notmuch/performance-test/T00-new.sh
David Bremner 892f4e65ae perf-test/T00-new: fix backup creation.
"xargs tar cf backup.tar < $manifest" recreates the tar file with each
"batch" execed by xargs. In general this results in only a fraction of
the desired files being backed up.
2021-05-19 08:39:58 -03:00

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#!/usr/bin/env bash
test_description='notmuch new'
. $(dirname "$0")/perf-test-lib.sh || exit 1
uncache_database
time_start
manifest=$(mktemp manifestXXXXXX)
find mail -type f ! -path 'mail/.notmuch/*' | sed -n '1~4 p' > $manifest
xargs tar uf backup.tar < $manifest
for i in $(seq 2 6); do
time_run "notmuch new #$i" 'notmuch new'
done
# arithmetic context is to eat extra whitespace on e.g. some BSDs
count=$((`wc -l < $manifest`))
perl -nle 'rename $_, "$_.renamed"' $manifest
time_run "new ($count mv)" 'notmuch new'
perl -nle 'rename "$_.renamed", $_' $manifest
time_run "new ($count mv back)" 'notmuch new'
perl -nle 'unlink $_; unlink $_.copy' $manifest
time_run "new ($count rm)" 'notmuch new'
tar xf backup.tar
time_run "new ($count restore)" 'notmuch new'
perl -nle 'link $_, "$_.copy"' $manifest
time_run "new ($count cp)" 'notmuch new'
time_done