#!/bin/sh test_description='performance of fetches from bitmapped packs' . ./perf-lib.sh test_perf_default_repo test_expect_success 'create bitmapped server repo' ' git config pack.writebitmaps true && git config pack.writebitmaphashcache true && git repack -ad ' # simulate a fetch from a repository that last fetched N days ago, for # various values of N. We do so by following the first-parent chain, # and assume the first entry in the chain that is N days older than the current # HEAD is where the HEAD would have been then. for days in 1 2 4 8 16 32 64 128; do title=$(printf '%10s' "($days days)") test_expect_success "setup revs from $days days ago" ' now=$(git log -1 --format=%ct HEAD) && then=$(($now - ($days * 86400))) && tip=$(git rev-list -1 --first-parent --until=$then HEAD) && { echo HEAD && echo ^$tip } >revs ' test_perf "server $title" ' git pack-objects --stdout --revs \ --thin --delta-base-offset \ <revs >tmp.pack ' test_size "size $title" ' wc -c <tmp.pack ' test_perf "client $title" ' git index-pack --stdin --fix-thin <tmp.pack ' done test_done