1# Test framework for git. See t/README for usage.
2#
3# Copyright (c) 2005 Junio C Hamano
4#
5# This program is free software: you can redistribute it and/or modify
6# it under the terms of the GNU General Public License as published by
7# the Free Software Foundation, either version 2 of the License, or
8# (at your option) any later version.
9#
10# This program is distributed in the hope that it will be useful,
11# but WITHOUT ANY WARRANTY; without even the implied warranty of
12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13# GNU General Public License for more details.
14#
15# You should have received a copy of the GNU General Public License
16# along with this program. If not, see http://www.gnu.org/licenses/ .
17
18# Keep the original TERM for say_color
19ORIGINAL_TERM=$TERM
20
21# Test the binaries we have just built. The tests are kept in
22# t/ subdirectory and are run in 'trash directory' subdirectory.
23if test -z "$TEST_DIRECTORY"
24then
25 # We allow tests to override this, in case they want to run tests
26 # outside of t/, e.g. for running tests on the test library
27 # itself.
28 TEST_DIRECTORY=$(pwd)
29fi
30if test -z "$TEST_OUTPUT_DIRECTORY"
31then
32 # Similarly, override this to store the test-results subdir
33 # elsewhere
34 TEST_OUTPUT_DIRECTORY=$TEST_DIRECTORY
35fi
36GIT_BUILD_DIR="$TEST_DIRECTORY"/..
37
38################################################################
39# It appears that people try to run tests without building...
40"$GIT_BUILD_DIR/git" >/dev/null
41if test $? != 1
42then
43 echo >&2 'error: you do not seem to have built git yet.'
44 exit 1
45fi
46
47. "$GIT_BUILD_DIR"/GIT-BUILD-OPTIONS
48export PERL_PATH SHELL_PATH
49
50# if --tee was passed, write the output not only to the terminal, but
51# additionally to the file test-results/$BASENAME.out, too.
52case "$GIT_TEST_TEE_STARTED, $* " in
53done,*)
54 # do not redirect again
55 ;;
56*' --tee '*|*' --va'*)
57 mkdir -p "$TEST_OUTPUT_DIRECTORY/test-results"
58 BASE="$TEST_OUTPUT_DIRECTORY/test-results/$(basename "$0" .sh)"
59 (GIT_TEST_TEE_STARTED=done ${SHELL_PATH} "$0" "$@" 2>&1;
60 echo $? > $BASE.exit) | tee $BASE.out
61 test "$(cat $BASE.exit)" = 0
62 exit
63 ;;
64esac
65
66# For repeatability, reset the environment to known value.
67LANG=C
68LC_ALL=C
69PAGER=cat
70TZ=UTC
71TERM=dumb
72export LANG LC_ALL PAGER TERM TZ
73EDITOR=:
74# A call to "unset" with no arguments causes at least Solaris 10
75# /usr/xpg4/bin/sh and /bin/ksh to bail out. So keep the unsets
76# deriving from the command substitution clustered with the other
77# ones.
78unset VISUAL EMAIL LANGUAGE COLUMNS $("$PERL_PATH" -e '
79 my @env = keys %ENV;
80 my $ok = join("|", qw(
81 TRACE
82 DEBUG
83 USE_LOOKUP
84 TEST
85 .*_TEST
86 PROVE
87 VALGRIND
88 UNZIP
89 PERF_
90 ));
91 my @vars = grep(/^GIT_/ && !/^GIT_($ok)/o, @env);
92 print join("\n", @vars);
93')
94unset XDG_CONFIG_HOME
95unset GITPERLLIB
96GIT_AUTHOR_EMAIL=author@example.com
97GIT_AUTHOR_NAME='A U Thor'
98GIT_COMMITTER_EMAIL=committer@example.com
99GIT_COMMITTER_NAME='C O Mitter'
100GIT_MERGE_VERBOSITY=5
101GIT_MERGE_AUTOEDIT=no
102export GIT_MERGE_VERBOSITY GIT_MERGE_AUTOEDIT
103export GIT_AUTHOR_EMAIL GIT_AUTHOR_NAME
104export GIT_COMMITTER_EMAIL GIT_COMMITTER_NAME
105export EDITOR
106
107# Add libc MALLOC and MALLOC_PERTURB test
108# only if we are not executing the test with valgrind
109if expr " $GIT_TEST_OPTS " : ".* --valgrind " >/dev/null ||
110 test -n "$TEST_NO_MALLOC_CHECK"
111then
112 setup_malloc_check () {
113 : nothing
114 }
115 teardown_malloc_check () {
116 : nothing
117 }
118else
119 setup_malloc_check () {
120 MALLOC_CHECK_=3 MALLOC_PERTURB_=165
121 export MALLOC_CHECK_ MALLOC_PERTURB_
122 }
123 teardown_malloc_check () {
124 unset MALLOC_CHECK_ MALLOC_PERTURB_
125 }
126fi
127
128# Protect ourselves from common misconfiguration to export
129# CDPATH into the environment
130unset CDPATH
131
132unset GREP_OPTIONS
133unset UNZIP
134
135case $(echo $GIT_TRACE |tr "[A-Z]" "[a-z]") in
1361|2|true)
137 echo "* warning: Some tests will not work if GIT_TRACE" \
138 "is set as to trace on STDERR ! *"
139 echo "* warning: Please set GIT_TRACE to something" \
140 "other than 1, 2 or true ! *"
141 ;;
142esac
143
144# Convenience
145#
146# A regexp to match 5 and 40 hexdigits
147_x05='[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]'
148_x40="$_x05$_x05$_x05$_x05$_x05$_x05$_x05$_x05"
149
150# Zero SHA-1
151_z40=0000000000000000000000000000000000000000
152
153# Line feed
154LF='
155'
156
157export _x05 _x40 _z40 LF
158
159# Each test should start with something like this, after copyright notices:
160#
161# test_description='Description of this test...
162# This test checks if command xyzzy does the right thing...
163# '
164# . ./test-lib.sh
165[ "x$ORIGINAL_TERM" != "xdumb" ] && (
166 TERM=$ORIGINAL_TERM &&
167 export TERM &&
168 [ -t 1 ] &&
169 tput bold >/dev/null 2>&1 &&
170 tput setaf 1 >/dev/null 2>&1 &&
171 tput sgr0 >/dev/null 2>&1
172 ) &&
173 color=t
174
175while test "$#" -ne 0
176do
177 case "$1" in
178 -d|--d|--de|--deb|--debu|--debug)
179 debug=t; shift ;;
180 -i|--i|--im|--imm|--imme|--immed|--immedi|--immedia|--immediat|--immediate)
181 immediate=t; shift ;;
182 -l|--l|--lo|--lon|--long|--long-|--long-t|--long-te|--long-tes|--long-test|--long-tests)
183 GIT_TEST_LONG=t; export GIT_TEST_LONG; shift ;;
184 -h|--h|--he|--hel|--help)
185 help=t; shift ;;
186 -v|--v|--ve|--ver|--verb|--verbo|--verbos|--verbose)
187 verbose=t; shift ;;
188 --verbose-only=*)
189 verbose_only=$(expr "z$1" : 'z[^=]*=\(.*\)')
190 shift ;;
191 -q|--q|--qu|--qui|--quie|--quiet)
192 # Ignore --quiet under a TAP::Harness. Saying how many tests
193 # passed without the ok/not ok details is always an error.
194 test -z "$HARNESS_ACTIVE" && quiet=t; shift ;;
195 --with-dashes)
196 with_dashes=t; shift ;;
197 --no-color)
198 color=; shift ;;
199 --va|--val|--valg|--valgr|--valgri|--valgrin|--valgrind)
200 valgrind=memcheck
201 shift ;;
202 --valgrind=*)
203 valgrind=$(expr "z$1" : 'z[^=]*=\(.*\)')
204 shift ;;
205 --valgrind-only=*)
206 valgrind_only=$(expr "z$1" : 'z[^=]*=\(.*\)')
207 shift ;;
208 --tee)
209 shift ;; # was handled already
210 --root=*)
211 root=$(expr "z$1" : 'z[^=]*=\(.*\)')
212 shift ;;
213 *)
214 echo "error: unknown test option '$1'" >&2; exit 1 ;;
215 esac
216done
217
218if test -n "$valgrind_only"
219then
220 test -z "$valgrind" && valgrind=memcheck
221 test -z "$verbose" && verbose_only="$valgrind_only"
222elif test -n "$valgrind"
223then
224 verbose=t
225fi
226
227if test -n "$color"
228then
229 say_color () {
230 (
231 TERM=$ORIGINAL_TERM
232 export TERM
233 case "$1" in
234 error)
235 tput bold; tput setaf 1;; # bold red
236 skip)
237 tput setaf 4;; # blue
238 warn)
239 tput setaf 3;; # brown/yellow
240 pass)
241 tput setaf 2;; # green
242 info)
243 tput setaf 6;; # cyan
244 *)
245 test -n "$quiet" && return;;
246 esac
247 shift
248 printf "%s" "$*"
249 tput sgr0
250 echo
251 )
252 }
253else
254 say_color() {
255 test -z "$1" && test -n "$quiet" && return
256 shift
257 printf "%s\n" "$*"
258 }
259fi
260
261error () {
262 say_color error "error: $*"
263 GIT_EXIT_OK=t
264 exit 1
265}
266
267say () {
268 say_color info "$*"
269}
270
271test "${test_description}" != "" ||
272error "Test script did not set test_description."
273
274if test "$help" = "t"
275then
276 echo "$test_description"
277 exit 0
278fi
279
280exec 5>&1
281exec 6<&0
282if test "$verbose" = "t"
283then
284 exec 4>&2 3>&1
285else
286 exec 4>/dev/null 3>/dev/null
287fi
288
289test_failure=0
290test_count=0
291test_fixed=0
292test_broken=0
293test_success=0
294
295test_external_has_tap=0
296
297die () {
298 code=$?
299 if test -n "$GIT_EXIT_OK"
300 then
301 exit $code
302 else
303 echo >&5 "FATAL: Unexpected exit with code $code"
304 exit 1
305 fi
306}
307
308GIT_EXIT_OK=
309trap 'die' EXIT
310
311# The user-facing functions are loaded from a separate file so that
312# test_perf subshells can have them too
313. "$TEST_DIRECTORY/test-lib-functions.sh"
314
315# You are not expected to call test_ok_ and test_failure_ directly, use
316# the test_expect_* functions instead.
317
318test_ok_ () {
319 test_success=$(($test_success + 1))
320 say_color "" "ok $test_count - $@"
321}
322
323test_failure_ () {
324 test_failure=$(($test_failure + 1))
325 say_color error "not ok $test_count - $1"
326 shift
327 echo "$@" | sed -e 's/^/# /'
328 test "$immediate" = "" || { GIT_EXIT_OK=t; exit 1; }
329}
330
331test_known_broken_ok_ () {
332 test_fixed=$(($test_fixed+1))
333 say_color error "ok $test_count - $@ # TODO known breakage vanished"
334}
335
336test_known_broken_failure_ () {
337 test_broken=$(($test_broken+1))
338 say_color warn "not ok $test_count - $@ # TODO known breakage"
339}
340
341test_debug () {
342 test "$debug" = "" || eval "$1"
343}
344
345match_pattern_list () {
346 arg="$1"
347 shift
348 test -z "$*" && return 1
349 for pattern_
350 do
351 case "$arg" in
352 $pattern_)
353 return 0
354 esac
355 done
356 return 1
357}
358
359maybe_teardown_verbose () {
360 test -z "$verbose_only" && return
361 exec 4>/dev/null 3>/dev/null
362 verbose=
363}
364
365last_verbose=t
366maybe_setup_verbose () {
367 test -z "$verbose_only" && return
368 if match_pattern_list $test_count $verbose_only
369 then
370 exec 4>&2 3>&1
371 # Emit a delimiting blank line when going from
372 # non-verbose to verbose. Within verbose mode the
373 # delimiter is printed by test_expect_*. The choice
374 # of the initial $last_verbose is such that before
375 # test 1, we do not print it.
376 test -z "$last_verbose" && echo >&3 ""
377 verbose=t
378 else
379 exec 4>/dev/null 3>/dev/null
380 verbose=
381 fi
382 last_verbose=$verbose
383}
384
385maybe_teardown_valgrind () {
386 test -z "$GIT_VALGRIND" && return
387 GIT_VALGRIND_ENABLED=
388}
389
390maybe_setup_valgrind () {
391 test -z "$GIT_VALGRIND" && return
392 if test -z "$valgrind_only"
393 then
394 GIT_VALGRIND_ENABLED=t
395 return
396 fi
397 GIT_VALGRIND_ENABLED=
398 if match_pattern_list $test_count $valgrind_only
399 then
400 GIT_VALGRIND_ENABLED=t
401 fi
402}
403
404test_eval_ () {
405 # This is a separate function because some tests use
406 # "return" to end a test_expect_success block early.
407 eval </dev/null >&3 2>&4 "$*"
408}
409
410test_run_ () {
411 test_cleanup=:
412 expecting_failure=$2
413 setup_malloc_check
414 test_eval_ "$1"
415 eval_ret=$?
416 teardown_malloc_check
417
418 if test -z "$immediate" || test $eval_ret = 0 || test -n "$expecting_failure"
419 then
420 setup_malloc_check
421 test_eval_ "$test_cleanup"
422 teardown_malloc_check
423 fi
424 if test "$verbose" = "t" && test -n "$HARNESS_ACTIVE"
425 then
426 echo ""
427 fi
428 return "$eval_ret"
429}
430
431test_start_ () {
432 test_count=$(($test_count+1))
433 maybe_setup_verbose
434 maybe_setup_valgrind
435}
436
437test_finish_ () {
438 echo >&3 ""
439 maybe_teardown_valgrind
440 maybe_teardown_verbose
441}
442
443test_skip () {
444 to_skip=
445 if match_pattern_list $this_test.$test_count $GIT_SKIP_TESTS
446 then
447 to_skip=t
448 fi
449 if test -z "$to_skip" && test -n "$test_prereq" &&
450 ! test_have_prereq "$test_prereq"
451 then
452 to_skip=t
453 fi
454 case "$to_skip" in
455 t)
456 of_prereq=
457 if test "$missing_prereq" != "$test_prereq"
458 then
459 of_prereq=" of $test_prereq"
460 fi
461
462 say_color skip >&3 "skipping test: $@"
463 say_color skip "ok $test_count # skip $1 (missing $missing_prereq${of_prereq})"
464 : true
465 ;;
466 *)
467 false
468 ;;
469 esac
470}
471
472# stub; perf-lib overrides it
473test_at_end_hook_ () {
474 :
475}
476
477test_done () {
478 GIT_EXIT_OK=t
479
480 # Note: t0000 relies on $HARNESS_ACTIVE disabling the .counts
481 # output file
482 if test -z "$HARNESS_ACTIVE"
483 then
484 test_results_dir="$TEST_OUTPUT_DIRECTORY/test-results"
485 mkdir -p "$test_results_dir"
486 base=${0##*/}
487 test_results_path="$test_results_dir/${base%.sh}-$$.counts"
488
489 cat >>"$test_results_path" <<-EOF
490 total $test_count
491 success $test_success
492 fixed $test_fixed
493 broken $test_broken
494 failed $test_failure
495
496 EOF
497 fi
498
499 if test "$test_fixed" != 0
500 then
501 say_color error "# $test_fixed known breakage(s) vanished; please update test(s)"
502 fi
503 if test "$test_broken" != 0
504 then
505 say_color warn "# still have $test_broken known breakage(s)"
506 fi
507 if test "$test_broken" != 0 || test "$test_fixed" != 0
508 then
509 test_remaining=$(( $test_count - $test_broken - $test_fixed ))
510 msg="remaining $test_remaining test(s)"
511 else
512 test_remaining=$test_count
513 msg="$test_count test(s)"
514 fi
515 case "$test_failure" in
516 0)
517 # Maybe print SKIP message
518 if test -n "$skip_all" && test $test_count -gt 0
519 then
520 error "Can't use skip_all after running some tests"
521 fi
522 [ -z "$skip_all" ] || skip_all=" # SKIP $skip_all"
523
524 if test $test_external_has_tap -eq 0
525 then
526 if test $test_remaining -gt 0
527 then
528 say_color pass "# passed all $msg"
529 fi
530 say "1..$test_count$skip_all"
531 fi
532
533 test -d "$remove_trash" &&
534 cd "$(dirname "$remove_trash")" &&
535 rm -rf "$(basename "$remove_trash")"
536
537 test_at_end_hook_
538
539 exit 0 ;;
540
541 *)
542 if test $test_external_has_tap -eq 0
543 then
544 say_color error "# failed $test_failure among $msg"
545 say "1..$test_count"
546 fi
547
548 exit 1 ;;
549
550 esac
551}
552
553if test -n "$valgrind"
554then
555 make_symlink () {
556 test -h "$2" &&
557 test "$1" = "$(readlink "$2")" || {
558 # be super paranoid
559 if mkdir "$2".lock
560 then
561 rm -f "$2" &&
562 ln -s "$1" "$2" &&
563 rm -r "$2".lock
564 else
565 while test -d "$2".lock
566 do
567 say "Waiting for lock on $2."
568 sleep 1
569 done
570 fi
571 }
572 }
573
574 make_valgrind_symlink () {
575 # handle only executables, unless they are shell libraries that
576 # need to be in the exec-path.
577 test -x "$1" ||
578 test "# " = "$(head -c 2 <"$1")" ||
579 return;
580
581 base=$(basename "$1")
582 symlink_target=$GIT_BUILD_DIR/$base
583 # do not override scripts
584 if test -x "$symlink_target" &&
585 test ! -d "$symlink_target" &&
586 test "#!" != "$(head -c 2 < "$symlink_target")"
587 then
588 symlink_target=../valgrind.sh
589 fi
590 case "$base" in
591 *.sh|*.perl)
592 symlink_target=../unprocessed-script
593 esac
594 # create the link, or replace it if it is out of date
595 make_symlink "$symlink_target" "$GIT_VALGRIND/bin/$base" || exit
596 }
597
598 # override all git executables in TEST_DIRECTORY/..
599 GIT_VALGRIND=$TEST_DIRECTORY/valgrind
600 mkdir -p "$GIT_VALGRIND"/bin
601 for file in $GIT_BUILD_DIR/git* $GIT_BUILD_DIR/test-*
602 do
603 make_valgrind_symlink $file
604 done
605 # special-case the mergetools loadables
606 make_symlink "$GIT_BUILD_DIR"/mergetools "$GIT_VALGRIND/bin/mergetools"
607 OLDIFS=$IFS
608 IFS=:
609 for path in $PATH
610 do
611 ls "$path"/git-* 2> /dev/null |
612 while read file
613 do
614 make_valgrind_symlink "$file"
615 done
616 done
617 IFS=$OLDIFS
618 PATH=$GIT_VALGRIND/bin:$PATH
619 GIT_EXEC_PATH=$GIT_VALGRIND/bin
620 export GIT_VALGRIND
621 GIT_VALGRIND_MODE="$valgrind"
622 export GIT_VALGRIND_MODE
623 GIT_VALGRIND_ENABLED=t
624 test -n "$valgrind_only" && GIT_VALGRIND_ENABLED=
625 export GIT_VALGRIND_ENABLED
626elif test -n "$GIT_TEST_INSTALLED"
627then
628 GIT_EXEC_PATH=$($GIT_TEST_INSTALLED/git --exec-path) ||
629 error "Cannot run git from $GIT_TEST_INSTALLED."
630 PATH=$GIT_TEST_INSTALLED:$GIT_BUILD_DIR:$PATH
631 GIT_EXEC_PATH=${GIT_TEST_EXEC_PATH:-$GIT_EXEC_PATH}
632else # normal case, use ../bin-wrappers only unless $with_dashes:
633 git_bin_dir="$GIT_BUILD_DIR/bin-wrappers"
634 if ! test -x "$git_bin_dir/git"
635 then
636 if test -z "$with_dashes"
637 then
638 say "$git_bin_dir/git is not executable; using GIT_EXEC_PATH"
639 fi
640 with_dashes=t
641 fi
642 PATH="$git_bin_dir:$PATH"
643 GIT_EXEC_PATH=$GIT_BUILD_DIR
644 if test -n "$with_dashes"
645 then
646 PATH="$GIT_BUILD_DIR:$PATH"
647 fi
648fi
649GIT_TEMPLATE_DIR="$GIT_BUILD_DIR"/templates/blt
650unset GIT_CONFIG
651GIT_CONFIG_NOSYSTEM=1
652GIT_ATTR_NOSYSTEM=1
653export PATH GIT_EXEC_PATH GIT_TEMPLATE_DIR GIT_CONFIG_NOSYSTEM GIT_ATTR_NOSYSTEM
654
655if test -z "$GIT_TEST_CMP"
656then
657 if test -n "$GIT_TEST_CMP_USE_COPIED_CONTEXT"
658 then
659 GIT_TEST_CMP="$DIFF -c"
660 else
661 GIT_TEST_CMP="$DIFF -u"
662 fi
663fi
664
665GITPERLLIB="$GIT_BUILD_DIR"/perl/blib/lib:"$GIT_BUILD_DIR"/perl/blib/arch/auto/Git
666export GITPERLLIB
667test -d "$GIT_BUILD_DIR"/templates/blt || {
668 error "You haven't built things yet, have you?"
669}
670
671if ! test -x "$GIT_BUILD_DIR"/test-chmtime
672then
673 echo >&2 'You need to build test-chmtime:'
674 echo >&2 'Run "make test-chmtime" in the source (toplevel) directory'
675 exit 1
676fi
677
678# Test repository
679TRASH_DIRECTORY="trash directory.$(basename "$0" .sh)"
680test -n "$root" && TRASH_DIRECTORY="$root/$TRASH_DIRECTORY"
681case "$TRASH_DIRECTORY" in
682/*) ;; # absolute path is good
683 *) TRASH_DIRECTORY="$TEST_OUTPUT_DIRECTORY/$TRASH_DIRECTORY" ;;
684esac
685test ! -z "$debug" || remove_trash=$TRASH_DIRECTORY
686rm -fr "$TRASH_DIRECTORY" || {
687 GIT_EXIT_OK=t
688 echo >&5 "FATAL: Cannot prepare test area"
689 exit 1
690}
691
692HOME="$TRASH_DIRECTORY"
693export HOME
694
695if test -z "$TEST_NO_CREATE_REPO"
696then
697 test_create_repo "$TRASH_DIRECTORY"
698else
699 mkdir -p "$TRASH_DIRECTORY"
700fi
701# Use -P to resolve symlinks in our working directory so that the cwd
702# in subprocesses like git equals our $PWD (for pathname comparisons).
703cd -P "$TRASH_DIRECTORY" || exit 1
704
705this_test=${0##*/}
706this_test=${this_test%%-*}
707if match_pattern_list "$this_test" $GIT_SKIP_TESTS
708then
709 say_color info >&3 "skipping test $this_test altogether"
710 skip_all="skip all tests in $this_test"
711 test_done
712fi
713
714# Provide an implementation of the 'yes' utility
715yes () {
716 if test $# = 0
717 then
718 y=y
719 else
720 y="$*"
721 fi
722
723 while echo "$y"
724 do
725 :
726 done
727}
728
729# Fix some commands on Windows
730case $(uname -s) in
731*MINGW*)
732 # Windows has its own (incompatible) sort and find
733 sort () {
734 /usr/bin/sort "$@"
735 }
736 find () {
737 /usr/bin/find "$@"
738 }
739 sum () {
740 md5sum "$@"
741 }
742 # git sees Windows-style pwd
743 pwd () {
744 builtin pwd -W
745 }
746 # no POSIX permissions
747 # backslashes in pathspec are converted to '/'
748 # exec does not inherit the PID
749 test_set_prereq MINGW
750 test_set_prereq NOT_CYGWIN
751 test_set_prereq SED_STRIPS_CR
752 test_set_prereq GREP_STRIPS_CR
753 GIT_TEST_CMP=mingw_test_cmp
754 ;;
755*CYGWIN*)
756 test_set_prereq POSIXPERM
757 test_set_prereq EXECKEEPSPID
758 test_set_prereq NOT_MINGW
759 test_set_prereq CYGWIN
760 test_set_prereq SED_STRIPS_CR
761 test_set_prereq GREP_STRIPS_CR
762 ;;
763*)
764 test_set_prereq POSIXPERM
765 test_set_prereq BSLASHPSPEC
766 test_set_prereq EXECKEEPSPID
767 test_set_prereq NOT_MINGW
768 test_set_prereq NOT_CYGWIN
769 ;;
770esac
771
772( COLUMNS=1 && test $COLUMNS = 1 ) && test_set_prereq COLUMNS_CAN_BE_1
773test -z "$NO_PERL" && test_set_prereq PERL
774test -z "$NO_PYTHON" && test_set_prereq PYTHON
775test -n "$USE_LIBPCRE" && test_set_prereq LIBPCRE
776test -z "$NO_GETTEXT" && test_set_prereq GETTEXT
777
778# Can we rely on git's output in the C locale?
779if test -n "$GETTEXT_POISON"
780then
781 GIT_GETTEXT_POISON=YesPlease
782 export GIT_GETTEXT_POISON
783 test_set_prereq GETTEXT_POISON
784else
785 test_set_prereq C_LOCALE_OUTPUT
786fi
787
788# Use this instead of test_cmp to compare files that contain expected and
789# actual output from git commands that can be translated. When running
790# under GETTEXT_POISON this pretends that the command produced expected
791# results.
792test_i18ncmp () {
793 test -n "$GETTEXT_POISON" || test_cmp "$@"
794}
795
796# Use this instead of "grep expected-string actual" to see if the
797# output from a git command that can be translated either contains an
798# expected string, or does not contain an unwanted one. When running
799# under GETTEXT_POISON this pretends that the command produced expected
800# results.
801test_i18ngrep () {
802 if test -n "$GETTEXT_POISON"
803 then
804 : # pretend success
805 elif test "x!" = "x$1"
806 then
807 shift
808 ! grep "$@"
809 else
810 grep "$@"
811 fi
812}
813
814test_lazy_prereq PIPE '
815 # test whether the filesystem supports FIFOs
816 case $(uname -s) in
817 CYGWIN*)
818 false
819 ;;
820 *)
821 rm -f testfifo && mkfifo testfifo
822 ;;
823 esac
824'
825
826test_lazy_prereq SYMLINKS '
827 # test whether the filesystem supports symbolic links
828 ln -s x y && test -h y
829'
830
831test_lazy_prereq FILEMODE '
832 test "$(git config --bool core.filemode)" = true
833'
834
835test_lazy_prereq CASE_INSENSITIVE_FS '
836 echo good >CamelCase &&
837 echo bad >camelcase &&
838 test "$(cat CamelCase)" != good
839'
840
841test_lazy_prereq UTF8_NFD_TO_NFC '
842 # check whether FS converts nfd unicode to nfc
843 auml=$(printf "\303\244")
844 aumlcdiar=$(printf "\141\314\210")
845 >"$auml" &&
846 case "$(echo *)" in
847 "$aumlcdiar")
848 true ;;
849 *)
850 false ;;
851 esac
852'
853
854test_lazy_prereq AUTOIDENT '
855 sane_unset GIT_AUTHOR_NAME &&
856 sane_unset GIT_AUTHOR_EMAIL &&
857 git var GIT_AUTHOR_IDENT
858'
859
860# When the tests are run as root, permission tests will report that
861# things are writable when they shouldn't be.
862test -w / || test_set_prereq SANITY
863
864GIT_UNZIP=${GIT_UNZIP:-unzip}
865test_lazy_prereq UNZIP '
866 "$GIT_UNZIP" -v
867 test $? -ne 127
868'