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string-list: use ALLOC_GROW macro when reallocing string_list
[thirdparty/git.git] / t / perf / p0005-status.sh
1 #!/bin/sh
2 #
3 # This test measures the performance of various read-tree
4 # and status operations. It is primarily interested in
5 # the algorithmic costs of index operations and recursive
6 # tree traversal -- and NOT disk I/O on thousands of files.
7
8 test_description="Tests performance of read-tree"
9
10 . ./perf-lib.sh
11
12 test_perf_default_repo
13
14 # If the test repo was generated by ./repos/many-files.sh
15 # then we know something about the data shape and branches,
16 # so we can isolate testing to the ballast-related commits
17 # and setup sparse-checkout so we don't have to populate
18 # the ballast files and directories.
19 #
20 # Otherwise, we make some general assumptions about the
21 # repo and consider the entire history of the current
22 # branch to be the ballast.
23
24 test_expect_success "setup repo" '
25 if git rev-parse --verify refs/heads/p0006-ballast^{commit}
26 then
27 echo Assuming synthetic repo from many-files.sh
28 git branch br_base master
29 git branch br_ballast p0006-ballast
30 git config --local core.sparsecheckout 1
31 cat >.git/info/sparse-checkout <<-EOF
32 /*
33 !ballast/*
34 EOF
35 else
36 echo Assuming non-synthetic repo...
37 git branch br_base $(git rev-list HEAD | tail -n 1)
38 git branch br_ballast HEAD
39 fi &&
40 git checkout -q br_ballast &&
41 nr_files=$(git ls-files | wc -l)
42 '
43
44 test_perf "read-tree status br_ballast ($nr_files)" '
45 git read-tree HEAD &&
46 git status
47 '
48
49 test_done