p0006-read-tree-checkout.sh [plain text]
#!/bin/sh
test_description="Tests performance of read-tree"
. ./perf-lib.sh
test_perf_default_repo
test_expect_success "setup repo" '
if git rev-parse --verify refs/heads/p0006-ballast^{commit}
then
echo Assuming synthetic repo from many-files.sh
git branch br_base master
git branch br_ballast p0006-ballast^
git branch br_ballast_alias p0006-ballast^
git branch br_ballast_plus_1 p0006-ballast
git config --local core.sparsecheckout 1
cat >.git/info/sparse-checkout <<-EOF
/*
!ballast/*
EOF
else
echo Assuming non-synthetic repo...
git branch br_base $(git rev-list HEAD | tail -n 1)
git branch br_ballast HEAD^ || error "no ancestor commit from current head"
git branch br_ballast_alias HEAD^
git branch br_ballast_plus_1 HEAD
fi &&
git checkout -q br_ballast &&
nr_files=$(git ls-files | wc -l)
'
test_perf "read-tree br_base br_ballast ($nr_files)" '
git read-tree -m br_base br_ballast -n
'
test_perf "switch between br_base br_ballast ($nr_files)" '
git checkout -q br_base &&
git checkout -q br_ballast
'
test_perf "switch between br_ballast br_ballast_plus_1 ($nr_files)" '
git checkout -q br_ballast_plus_1 &&
git checkout -q br_ballast
'
test_perf "switch between aliases ($nr_files)" '
git checkout -q br_ballast_alias &&
git checkout -q br_ballast
'
test_done