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#!/bin/sh
test_description='Test automatic use of a pager.'
. ./test-lib.sh
. "$TEST_DIRECTORY"/lib-pager.sh
. "$TEST_DIRECTORY"/lib-terminal.sh
test_expect_success 'setup' '
sane_unset GIT_PAGER GIT_PAGER_IN_USE &&
test_unconfig core.pager &&
PAGER="cat >paginated.out" &&
export PAGER &&
test_commit initial
'
test_expect_success TTY 'some commands use a pager' '
rm -f paginated.out &&
test_terminal git log &&
test -e paginated.out
'
test_expect_failure TTY 'pager runs from subdir' '
echo subdir/paginated.out >expected &&
mkdir -p subdir &&
rm -f paginated.out subdir/paginated.out &&
(
cd subdir &&
test_terminal git log
) &&
{
ls paginated.out subdir/paginated.out ||
:
} >actual &&
test_cmp expected actual
'
test_expect_success TTY 'LESS and LV envvars are set for pagination' '
(
sane_unset LESS LV &&
PAGER="env >pager-env.out; wc" &&
export PAGER &&
test_terminal git log
) &&
grep ^LESS= pager-env.out &&
grep ^LV= pager-env.out
'
test_expect_success TTY 'some commands do not use a pager' '
rm -f paginated.out &&
test_terminal git rev-list HEAD &&
! test -e paginated.out
'
test_expect_success 'no pager when stdout is a pipe' '
rm -f paginated.out &&
git log | cat &&
! test -e paginated.out
'
test_expect_success 'no pager when stdout is a regular file' '
rm -f paginated.out &&
git log >file &&
! test -e paginated.out
'
test_expect_success TTY 'git --paginate rev-list uses a pager' '
rm -f paginated.out &&
test_terminal git --paginate rev-list HEAD &&
test -e paginated.out
'
test_expect_success 'no pager even with --paginate when stdout is a pipe' '
rm -f file paginated.out &&
git --paginate log | cat &&
! test -e paginated.out
'
test_expect_success TTY 'no pager with --no-pager' '
rm -f paginated.out &&
test_terminal git --no-pager log &&
! test -e paginated.out
'
test_expect_success TTY 'configuration can disable pager' '
rm -f paginated.out &&
test_unconfig pager.grep &&
test_terminal git grep initial &&
test -e paginated.out &&
rm -f paginated.out &&
test_config pager.grep false &&
test_terminal git grep initial &&
! test -e paginated.out
'
test_expect_success TTY 'git config uses a pager if configured to' '
rm -f paginated.out &&
test_config pager.config true &&
test_terminal git config --list &&
test -e paginated.out
'
test_expect_success TTY 'configuration can enable pager (from subdir)' '
rm -f paginated.out &&
mkdir -p subdir &&
test_config pager.bundle true &&
git bundle create test.bundle --all &&
rm -f paginated.out subdir/paginated.out &&
(
cd subdir &&
test_terminal git bundle unbundle ../test.bundle
) &&
{
test -e paginated.out ||
test -e subdir/paginated.out
}
'
# A colored commit log will begin with an appropriate ANSI escape
# for the first color; the text "commit" comes later.
colorful() {
read firstline <$1
! expr "$firstline" : "[a-zA-Z]" >/dev/null
}
test_expect_success 'tests can detect color' '
rm -f colorful.log colorless.log &&
git log --no-color >colorless.log &&
git log --color >colorful.log &&
! colorful colorless.log &&
colorful colorful.log
'
test_expect_success 'no color when stdout is a regular file' '
rm -f colorless.log &&
test_config color.ui auto &&
git log >colorless.log &&
! colorful colorless.log
'
test_expect_success TTY 'color when writing to a pager' '
rm -f paginated.out &&
test_config color.ui auto &&
test_terminal env TERM=vt100 git log &&
colorful paginated.out
'
test_expect_success TTY 'colors are suppressed by color.pager' '
rm -f paginated.out &&
test_config color.ui auto &&
test_config color.pager false &&
test_terminal env TERM=vt100 git log &&
! colorful paginated.out
'
test_expect_success 'color when writing to a file intended for a pager' '
rm -f colorful.log &&
test_config color.ui auto &&
(
TERM=vt100 &&
GIT_PAGER_IN_USE=true &&
export TERM GIT_PAGER_IN_USE &&
git log >colorful.log
) &&
colorful colorful.log
'
test_expect_success TTY 'colors are sent to pager for external commands' '
test_config alias.externallog "!git log" &&
test_config color.ui auto &&
test_terminal env TERM=vt100 git -p externallog &&
colorful paginated.out
'
# Use this helper to make it easy for the caller of your
# terminal-using function to specify whether it should fail.
# If you write
#
# your_test() {
# parse_args "$@"
#
# $test_expectation "$cmd - behaves well" "
# ...
# $full_command &&
# ...
# "
# }
#
# then your test can be used like this:
#
# your_test expect_(success|failure) [test_must_fail] 'git foo'
#
parse_args() {
test_expectation="test_$1"
shift
if test "$1" = test_must_fail
then
full_command="test_must_fail test_terminal "
shift
else
full_command="test_terminal "
fi
cmd=$1
full_command="$full_command $1"
}
test_default_pager() {
parse_args "$@"
$test_expectation SIMPLEPAGER,TTY "$cmd - default pager is used by default" "
sane_unset PAGER GIT_PAGER &&
test_unconfig core.pager &&
rm -f default_pager_used &&
cat >\$less <<-\EOF &&
#!/bin/sh
wc >default_pager_used
EOF
chmod +x \$less &&
(
PATH=.:\$PATH &&
export PATH &&
$full_command
) &&
test -e default_pager_used
"
}
test_PAGER_overrides() {
parse_args "$@"
$test_expectation TTY "$cmd - PAGER overrides default pager" "
sane_unset GIT_PAGER &&
test_unconfig core.pager &&
rm -f PAGER_used &&
PAGER='wc >PAGER_used' &&
export PAGER &&
$full_command &&
test -e PAGER_used
"
}
test_core_pager_overrides() {
if_local_config=
used_if_wanted='overrides PAGER'
test_core_pager "$@"
}
test_local_config_ignored() {
if_local_config='! '
used_if_wanted='is not used'
test_core_pager "$@"
}
test_core_pager() {
parse_args "$@"
$test_expectation TTY "$cmd - repository-local core.pager setting $used_if_wanted" "
sane_unset GIT_PAGER &&
rm -f core.pager_used &&
PAGER=wc &&
export PAGER &&
test_config core.pager 'wc >core.pager_used' &&
$full_command &&
${if_local_config}test -e core.pager_used
"
}
test_core_pager_subdir() {
if_local_config=
used_if_wanted='overrides PAGER'
test_pager_subdir_helper "$@"
}
test_no_local_config_subdir() {
if_local_config='! '
used_if_wanted='is not used'
test_pager_subdir_helper "$@"
}
test_pager_subdir_helper() {
parse_args "$@"
$test_expectation TTY "$cmd - core.pager $used_if_wanted from subdirectory" "
sane_unset GIT_PAGER &&
rm -f core.pager_used &&
rm -fr sub &&
PAGER=wc &&
stampname=\$(pwd)/core.pager_used &&
export PAGER stampname &&
test_config core.pager 'wc >\"\$stampname\"' &&
mkdir sub &&
(
cd sub &&
$full_command
) &&
${if_local_config}test -e core.pager_used
"
}
test_GIT_PAGER_overrides() {
parse_args "$@"
$test_expectation TTY "$cmd - GIT_PAGER overrides core.pager" "
rm -f GIT_PAGER_used &&
test_config core.pager wc &&
GIT_PAGER='wc >GIT_PAGER_used' &&
export GIT_PAGER &&
$full_command &&
test -e GIT_PAGER_used
"
}
test_doesnt_paginate() {
parse_args "$@"
$test_expectation TTY "no pager for '$cmd'" "
rm -f GIT_PAGER_used &&
GIT_PAGER='wc >GIT_PAGER_used' &&
export GIT_PAGER &&
$full_command &&
! test -e GIT_PAGER_used
"
}
test_pager_choices() {
test_default_pager expect_success "$@"
test_PAGER_overrides expect_success "$@"
test_core_pager_overrides expect_success "$@"
test_core_pager_subdir expect_success "$@"
test_GIT_PAGER_overrides expect_success "$@"
}
test_expect_success 'setup: some aliases' '
git config alias.aliasedlog log &&
git config alias.true "!true"
'
test_pager_choices 'git log'
test_pager_choices 'git -p log'
test_pager_choices 'git aliasedlog'
test_default_pager expect_success 'git -p aliasedlog'
test_PAGER_overrides expect_success 'git -p aliasedlog'
test_core_pager_overrides expect_success 'git -p aliasedlog'
test_core_pager_subdir expect_failure 'git -p aliasedlog'
test_GIT_PAGER_overrides expect_success 'git -p aliasedlog'
test_default_pager expect_success 'git -p true'
test_PAGER_overrides expect_success 'git -p true'
test_core_pager_overrides expect_success 'git -p true'
test_core_pager_subdir expect_failure 'git -p true'
test_GIT_PAGER_overrides expect_success 'git -p true'
test_default_pager expect_success test_must_fail 'git -p request-pull'
test_PAGER_overrides expect_success test_must_fail 'git -p request-pull'
test_core_pager_overrides expect_success test_must_fail 'git -p request-pull'
test_core_pager_subdir expect_failure test_must_fail 'git -p request-pull'
test_GIT_PAGER_overrides expect_success test_must_fail 'git -p request-pull'
test_default_pager expect_success test_must_fail 'git -p'
test_PAGER_overrides expect_success test_must_fail 'git -p'
test_local_config_ignored expect_failure test_must_fail 'git -p'
test_no_local_config_subdir expect_success test_must_fail 'git -p'
test_GIT_PAGER_overrides expect_success test_must_fail 'git -p'
test_doesnt_paginate expect_failure test_must_fail 'git -p nonsense'
test_pager_choices 'git shortlog'
test_expect_success 'setup: configure shortlog not to paginate' '
git config pager.shortlog false
'
test_doesnt_paginate expect_success 'git shortlog'
test_no_local_config_subdir expect_success 'git shortlog'
test_default_pager expect_success 'git -p shortlog'
test_core_pager_subdir expect_success 'git -p shortlog'
test_core_pager_subdir expect_success test_must_fail \
'git -p apply </dev/null'
test_expect_success TTY 'command-specific pager' '
sane_unset PAGER GIT_PAGER &&
echo "foo:initial" >expect &&
>actual &&
test_unconfig core.pager &&
test_config pager.log "sed s/^/foo:/ >actual" &&
test_terminal git log --format=%s -1 &&
test_cmp expect actual
'
test_expect_success TTY 'command-specific pager overrides core.pager' '
sane_unset PAGER GIT_PAGER &&
echo "foo:initial" >expect &&
>actual &&
test_config core.pager "exit 1"
test_config pager.log "sed s/^/foo:/ >actual" &&
test_terminal git log --format=%s -1 &&
test_cmp expect actual
'
test_expect_success TTY 'command-specific pager overridden by environment' '
GIT_PAGER="sed s/^/foo:/ >actual" && export GIT_PAGER &&
>actual &&
echo "foo:initial" >expect &&
test_config pager.log "exit 1" &&
test_terminal git log --format=%s -1 &&
test_cmp expect actual
'
test_expect_success 'setup external command' '
cat >git-external <<-\EOF &&
#!/bin/sh
git "$@"
EOF
chmod +x git-external
'
test_expect_success TTY 'command-specific pager works for external commands' '
sane_unset PAGER GIT_PAGER &&
echo "foo:initial" >expect &&
>actual &&
test_config pager.external "sed s/^/foo:/ >actual" &&
test_terminal git --exec-path="`pwd`" external log --format=%s -1 &&
test_cmp expect actual
'
test_expect_success TTY 'sub-commands of externals use their own pager' '
sane_unset PAGER GIT_PAGER &&
echo "foo:initial" >expect &&
>actual &&
test_config pager.log "sed s/^/foo:/ >actual" &&
test_terminal git --exec-path=. external log --format=%s -1 &&
test_cmp expect actual
'
test_expect_success TTY 'external command pagers override sub-commands' '
sane_unset PAGER GIT_PAGER &&
>expect &&
>actual &&
test_config pager.external false &&
test_config pager.log "sed s/^/log:/ >actual" &&
test_terminal git --exec-path=. external log --format=%s -1 &&
test_cmp expect actual
'
test_done
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