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#!/bin/sh
test_description="test performance of Git operations using the index"
. ./perf-lib.sh
test_perf_default_repo
SPARSE_CONE=f2/f4
test_expect_success 'setup repo and indexes' '
git reset --hard HEAD &&
# Remove submodules from the example repo, because our
# duplication of the entire repo creates an unlikely data shape.
if git config --file .gitmodules --get-regexp "submodule.*.path" >modules
then
git rm $(awk "{print \$2}" modules) &&
git commit -m "remove submodules" || return 1
fi &&
echo bogus >a &&
cp a b &&
git add a b &&
git commit -m "level 0" &&
BLOB=$(git rev-parse HEAD:a) &&
OLD_COMMIT=$(git rev-parse HEAD) &&
OLD_TREE=$(git rev-parse HEAD^{tree}) &&
for i in $(test_seq 1 3)
do
cat >in <<-EOF &&
100755 blob $BLOB a
040000 tree $OLD_TREE f1
040000 tree $OLD_TREE f2
040000 tree $OLD_TREE f3
040000 tree $OLD_TREE f4
EOF
NEW_TREE=$(git mktree <in) &&
NEW_COMMIT=$(git commit-tree $NEW_TREE -p $OLD_COMMIT -m "level $i") &&
OLD_TREE=$NEW_TREE &&
OLD_COMMIT=$NEW_COMMIT || return 1
done &&
git sparse-checkout init --cone &&
git sparse-checkout set $SPARSE_CONE &&
git checkout -b wide $OLD_COMMIT &&
for l2 in f1 f2 f3 f4
do
echo more bogus >>$SPARSE_CONE/$l2/a &&
git commit -a -m "edit $SPARSE_CONE/$l2/a" || return 1
done &&
git -c core.sparseCheckoutCone=true clone --branch=wide --sparse . full-v3 &&
(
cd full-v3 &&
git sparse-checkout init --cone &&
git sparse-checkout set $SPARSE_CONE &&
git config index.version 3 &&
git update-index --index-version=3 &&
git checkout HEAD~4
) &&
git -c core.sparseCheckoutCone=true clone --branch=wide --sparse . full-v4 &&
(
cd full-v4 &&
git sparse-checkout init --cone &&
git sparse-checkout set $SPARSE_CONE &&
git config index.version 4 &&
git update-index --index-version=4 &&
git checkout HEAD~4
) &&
git -c core.sparseCheckoutCone=true clone --branch=wide --sparse . sparse-v3 &&
(
cd sparse-v3 &&
git sparse-checkout init --cone --sparse-index &&
git sparse-checkout set $SPARSE_CONE &&
git config index.version 3 &&
git update-index --index-version=3 &&
git checkout HEAD~4
) &&
git -c core.sparseCheckoutCone=true clone --branch=wide --sparse . sparse-v4 &&
(
cd sparse-v4 &&
git sparse-checkout init --cone --sparse-index &&
git sparse-checkout set $SPARSE_CONE &&
git config index.version 4 &&
git update-index --index-version=4 &&
git checkout HEAD~4
)
'
test_perf_on_all () {
command="$@"
for repo in full-v3 full-v4 \
sparse-v3 sparse-v4
do
test_perf "$command ($repo)" "
(
cd $repo &&
echo >>$SPARSE_CONE/a &&
$command
)
"
done
}
test_perf_on_all git status
test_perf_on_all git add -A
test_perf_on_all git add .
test_perf_on_all git commit -a -m A
test_perf_on_all git checkout -f -
test_perf_on_all git reset
test_perf_on_all git reset --hard
test_perf_on_all git reset -- does-not-exist
test_perf_on_all git diff
test_perf_on_all git diff --cached
test_perf_on_all git blame $SPARSE_CONE/a
test_perf_on_all git blame $SPARSE_CONE/f3/a
test_perf_on_all git read-tree -mu HEAD
test_perf_on_all git checkout-index -f --all
test_perf_on_all git update-index --add --remove $SPARSE_CONE/a
test_done
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