#
# Copyright (c) 2005 Junio C Hamano
#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see http://www.gnu.org/licenses/ .
+
+# if --tee was passed, write the output not only to the terminal, but
+# additionally to the file test-results/$BASENAME.out, too.
+case "$GIT_TEST_TEE_STARTED, $* " in
+done,*)
+ # do not redirect again
+ ;;
+*' --tee '*|*' --va'*)
+ mkdir -p test-results
+ BASE=test-results/$(basename "$0" .sh)
+ (GIT_TEST_TEE_STARTED=done ${SHELL-sh} "$0" "$@" 2>&1;
+ echo $? > $BASE.exit) | tee $BASE.out
+ test "$(cat $BASE.exit)" = 0
+ exit
+ ;;
+esac
+
+# Keep the original TERM for say_color
+ORIGINAL_TERM=$TERM
# For repeatability, reset the environment to known value.
LANG=C
LC_ALL=C
PAGER=cat
TZ=UTC
-export LANG LC_ALL PAGER TZ
+TERM=dumb
+export LANG LC_ALL PAGER TERM TZ
EDITOR=:
-VISUAL=:
-unset AUTHOR_DATE
-unset AUTHOR_EMAIL
-unset AUTHOR_NAME
-unset COMMIT_AUTHOR_EMAIL
-unset COMMIT_AUTHOR_NAME
-unset GIT_ALTERNATE_OBJECT_DIRECTORIES
-unset GIT_AUTHOR_DATE
+# A call to "unset" with no arguments causes at least Solaris 10
+# /usr/xpg4/bin/sh and /bin/ksh to bail out. So keep the unsets
+# deriving from the command substitution clustered with the other
+# ones.
+unset VISUAL EMAIL LANGUAGE COLUMNS $(perl -e '
+ my @env = keys %ENV;
+ my $ok = join("|", qw(
+ TRACE
+ DEBUG
+ USE_LOOKUP
+ TEST
+ .*_TEST
+ PROVE
+ VALGRIND
+ PERF_AGGREGATING_LATER
+ ));
+ my @vars = grep(/^GIT_/ && !/^GIT_($ok)/o, @env);
+ print join("\n", @vars);
+')
GIT_AUTHOR_EMAIL=author@example.com
GIT_AUTHOR_NAME='A U Thor'
-unset GIT_COMMITTER_DATE
GIT_COMMITTER_EMAIL=committer@example.com
GIT_COMMITTER_NAME='C O Mitter'
-unset GIT_DIFF_OPTS
-unset GIT_DIR
-unset GIT_EXTERNAL_DIFF
-unset GIT_INDEX_FILE
-unset GIT_OBJECT_DIRECTORY
-unset GIT_TRACE
-unset SHA1_FILE_DIRECTORIES
-unset SHA1_FILE_DIRECTORY
+GIT_MERGE_VERBOSITY=5
+GIT_MERGE_AUTOEDIT=no
+export GIT_MERGE_VERBOSITY GIT_MERGE_AUTOEDIT
export GIT_AUTHOR_EMAIL GIT_AUTHOR_NAME
export GIT_COMMITTER_EMAIL GIT_COMMITTER_NAME
-export EDITOR VISUAL
+export EDITOR
+
+# Protect ourselves from common misconfiguration to export
+# CDPATH into the environment
+unset CDPATH
+
+unset GREP_OPTIONS
+
+case $(echo $GIT_TRACE |tr "[A-Z]" "[a-z]") in
+ 1|2|true)
+ echo "* warning: Some tests will not work if GIT_TRACE" \
+ "is set as to trace on STDERR ! *"
+ echo "* warning: Please set GIT_TRACE to something" \
+ "other than 1, 2 or true ! *"
+ ;;
+esac
+
+# Convenience
+#
+# A regexp to match 5 and 40 hexdigits
+_x05='[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]'
+_x40="$_x05$_x05$_x05$_x05$_x05$_x05$_x05$_x05"
+
+# Zero SHA-1
+_z40=0000000000000000000000000000000000000000
+
+# Line feed
+LF='
+'
+
+export _x05 _x40 _z40 LF
# Each test should start with something like this, after copyright notices:
#
# This test checks if command xyzzy does the right thing...
# '
# . ./test-lib.sh
-
-error () {
- echo "* error: $*"
- trap - exit
- exit 1
-}
-
-say () {
- echo "* $*"
-}
-
-test "${test_description}" != "" ||
-error "Test script did not set test_description."
+[ "x$ORIGINAL_TERM" != "xdumb" ] && (
+ TERM=$ORIGINAL_TERM &&
+ export TERM &&
+ [ -t 1 ] &&
+ tput bold >/dev/null 2>&1 &&
+ tput setaf 1 >/dev/null 2>&1 &&
+ tput sgr0 >/dev/null 2>&1
+ ) &&
+ color=t
while test "$#" -ne 0
do
debug=t; shift ;;
-i|--i|--im|--imm|--imme|--immed|--immedi|--immedia|--immediat|--immediate)
immediate=t; shift ;;
+ -l|--l|--lo|--lon|--long|--long-|--long-t|--long-te|--long-tes|--long-test|--long-tests)
+ GIT_TEST_LONG=t; export GIT_TEST_LONG; shift ;;
-h|--h|--he|--hel|--help)
- echo "$test_description"
- exit 0 ;;
+ help=t; shift ;;
-v|--v|--ve|--ver|--verb|--verbo|--verbos|--verbose)
verbose=t; shift ;;
- --no-python)
- no_python=t; shift ;;
+ -q|--q|--qu|--qui|--quie|--quiet)
+ # Ignore --quiet under a TAP::Harness. Saying how many tests
+ # passed without the ok/not ok details is always an error.
+ test -z "$HARNESS_ACTIVE" && quiet=t; shift ;;
+ --with-dashes)
+ with_dashes=t; shift ;;
+ --no-color)
+ color=; shift ;;
+ --va|--val|--valg|--valgr|--valgri|--valgrin|--valgrind)
+ valgrind=t; verbose=t; shift ;;
+ --tee)
+ shift ;; # was handled already
+ --root=*)
+ root=$(expr "z$1" : 'z[^=]*=\(.*\)')
+ shift ;;
*)
- break ;;
+ echo "error: unknown test option '$1'" >&2; exit 1 ;;
esac
done
+if test -n "$color"; then
+ say_color () {
+ (
+ TERM=$ORIGINAL_TERM
+ export TERM
+ case "$1" in
+ error) tput bold; tput setaf 1;; # bold red
+ skip) tput bold; tput setaf 2;; # bold green
+ pass) tput setaf 2;; # green
+ info) tput setaf 3;; # brown
+ *) test -n "$quiet" && return;;
+ esac
+ shift
+ printf "%s" "$*"
+ tput sgr0
+ echo
+ )
+ }
+else
+ say_color() {
+ test -z "$1" && test -n "$quiet" && return
+ shift
+ echo "$*"
+ }
+fi
+
+error () {
+ say_color error "error: $*"
+ GIT_EXIT_OK=t
+ exit 1
+}
+
+say () {
+ say_color info "$*"
+}
+
+test "${test_description}" != "" ||
+error "Test script did not set test_description."
+
+if test "$help" = "t"
+then
+ echo "$test_description"
+ exit 0
+fi
+
exec 5>&1
+exec 6<&0
if test "$verbose" = "t"
then
exec 4>&2 3>&1
test_failure=0
test_count=0
+test_fixed=0
+test_broken=0
+test_success=0
-trap 'echo >&5 "FATAL: Unexpected exit with code $?"; exit 1' exit
+test_external_has_tap=0
+die () {
+ code=$?
+ if test -n "$GIT_EXIT_OK"
+ then
+ exit $code
+ else
+ echo >&5 "FATAL: Unexpected exit with code $code"
+ exit 1
+ fi
+}
+
+GIT_EXIT_OK=
+trap 'die' EXIT
+
+# The user-facing functions are loaded from a separate file so that
+# test_perf subshells can have them too
+. "${TEST_DIRECTORY:-.}"/test-lib-functions.sh
# You are not expected to call test_ok_ and test_failure_ directly, use
# the text_expect_* functions instead.
test_ok_ () {
- test_count=$(expr "$test_count" + 1)
- say " ok $test_count: $@"
+ test_success=$(($test_success + 1))
+ say_color "" "ok $test_count - $@"
}
test_failure_ () {
- test_count=$(expr "$test_count" + 1)
- test_failure=$(expr "$test_failure" + 1);
- say "FAIL $test_count: $1"
+ test_failure=$(($test_failure + 1))
+ say_color error "not ok - $test_count $1"
shift
- echo "$@" | sed -e 's/^/ /'
- test "$immediate" = "" || { trap - exit; exit 1; }
+ echo "$@" | sed -e 's/^/# /'
+ test "$immediate" = "" || { GIT_EXIT_OK=t; exit 1; }
+}
+
+test_known_broken_ok_ () {
+ test_fixed=$(($test_fixed+1))
+ say_color "" "ok $test_count - $@ # TODO known breakage"
}
+test_known_broken_failure_ () {
+ test_broken=$(($test_broken+1))
+ say_color skip "not ok $test_count - $@ # TODO known breakage"
+}
test_debug () {
test "$debug" = "" || eval "$1"
}
-test_run_ () {
- eval >&3 2>&4 "$1"
- eval_ret="$?"
- return 0
+test_eval_ () {
+ # This is a separate function because some tests use
+ # "return" to end a test_expect_success block early.
+ eval </dev/null >&3 2>&4 "$*"
}
-test_expect_failure () {
- test "$#" = 2 ||
- error "bug in the test script: not 2 parameters to test-expect-failure"
- say >&3 "expecting failure: $2"
- test_run_ "$2"
- if [ "$?" = 0 -a "$eval_ret" != 0 ]
+test_run_ () {
+ test_cleanup=:
+ expecting_failure=$2
+ test_eval_ "$1"
+ eval_ret=$?
+
+ if test -z "$immediate" || test $eval_ret = 0 || test -n "$expecting_failure"
then
- test_ok_ "$1"
- else
- test_failure_ "$@"
+ test_eval_ "$test_cleanup"
+ fi
+ if test "$verbose" = "t" && test -n "$HARNESS_ACTIVE"; then
+ echo ""
fi
+ return "$eval_ret"
}
-test_expect_success () {
- test "$#" = 2 ||
- error "bug in the test script: not 2 parameters to test-expect-success"
- say >&3 "expecting success: $2"
- test_run_ "$2"
- if [ "$?" = 0 -a "$eval_ret" = 0 ]
+test_skip () {
+ test_count=$(($test_count+1))
+ to_skip=
+ for skp in $GIT_SKIP_TESTS
+ do
+ case $this_test.$test_count in
+ $skp)
+ to_skip=t
+ break
+ esac
+ done
+ if test -z "$to_skip" && test -n "$test_prereq" &&
+ ! test_have_prereq "$test_prereq"
then
- test_ok_ "$1"
- else
- test_failure_ "$@"
+ to_skip=t
fi
+ case "$to_skip" in
+ t)
+ of_prereq=
+ if test "$missing_prereq" != "$test_prereq"
+ then
+ of_prereq=" of $test_prereq"
+ fi
+
+ say_color skip >&3 "skipping test: $@"
+ say_color skip "ok $test_count # skip $1 (missing $missing_prereq${of_prereq})"
+ : true
+ ;;
+ *)
+ false
+ ;;
+ esac
}
-test_expect_code () {
- test "$#" = 3 ||
- error "bug in the test script: not 3 parameters to test-expect-code"
- say >&3 "expecting exit code $1: $3"
- test_run_ "$3"
- if [ "$?" = 0 -a "$eval_ret" = "$1" ]
- then
- test_ok_ "$2"
- else
- test_failure_ "$@"
- fi
+# stub; perf-lib overrides it
+test_at_end_hook_ () {
+ :
}
-# Most tests can use the created repository, but some amy need to create more.
-# Usage: test_create_repo <directory>
-test_create_repo () {
- test "$#" = 1 ||
- error "bug in the test script: not 1 parameter to test-create-repo"
- owd=`pwd`
- repo="$1"
- mkdir "$repo"
- cd "$repo" || error "Cannot setup test environment"
- "$GIT_EXEC_PATH/git" init-db --template=$GIT_EXEC_PATH/templates/blt/ 2>/dev/null ||
- error "cannot run git init-db -- have you built things yet?"
- mv .git/hooks .git/hooks-disabled
- cd "$owd"
-}
-
test_done () {
- trap - exit
+ GIT_EXIT_OK=t
+
+ if test -z "$HARNESS_ACTIVE"; then
+ test_results_dir="$TEST_OUTPUT_DIRECTORY/test-results"
+ mkdir -p "$test_results_dir"
+ test_results_path="$test_results_dir/${0%.sh}-$$.counts"
+
+ cat >>"$test_results_path" <<-EOF
+ total $test_count
+ success $test_success
+ fixed $test_fixed
+ broken $test_broken
+ failed $test_failure
+
+ EOF
+ fi
+
+ if test "$test_fixed" != 0
+ then
+ say_color pass "# fixed $test_fixed known breakage(s)"
+ fi
+ if test "$test_broken" != 0
+ then
+ say_color error "# still have $test_broken known breakage(s)"
+ msg="remaining $(($test_count-$test_broken)) test(s)"
+ else
+ msg="$test_count test(s)"
+ fi
case "$test_failure" in
0)
- # We could:
- # cd .. && rm -fr trash
- # but that means we forbid any tests that use their own
- # subdirectory from calling test_done without coming back
- # to where they started from.
- # The Makefile provided will clean this test area so
- # we will leave things as they are.
-
- say "passed all $test_count test(s)"
+ # Maybe print SKIP message
+ [ -z "$skip_all" ] || skip_all=" # SKIP $skip_all"
+
+ if test $test_external_has_tap -eq 0; then
+ say_color pass "# passed all $msg"
+ say "1..$test_count$skip_all"
+ fi
+
+ test -d "$remove_trash" &&
+ cd "$(dirname "$remove_trash")" &&
+ rm -rf "$(basename "$remove_trash")"
+
+ test_at_end_hook_
+
exit 0 ;;
*)
- say "failed $test_failure among $test_count test(s)"
+ if test $test_external_has_tap -eq 0; then
+ say_color error "# failed $test_failure among $msg"
+ say "1..$test_count"
+ fi
+
exit 1 ;;
esac
}
# Test the binaries we have just built. The tests are kept in
-# t/ subdirectory and are run in trash subdirectory.
-PATH=$(pwd)/..:$PATH
-GIT_EXEC_PATH=$(pwd)/..
-export PATH GIT_EXEC_PATH
-
-# Similarly use ../compat/subprocess.py if our python does not
-# have subprocess.py on its own.
-PYTHON=`sed -e '1{
- s/^#!//
- q
-}' ../git-merge-recursive` || {
+# t/ subdirectory and are run in 'trash directory' subdirectory.
+if test -z "$TEST_DIRECTORY"
+then
+ # We allow tests to override this, in case they want to run tests
+ # outside of t/, e.g. for running tests on the test library
+ # itself.
+ TEST_DIRECTORY=$(pwd)
+fi
+if test -z "$TEST_OUTPUT_DIRECTORY"
+then
+ # Similarly, override this to store the test-results subdir
+ # elsewhere
+ TEST_OUTPUT_DIRECTORY=$TEST_DIRECTORY
+fi
+GIT_BUILD_DIR="$TEST_DIRECTORY"/..
+
+if test -n "$valgrind"
+then
+ make_symlink () {
+ test -h "$2" &&
+ test "$1" = "$(readlink "$2")" || {
+ # be super paranoid
+ if mkdir "$2".lock
+ then
+ rm -f "$2" &&
+ ln -s "$1" "$2" &&
+ rm -r "$2".lock
+ else
+ while test -d "$2".lock
+ do
+ say "Waiting for lock on $2."
+ sleep 1
+ done
+ fi
+ }
+ }
+
+ make_valgrind_symlink () {
+ # handle only executables, unless they are shell libraries that
+ # need to be in the exec-path. We will just use "#!" as a
+ # guess for a shell-script, since we have no idea what the user
+ # may have configured as the shell path.
+ test -x "$1" ||
+ test "#!" = "$(head -c 2 <"$1")" ||
+ return;
+
+ base=$(basename "$1")
+ symlink_target=$GIT_BUILD_DIR/$base
+ # do not override scripts
+ if test -x "$symlink_target" &&
+ test ! -d "$symlink_target" &&
+ test "#!" != "$(head -c 2 < "$symlink_target")"
+ then
+ symlink_target=../valgrind.sh
+ fi
+ case "$base" in
+ *.sh|*.perl)
+ symlink_target=../unprocessed-script
+ esac
+ # create the link, or replace it if it is out of date
+ make_symlink "$symlink_target" "$GIT_VALGRIND/bin/$base" || exit
+ }
+
+ # override all git executables in TEST_DIRECTORY/..
+ GIT_VALGRIND=$TEST_DIRECTORY/valgrind
+ mkdir -p "$GIT_VALGRIND"/bin
+ for file in $GIT_BUILD_DIR/git* $GIT_BUILD_DIR/test-*
+ do
+ make_valgrind_symlink $file
+ done
+ # special-case the mergetools loadables
+ make_symlink "$GIT_BUILD_DIR"/mergetools "$GIT_VALGRIND/bin/mergetools"
+ OLDIFS=$IFS
+ IFS=:
+ for path in $PATH
+ do
+ ls "$path"/git-* 2> /dev/null |
+ while read file
+ do
+ make_valgrind_symlink "$file"
+ done
+ done
+ IFS=$OLDIFS
+ PATH=$GIT_VALGRIND/bin:$PATH
+ GIT_EXEC_PATH=$GIT_VALGRIND/bin
+ export GIT_VALGRIND
+elif test -n "$GIT_TEST_INSTALLED" ; then
+ GIT_EXEC_PATH=$($GIT_TEST_INSTALLED/git --exec-path) ||
+ error "Cannot run git from $GIT_TEST_INSTALLED."
+ PATH=$GIT_TEST_INSTALLED:$GIT_BUILD_DIR:$PATH
+ GIT_EXEC_PATH=${GIT_TEST_EXEC_PATH:-$GIT_EXEC_PATH}
+else # normal case, use ../bin-wrappers only unless $with_dashes:
+ git_bin_dir="$GIT_BUILD_DIR/bin-wrappers"
+ if ! test -x "$git_bin_dir/git" ; then
+ if test -z "$with_dashes" ; then
+ say "$git_bin_dir/git is not executable; using GIT_EXEC_PATH"
+ fi
+ with_dashes=t
+ fi
+ PATH="$git_bin_dir:$PATH"
+ GIT_EXEC_PATH=$GIT_BUILD_DIR
+ if test -n "$with_dashes" ; then
+ PATH="$GIT_BUILD_DIR:$PATH"
+ fi
+fi
+GIT_TEMPLATE_DIR="$GIT_BUILD_DIR"/templates/blt
+unset GIT_CONFIG
+GIT_CONFIG_NOSYSTEM=1
+GIT_ATTR_NOSYSTEM=1
+export PATH GIT_EXEC_PATH GIT_TEMPLATE_DIR GIT_CONFIG_NOSYSTEM GIT_ATTR_NOSYSTEM
+
+. "$GIT_BUILD_DIR"/GIT-BUILD-OPTIONS
+
+if test -z "$GIT_TEST_CMP"
+then
+ if test -n "$GIT_TEST_CMP_USE_COPIED_CONTEXT"
+ then
+ GIT_TEST_CMP="$DIFF -c"
+ else
+ GIT_TEST_CMP="$DIFF -u"
+ fi
+fi
+
+GITPERLLIB="$GIT_BUILD_DIR"/perl/blib/lib:"$GIT_BUILD_DIR"/perl/blib/arch/auto/Git
+export GITPERLLIB
+test -d "$GIT_BUILD_DIR"/templates/blt || {
error "You haven't built things yet, have you?"
}
-"$PYTHON" -c 'import subprocess' 2>/dev/null || {
- PYTHONPATH=$(pwd)/../compat
- export PYTHONPATH
+
+if test -z "$GIT_TEST_INSTALLED" && test -z "$NO_PYTHON"
+then
+ GITPYTHONLIB="$GIT_BUILD_DIR/git_remote_helpers/build/lib"
+ export GITPYTHONLIB
+ test -d "$GIT_BUILD_DIR"/git_remote_helpers/build || {
+ error "You haven't built git_remote_helpers yet, have you?"
+ }
+fi
+
+if ! test -x "$GIT_BUILD_DIR"/test-chmtime; then
+ echo >&2 'You need to build test-chmtime:'
+ echo >&2 'Run "make test-chmtime" in the source (toplevel) directory'
+ exit 1
+fi
+
+# Test repository
+test="trash directory.$(basename "$0" .sh)"
+test -n "$root" && test="$root/$test"
+case "$test" in
+/*) TRASH_DIRECTORY="$test" ;;
+ *) TRASH_DIRECTORY="$TEST_OUTPUT_DIRECTORY/$test" ;;
+esac
+test ! -z "$debug" || remove_trash=$TRASH_DIRECTORY
+rm -fr "$test" || {
+ GIT_EXIT_OK=t
+ echo >&5 "FATAL: Cannot prepare test area"
+ exit 1
}
-test -d ../templates/blt || {
- error "You haven't built things yet, have you?"
+
+HOME="$TRASH_DIRECTORY"
+export HOME
+
+if test -z "$TEST_NO_CREATE_REPO"; then
+ test_create_repo "$test"
+else
+ mkdir -p "$test"
+fi
+# Use -P to resolve symlinks in our working directory so that the cwd
+# in subprocesses like git equals our $PWD (for pathname comparisons).
+cd -P "$test" || exit 1
+
+this_test=${0##*/}
+this_test=${this_test%%-*}
+for skp in $GIT_SKIP_TESTS
+do
+ case "$this_test" in
+ $skp)
+ say_color skip >&3 "skipping test $this_test altogether"
+ skip_all="skip all tests in $this_test"
+ test_done
+ esac
+done
+
+# Provide an implementation of the 'yes' utility
+yes () {
+ if test $# = 0
+ then
+ y=y
+ else
+ y="$*"
+ fi
+
+ while echo "$y"
+ do
+ :
+ done
}
-# Test repository
-test=trash
-rm -fr "$test"
-test_create_repo $test
-cd "$test"
+# Fix some commands on Windows
+case $(uname -s) in
+*MINGW*)
+ # Windows has its own (incompatible) sort and find
+ sort () {
+ /usr/bin/sort "$@"
+ }
+ find () {
+ /usr/bin/find "$@"
+ }
+ sum () {
+ md5sum "$@"
+ }
+ # git sees Windows-style pwd
+ pwd () {
+ builtin pwd -W
+ }
+ # no POSIX permissions
+ # backslashes in pathspec are converted to '/'
+ # exec does not inherit the PID
+ test_set_prereq MINGW
+ test_set_prereq SED_STRIPS_CR
+ ;;
+*CYGWIN*)
+ test_set_prereq POSIXPERM
+ test_set_prereq EXECKEEPSPID
+ test_set_prereq NOT_MINGW
+ test_set_prereq SED_STRIPS_CR
+ ;;
+*)
+ test_set_prereq POSIXPERM
+ test_set_prereq BSLASHPSPEC
+ test_set_prereq EXECKEEPSPID
+ test_set_prereq NOT_MINGW
+ ;;
+esac
+
+( COLUMNS=1 && test $COLUMNS = 1 ) && test_set_prereq COLUMNS_CAN_BE_1
+test -z "$NO_PERL" && test_set_prereq PERL
+test -z "$NO_PYTHON" && test_set_prereq PYTHON
+test -n "$USE_LIBPCRE" && test_set_prereq LIBPCRE
+test -z "$NO_GETTEXT" && test_set_prereq GETTEXT
+
+# Can we rely on git's output in the C locale?
+if test -n "$GETTEXT_POISON"
+then
+ GIT_GETTEXT_POISON=YesPlease
+ export GIT_GETTEXT_POISON
+ test_set_prereq GETTEXT_POISON
+else
+ test_set_prereq C_LOCALE_OUTPUT
+fi
+
+# Use this instead of test_cmp to compare files that contain expected and
+# actual output from git commands that can be translated. When running
+# under GETTEXT_POISON this pretends that the command produced expected
+# results.
+test_i18ncmp () {
+ test -n "$GETTEXT_POISON" || test_cmp "$@"
+}
+
+# Use this instead of "grep expected-string actual" to see if the
+# output from a git command that can be translated either contains an
+# expected string, or does not contain an unwanted one. When running
+# under GETTEXT_POISON this pretends that the command produced expected
+# results.
+test_i18ngrep () {
+ if test -n "$GETTEXT_POISON"
+ then
+ : # pretend success
+ elif test "x!" = "x$1"
+ then
+ shift
+ ! grep "$@"
+ else
+ grep "$@"
+ fi
+}
+
+# test whether the filesystem supports symbolic links
+ln -s x y 2>/dev/null && test -h y 2>/dev/null && test_set_prereq SYMLINKS
+rm -f y
+
+# When the tests are run as root, permission tests will report that
+# things are writable when they shouldn't be.
+test -w / || test_set_prereq SANITY