Merge branch 'jk/sha1dc'
[git] / t / perf / p4220-log-grep-engines.sh
1 #!/bin/sh
2
3 test_description="Comparison of git-log's --grep regex engines
4
5 Set GIT_PERF_4220_LOG_OPTS in the environment to pass options to
6 git-grep. Make sure to include a leading space,
7 e.g. GIT_PERF_4220_LOG_OPTS=' -i'. Some options to try:
8
9         -i
10         --invert-grep
11         -i --invert-grep
12 "
13
14 . ./perf-lib.sh
15
16 test_perf_large_repo
17 test_checkout_worktree
18
19 for pattern in \
20         'how.to' \
21         '^how to' \
22         '[how] to' \
23         '\(e.t[^ ]*\|v.ry\) rare' \
24         'm\(ú\|u\)lt.b\(æ\|y\)te'
25 do
26         for engine in basic extended perl
27         do
28                 if test $engine != "basic"
29                 then
30                         # Poor man's basic -> extended converter.
31                         pattern=$(echo $pattern | sed 's/\\//g')
32                 fi
33                 if test $engine = "perl" && ! test_have_prereq PCRE
34                 then
35                         prereq="PCRE"
36                 else
37                         prereq=""
38                 fi
39                 test_perf $prereq "$engine log$GIT_PERF_4220_LOG_OPTS --grep='$pattern'" "
40                         git -c grep.patternType=$engine log --pretty=format:%h$GIT_PERF_4220_LOG_OPTS --grep='$pattern' >'out.$engine' || :
41                 "
42         done
43
44         test_expect_success "assert that all engines found the same for$GIT_PERF_4220_LOG_OPTS '$pattern'" '
45                 test_cmp out.basic out.extended &&
46                 if test_have_prereq PCRE
47                 then
48                         test_cmp out.basic out.perl
49                 fi
50         '
51 done
52
53 test_done