archive: clarify explanation of --worktree-attributes
[git/git.git] / t / test-lib.sh
CommitLineData
e1970ce4
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1#!/bin/sh
2#
3# Copyright (c) 2005 Junio C Hamano
4#
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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/ .
e1970ce4 17
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18# Keep the original TERM for say_color
19ORIGINAL_TERM=$TERM
20
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21# Test the binaries we have just built. The tests are kept in
22# t/ subdirectory and are run in 'trash directory' subdirectory.
23if test -z "$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
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38################################################################
39# It appears that people try to run tests without building...
40"$GIT_BUILD_DIR/git" >/dev/null
41if test $? != 1
42then
43 echo >&2 'error: you do not seem to have built git yet.'
44 exit 1
45fi
46
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47. "$GIT_BUILD_DIR"/GIT-BUILD-OPTIONS
48export PERL_PATH SHELL_PATH
49
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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, $* " in
53done,*)
54 # do not redirect again
55 ;;
56*' --tee '*|*' --va'*)
57 mkdir -p test-results
58 BASE=test-results/$(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
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66# For repeatability, reset the environment to known value.
67LANG=C
899460f3 68LC_ALL=C
d9bdd39e 69PAGER=cat
e1970ce4 70TZ=UTC
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71TERM=dumb
72export LANG LC_ALL PAGER TERM TZ
8ff99e74 73EDITOR=:
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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.
3c8f12c9 78unset VISUAL EMAIL LANGUAGE COLUMNS $("$PERL_PATH" -e '
95a1d12e 79 my @env = keys %ENV;
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80 my $ok = join("|", qw(
81 TRACE
82 DEBUG
83 USE_LOOKUP
84 TEST
85 .*_TEST
86 PROVE
87 VALGRIND
ac001282 88 UNZIP
edb54081 89 PERF_
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90 ));
91 my @vars = grep(/^GIT_/ && !/^GIT_($ok)/o, @env);
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92 print join("\n", @vars);
93')
5adf84eb 94unset XDG_CONFIG_HOME
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95GIT_AUTHOR_EMAIL=author@example.com
96GIT_AUTHOR_NAME='A U Thor'
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97GIT_COMMITTER_EMAIL=committer@example.com
98GIT_COMMITTER_NAME='C O Mitter'
8d0fc48f 99GIT_MERGE_VERBOSITY=5
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100GIT_MERGE_AUTOEDIT=no
101export GIT_MERGE_VERBOSITY GIT_MERGE_AUTOEDIT
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102export GIT_AUTHOR_EMAIL GIT_AUTHOR_NAME
103export GIT_COMMITTER_EMAIL GIT_COMMITTER_NAME
d33738d7 104export EDITOR
e1970ce4 105
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106# Add libc MALLOC and MALLOC_PERTURB test
107# only if we are not executing the test with valgrind
1b3185fc 108if expr " $GIT_TEST_OPTS " : ".* --valgrind " >/dev/null ||
ee1431bf 109 test -n "$TEST_NO_MALLOC_CHECK"
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110then
111 setup_malloc_check () {
112 : nothing
113 }
114 teardown_malloc_check () {
115 : nothing
116 }
117else
118 setup_malloc_check () {
119 MALLOC_CHECK_=3 MALLOC_PERTURB_=165
120 export MALLOC_CHECK_ MALLOC_PERTURB_
121 }
122 teardown_malloc_check () {
123 unset MALLOC_CHECK_ MALLOC_PERTURB_
124 }
125fi
a731fa91 126
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127# Protect ourselves from common misconfiguration to export
128# CDPATH into the environment
129unset CDPATH
130
5565f47c 131unset GREP_OPTIONS
ac001282 132unset UNZIP
5565f47c 133
3d5c0cc9 134case $(echo $GIT_TRACE |tr "[A-Z]" "[a-z]") in
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1351|2|true)
136 echo "* warning: Some tests will not work if GIT_TRACE" \
137 "is set as to trace on STDERR ! *"
138 echo "* warning: Please set GIT_TRACE to something" \
139 "other than 1, 2 or true ! *"
140 ;;
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141esac
142
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143# Convenience
144#
145# A regexp to match 5 and 40 hexdigits
146_x05='[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]'
147_x40="$_x05$_x05$_x05$_x05$_x05$_x05$_x05$_x05"
148
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149# Zero SHA-1
150_z40=0000000000000000000000000000000000000000
151
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152# Line feed
153LF='
154'
155
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156export _x05 _x40 _z40 LF
157
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158# Each test should start with something like this, after copyright notices:
159#
160# test_description='Description of this test...
161# This test checks if command xyzzy does the right thing...
162# '
163# . ./test-lib.sh
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164[ "x$ORIGINAL_TERM" != "xdumb" ] && (
165 TERM=$ORIGINAL_TERM &&
166 export TERM &&
167 [ -t 1 ] &&
168 tput bold >/dev/null 2>&1 &&
169 tput setaf 1 >/dev/null 2>&1 &&
170 tput sgr0 >/dev/null 2>&1
171 ) &&
55db1df0 172 color=t
e1970ce4 173
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174while test "$#" -ne 0
175do
176 case "$1" in
177 -d|--d|--de|--deb|--debu|--debug)
178 debug=t; shift ;;
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179 -i|--i|--im|--imm|--imme|--immed|--immedi|--immedia|--immediat|--immediate)
180 immediate=t; shift ;;
5e2c08c6 181 -l|--l|--lo|--lon|--long|--long-|--long-t|--long-te|--long-tes|--long-test|--long-tests)
91e80b98 182 GIT_TEST_LONG=t; export GIT_TEST_LONG; shift ;;
e1970ce4 183 -h|--h|--he|--hel|--help)
570f3226 184 help=t; shift ;;
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185 -v|--v|--ve|--ver|--verb|--verbo|--verbos|--verbose)
186 verbose=t; shift ;;
1ece1274 187 -q|--q|--qu|--qui|--quie|--quiet)
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188 # Ignore --quiet under a TAP::Harness. Saying how many tests
189 # passed without the ok/not ok details is always an error.
190 test -z "$HARNESS_ACTIVE" && quiet=t; shift ;;
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191 --with-dashes)
192 with_dashes=t; shift ;;
55db1df0 193 --no-color)
faa4bc35 194 color=; shift ;;
4e1be63c 195 --va|--val|--valg|--valgr|--valgri|--valgrin|--valgrind)
3da93652 196 valgrind=t; verbose=t; shift ;;
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197 --tee)
198 shift ;; # was handled already
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199 --root=*)
200 root=$(expr "z$1" : 'z[^=]*=\(.*\)')
201 shift ;;
e1970ce4 202 *)
1f729dca 203 echo "error: unknown test option '$1'" >&2; exit 1 ;;
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204 esac
205done
206
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207if test -n "$color"
208then
55db1df0 209 say_color () {
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210 (
211 TERM=$ORIGINAL_TERM
212 export TERM
55db1df0 213 case "$1" in
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214 error)
215 tput bold; tput setaf 1;; # bold red
216 skip)
b8fc855a 217 tput setaf 4;; # blue
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218 warn)
219 tput setaf 3;; # brown/yellow
1c0cc756 220 pass)
0a6d4751 221 tput setaf 2;; # green
1c0cc756 222 info)
0a6d4751 223 tput setaf 6;; # cyan
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224 *)
225 test -n "$quiet" && return;;
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226 esac
227 shift
5099b99d 228 printf "%s" "$*"
55db1df0 229 tput sgr0
b8eecafd 230 echo
c2116a17 231 )
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232 }
233else
234 say_color() {
1ece1274 235 test -z "$1" && test -n "$quiet" && return
55db1df0 236 shift
7bc0911d 237 printf "%s\n" "$*"
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238 }
239fi
240
241error () {
242 say_color error "error: $*"
6e7b5aaf 243 GIT_EXIT_OK=t
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244 exit 1
245}
246
247say () {
248 say_color info "$*"
249}
250
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251test "${test_description}" != "" ||
252error "Test script did not set test_description."
253
254if test "$help" = "t"
255then
256 echo "$test_description"
257 exit 0
258fi
259
4d9d62fa 260exec 5>&1
781f76b1 261exec 6<&0
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262if test "$verbose" = "t"
263then
264 exec 4>&2 3>&1
265else
266 exec 4>/dev/null 3>/dev/null
267fi
268
269test_failure=0
270test_count=0
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271test_fixed=0
272test_broken=0
2d84e9fb 273test_success=0
e1970ce4 274
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275test_external_has_tap=0
276
faa4bc35 277die () {
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278 code=$?
279 if test -n "$GIT_EXIT_OK"
280 then
281 exit $code
282 else
283 echo >&5 "FATAL: Unexpected exit with code $code"
284 exit 1
285 fi
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286}
287
6e7b5aaf 288GIT_EXIT_OK=
35641310 289trap 'die' EXIT
41184273 290
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291# The user-facing functions are loaded from a separate file so that
292# test_perf subshells can have them too
3c8f12c9 293. "$TEST_DIRECTORY/test-lib-functions.sh"
05236a5e 294
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295# You are not expected to call test_ok_ and test_failure_ directly, use
296# the text_expect_* functions instead.
297
298test_ok_ () {
d5d9de1b 299 test_success=$(($test_success + 1))
5099b99d 300 say_color "" "ok $test_count - $@"
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301}
302
886856ab 303test_failure_ () {
d5d9de1b 304 test_failure=$(($test_failure + 1))
5e5c006e 305 say_color error "not ok $test_count - $1"
bf0dd8a8 306 shift
5099b99d 307 echo "$@" | sed -e 's/^/# /'
6e7b5aaf 308 test "$immediate" = "" || { GIT_EXIT_OK=t; exit 1; }
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309}
310
41ac414e 311test_known_broken_ok_ () {
41ac414e 312 test_fixed=$(($test_fixed+1))
b73d9a23 313 say_color error "ok $test_count - $@ # TODO known breakage vanished"
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314}
315
316test_known_broken_failure_ () {
41ac414e 317 test_broken=$(($test_broken+1))
e8e51955 318 say_color warn "not ok $test_count - $@ # TODO known breakage"
41ac414e 319}
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320
321test_debug () {
8e832ebc 322 test "$debug" = "" || eval "$1"
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323}
324
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325test_eval_ () {
326 # This is a separate function because some tests use
327 # "return" to end a test_expect_success block early.
781f76b1 328 eval </dev/null >&3 2>&4 "$*"
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329}
330
4d9d62fa 331test_run_ () {
b6b0afdc 332 test_cleanup=:
b586744a 333 expecting_failure=$2
a7c58f28 334 test_eval_ "$1"
b6b0afdc 335 eval_ret=$?
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336
337 if test -z "$immediate" || test $eval_ret = 0 || test -n "$expecting_failure"
338 then
1b3185fc 339 setup_malloc_check
a7c58f28 340 test_eval_ "$test_cleanup"
1b3185fc 341 teardown_malloc_check
b586744a 342 fi
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343 if test "$verbose" = "t" && test -n "$HARNESS_ACTIVE"
344 then
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345 echo ""
346 fi
aa0bcf96 347 return "$eval_ret"
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348}
349
04ece593 350test_skip () {
8586f98b 351 test_count=$(($test_count+1))
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352 to_skip=
353 for skp in $GIT_SKIP_TESTS
354 do
8586f98b 355 case $this_test.$test_count in
04ece593
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356 $skp)
357 to_skip=t
47e67d47 358 break
04ece593
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359 esac
360 done
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361 if test -z "$to_skip" && test -n "$test_prereq" &&
362 ! test_have_prereq "$test_prereq"
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363 then
364 to_skip=t
365 fi
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366 case "$to_skip" in
367 t)
07431fc8 368 of_prereq=
05236a5e 369 if test "$missing_prereq" != "$test_prereq"
07431fc8 370 then
05236a5e 371 of_prereq=" of $test_prereq"
07431fc8
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372 fi
373
55db1df0 374 say_color skip >&3 "skipping test: $@"
07431fc8 375 say_color skip "ok $test_count # skip $1 (missing $missing_prereq${of_prereq})"
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376 : true
377 ;;
378 *)
379 false
380 ;;
381 esac
382}
383
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384# stub; perf-lib overrides it
385test_at_end_hook_ () {
386 :
387}
388
e1970ce4 389test_done () {
6e7b5aaf 390 GIT_EXIT_OK=t
2d84e9fb 391
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392 if test -z "$HARNESS_ACTIVE"
393 then
342e9ef2 394 test_results_dir="$TEST_OUTPUT_DIRECTORY/test-results"
8ef1abe5 395 mkdir -p "$test_results_dir"
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396 base=${0##*/}
397 test_results_path="$test_results_dir/${base%.sh}-$$.counts"
8ef1abe5 398
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399 cat >>"$test_results_path" <<-EOF
400 total $test_count
401 success $test_success
402 fixed $test_fixed
403 broken $test_broken
404 failed $test_failure
405
406 EOF
8ef1abe5 407 fi
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408
409 if test "$test_fixed" != 0
410 then
b73d9a23 411 say_color error "# $test_fixed known breakage(s) vanished; please update test(s)"
41ac414e
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412 fi
413 if test "$test_broken" != 0
414 then
e8e51955 415 say_color warn "# still have $test_broken known breakage(s)"
b73d9a23
AS
416 fi
417 if test "$test_broken" != 0 || test "$test_fixed" != 0
418 then
419 test_remaining=$(( $test_count - $test_broken - $test_fixed ))
420 msg="remaining $test_remaining test(s)"
11d54b8b 421 else
b73d9a23 422 test_remaining=$test_count
11d54b8b 423 msg="$test_count test(s)"
41ac414e 424 fi
e1970ce4 425 case "$test_failure" in
10b94e28 426 0)
5099b99d 427 # Maybe print SKIP message
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428 if test -n "$skip_all" && test $test_count -gt 0
429 then
430 error "Can't use skip_all after running some tests"
431 fi
5099b99d
ÆAB
432 [ -z "$skip_all" ] || skip_all=" # SKIP $skip_all"
433
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434 if test $test_external_has_tap -eq 0
435 then
b73d9a23 436 if test $test_remaining -gt 0
d87bd7c1
RJ
437 then
438 say_color pass "# passed all $msg"
439 fi
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ÆAB
440 say "1..$test_count$skip_all"
441 fi
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442
443 test -d "$remove_trash" &&
444 cd "$(dirname "$remove_trash")" &&
445 rm -rf "$(basename "$remove_trash")"
446
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447 test_at_end_hook_
448
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449 exit 0 ;;
450
451 *)
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452 if test $test_external_has_tap -eq 0
453 then
d998bd4a
ÆAB
454 say_color error "# failed $test_failure among $msg"
455 say "1..$test_count"
456 fi
5099b99d 457
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458 exit 1 ;;
459
460 esac
461}
462
e4597aae 463if test -n "$valgrind"
4e1be63c 464then
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465 make_symlink () {
466 test -h "$2" &&
467 test "$1" = "$(readlink "$2")" || {
468 # be super paranoid
469 if mkdir "$2".lock
470 then
471 rm -f "$2" &&
472 ln -s "$1" "$2" &&
473 rm -r "$2".lock
474 else
475 while test -d "$2".lock
476 do
477 say "Waiting for lock on $2."
478 sleep 1
479 done
480 fi
481 }
482 }
483
484 make_valgrind_symlink () {
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485 # handle only executables, unless they are shell libraries that
486 # need to be in the exec-path. We will just use "#!" as a
487 # guess for a shell-script, since we have no idea what the user
488 # may have configured as the shell path.
489 test -x "$1" ||
490 test "#!" = "$(head -c 2 <"$1")" ||
491 return;
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492
493 base=$(basename "$1")
6cec5c68 494 symlink_target=$GIT_BUILD_DIR/$base
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495 # do not override scripts
496 if test -x "$symlink_target" &&
497 test ! -d "$symlink_target" &&
498 test "#!" != "$(head -c 2 < "$symlink_target")"
499 then
500 symlink_target=../valgrind.sh
501 fi
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502 case "$base" in
503 *.sh|*.perl)
504 symlink_target=../unprocessed-script
505 esac
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506 # create the link, or replace it if it is out of date
507 make_symlink "$symlink_target" "$GIT_VALGRIND/bin/$base" || exit
508 }
509
510 # override all git executables in TEST_DIRECTORY/..
511 GIT_VALGRIND=$TEST_DIRECTORY/valgrind
512 mkdir -p "$GIT_VALGRIND"/bin
6cec5c68 513 for file in $GIT_BUILD_DIR/git* $GIT_BUILD_DIR/test-*
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514 do
515 make_valgrind_symlink $file
516 done
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517 # special-case the mergetools loadables
518 make_symlink "$GIT_BUILD_DIR"/mergetools "$GIT_VALGRIND/bin/mergetools"
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519 OLDIFS=$IFS
520 IFS=:
521 for path in $PATH
522 do
523 ls "$path"/git-* 2> /dev/null |
524 while read file
525 do
526 make_valgrind_symlink "$file"
527 done
528 done
529 IFS=$OLDIFS
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530 PATH=$GIT_VALGRIND/bin:$PATH
531 GIT_EXEC_PATH=$GIT_VALGRIND/bin
532 export GIT_VALGRIND
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533elif test -n "$GIT_TEST_INSTALLED"
534then
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535 GIT_EXEC_PATH=$($GIT_TEST_INSTALLED/git --exec-path) ||
536 error "Cannot run git from $GIT_TEST_INSTALLED."
6cec5c68 537 PATH=$GIT_TEST_INSTALLED:$GIT_BUILD_DIR:$PATH
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538 GIT_EXEC_PATH=${GIT_TEST_EXEC_PATH:-$GIT_EXEC_PATH}
539else # normal case, use ../bin-wrappers only unless $with_dashes:
6cec5c68 540 git_bin_dir="$GIT_BUILD_DIR/bin-wrappers"
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541 if ! test -x "$git_bin_dir/git"
542 then
543 if test -z "$with_dashes"
544 then
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545 say "$git_bin_dir/git is not executable; using GIT_EXEC_PATH"
546 fi
547 with_dashes=t
548 fi
549 PATH="$git_bin_dir:$PATH"
6cec5c68 550 GIT_EXEC_PATH=$GIT_BUILD_DIR
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551 if test -n "$with_dashes"
552 then
6cec5c68 553 PATH="$GIT_BUILD_DIR:$PATH"
e4597aae 554 fi
4e1be63c 555fi
6cec5c68 556GIT_TEMPLATE_DIR="$GIT_BUILD_DIR"/templates/blt
8bfa6bd6 557unset GIT_CONFIG
8bfa6bd6 558GIT_CONFIG_NOSYSTEM=1
3c995beb 559GIT_ATTR_NOSYSTEM=1
8f323c00 560export PATH GIT_EXEC_PATH GIT_TEMPLATE_DIR GIT_CONFIG_NOSYSTEM GIT_ATTR_NOSYSTEM
49ccb087 561
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562if test -z "$GIT_TEST_CMP"
563then
564 if test -n "$GIT_TEST_CMP_USE_COPIED_CONTEXT"
565 then
566 GIT_TEST_CMP="$DIFF -c"
567 else
568 GIT_TEST_CMP="$DIFF -u"
569 fi
570fi
571
6cec5c68 572GITPERLLIB="$GIT_BUILD_DIR"/perl/blib/lib:"$GIT_BUILD_DIR"/perl/blib/arch/auto/Git
6fcca938 573export GITPERLLIB
6cec5c68 574test -d "$GIT_BUILD_DIR"/templates/blt || {
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575 error "You haven't built things yet, have you?"
576}
e1970ce4 577
ac10a857 578if test -z "$GIT_TEST_INSTALLED" && test -z "$NO_PYTHON"
2fe40b63 579then
6cec5c68 580 GITPYTHONLIB="$GIT_BUILD_DIR/git_remote_helpers/build/lib"
2fe40b63 581 export GITPYTHONLIB
6cec5c68 582 test -d "$GIT_BUILD_DIR"/git_remote_helpers/build || {
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583 error "You haven't built git_remote_helpers yet, have you?"
584 }
585fi
586
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587if ! test -x "$GIT_BUILD_DIR"/test-chmtime
588then
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589 echo >&2 'You need to build test-chmtime:'
590 echo >&2 'Run "make test-chmtime" in the source (toplevel) directory'
591 exit 1
592fi
593
e1970ce4 594# Test repository
abc5d372 595test="trash directory.$(basename "$0" .sh)"
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596test -n "$root" && test="$root/$test"
597case "$test" in
598/*) TRASH_DIRECTORY="$test" ;;
342e9ef2 599 *) TRASH_DIRECTORY="$TEST_OUTPUT_DIRECTORY/$test" ;;
f423ef5f 600esac
91c8b825 601test ! -z "$debug" || remove_trash=$TRASH_DIRECTORY
8d14ac94 602rm -fr "$test" || {
6e7b5aaf 603 GIT_EXIT_OK=t
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604 echo >&5 "FATAL: Cannot prepare test area"
605 exit 1
606}
607
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608HOME="$TRASH_DIRECTORY"
609export HOME
610
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611if test -z "$TEST_NO_CREATE_REPO"
612then
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613 test_create_repo "$test"
614else
615 mkdir -p "$test"
616fi
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LW
617# Use -P to resolve symlinks in our working directory so that the cwd
618# in subprocesses like git equals our $PWD (for pathname comparisons).
619cd -P "$test" || exit 1
04ece593 620
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621this_test=${0##*/}
622this_test=${this_test%%-*}
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623for skp in $GIT_SKIP_TESTS
624do
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625 case "$this_test" in
626 $skp)
0a6d4751 627 say_color info >&3 "skipping test $this_test altogether"
637ab29b 628 skip_all="skip all tests in $this_test"
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629 test_done
630 esac
631done
f17e9fbb 632
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BC
633# Provide an implementation of the 'yes' utility
634yes () {
635 if test $# = 0
636 then
637 y=y
638 else
639 y="$*"
640 fi
641
642 while echo "$y"
643 do
644 :
645 done
646}
647
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648# Fix some commands on Windows
649case $(uname -s) in
650*MINGW*)
651 # Windows has its own (incompatible) sort and find
652 sort () {
653 /usr/bin/sort "$@"
654 }
655 find () {
656 /usr/bin/find "$@"
657 }
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658 sum () {
659 md5sum "$@"
660 }
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661 # git sees Windows-style pwd
662 pwd () {
663 builtin pwd -W
664 }
ee9fb68c 665 # no POSIX permissions
6fd1106a 666 # backslashes in pathspec are converted to '/'
fb9a2bea 667 # exec does not inherit the PID
a94114ad 668 test_set_prereq MINGW
cfa96496 669 test_set_prereq NOT_CYGWIN
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670 test_set_prereq SED_STRIPS_CR
671 ;;
672*CYGWIN*)
673 test_set_prereq POSIXPERM
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674 test_set_prereq EXECKEEPSPID
675 test_set_prereq NOT_MINGW
cfa96496 676 test_set_prereq CYGWIN
a31d0665 677 test_set_prereq SED_STRIPS_CR
ee9fb68c
JS
678 ;;
679*)
680 test_set_prereq POSIXPERM
6fd1106a 681 test_set_prereq BSLASHPSPEC
fb9a2bea 682 test_set_prereq EXECKEEPSPID
3ba9ba8f 683 test_set_prereq NOT_MINGW
cfa96496 684 test_set_prereq NOT_CYGWIN
f17e9fbb
JS
685 ;;
686esac
704a3143 687
b082687c 688( COLUMNS=1 && test $COLUMNS = 1 ) && test_set_prereq COLUMNS_CAN_BE_1
1b19ccd2 689test -z "$NO_PERL" && test_set_prereq PERL
d4e1b47a 690test -z "$NO_PYTHON" && test_set_prereq PYTHON
8f852ce6 691test -n "$USE_LIBPCRE" && test_set_prereq LIBPCRE
5e9637c6 692test -z "$NO_GETTEXT" && test_set_prereq GETTEXT
1b19ccd2 693
bb946bba 694# Can we rely on git's output in the C locale?
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695if test -n "$GETTEXT_POISON"
696then
697 GIT_GETTEXT_POISON=YesPlease
698 export GIT_GETTEXT_POISON
5e9637c6 699 test_set_prereq GETTEXT_POISON
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700else
701 test_set_prereq C_LOCALE_OUTPUT
702fi
bb946bba 703
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JH
704# Use this instead of test_cmp to compare files that contain expected and
705# actual output from git commands that can be translated. When running
706# under GETTEXT_POISON this pretends that the command produced expected
707# results.
708test_i18ncmp () {
709 test -n "$GETTEXT_POISON" || test_cmp "$@"
710}
711
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JH
712# Use this instead of "grep expected-string actual" to see if the
713# output from a git command that can be translated either contains an
714# expected string, or does not contain an unwanted one. When running
715# under GETTEXT_POISON this pretends that the command produced expected
716# results.
717test_i18ngrep () {
718 if test -n "$GETTEXT_POISON"
719 then
720 : # pretend success
721 elif test "x!" = "x$1"
722 then
723 shift
724 ! grep "$@"
725 else
726 grep "$@"
727 fi
728}
729
04083f27
JH
730test_lazy_prereq SYMLINKS '
731 # test whether the filesystem supports symbolic links
732 ln -s x y && test -h y
733'
c91cfd19 734
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MG
735test_lazy_prereq CASE_INSENSITIVE_FS '
736 echo good >CamelCase &&
737 echo bad >camelcase &&
738 test "$(cat CamelCase)" != good
739'
740
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MG
741test_lazy_prereq UTF8_NFD_TO_NFC '
742 # check whether FS converts nfd unicode to nfc
743 auml=$(printf "\303\244")
744 aumlcdiar=$(printf "\141\314\210")
745 >"$auml" &&
746 case "$(echo *)" in
747 "$aumlcdiar")
748 true ;;
749 *)
750 false ;;
751 esac
752'
753
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754test_lazy_prereq AUTOIDENT '
755 sane_unset GIT_AUTHOR_NAME &&
756 sane_unset GIT_AUTHOR_EMAIL &&
757 git var GIT_AUTHOR_IDENT
758'
759
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760# When the tests are run as root, permission tests will report that
761# things are writable when they shouldn't be.
762test -w / || test_set_prereq SANITY
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JK
763
764GIT_UNZIP=${GIT_UNZIP:-unzip}
765test_lazy_prereq UNZIP '
766 "$GIT_UNZIP" -v
767 test $? -ne 127
768'