git-commit-vandalism/t/perf/p2000-sparse-operations.sh
Victoria Dye eae937059b stash: expand sparse-checkout compatibility testing
Add tests verifying expected 'git stash' behavior in
't1092-sparse-checkout-compatibility'. These cases establish the expected
behavior of 'git stash' in a sparse-checkout and verify consistency both
with and without a sparse index. Although no sparse index compatibility has
been integrated into 'git stash' yet, the tests are all 'expect_success' -
we don't want the cone-mode sparse-checkout behavior to change depending on
whether it is using a sparse index or not. Therefore, we expect these tests
to continue passing once sparse index is integrated with 'git stash'.

Additionally, add performance test cases for 'git stash' both with and
without untracked files. Note that, unlike the other tests in
'p2000-sparse-operations.sh', the tests added for 'stash' are combination
operations. This is done to ensure the stash/unstash is not blocked by the
modification of '$SPARSE_CONE/a' performed as part of 'test_perf_on_all'.

Signed-off-by: Victoria Dye <vdye@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-05-10 16:45:12 -07:00

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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 stash && git stash pop'
test_perf_on_all 'echo >>new && git stash -u && git stash pop'
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