checkout init --cone &&
  59                 git sparse-checkout set $SPARSE_CONE &&
  60                 git config index.version 4 &&
  61                 git update-index --index-version=4
  62         ) &&
  63         git -c core.sparseCheckoutCone=true clone --branch=wide --sparse . sparse-index-v3 &&
  64         (
  65                 cd sparse-index-v3 &&
  66                 git sparse-checkout init --cone --sparse-index &&
  67                 git sparse-checkout set $SPARSE_CONE &&
  68                 git config index.version 3 &&
  69                 git update-index --index-version=3
  70         ) &&
  71         git -c core.sparseCheckoutCone=true clone --branch=wide --sparse . sparse-index-v4 &&
  72         (
  73                 cd sparse-index-v4 &&
  74                 git sparse-checkout init --cone --sparse-index &&
  75                 git sparse-checkout set $SPARSE_CONE &&
  76                 git config index.version 4 &&
  77                 git update-index --index-version=4
  78         )
  79 '
  80
  81 test_perf_on_all () {
  82         command="$@"
  83         for repo in full-index-v3 full-index-v4 \
  84                     sparse-index-v3 sparse-index-v4
  85         do
  86                 test_perf "$command ($repo)" "
  87                         (
  88                                 cd $repo &&
  89                                 echo >>$SPARSE_CONE/a &&
  90                                 $command
  91                         )
  92                 "
  93         done
  94 }
  95
  96 test_perf_on_all git status
  97 test_perf_on_all git add -A
  98 test_perf_on_all git add .
  99 test_perf_on_all git commit -a -m A
 100
 101 test_done