1 # Library of functions shared by all tests scripts, included by
4 # Copyright (c) 2005 Junio C Hamano
6 # This program is free software: you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation, either version 2 of the License, or
9 # (at your option) any later version.
11 # This program is distributed in the hope that it will be useful,
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 # GNU General Public License for more details.
16 # You should have received a copy of the GNU General Public License
17 # along with this program. If not, see http://www.gnu.org/licenses/ .
19 # The semantics of the editor variables are that of invoking
20 # sh -c "$EDITOR \"$@\"" files ...
22 # If our trash directory contains shell metacharacters, they will be
23 # interpreted if we just set $EDITOR directly, so do a little dance with
24 # environment variables to work around this.
26 # In particular, quoting isn't enough, as the path may contain the same quote
31 EDITOR
='"$FAKE_EDITOR"'
35 test_set_index_version
() {
36 GIT_INDEX_VERSION
="$1"
37 export GIT_INDEX_VERSION
40 test_decode_color
() {
43 if (n == 0) return "RESET";
44 if (n == 1) return "BOLD";
45 if (n == 2) return "FAINT";
46 if (n == 3) return "ITALIC";
47 if (n == 7) return "REVERSE";
48 if (n == 30) return "BLACK";
49 if (n == 31) return "RED";
50 if (n == 32) return "GREEN";
51 if (n == 33) return "YELLOW";
52 if (n == 34) return "BLUE";
53 if (n == 35) return "MAGENTA";
54 if (n == 36) return "CYAN";
55 if (n == 37) return "WHITE";
56 if (n == 40) return "BLACK";
57 if (n == 41) return "BRED";
58 if (n == 42) return "BGREEN";
59 if (n == 43) return "BYELLOW";
60 if (n == 44) return "BBLUE";
61 if (n == 45) return "BMAGENTA";
62 if (n == 46) return "BCYAN";
63 if (n == 47) return "BWHITE";
66 while (match($0, /\033\[[0-9;]*m/) != 0) {
67 printf "%s<", substr($0, 1, RSTART-1);
68 codes = substr($0, RSTART+2, RLENGTH-3);
69 if (length(codes) == 0)
72 n = split(codes, ary, ";");
74 for (i = 1; i <= n; i++) {
75 printf "%s%s", sep, name(ary[i]);
80 $0 = substr($0, RSTART + RLENGTH, length($0) - RSTART - RLENGTH + 1);
88 perl
-pe 'y/\012/\000/'
112 sed -e 's/$/Q/' |
tr Q
'\015'
116 tr '\015' Q |
sed -e 's/Q$//'
119 # Generate an output of $1 bytes of all zeroes (NULs, not ASCII zeroes).
120 # If $1 is 'infinity', output forever or until the receiving pipe stops reading,
121 # whichever comes first.
122 generate_zero_bytes
() {
123 test-tool genzeros
"$@"
126 # In some bourne shell implementations, the "unset" builtin returns
127 # nonzero status when a variable to be unset was not set in the first
130 # Use sane_unset when that should not be considered an error.
138 if test -z "${test_tick+set}"
142 test_tick
=$
(($test_tick + 60))
144 GIT_COMMITTER_DATE
="$test_tick -0700"
145 GIT_AUTHOR_DATE
="$test_tick -0700"
146 export GIT_COMMITTER_DATE GIT_AUTHOR_DATE
149 # Stop execution and start a shell. This is useful for debugging tests.
151 # Be sure to remove all invocations of this command before submitting.
154 "$SHELL_PATH" <&6 >&5 2>&7
157 # Wrap git with a debugger. Adding this to a command can make it easier
158 # to understand what is going on in a failing test.
161 # debug git checkout master
162 # debug --debugger=nemiver git $ARGS
163 # debug -d "valgrind --tool=memcheck --track-origins=yes" git $ARGS
171 GIT_DEBUGGER
="${1#*=}" &&
178 GIT_DEBUGGER
="${GIT_DEBUGGER}" "$@" <&6 >&5 2>&7
181 # Call test_commit with the arguments
182 # [-C <directory>] <message> [<file> [<contents> [<tag>]]]"
184 # This will commit a file with the given contents and the given commit
185 # message, and tag the resulting commit with the given tag name.
187 # <file>, <contents>, and <tag> all default to <message>.
189 # If the first argument is "-C", the second argument is used as a path for
190 # the git invocations.
215 indir
=${indir:+"$indir"/} &&
217 echo "${3-$1}" > "$indir$file" &&
218 git
${indir:+ -C "$indir"} add
"$file" &&
223 git
${indir:+ -C "$indir"} commit
$signoff -m "$1" &&
224 git
${indir:+ -C "$indir"} tag
"${4:-$1}"
227 # Call test_merge with the arguments "<message> <commit>", where <commit>
228 # can be a tag pointing to the commit-to-merge.
232 git merge
-m "$1" "$2" &&
236 # This function helps systems where core.filemode=false is set.
237 # Use it instead of plain 'chmod +x' to set or unset the executable bit
238 # of a file in the working directory and add it to the index.
242 git update-index
--add "--chmod=$@"
245 # Get the modebits from a file.
247 ls -l "$1" |
sed -e 's|^\(..........\).*|\1|'
250 # Unset a configuration variable, but don't fail if it doesn't exist.
259 git
${config_dir:+-C "$config_dir"} config
--unset-all "$@"
261 case "$config_status" in
262 5) # ok, nothing to unset
266 return $config_status
269 # Set git config, automatically unsetting it after the test is over.
278 test_when_finished
"test_unconfig ${config_dir:+-C '$config_dir'} '$1'" &&
279 git
${config_dir:+-C "$config_dir"} config
"$@"
282 test_config_global
() {
283 test_when_finished
"test_unconfig --global '$1'" &&
284 git config
--global "$@"
289 echo "#!${2-"$SHELL_PATH"}" &&
295 # Use test_set_prereq to tell that a particular prerequisite is available.
296 # The prerequisite can later be checked for in two ways:
298 # - Explicitly using test_have_prereq.
300 # - Implicitly by specifying the prerequisite tag in the calls to
301 # test_expect_{success,failure,code}.
303 # The single parameter is the prerequisite tag (a simple word, in all
304 # capital letters by convention).
306 test_unset_prereq
() {
307 ! test_have_prereq
"$1" ||
308 satisfied_prereq
="${satisfied_prereq% $1 *} ${satisfied_prereq#* $1 }"
314 test_unset_prereq
"${1#!}"
317 satisfied_prereq
="$satisfied_prereq$1 "
322 lazily_testable_prereq
= lazily_tested_prereq
=
324 # Usage: test_lazy_prereq PREREQ 'script'
325 test_lazy_prereq
() {
326 lazily_testable_prereq
="$lazily_testable_prereq$1 "
327 eval test_prereq_lazily_
$1=\
$2
330 test_run_lazy_prereq_
() {
332 mkdir -p "$TRASH_DIRECTORY/prereq-test-dir" &&
334 cd "$TRASH_DIRECTORY/prereq-test-dir" &&'"$2"'
336 say
>&3 "checking prerequisite: $1"
340 rm -rf "$TRASH_DIRECTORY/prereq-test-dir"
341 if test "$eval_ret" = 0; then
342 say
>&3 "prerequisite $1 ok"
344 say
>&3 "prerequisite $1 not satisfied"
349 test_have_prereq
() {
350 # prerequisites can be concatenated with ','
362 case "$prerequisite" in
365 prerequisite
=${prerequisite#!}
371 case " $lazily_tested_prereq " in
375 case " $lazily_testable_prereq " in
377 eval "script=\$test_prereq_lazily_$prerequisite" &&
378 if test_run_lazy_prereq_
"$prerequisite" "$script"
380 test_set_prereq
$prerequisite
382 lazily_tested_prereq
="$lazily_tested_prereq$prerequisite "
387 total_prereq
=$
(($total_prereq + 1))
388 case "$satisfied_prereq" in
390 satisfied_this_prereq
=t
393 satisfied_this_prereq
=
396 case "$satisfied_this_prereq,$negative_prereq" in
398 ok_prereq
=$
(($ok_prereq + 1))
401 # Keep a list of missing prerequisites; restore
402 # the negative marker if necessary.
403 prerequisite
=${negative_prereq:+!}$prerequisite
404 if test -z "$missing_prereq"
406 missing_prereq
=$prerequisite
408 missing_prereq
="$prerequisite,$missing_prereq"
413 test $total_prereq = $ok_prereq
416 test_declared_prereq
() {
417 case ",$test_prereq," in
425 test_verify_prereq
() {
426 test -z "$test_prereq" ||
427 expr >/dev
/null
"$test_prereq" : '[A-Z0-9_,!]*$' ||
428 BUG
"'$test_prereq' does not look like a prereq"
431 test_expect_failure
() {
433 test "$#" = 3 && { test_prereq
=$1; shift; } || test_prereq
=
435 BUG
"not 2 or 3 parameters to test-expect-failure"
440 say
>&3 "checking known breakage: $2"
441 if test_run_
"$2" expecting_failure
443 test_known_broken_ok_
"$1"
445 test_known_broken_failure_
"$1"
451 test_expect_success
() {
453 test "$#" = 3 && { test_prereq
=$1; shift; } || test_prereq
=
455 BUG
"not 2 or 3 parameters to test-expect-success"
460 say
>&3 "expecting success: $2"
471 # test_external runs external test scripts that provide continuous
472 # test output about their progress, and succeeds/fails on
473 # zero/non-zero exit code. It outputs the test output on stdout even
474 # in non-verbose mode, and announces the external script with "# run
475 # <n>: ..." before running it. When providing relative paths, keep in
476 # mind that all scripts run in "trash directory".
477 # Usage: test_external description command arguments...
478 # Example: test_external 'Perl API' perl ../path/to/test.pl
480 test "$#" = 4 && { test_prereq
=$1; shift; } || test_prereq
=
482 BUG
"not 3 or 4 parameters to test_external"
487 if ! test_skip
"$descr" "$@"
489 # Announce the script to reduce confusion about the
490 # test output that follows.
491 say_color
"" "# run $test_count: $descr ($*)"
492 # Export TEST_DIRECTORY, TRASH_DIRECTORY and GIT_TEST_LONG
493 # to be able to use them in script
494 export TEST_DIRECTORY TRASH_DIRECTORY GIT_TEST_LONG
495 # Run command; redirect its stderr to &4 as in
496 # test_run_, but keep its stdout on our stdout even in
501 if test $test_external_has_tap -eq 0; then
504 say_color
"" "# test_external test $descr was ok"
505 test_success
=$
(($test_success + 1))
508 if test $test_external_has_tap -eq 0; then
509 test_failure_
"$descr" "$@"
511 say_color error
"# test_external test $descr failed: $@"
512 test_failure
=$
(($test_failure + 1))
518 # Like test_external, but in addition tests that the command generated
519 # no output on stderr.
520 test_external_without_stderr
() {
521 # The temporary file has no (and must have no) security
524 stderr
="$tmp/git-external-stderr.$$.tmp"
525 test_external
"$@" 4> "$stderr"
526 test -f "$stderr" || error
"Internal error: $stderr disappeared."
527 descr
="no stderr: $1"
529 say
>&3 "# expecting no stderr from previous command"
530 if test ! -s "$stderr"
534 if test $test_external_has_tap -eq 0; then
537 say_color
"" "# test_external_without_stderr test $descr was ok"
538 test_success
=$
(($test_success + 1))
541 if test "$verbose" = t
543 output
=$
(echo; echo "# Stderr is:"; cat "$stderr")
547 # rm first in case test_failure exits.
549 if test $test_external_has_tap -eq 0; then
550 test_failure_
"$descr" "$@" "$output"
552 say_color error
"# test_external_without_stderr test $descr failed: $@: $output"
553 test_failure
=$
(($test_failure + 1))
558 # debugging-friendly alternatives to "test [-f|-d|-e]"
559 # The commands test the existence or non-existence of $1. $2 can be
560 # given to provide a more precise diagnosis.
561 test_path_is_file
() {
564 echo "File $1 doesn't exist. $2"
569 test_path_is_dir
() {
572 echo "Directory $1 doesn't exist. $2"
577 test_path_exists
() {
580 echo "Path $1 doesn't exist. $2"
585 # Check if the directory exists and is empty as expected, barf otherwise.
586 test_dir_is_empty
() {
587 test_path_is_dir
"$1" &&
588 if test -n "$(ls -a1 "$1" | egrep -v '^\.\.?$')"
590 echo "Directory '$1' is not empty, it contains:"
596 test_path_is_missing
() {
609 # test_line_count checks that a file has the number of lines it
610 # ought to. For example:
612 # test_expect_success 'produce exactly one line of output' '
613 # do something >output &&
614 # test_line_count = 1 output
617 # is like "test $(wc -l <output) = 1" except that it passes the
618 # output through when the number of lines is wrong.
623 BUG
"not 3 parameters to test_line_count"
624 elif ! test $
(wc -l <"$3") "$1" "$2"
626 echo "test_line_count: line count for $3 !$1 $2"
632 # Returns success if a comma separated string of keywords ($1) contains a
633 # given keyword ($2).
635 # `list_contains "foo,bar" bar` returns 0
636 # `list_contains "foo" bar` returns 1
647 # This is not among top-level (test_expect_success | test_expect_failure)
648 # but is a prefix that can be used in the test script, like:
650 # test_expect_success 'complain and die' '
652 # do something else &&
653 # test_must_fail git checkout ../outerspace
656 # Writing this as "! git checkout ../outerspace" is wrong, because
657 # the failure could be due to a segv. We want a controlled failure.
659 # Accepts the following options:
661 # ok=<signal-name>[,<...>]:
662 # Don't treat an exit caused by the given signal as error.
663 # Multiple signals can be specified as a comma separated list.
664 # Currently recognized signal names are: sigpipe, success.
665 # (Don't use 'success', use 'test_might_fail' instead.)
679 if test $exit_code -eq 0 && ! list_contains
"$_test_ok" success
681 echo >&4 "test_must_fail: command succeeded: $*"
683 elif test_match_signal
13 $exit_code && list_contains
"$_test_ok" sigpipe
686 elif test $exit_code -gt 129 && test $exit_code -le 192
688 echo >&4 "test_must_fail: died by signal $(($exit_code - 128)): $*"
690 elif test $exit_code -eq 127
692 echo >&4 "test_must_fail: command not found: $*"
694 elif test $exit_code -eq 126
696 echo >&4 "test_must_fail: valgrind error: $*"
702 # Similar to test_must_fail, but tolerates success, too. This is
703 # meant to be used in contexts like:
705 # test_expect_success 'some command works without configuration' '
706 # test_might_fail git config --unset all.configuration &&
710 # Writing "git config --unset all.configuration || :" would be wrong,
711 # because we want to notice if it fails due to segv.
713 # Accepts the same options as test_must_fail.
716 test_must_fail ok
=success
"$@" 2>&7
719 # Similar to test_must_fail and test_might_fail, but check that a
720 # given command exited with a given exit code. Meant to be used as:
722 # test_expect_success 'Merge with d/f conflicts' '
723 # test_expect_code 1 git merge "merge msg" B master
726 test_expect_code
() {
731 if test $exit_code = $want_code
736 echo >&4 "test_expect_code: command exited with $exit_code, we wanted $want_code $*"
740 # test_cmp is a helper function to compare actual and expected output.
741 # You can use it like:
743 # test_expect_success 'foo works' '
744 # echo expected >expected &&
746 # test_cmp expected actual
749 # This could be written as either "cmp" or "diff -u", but:
750 # - cmp's output is not nearly as easy to read as diff -u
751 # - not all diff versions understand "-u"
757 # Check that the given config key has the expected value.
759 # test_cmp_config [-C <dir>] <expected-value>
760 # [<git-config-options>...] <config-key>
762 # for example to check that the value of core.bar is foo
764 # test_cmp_config foo core.bar
774 printf "%s\n" "$1" >expect.config
&&
776 git
$GD config
"$@" >actual.config
&&
777 test_cmp expect.config actual.config
780 # test_cmp_bin - helper to compare binary files
786 # Use this instead of test_cmp to compare files that contain expected and
787 # actual output from git commands that can be translated. When running
788 # under GIT_TEST_GETTEXT_POISON this pretends that the command produced expected
791 ! test_have_prereq C_LOCALE_OUTPUT || test_cmp
"$@"
794 # Use this instead of "grep expected-string actual" to see if the
795 # output from a git command that can be translated either contains an
796 # expected string, or does not contain an unwanted one. When running
797 # under GIT_TEST_GETTEXT_POISON this pretends that the command produced expected
800 eval "last_arg=\${$#}"
802 test -f "$last_arg" ||
803 BUG
"test_i18ngrep requires a file to read as the last parameter"
806 { test "x!" = "x$1" && test $# -lt 3 ; }
808 BUG
"too few parameters to test_i18ngrep"
811 if test_have_prereq
!C_LOCALE_OUTPUT
820 ! grep "$@" && return 0
822 echo >&4 "error: '! grep $@' did find a match in:"
824 grep "$@" && return 0
826 echo >&4 "error: 'grep $@' didn't find a match in:"
829 if test -s "$last_arg"
833 echo >&4 "<File '$last_arg' is empty>"
839 # Call any command "$@" but be more verbose about its
840 # failure. This is handy for commands like "test" which do
841 # not output anything when they fail.
844 echo >&4 "command failed: $(git rev-parse --sq-quote "$@
")"
848 # Check if the file expected to be empty is indeed empty, and barfs
851 test_must_be_empty
() {
852 test_path_is_file
"$1" &&
855 echo "'$1' is not empty, it contains:"
861 # Tests that its two parameters refer to the same revision
865 error
"bug in the test script: test_cmp_rev requires two revisions, but got $#"
868 r1
=$
(git rev-parse
--verify "$1") &&
869 r2
=$
(git rev-parse
--verify "$2") &&
870 if test "$r1" != "$r2"
873 error: two revisions point to different objects:
882 # Print a sequence of integers in increasing order, either with
883 # two arguments (start and end):
885 # test_seq 1 5 -- outputs 1 2 3 4 5 one line at a time
887 # or with one argument (end), in which case it starts counting
894 *) BUG
"not 1 or 2 parameters to test_seq" ;;
896 test_seq_counter__
=$1
897 while test "$test_seq_counter__" -le "$2"
899 echo "$test_seq_counter__"
900 test_seq_counter__
=$
(( $test_seq_counter__ + 1 ))
904 # This function can be used to schedule some commands to be run
905 # unconditionally at the end of the test to restore sanity:
907 # test_expect_success 'test core.capslock' '
908 # git config core.capslock true &&
909 # test_when_finished "git config --unset core.capslock" &&
913 # That would be roughly equivalent to
915 # test_expect_success 'test core.capslock' '
916 # git config core.capslock true &&
918 # git config --unset core.capslock
921 # except that the greeting and config --unset must both succeed for
924 # Note that under --immediate mode, no clean-up is done to help diagnose
927 test_when_finished
() {
928 # We cannot detect when we are in a subshell in general, but by
929 # doing so on Bash is better than nothing (the test will
930 # silently pass on other shells).
931 test "${BASH_SUBSHELL-0}" = 0 ||
932 BUG
"test_when_finished does nothing in a subshell"
934 } && (exit \"\$eval_ret\"); eval_ret=\$?; $test_cleanup"
937 # Most tests can use the created repository, but some may need to create more.
938 # Usage: test_create_repo <directory>
939 test_create_repo
() {
941 BUG
"not 1 parameter to test-create-repo"
945 cd "$repo" || error
"Cannot setup test environment"
946 "${GIT_TEST_INSTALLED:-$GIT_EXEC_PATH}/git$X" init \
947 "--template=$GIT_BUILD_DIR/templates/blt/" >&3 2>&4 ||
948 error
"cannot run git init -- have you built things yet?"
949 mv .git
/hooks .git
/hooks-disabled
953 # This function helps on symlink challenged file systems when it is not
954 # important that the file system entry is a symbolic link.
955 # Use test_ln_s_add instead of "ln -s x y && git add y" to add a
956 # symbolic link entry y to the index.
959 if test_have_prereq SYMLINKS
962 git update-index
--add "$2"
964 printf '%s' "$1" >"$2" &&
965 ln_s_obj
=$
(git hash-object
-w "$2") &&
966 git update-index
--add --cacheinfo 120000 $ln_s_obj "$2" &&
967 # pick up stat info from the file
968 git update-index
"$2"
972 # This function writes out its parameters, one per line
973 test_write_lines
() {
978 command "$PERL_PATH" "$@" 2>&7
981 # Is the value one of the various ways to spell a boolean true/false?
982 test_normalize_bool
() {
983 git
-c magic.variable
="$1" config
--bool magic.variable
2>/dev
/null
986 # Given a variable $1, normalize the value of it to one of "true",
987 # "false", or "auto" and store the result to it.
989 # test_tristate GIT_TEST_HTTPD
991 # A variable set to an empty string is set to 'false'.
992 # A variable set to 'false' or 'auto' keeps its value.
993 # Anything else is set to 'true'.
994 # An unset variable defaults to 'auto'.
996 # The last rule is to allow people to set the variable to an empty
997 # string and export it to decline testing the particular feature
998 # for versions both before and after this change. We used to treat
999 # both unset and empty variable as a signal for "do not test" and
1000 # took any non-empty string as "please test".
1003 if eval "test x\"\${$1+isset}\" = xisset"
1010 *) $1=\$(test_normalize_bool \$$1 || echo true) ;;
1018 # Exit the test suite, either by skipping all remaining tests or by
1019 # exiting with an error. If "$1" is "auto", we then we assume we were
1020 # opportunistically trying to set up some tests and we skip. If it is
1021 # "true", then we report a failure.
1023 # The error/skip message should be given by $2.
1025 test_skip_or_die
() {
1035 error
"BUG: test tristate is '$1' (real error: $2)"
1039 # The following mingw_* functions obey POSIX shell syntax, but are actually
1040 # bash scripts, and are meant to be used only with bash on Windows.
1042 # A test_cmp function that treats LF and CRLF equal and avoids to fork
1043 # diff when possible.
1045 # Read text into shell variables and compare them. If the results
1046 # are different, use regular diff to report the difference.
1047 local test_cmp_a
= test_cmp_b
=
1049 # When text came from stdin (one argument is '-') we must feed it
1051 local stdin_for_diff
=
1053 # Since it is difficult to detect the difference between an
1054 # empty input file and a failure to read the files, we go straight
1055 # to diff if one of the inputs is empty.
1056 if test -s "$1" && test -s "$2"
1058 # regular case: both files non-empty
1059 mingw_read_file_strip_cr_ test_cmp_a
<"$1"
1060 mingw_read_file_strip_cr_ test_cmp_b
<"$2"
1061 elif test -s "$1" && test "$2" = -
1063 # read 2nd file from stdin
1064 mingw_read_file_strip_cr_ test_cmp_a
<"$1"
1065 mingw_read_file_strip_cr_ test_cmp_b
1066 stdin_for_diff
='<<<"$test_cmp_b"'
1067 elif test "$1" = - && test -s "$2"
1069 # read 1st file from stdin
1070 mingw_read_file_strip_cr_ test_cmp_a
1071 mingw_read_file_strip_cr_ test_cmp_b
<"$2"
1072 stdin_for_diff
='<<<"$test_cmp_a"'
1074 test -n "$test_cmp_a" &&
1075 test -n "$test_cmp_b" &&
1076 test "$test_cmp_a" = "$test_cmp_b" ||
1077 eval "diff -u \"\$@\" $stdin_for_diff"
1080 # $1 is the name of the shell variable to fill in
1081 mingw_read_file_strip_cr_
() {
1082 # Read line-wise using LF as the line separator
1083 # and use IFS to strip CR.
1087 if IFS
=$
'\r' read -r -d $
'\n' line
1092 # we get here at EOF, but also if the last line
1093 # was not terminated by LF; in the latter case,
1094 # some text was read
1101 eval "$1=\$$1\$line"
1105 # Like "env FOO=BAR some-program", but run inside a subshell, which means
1106 # it also works for shell functions (though those functions cannot impact
1107 # the environment outside of the test_env invocation).
1114 eval "${1%%=*}=\${1#*=}"
1115 eval "export ${1%%=*}"
1127 # Returns true if the numeric exit code in "$2" represents the expected signal
1128 # in "$1". Signals should be given numerically.
1129 test_match_signal
() {
1130 if test "$2" = "$((128 + $1))"
1134 elif test "$2" = "$((256 + $1))"
1142 # Read up to "$1" bytes (or to EOF) from stdin and write them to stdout.
1143 test_copy_bytes
() {
1148 my $nread = sysread(STDIN, $s, $len);
1149 die "cannot read: $!" unless defined($nread);
1157 # run "$@" inside a non-git directory
1164 GIT_CEILING_DIRECTORIES
=$
(pwd) &&
1165 export GIT_CEILING_DIRECTORIES
&&
1171 # convert stdin to pktline representation; note that empty input becomes an
1172 # empty packet, not a flush packet (for that you can just print 0000 yourself).
1174 cat >packetize.tmp
&&
1175 len
=$
(wc -c <packetize.tmp
) &&
1176 printf '%04x%s' "$(($len + 4))" &&
1177 cat packetize.tmp
&&
1181 # Parse the input as a series of pktlines, writing the result to stdout.
1182 # Sideband markers are removed automatically, and the output is routed to
1183 # stderr if appropriate.
1185 # NUL bytes are converted to "\\0" for ease of parsing with text tools.
1188 while (read(STDIN, $len, 4) == 4) {
1189 if ($len eq "0000") {
1192 read(STDIN, $buf, hex($len) - 4);
1194 if ($buf =~ s/^[\x2\x3]//) {
1205 # Set the hash algorithm in use to $1. Only useful when testing the testsuite.
1210 # Detect the hash algorithm in use.
1211 test_detect_hash
() {
1212 # Currently we only support SHA-1, but in the future this function will
1213 # actually detect the algorithm in use.
1214 test_hash_algo
='sha1'
1217 # Load common hash metadata and common placeholder object IDs for use with
1220 test -n "$test_hash_algo" || test_detect_hash
&&
1221 test_oid_cache
<"$TEST_DIRECTORY/oid-info/hash-info" &&
1222 test_oid_cache
<"$TEST_DIRECTORY/oid-info/oid"
1225 # Load key-value pairs from stdin suitable for use with test_oid. Blank lines
1226 # and lines starting with "#" are ignored. Keys must be shell identifier
1233 local tag rest k v
&&
1235 { test -n "$test_hash_algo" || test_detect_hash
; } &&
1252 if ! expr "$k" : '[a-z0-9][a-z0-9]*$' >/dev
/null
1254 BUG
'bad hash algorithm'
1256 eval "test_oid_${k}_$tag=\"\$v\""
1260 # Look up a per-hash value based on a key ($1). The value must have been loaded
1261 # by test_oid_init or test_oid_cache.
1263 local var
="test_oid_${test_hash_algo}_$1" &&
1265 # If the variable is unset, we must be missing an entry for this
1266 # key-hash pair, so exit with an error.
1267 if eval "test -z \"\${$var+set}\""
1269 BUG
"undefined key '$1'"
1271 eval "printf '%s' \"\${$var}\""
1274 # Choose a port number based on the test script's number and store it in
1275 # the given variable name, unless that variable already contains a number.
1279 if test $# -ne 1 ||
test -z "$var"
1281 BUG
"test_set_port requires a variable name"
1287 # No port is set in the given env var, use the test
1288 # number as port number instead.
1289 # Remove not only the leading 't', but all leading zeros
1290 # as well, so the arithmetic below won't (mis)interpret
1291 # a test number like '0123' as an octal value.
1292 port
=${this_test#${this_test%%[1-9]*}}
1293 if test "${port:-0}" -lt 1024
1295 # root-only port, use a larger one instead.
1296 port
=$
(($port + 10000))
1300 error
>&7 "invalid port number: $port"
1303 # The user has specified the port.
1307 # Make sure that parallel '--stress' test jobs get different
1309 port
=$
(($port + ${GIT_TEST_STRESS_JOB_NR:-0}))