git am: ignore dirty submodules
[git/mingw/4msysgit/kblees.git] / t / t7006-pager.sh
bloba6f3677731af38293e4bbae2b14e46d7e3a9107e
1 #!/bin/sh
3 test_description='Test automatic use of a pager.'
5 . ./test-lib.sh
7 cleanup_fail() {
8 echo >&2 cleanup failed
9 (exit 1)
12 test_expect_success 'set up terminal for tests' '
13 rm -f stdout_is_tty ||
14 cleanup_fail &&
16 if test -t 1
17 then
18 >stdout_is_tty
19 elif
20 test_have_prereq PERL &&
21 "$PERL_PATH" "$TEST_DIRECTORY"/t7006/test-terminal.perl \
22 sh -c "test -t 1"
23 then
24 >test_terminal_works
28 if test -e stdout_is_tty
29 then
30 test_terminal() { "$@"; }
31 test_set_prereq TTY
32 elif test -e test_terminal_works
33 then
34 test_terminal() {
35 "$PERL_PATH" "$TEST_DIRECTORY"/t7006/test-terminal.perl "$@"
37 test_set_prereq TTY
38 else
39 say no usable terminal, so skipping some tests
42 test_expect_success 'setup' '
43 unset GIT_PAGER GIT_PAGER_IN_USE;
44 test_might_fail git config --unset core.pager &&
46 PAGER="cat >paginated.out" &&
47 export PAGER &&
49 test_commit initial
52 test_expect_success TTY 'some commands use a pager' '
53 rm -f paginated.out ||
54 cleanup_fail &&
56 test_terminal git log &&
57 test -e paginated.out
60 test_expect_success TTY 'some commands do not use a pager' '
61 rm -f paginated.out ||
62 cleanup_fail &&
64 test_terminal git rev-list HEAD &&
65 ! test -e paginated.out
68 test_expect_success 'no pager when stdout is a pipe' '
69 rm -f paginated.out ||
70 cleanup_fail &&
72 git log | cat &&
73 ! test -e paginated.out
76 test_expect_success 'no pager when stdout is a regular file' '
77 rm -f paginated.out ||
78 cleanup_fail &&
80 git log >file &&
81 ! test -e paginated.out
84 test_expect_success TTY 'git --paginate rev-list uses a pager' '
85 rm -f paginated.out ||
86 cleanup_fail &&
88 test_terminal git --paginate rev-list HEAD &&
89 test -e paginated.out
92 test_expect_success 'no pager even with --paginate when stdout is a pipe' '
93 rm -f file paginated.out ||
94 cleanup_fail &&
96 git --paginate log | cat &&
97 ! test -e paginated.out
100 test_expect_success TTY 'no pager with --no-pager' '
101 rm -f paginated.out ||
102 cleanup_fail &&
104 test_terminal git --no-pager log &&
105 ! test -e paginated.out
108 # A colored commit log will begin with an appropriate ANSI escape
109 # for the first color; the text "commit" comes later.
110 colorful() {
111 read firstline <$1
112 ! expr "$firstline" : "^[a-zA-Z]" >/dev/null
115 test_expect_success 'tests can detect color' '
116 rm -f colorful.log colorless.log ||
117 cleanup_fail &&
119 git log --no-color >colorless.log &&
120 git log --color >colorful.log &&
121 ! colorful colorless.log &&
122 colorful colorful.log
125 test_expect_success 'no color when stdout is a regular file' '
126 rm -f colorless.log &&
127 git config color.ui auto ||
128 cleanup_fail &&
130 git log >colorless.log &&
131 ! colorful colorless.log
134 test_expect_success TTY 'color when writing to a pager' '
135 rm -f paginated.out &&
136 git config color.ui auto ||
137 cleanup_fail &&
140 TERM=vt100 &&
141 export TERM &&
142 test_terminal git log
143 ) &&
144 colorful paginated.out
147 test_expect_success 'color when writing to a file intended for a pager' '
148 rm -f colorful.log &&
149 git config color.ui auto ||
150 cleanup_fail &&
153 TERM=vt100 &&
154 GIT_PAGER_IN_USE=true &&
155 export TERM GIT_PAGER_IN_USE &&
156 git log >colorful.log
157 ) &&
158 colorful colorful.log
161 test_expect_success 'determine default pager' '
162 unset PAGER GIT_PAGER;
163 test_might_fail git config --unset core.pager ||
164 cleanup_fail &&
166 less=$(git var GIT_PAGER) &&
167 test -n "$less"
170 if expr "$less" : '^[a-z][a-z]*$' >/dev/null && test_have_prereq TTY
171 then
172 test_set_prereq SIMPLEPAGER
175 test_expect_success SIMPLEPAGER 'default pager is used by default' '
176 unset PAGER GIT_PAGER;
177 test_might_fail git config --unset core.pager &&
178 rm -f default_pager_used ||
179 cleanup_fail &&
181 cat >$less <<-\EOF &&
182 #!/bin/sh
183 wc >default_pager_used
185 chmod +x $less &&
187 PATH=.:$PATH &&
188 export PATH &&
189 test_terminal git log
190 ) &&
191 test -e default_pager_used
194 test_expect_success TTY 'PAGER overrides default pager' '
195 unset GIT_PAGER;
196 test_might_fail git config --unset core.pager &&
197 rm -f PAGER_used ||
198 cleanup_fail &&
200 PAGER="wc >PAGER_used" &&
201 export PAGER &&
202 test_terminal git log &&
203 test -e PAGER_used
206 test_expect_success TTY 'core.pager overrides PAGER' '
207 unset GIT_PAGER;
208 rm -f core.pager_used ||
209 cleanup_fail &&
211 PAGER=wc &&
212 export PAGER &&
213 git config core.pager "wc >core.pager_used" &&
214 test_terminal git log &&
215 test -e core.pager_used
218 test_expect_success TTY 'GIT_PAGER overrides core.pager' '
219 rm -f GIT_PAGER_used ||
220 cleanup_fail &&
222 git config core.pager wc &&
223 GIT_PAGER="wc >GIT_PAGER_used" &&
224 export GIT_PAGER &&
225 test_terminal git log &&
226 test -e GIT_PAGER_used
229 test_done