You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
60 lines
1.5 KiB
60 lines
1.5 KiB
#!/bin/sh |
|
|
|
test_description='Tests pack performance using bitmaps' |
|
. ./perf-lib.sh |
|
|
|
test_perf_large_repo |
|
|
|
# note that we do everything through config, |
|
# since we want to be able to compare bitmap-aware |
|
# git versus non-bitmap git |
|
# |
|
# We intentionally use the deprecated pack.writebitmaps |
|
# config so that we can test against older versions of git. |
|
test_expect_success 'setup bitmap config' ' |
|
git config pack.writebitmaps true && |
|
git config pack.writebitmaphashcache true |
|
' |
|
|
|
test_perf 'repack to disk' ' |
|
git repack -ad |
|
' |
|
|
|
test_perf 'simulated clone' ' |
|
git pack-objects --stdout --all </dev/null >/dev/null |
|
' |
|
|
|
test_perf 'simulated fetch' ' |
|
have=$(git rev-list HEAD~100 -1) && |
|
{ |
|
echo HEAD && |
|
echo ^$have |
|
} | git pack-objects --revs --stdout >/dev/null |
|
' |
|
|
|
test_expect_success 'create partial bitmap state' ' |
|
# pick a commit to represent the repo tip in the past |
|
cutoff=$(git rev-list HEAD~100 -1) && |
|
orig_tip=$(git rev-parse HEAD) && |
|
|
|
# now kill off all of the refs and pretend we had |
|
# just the one tip |
|
rm -rf .git/logs .git/refs/* .git/packed-refs && |
|
git update-ref HEAD $cutoff && |
|
|
|
# and then repack, which will leave us with a nice |
|
# big bitmap pack of the "old" history, and all of |
|
# the new history will be loose, as if it had been pushed |
|
# up incrementally and exploded via unpack-objects |
|
git repack -Ad && |
|
|
|
# and now restore our original tip, as if the pushes |
|
# had happened |
|
git update-ref HEAD $orig_tip |
|
' |
|
|
|
test_perf 'partial bitmap' ' |
|
git pack-objects --stdout --all </dev/null >/dev/null |
|
' |
|
|
|
test_done
|
|
|