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test_description='basic tests of rev-list --disk-usage'
. ./
# we want a mix of reachable and unreachable, as well as
# objects in the bitmapped pack and some outside of it
test_expect_success 'set up repository' '
test_commit --no-tag one &&
test_commit --no-tag two &&
git repack -adb &&
git reset --hard HEAD^ &&
test_commit --no-tag three &&
test_commit --no-tag four &&
git reset --hard HEAD^
# We don't want to hardcode sizes, because they depend on the exact details of
# packing, zlib, etc. We'll assume that the regular rev-list and cat-file
# machinery works and compare the --disk-usage output to that.
disk_usage_slow () {
git rev-list --no-object-names "$@" |
git cat-file --batch-check="%(objectsize:disk)" |
perl -lne '$total += $_; END { print $total}'
# check behavior with given rev-list options; note that
# whitespace is not preserved in args
check_du () {
test_expect_success "generate expected size ($args)" "
disk_usage_slow $args >expect
test_expect_success "rev-list --disk-usage without bitmaps ($args)" "
git rev-list --disk-usage $args >actual &&
test_cmp expect actual
test_expect_success "rev-list --disk-usage with bitmaps ($args)" "
git rev-list --disk-usage --use-bitmap-index $args >actual &&
test_cmp expect actual
check_du HEAD
check_du --objects HEAD
check_du --objects HEAD^..HEAD