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
  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 3)
  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 sparse-checkout set $SPARSE_CONE &&
  47         git checkout -b wide $OLD_COMMIT &&
  48
  49         for l2 in f1 f2 f3 f4
  50         do
  51                 echo more bogus >>$SPARSE_CONE/$l2/a &&
  52                 git commit -a -m "edit $SPARSE_CONE/$l2/a" || return 1
  53         done &&
  54
  55         git -c core.sparseCheckoutCone=true clone --branch=wide --sparse . full-v3 &&
  56         (
  57                 cd full-v3 &&
  58                 git sparse-checkout init --cone &&
  59                 git sparse-checkout set $SPARSE_CONE &&
  60                 git config index.version 3 &&
  61                 git update-index --index-version=3 &&
  62                 git checkout HEAD~4
  63         ) &&
  64         git -c core.sparseCheckoutCone=true clone --branch=wide --sparse . full-v4 &&
  65         (
  66                 cd full-v4 &&
  67                 git sparse-checkout init --cone &&
  68                 git sparse-checkout set $SPARSE_CONE &&
  69                 git config index.version 4 &&
  70                 git update-index --index-version=4 &&
  71                 git checkout HEAD~4
  72         ) &&
  73         git -c core.sparseCheckoutCone=true clone --branch=wide --sparse . sparse-v3 &&
  74         (
  75                 cd sparse-v3 &&
  76                 git sparse-checkout init --cone --sparse-index &&
  77                 git sparse-checkout set $SPARSE_CONE &&
  78                 git config index.version 3 &&
  79                 git update-index --index-version=3 &&
  80                 git checkout HEAD~4
  81         ) &&
  82         git -c core.sparseCheckoutCone=true clone --branch=wide --sparse . sparse-v4 &&
  83         (
  84                 cd sparse-v4 &&
  85                 git sparse-checkout init --cone --sparse-index &&
  86                 git sparse-checkout set $SPARSE_CONE &&
  87                 git config index.version 4 &&
  88                 git update-index --index-version=4 &&
  89                 git checkout HEAD~4
  90         )
  91 '
  92
  93 test_perf_on_all () {
  94         command="$@"
  95         for repo in full-v3 full-v4 \
  96                     sparse-v3 sparse-v4
  97         do
  98                 test_perf "$command ($repo)" "
  99                         (
 100                                 cd $repo &&
 101                                 echo >>$SPARSE_CONE/a &&
 102                                 $command
 103                         )
 104                 "
 105         done
 106 }
 107
 108 test_perf_on_all git status
 109 test_perf_on_all 'git stash && git stash pop'
 110 test_perf_on_all 'echo >>new && git stash -u && git stash pop'
 111 test_perf_on_all git add -A
 112 test_perf_on_all git add .
 113 test_perf_on_all git commit -a -m A
 114 test_perf_on_all git checkout -f -
 115 test_perf_on_all "git sparse-checkout add f2/f3/f1 && git sparse-checkout set $SPARSE_CONE"
 116 test_perf_on_all git reset
 117 test_perf_on_all git reset --hard
 118 test_perf_on_all git reset -- does-not-exist
 119 test_perf_on_all git diff
 120 test_perf_on_all git diff --cached
 121 test_perf_on_all git blame $SPARSE_CONE/a
 122 test_perf_on_all git blame $SPARSE_CONE/f3/a
 123 test_perf_on_all git read-tree -mu HEAD
 124 test_perf_on_all git checkout-index -f --all
 125 test_perf_on_all git update-index --add --remove $SPARSE_CONE/a
 126 test_perf_on_all "git rm -f $SPARSE_CONE/a && git checkout HEAD -- $SPARSE_CONE/a"
 127
 128 test_done