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 tag -a v1.0 -m "Final" &&
  47         git sparse-checkout set $SPARSE_CONE &&
  48         git checkout -b wide $OLD_COMMIT &&
  49
  50         for l2 in f1 f2 f3 f4
  51         do
  52                 echo more bogus >>$SPARSE_CONE/$l2/a &&
  53                 git commit -a -m "edit $SPARSE_CONE/$l2/a" || return 1
  54         done &&
  55
  56         git -c core.sparseCheckoutCone=true clone --branch=wide --sparse . full-v3 &&
  57         (
  58                 cd full-v3 &&
  59                 git sparse-checkout init --cone &&
  60                 git sparse-checkout set $SPARSE_CONE &&
  61                 git config index.version 3 &&
  62                 git update-index --index-version=3 &&
  63                 git checkout HEAD~4
  64         ) &&
  65         git -c core.sparseCheckoutCone=true clone --branch=wide --sparse . full-v4 &&
  66         (
  67                 cd full-v4 &&
  68                 git sparse-checkout init --cone &&
  69                 git sparse-checkout set $SPARSE_CONE &&
  70                 git config index.version 4 &&
  71                 git update-index --index-version=4 &&
  72                 git checkout HEAD~4
  73         ) &&
  74         git -c core.sparseCheckoutCone=true clone --branch=wide --sparse . sparse-v3 &&
  75         (
  76                 cd sparse-v3 &&
  77                 git sparse-checkout init --cone --sparse-index &&
  78                 git sparse-checkout set $SPARSE_CONE &&
  79                 git config index.version 3 &&
  80                 git update-index --index-version=3 &&
  81                 git checkout HEAD~4
  82         ) &&
  83         git -c core.sparseCheckoutCone=true clone --branch=wide --sparse . sparse-v4 &&
  84         (
  85                 cd sparse-v4 &&
  86                 git sparse-checkout init --cone --sparse-index &&
  87                 git sparse-checkout set $SPARSE_CONE &&
  88                 git config index.version 4 &&
  89                 git update-index --index-version=4 &&
  90                 git checkout HEAD~4
  91         )
  92 '
  93
  94 test_perf_on_all () {
  95         command="$@"
  96         for repo in full-v3 full-v4 \
  97                     sparse-v3 sparse-v4
  98         do
  99                 test_perf "$command ($repo)" "
 100                         (
 101                                 cd $repo &&
 102                                 echo >>$SPARSE_CONE/a &&
 103                                 $command
 104                         )
 105                 "
 106         done
 107 }
 108
 109 test_perf_on_all git status
 110 test_perf_on_all 'git stash && git stash pop'
 111 test_perf_on_all 'echo >>new && git stash -u && git stash pop'
 112 test_perf_on_all git add -A
 113 test_perf_on_all git add .
 114 test_perf_on_all git commit -a -m A
 115 test_perf_on_all git checkout -f -
 116 test_perf_on_all "git sparse-checkout add f2/f3/f1 && git sparse-checkout set $SPARSE_CONE"
 117 test_perf_on_all git reset
 118 test_perf_on_all git reset --hard
 119 test_perf_on_all git reset -- does-not-exist
 120 test_perf_on_all git diff
 121 test_perf_on_all git diff --cached
 122 test_perf_on_all git blame $SPARSE_CONE/a
 123 test_perf_on_all git blame $SPARSE_CONE/f3/a
 124 test_perf_on_all git read-tree -mu HEAD
 125 test_perf_on_all git checkout-index -f --all
 126 test_perf_on_all git update-index --add --remove $SPARSE_CONE/a
 127 test_perf_on_all "git rm -f $SPARSE_CONE/a && git checkout HEAD -- $SPARSE_CONE/a"
 128 test_perf_on_all git grep --cached bogus -- "f2/f1/f1/*"
 129 test_perf_on_all git write-tree
 130 test_perf_on_all git describe --dirty
 131 test_perf_on_all 'echo >>new && git describe --dirty'
 132 test_perf_on_all git diff-files
 133 test_perf_on_all git diff-files -- $SPARSE_CONE/a
 134 test_perf_on_all git diff-tree HEAD
 135 test_perf_on_all git diff-tree HEAD -- $SPARSE_CONE/a
 136 test_perf_on_all "git worktree add ../temp && git worktree remove ../temp"
 137 test_perf_on_all git check-attr -a -- $SPARSE_CONE/a
 138
 139 test_done