t0001: drop subshells just for "cd"
[git] / t / t3302-notes-index-expensive.sh
1 #!/bin/sh
2 #
3 # Copyright (c) 2007 Johannes E. Schindelin
4 #
5
6 test_description='Test commit notes index (expensive!)'
7
8 . ./test-lib.sh
9
10 test_set_prereq NOT_EXPENSIVE
11 test -n "$GIT_NOTES_TIMING_TESTS" && test_set_prereq EXPENSIVE
12 test -x /usr/bin/time && test_set_prereq USR_BIN_TIME
13
14 create_repo () {
15         number_of_commits=$1
16         nr=0
17         test -d .git || {
18         git init &&
19         (
20                 while [ $nr -lt $number_of_commits ]; do
21                         nr=$(($nr+1))
22                         mark=$(($nr+$nr))
23                         notemark=$(($mark+1))
24                         test_tick &&
25                         cat <<INPUT_END &&
26 commit refs/heads/master
27 mark :$mark
28 committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> $GIT_COMMITTER_DATE
29 data <<COMMIT
30 commit #$nr
31 COMMIT
32
33 M 644 inline file
34 data <<EOF
35 file in commit #$nr
36 EOF
37
38 blob
39 mark :$notemark
40 data <<EOF
41 note for commit #$nr
42 EOF
43
44 INPUT_END
45
46                         echo "N :$notemark :$mark" >> note_commit
47                 done &&
48                 test_tick &&
49                 cat <<INPUT_END &&
50 commit refs/notes/commits
51 committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> $GIT_COMMITTER_DATE
52 data <<COMMIT
53 notes
54 COMMIT
55
56 INPUT_END
57
58                 cat note_commit
59         ) |
60         git fast-import --quiet &&
61         git config core.notesRef refs/notes/commits
62         }
63 }
64
65 test_notes () {
66         count=$1 &&
67         git config core.notesRef refs/notes/commits &&
68         git log | grep "^    " > output &&
69         i=$count &&
70         while [ $i -gt 0 ]; do
71                 echo "    commit #$i" &&
72                 echo "    note for commit #$i" &&
73                 i=$(($i-1));
74         done > expect &&
75         test_cmp expect output
76 }
77
78 cat > time_notes << \EOF
79         mode=$1
80         i=1
81         while [ $i -lt $2 ]; do
82                 case $1 in
83                 no-notes)
84                         GIT_NOTES_REF=non-existing; export GIT_NOTES_REF
85                 ;;
86                 notes)
87                         unset GIT_NOTES_REF
88                 ;;
89                 esac
90                 git log >/dev/null
91                 i=$(($i+1))
92         done
93 EOF
94
95 time_notes () {
96         for mode in no-notes notes
97         do
98                 echo $mode
99                 /usr/bin/time "$SHELL_PATH" ../time_notes $mode $1
100         done
101 }
102
103 do_tests () {
104         pr=$1
105         count=$2
106
107         test_expect_success $pr 'setup / mkdir' '
108                 mkdir $count &&
109                 cd $count
110         '
111
112         test_expect_success $pr "setup $count" "create_repo $count"
113
114         test_expect_success $pr 'notes work' "test_notes $count"
115
116         test_expect_success USR_BIN_TIME,$pr 'notes timing with /usr/bin/time' "time_notes 100"
117
118         test_expect_success $pr 'teardown / cd ..' 'cd ..'
119 }
120
121 do_tests NOT_EXPENSIVE 10
122 for count in 100 1000 10000; do
123         do_tests EXPENSIVE $count
124 done
125
126 test_done