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-rwxr-xr-xt/t0008-ignores.sh834
1 files changed, 834 insertions, 0 deletions
diff --git a/t/t0008-ignores.sh b/t/t0008-ignores.sh
new file mode 100755
index 0000000000..8dc6939b90
--- /dev/null
+++ b/t/t0008-ignores.sh
@@ -0,0 +1,834 @@
+#!/bin/sh
+
+test_description=check-ignore
+
+. ./test-lib.sh
+
+init_vars () {
+ global_excludes="$(pwd)/global-excludes"
+}
+
+enable_global_excludes () {
+ init_vars &&
+ git config core.excludesfile "$global_excludes"
+}
+
+expect_in () {
+ dest="$HOME/expected-$1" text="$2"
+ if test -z "$text"
+ then
+ >"$dest" # avoid newline
+ else
+ echo "$text" >"$dest"
+ fi
+}
+
+expect () {
+ expect_in stdout "$1"
+}
+
+expect_from_stdin () {
+ cat >"$HOME/expected-stdout"
+}
+
+test_stderr () {
+ expected="$1"
+ expect_in stderr "$1" &&
+ test_cmp "$HOME/expected-stderr" "$HOME/stderr"
+}
+
+broken_c_unquote () {
+ "$PERL_PATH" -pe 's/^"//; s/\\//; s/"$//; tr/\n/\0/' "$@"
+}
+
+broken_c_unquote_verbose () {
+ "$PERL_PATH" -pe 's/ "/ /; s/\\//; s/"$//; tr/:\t\n/\0/' "$@"
+}
+
+stderr_contains () {
+ regexp="$1"
+ if grep "$regexp" "$HOME/stderr"
+ then
+ return 0
+ else
+ echo "didn't find /$regexp/ in $HOME/stderr"
+ cat "$HOME/stderr"
+ return 1
+ fi
+}
+
+stderr_empty_on_success () {
+ expect_code="$1"
+ if test $expect_code = 0
+ then
+ test_stderr ""
+ else
+ # If we expect failure then stderr might or might not be empty
+ # due to --quiet - the caller can check its contents
+ return 0
+ fi
+}
+
+test_check_ignore () {
+ args="$1" expect_code="${2:-0}" global_args="$3"
+
+ init_vars &&
+ rm -f "$HOME/stdout" "$HOME/stderr" "$HOME/cmd" &&
+ echo git $global_args check-ignore $quiet_opt $verbose_opt $non_matching_opt $no_index_opt $args \
+ >"$HOME/cmd" &&
+ echo "$expect_code" >"$HOME/expected-exit-code" &&
+ test_expect_code "$expect_code" \
+ git $global_args check-ignore $quiet_opt $verbose_opt $non_matching_opt $no_index_opt $args \
+ >"$HOME/stdout" 2>"$HOME/stderr" &&
+ test_cmp "$HOME/expected-stdout" "$HOME/stdout" &&
+ stderr_empty_on_success "$expect_code"
+}
+
+# Runs the same code with 4 different levels of output verbosity:
+#
+# 1. with -q / --quiet
+# 2. with default verbosity
+# 3. with -v / --verbose
+# 4. with -v / --verbose, *and* -n / --non-matching
+#
+# expecting success each time. Takes advantage of the fact that
+# check-ignore --verbose output is the same as normal output except
+# for the extra first column.
+#
+# A parameter is used to determine if the tests are run with the
+# normal case (using the index), or with the --no-index option.
+#
+# Arguments:
+# - (optional) prereqs for this test, e.g. 'SYMLINKS'
+# - test name
+# - output to expect from the fourth verbosity mode (the output
+# from the other verbosity modes is automatically inferred
+# from this value)
+# - code to run (should invoke test_check_ignore)
+# - index option: --index or --no-index
+test_expect_success_multiple () {
+ prereq=
+ if test $# -eq 5
+ then
+ prereq=$1
+ shift
+ fi
+ if test "$4" = "--index"
+ then
+ no_index_opt=
+ else
+ no_index_opt=$4
+ fi
+ testname="$1" expect_all="$2" code="$3"
+
+ expect_verbose=$( echo "$expect_all" | grep -v '^:: ' )
+ expect=$( echo "$expect_verbose" | sed -e 's/.* //' )
+
+ test_expect_success $prereq "$testname${no_index_opt:+ with $no_index_opt}" '
+ expect "$expect" &&
+ eval "$code"
+ '
+
+ # --quiet is only valid when a single pattern is passed
+ if test $( echo "$expect_all" | wc -l ) = 1
+ then
+ for quiet_opt in '-q' '--quiet'
+ do
+ opts="${no_index_opt:+$no_index_opt }$quiet_opt"
+ test_expect_success $prereq "$testname${opts:+ with $opts}" "
+ expect '' &&
+ $code
+ "
+ done
+ quiet_opt=
+ fi
+
+ for verbose_opt in '-v' '--verbose'
+ do
+ for non_matching_opt in '' '-n' '--non-matching'
+ do
+ if test -n "$non_matching_opt"
+ then
+ my_expect="$expect_all"
+ else
+ my_expect="$expect_verbose"
+ fi
+
+ test_code="
+ expect '$my_expect' &&
+ $code
+ "
+ opts="${no_index_opt:+$no_index_opt }$verbose_opt${non_matching_opt:+ $non_matching_opt}"
+ test_expect_success $prereq "$testname${opts:+ with $opts}" "$test_code"
+ done
+ done
+ verbose_opt=
+ non_matching_opt=
+ no_index_opt=
+}
+
+test_expect_success_multi () {
+ test_expect_success_multiple "$@" "--index"
+}
+
+test_expect_success_no_index_multi () {
+ test_expect_success_multiple "$@" "--no-index"
+}
+
+test_expect_success 'setup' '
+ init_vars &&
+ mkdir -p a/b/ignored-dir a/submodule b &&
+ if test_have_prereq SYMLINKS
+ then
+ ln -s b a/symlink
+ fi &&
+ (
+ cd a/submodule &&
+ git init &&
+ echo a >a &&
+ git add a &&
+ git commit -m"commit in submodule"
+ ) &&
+ git add a/submodule &&
+ cat <<-\EOF >.gitignore &&
+ one
+ ignored-*
+ top-level-dir/
+ EOF
+ for dir in . a
+ do
+ : >$dir/not-ignored &&
+ : >$dir/ignored-and-untracked &&
+ : >$dir/ignored-but-in-index
+ done &&
+ git add -f ignored-but-in-index a/ignored-but-in-index &&
+ cat <<-\EOF >a/.gitignore &&
+ two*
+ *three
+ EOF
+ cat <<-\EOF >a/b/.gitignore &&
+ four
+ five
+ # this comment should affect the line numbers
+ six
+ ignored-dir/
+ # and so should this blank line:
+
+ !on*
+ !two
+ EOF
+ echo "seven" >a/b/ignored-dir/.gitignore &&
+ test -n "$HOME" &&
+ cat <<-\EOF >"$global_excludes" &&
+ globalone
+ !globaltwo
+ globalthree
+ EOF
+ cat <<-\EOF >>.git/info/exclude
+ per-repo
+ EOF
+'
+
+############################################################################
+#
+# test invalid inputs
+
+test_expect_success_multi '. corner-case' ':: .' '
+ test_check_ignore . 1
+'
+
+test_expect_success_multi 'empty command line' '' '
+ test_check_ignore "" 128 &&
+ stderr_contains "fatal: no path specified"
+'
+
+test_expect_success_multi '--stdin with empty STDIN' '' '
+ test_check_ignore "--stdin" 1 </dev/null &&
+ test_stderr ""
+'
+
+test_expect_success '-q with multiple args' '
+ expect "" &&
+ test_check_ignore "-q one two" 128 &&
+ stderr_contains "fatal: --quiet is only valid with a single pathname"
+'
+
+test_expect_success '--quiet with multiple args' '
+ expect "" &&
+ test_check_ignore "--quiet one two" 128 &&
+ stderr_contains "fatal: --quiet is only valid with a single pathname"
+'
+
+for verbose_opt in '-v' '--verbose'
+do
+ for quiet_opt in '-q' '--quiet'
+ do
+ test_expect_success "$quiet_opt $verbose_opt" "
+ expect '' &&
+ test_check_ignore '$quiet_opt $verbose_opt foo' 128 &&
+ stderr_contains 'fatal: cannot have both --quiet and --verbose'
+ "
+ done
+done
+
+test_expect_success '--quiet with multiple args' '
+ expect "" &&
+ test_check_ignore "--quiet one two" 128 &&
+ stderr_contains "fatal: --quiet is only valid with a single pathname"
+'
+
+test_expect_success_multi 'erroneous use of --' '' '
+ test_check_ignore "--" 128 &&
+ stderr_contains "fatal: no path specified"
+'
+
+test_expect_success_multi '--stdin with superfluous arg' '' '
+ test_check_ignore "--stdin foo" 128 &&
+ stderr_contains "fatal: cannot specify pathnames with --stdin"
+'
+
+test_expect_success_multi '--stdin -z with superfluous arg' '' '
+ test_check_ignore "--stdin -z foo" 128 &&
+ stderr_contains "fatal: cannot specify pathnames with --stdin"
+'
+
+test_expect_success_multi '-z without --stdin' '' '
+ test_check_ignore "-z" 128 &&
+ stderr_contains "fatal: -z only makes sense with --stdin"
+'
+
+test_expect_success_multi '-z without --stdin and superfluous arg' '' '
+ test_check_ignore "-z foo" 128 &&
+ stderr_contains "fatal: -z only makes sense with --stdin"
+'
+
+test_expect_success_multi 'needs work tree' '' '
+ (
+ cd .git &&
+ test_check_ignore "foo" 128
+ ) &&
+ stderr_contains "fatal: This operation must be run in a work tree"
+'
+
+############################################################################
+#
+# test standard ignores
+
+# First make sure that the presence of a file in the working tree
+# does not impact results, but that the presence of a file in the
+# index does unless the --no-index option is used.
+
+for subdir in '' 'a/'
+do
+ if test -z "$subdir"
+ then
+ where="at top-level"
+ else
+ where="in subdir $subdir"
+ fi
+
+ test_expect_success_multi "non-existent file $where not ignored" \
+ ":: ${subdir}non-existent" \
+ "test_check_ignore '${subdir}non-existent' 1"
+
+ test_expect_success_no_index_multi "non-existent file $where not ignored" \
+ ":: ${subdir}non-existent" \
+ "test_check_ignore '${subdir}non-existent' 1"
+
+ test_expect_success_multi "non-existent file $where ignored" \
+ ".gitignore:1:one ${subdir}one" \
+ "test_check_ignore '${subdir}one'"
+
+ test_expect_success_no_index_multi "non-existent file $where ignored" \
+ ".gitignore:1:one ${subdir}one" \
+ "test_check_ignore '${subdir}one'"
+
+ test_expect_success_multi "existing untracked file $where not ignored" \
+ ":: ${subdir}not-ignored" \
+ "test_check_ignore '${subdir}not-ignored' 1"
+
+ test_expect_success_no_index_multi "existing untracked file $where not ignored" \
+ ":: ${subdir}not-ignored" \
+ "test_check_ignore '${subdir}not-ignored' 1"
+
+ test_expect_success_multi "existing tracked file $where not ignored" \
+ ":: ${subdir}ignored-but-in-index" \
+ "test_check_ignore '${subdir}ignored-but-in-index' 1"
+
+ test_expect_success_no_index_multi "existing tracked file $where shown as ignored" \
+ ".gitignore:2:ignored-* ${subdir}ignored-but-in-index" \
+ "test_check_ignore '${subdir}ignored-but-in-index'"
+
+ test_expect_success_multi "existing untracked file $where ignored" \
+ ".gitignore:2:ignored-* ${subdir}ignored-and-untracked" \
+ "test_check_ignore '${subdir}ignored-and-untracked'"
+
+ test_expect_success_no_index_multi "existing untracked file $where ignored" \
+ ".gitignore:2:ignored-* ${subdir}ignored-and-untracked" \
+ "test_check_ignore '${subdir}ignored-and-untracked'"
+
+ test_expect_success_multi "mix of file types $where" \
+":: ${subdir}non-existent
+.gitignore:1:one ${subdir}one
+:: ${subdir}not-ignored
+:: ${subdir}ignored-but-in-index
+.gitignore:2:ignored-* ${subdir}ignored-and-untracked" \
+ "test_check_ignore '
+ ${subdir}non-existent
+ ${subdir}one
+ ${subdir}not-ignored
+ ${subdir}ignored-but-in-index
+ ${subdir}ignored-and-untracked'
+ "
+
+ test_expect_success_no_index_multi "mix of file types $where" \
+":: ${subdir}non-existent
+.gitignore:1:one ${subdir}one
+:: ${subdir}not-ignored
+.gitignore:2:ignored-* ${subdir}ignored-but-in-index
+.gitignore:2:ignored-* ${subdir}ignored-and-untracked" \
+ "test_check_ignore '
+ ${subdir}non-existent
+ ${subdir}one
+ ${subdir}not-ignored
+ ${subdir}ignored-but-in-index
+ ${subdir}ignored-and-untracked'
+ "
+done
+
+# Having established the above, from now on we mostly test against
+# files which do not exist in the working tree or index.
+
+test_expect_success 'sub-directory local ignore' '
+ expect "a/3-three" &&
+ test_check_ignore "a/3-three a/three-not-this-one"
+'
+
+test_expect_success 'sub-directory local ignore with --verbose' '
+ expect "a/.gitignore:2:*three a/3-three" &&
+ test_check_ignore "--verbose a/3-three a/three-not-this-one"
+'
+
+test_expect_success 'local ignore inside a sub-directory' '
+ expect "3-three" &&
+ (
+ cd a &&
+ test_check_ignore "3-three three-not-this-one"
+ )
+'
+test_expect_success 'local ignore inside a sub-directory with --verbose' '
+ expect "a/.gitignore:2:*three 3-three" &&
+ (
+ cd a &&
+ test_check_ignore "--verbose 3-three three-not-this-one"
+ )
+'
+
+test_expect_success_multi 'nested include' \
+ 'a/b/.gitignore:8:!on* a/b/one' '
+ test_check_ignore "a/b/one"
+'
+
+############################################################################
+#
+# test ignored sub-directories
+
+test_expect_success_multi 'ignored sub-directory' \
+ 'a/b/.gitignore:5:ignored-dir/ a/b/ignored-dir' '
+ test_check_ignore "a/b/ignored-dir"
+'
+
+test_expect_success 'multiple files inside ignored sub-directory' '
+ expect_from_stdin <<-\EOF &&
+ a/b/ignored-dir/foo
+ a/b/ignored-dir/twoooo
+ a/b/ignored-dir/seven
+ EOF
+ test_check_ignore "a/b/ignored-dir/foo a/b/ignored-dir/twoooo a/b/ignored-dir/seven"
+'
+
+test_expect_success 'multiple files inside ignored sub-directory with -v' '
+ expect_from_stdin <<-\EOF &&
+ a/b/.gitignore:5:ignored-dir/ a/b/ignored-dir/foo
+ a/b/.gitignore:5:ignored-dir/ a/b/ignored-dir/twoooo
+ a/b/.gitignore:5:ignored-dir/ a/b/ignored-dir/seven
+ EOF
+ test_check_ignore "-v a/b/ignored-dir/foo a/b/ignored-dir/twoooo a/b/ignored-dir/seven"
+'
+
+test_expect_success 'cd to ignored sub-directory' '
+ expect_from_stdin <<-\EOF &&
+ foo
+ twoooo
+ ../one
+ seven
+ ../../one
+ EOF
+ (
+ cd a/b/ignored-dir &&
+ test_check_ignore "foo twoooo ../one seven ../../one"
+ )
+'
+
+test_expect_success 'cd to ignored sub-directory with -v' '
+ expect_from_stdin <<-\EOF &&
+ a/b/.gitignore:5:ignored-dir/ foo
+ a/b/.gitignore:5:ignored-dir/ twoooo
+ a/b/.gitignore:8:!on* ../one
+ a/b/.gitignore:5:ignored-dir/ seven
+ .gitignore:1:one ../../one
+ EOF
+ (
+ cd a/b/ignored-dir &&
+ test_check_ignore "-v foo twoooo ../one seven ../../one"
+ )
+'
+
+############################################################################
+#
+# test handling of symlinks
+
+test_expect_success_multi SYMLINKS 'symlink' ':: a/symlink' '
+ test_check_ignore "a/symlink" 1
+'
+
+test_expect_success_multi SYMLINKS 'beyond a symlink' '' '
+ test_check_ignore "a/symlink/foo" 128 &&
+ test_stderr "fatal: pathspec '\''a/symlink/foo'\'' is beyond a symbolic link"
+'
+
+test_expect_success_multi SYMLINKS 'beyond a symlink from subdirectory' '' '
+ (
+ cd a &&
+ test_check_ignore "symlink/foo" 128
+ ) &&
+ test_stderr "fatal: pathspec '\''symlink/foo'\'' is beyond a symbolic link"
+'
+
+############################################################################
+#
+# test handling of submodules
+
+test_expect_success_multi 'submodule' '' '
+ test_check_ignore "a/submodule/one" 128 &&
+ test_stderr "fatal: Pathspec '\''a/submodule/one'\'' is in submodule '\''a/submodule'\''"
+'
+
+test_expect_success_multi 'submodule from subdirectory' '' '
+ (
+ cd a &&
+ test_check_ignore "submodule/one" 128
+ ) &&
+ test_stderr "fatal: Pathspec '\''submodule/one'\'' is in submodule '\''a/submodule'\''"
+'
+
+############################################################################
+#
+# test handling of global ignore files
+
+test_expect_success 'global ignore not yet enabled' '
+ expect_from_stdin <<-\EOF &&
+ .git/info/exclude:7:per-repo per-repo
+ a/.gitignore:2:*three a/globalthree
+ .git/info/exclude:7:per-repo a/per-repo
+ EOF
+ test_check_ignore "-v globalone per-repo a/globalthree a/per-repo not-ignored a/globaltwo"
+'
+
+test_expect_success 'global ignore' '
+ enable_global_excludes &&
+ expect_from_stdin <<-\EOF &&
+ globalone
+ per-repo
+ globalthree
+ a/globalthree
+ a/per-repo
+ globaltwo
+ EOF
+ test_check_ignore "globalone per-repo globalthree a/globalthree a/per-repo not-ignored globaltwo"
+'
+
+test_expect_success 'global ignore with -v' '
+ enable_global_excludes &&
+ expect_from_stdin <<-EOF &&
+ $global_excludes:1:globalone globalone
+ .git/info/exclude:7:per-repo per-repo
+ $global_excludes:3:globalthree globalthree
+ a/.gitignore:2:*three a/globalthree
+ .git/info/exclude:7:per-repo a/per-repo
+ $global_excludes:2:!globaltwo globaltwo
+ EOF
+ test_check_ignore "-v globalone per-repo globalthree a/globalthree a/per-repo not-ignored globaltwo"
+'
+
+############################################################################
+#
+# test --stdin
+
+cat <<-\EOF >stdin
+ one
+ not-ignored
+ a/one
+ a/not-ignored
+ a/b/on
+ a/b/one
+ a/b/one one
+ "a/b/one two"
+ "a/b/one\"three"
+ a/b/not-ignored
+ a/b/two
+ a/b/twooo
+ globaltwo
+ a/globaltwo
+ a/b/globaltwo
+ b/globaltwo
+EOF
+cat <<-\EOF >expected-default
+ one
+ a/one
+ a/b/on
+ a/b/one
+ a/b/one one
+ a/b/one two
+ "a/b/one\"three"
+ a/b/two
+ a/b/twooo
+ globaltwo
+ a/globaltwo
+ a/b/globaltwo
+ b/globaltwo
+EOF
+cat <<-EOF >expected-verbose
+ .gitignore:1:one one
+ .gitignore:1:one a/one
+ a/b/.gitignore:8:!on* a/b/on
+ a/b/.gitignore:8:!on* a/b/one
+ a/b/.gitignore:8:!on* a/b/one one
+ a/b/.gitignore:8:!on* a/b/one two
+ a/b/.gitignore:8:!on* "a/b/one\"three"
+ a/b/.gitignore:9:!two a/b/two
+ a/.gitignore:1:two* a/b/twooo
+ $global_excludes:2:!globaltwo globaltwo
+ $global_excludes:2:!globaltwo a/globaltwo
+ $global_excludes:2:!globaltwo a/b/globaltwo
+ $global_excludes:2:!globaltwo b/globaltwo
+EOF
+
+broken_c_unquote stdin >stdin0
+
+broken_c_unquote expected-default >expected-default0
+
+broken_c_unquote_verbose expected-verbose >expected-verbose0
+
+test_expect_success '--stdin' '
+ expect_from_stdin <expected-default &&
+ test_check_ignore "--stdin" <stdin
+'
+
+test_expect_success '--stdin -q' '
+ expect "" &&
+ test_check_ignore "-q --stdin" <stdin
+'
+
+test_expect_success '--stdin -v' '
+ expect_from_stdin <expected-verbose &&
+ test_check_ignore "-v --stdin" <stdin
+'
+
+for opts in '--stdin -z' '-z --stdin'
+do
+ test_expect_success "$opts" "
+ expect_from_stdin <expected-default0 &&
+ test_check_ignore '$opts' <stdin0
+ "
+
+ test_expect_success "$opts -q" "
+ expect "" &&
+ test_check_ignore '-q $opts' <stdin0
+ "
+
+ test_expect_success "$opts -v" "
+ expect_from_stdin <expected-verbose0 &&
+ test_check_ignore '-v $opts' <stdin0
+ "
+done
+
+cat <<-\EOF >stdin
+ ../one
+ ../not-ignored
+ one
+ not-ignored
+ b/on
+ b/one
+ b/one one
+ "b/one two"
+ "b/one\"three"
+ b/two
+ b/not-ignored
+ b/twooo
+ ../globaltwo
+ globaltwo
+ b/globaltwo
+ ../b/globaltwo
+ c/not-ignored
+EOF
+# N.B. we deliberately end STDIN with a non-matching pattern in order
+# to test that the exit code indicates that one or more of the
+# provided paths is ignored - in other words, that it represents an
+# aggregation of all the results, not just the final result.
+
+cat <<-EOF >expected-all
+ .gitignore:1:one ../one
+ :: ../not-ignored
+ .gitignore:1:one one
+ :: not-ignored
+ a/b/.gitignore:8:!on* b/on
+ a/b/.gitignore:8:!on* b/one
+ a/b/.gitignore:8:!on* b/one one
+ a/b/.gitignore:8:!on* b/one two
+ a/b/.gitignore:8:!on* "b/one\"three"
+ a/b/.gitignore:9:!two b/two
+ :: b/not-ignored
+ a/.gitignore:1:two* b/twooo
+ $global_excludes:2:!globaltwo ../globaltwo
+ $global_excludes:2:!globaltwo globaltwo
+ $global_excludes:2:!globaltwo b/globaltwo
+ $global_excludes:2:!globaltwo ../b/globaltwo
+ :: c/not-ignored
+EOF
+grep -v '^:: ' expected-all >expected-verbose
+sed -e 's/.* //' expected-verbose >expected-default
+
+broken_c_unquote stdin >stdin0
+
+broken_c_unquote expected-default >expected-default0
+
+broken_c_unquote_verbose expected-verbose >expected-verbose0
+
+test_expect_success '--stdin from subdirectory' '
+ expect_from_stdin <expected-default &&
+ (
+ cd a &&
+ test_check_ignore "--stdin" <../stdin
+ )
+'
+
+test_expect_success '--stdin from subdirectory with -v' '
+ expect_from_stdin <expected-verbose &&
+ (
+ cd a &&
+ test_check_ignore "--stdin -v" <../stdin
+ )
+'
+
+test_expect_success '--stdin from subdirectory with -v -n' '
+ expect_from_stdin <expected-all &&
+ (
+ cd a &&
+ test_check_ignore "--stdin -v -n" <../stdin
+ )
+'
+
+for opts in '--stdin -z' '-z --stdin'
+do
+ test_expect_success "$opts from subdirectory" '
+ expect_from_stdin <expected-default0 &&
+ (
+ cd a &&
+ test_check_ignore "'"$opts"'" <../stdin0
+ )
+ '
+
+ test_expect_success "$opts from subdirectory with -v" '
+ expect_from_stdin <expected-verbose0 &&
+ (
+ cd a &&
+ test_check_ignore "'"$opts"' -v" <../stdin0
+ )
+ '
+done
+
+test_expect_success PIPE 'streaming support for --stdin' '
+ mkfifo in out &&
+ (git check-ignore -n -v --stdin <in >out &) &&
+
+ # We cannot just "echo >in" because check-ignore would get EOF
+ # after echo exited; instead we open the descriptor in our
+ # shell, and then echo to the fd. We make sure to close it at
+ # the end, so that the subprocess does get EOF and dies
+ # properly.
+ #
+ # Similarly, we must keep "out" open so that check-ignore does
+ # not ever get SIGPIPE trying to write to us. Not only would that
+ # produce incorrect results, but then there would be no writer on the
+ # other end of the pipe, and we would potentially block forever trying
+ # to open it.
+ exec 9>in &&
+ exec 8<out &&
+ test_when_finished "exec 9>&-" &&
+ test_when_finished "exec 8<&-" &&
+ echo >&9 one &&
+ read response <&8 &&
+ echo "$response" | grep "^\.gitignore:1:one one" &&
+ echo >&9 two &&
+ read response <&8 &&
+ echo "$response" | grep "^:: two"
+'
+
+############################################################################
+#
+# test whitespace handling
+
+test_expect_success 'trailing whitespace is ignored' '
+ mkdir whitespace &&
+ >whitespace/trailing &&
+ >whitespace/untracked &&
+ echo "whitespace/trailing " >ignore &&
+ cat >expect <<EOF &&
+whitespace/untracked
+EOF
+ : >err.expect &&
+ git ls-files -o -X ignore whitespace >actual 2>err &&
+ test_cmp expect actual &&
+ test_cmp err.expect err
+'
+
+test_expect_success !MINGW 'quoting allows trailing whitespace' '
+ rm -rf whitespace &&
+ mkdir whitespace &&
+ >"whitespace/trailing " &&
+ >whitespace/untracked &&
+ echo "whitespace/trailing\\ \\ " >ignore &&
+ echo whitespace/untracked >expect &&
+ : >err.expect &&
+ git ls-files -o -X ignore whitespace >actual 2>err &&
+ test_cmp expect actual &&
+ test_cmp err.expect err
+'
+
+test_expect_success !MINGW,!CYGWIN 'correct handling of backslashes' '
+ rm -rf whitespace &&
+ mkdir whitespace &&
+ >"whitespace/trailing 1 " &&
+ >"whitespace/trailing 2 \\\\" &&
+ >"whitespace/trailing 3 \\\\" &&
+ >"whitespace/trailing 4 \\ " &&
+ >"whitespace/trailing 5 \\ \\ " &&
+ >"whitespace/trailing 6 \\a\\" &&
+ >whitespace/untracked &&
+ sed -e "s/Z$//" >ignore <<-\EOF &&
+ whitespace/trailing 1 \ Z
+ whitespace/trailing 2 \\\\Z
+ whitespace/trailing 3 \\\\ Z
+ whitespace/trailing 4 \\\ Z
+ whitespace/trailing 5 \\ \\\ Z
+ whitespace/trailing 6 \\a\\Z
+ EOF
+ echo whitespace/untracked >expect &&
+ >err.expect &&
+ git ls-files -o -X ignore whitespace >actual 2>err &&
+ test_cmp expect actual &&
+ test_cmp err.expect err
+'
+
+test_done