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+++ b/t/test-lib.sh
@@ -0,0 +1,990 @@
+#!/bin/sh
+#
+# 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
+TERM=dumb
+export LANG LC_ALL PAGER TERM TZ
+EDITOR=:
+unset VISUAL
+unset GIT_EDITOR
+unset AUTHOR_DATE
+unset AUTHOR_EMAIL
+unset AUTHOR_NAME
+unset COMMIT_AUTHOR_EMAIL
+unset COMMIT_AUTHOR_NAME
+unset EMAIL
+unset GIT_ALTERNATE_OBJECT_DIRECTORIES
+unset GIT_AUTHOR_DATE
+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_WORK_TREE
+unset GIT_EXTERNAL_DIFF
+unset GIT_INDEX_FILE
+unset GIT_OBJECT_DIRECTORY
+unset GIT_CEILING_DIRECTORIES
+unset SHA1_FILE_DIRECTORIES
+unset SHA1_FILE_DIRECTORY
+unset GIT_NOTES_REF
+unset GIT_NOTES_DISPLAY_REF
+unset GIT_NOTES_REWRITE_REF
+unset GIT_NOTES_REWRITE_MODE
+GIT_MERGE_VERBOSITY=5
+export GIT_MERGE_VERBOSITY
+export GIT_AUTHOR_EMAIL GIT_AUTHOR_NAME
+export GIT_COMMITTER_EMAIL GIT_COMMITTER_NAME
+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$_x05"
+
+# Each test should start with something like this, after copyright notices:
+#
+# test_description='Description of this test...
+# This test checks if command xyzzy does the right thing...
+# '
+# . ./test-lib.sh
+[ "x$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
+ case "$1" in
+ -d|--d|--de|--deb|--debu|--debug)
+ debug=t; shift ;;
+ -i|--i|--im|--imm|--imme|--immed|--immedi|--immedia|--immediat|--immediate)
+ immediate=t; shift ;;
+ -l|--l|--lo|--lon|--long|--long-|--long-t|--long-te|--long-tes|--long-test|--long-tests)
+ GIT_TEST_LONG=t; export GIT_TEST_LONG; shift ;;
+ -h|--h|--he|--hel|--help)
+ help=t; shift ;;
+ -v|--v|--ve|--ver|--verb|--verbo|--verbos|--verbose)
+ verbose=t; shift ;;
+ -q|--q|--qu|--qui|--quie|--quiet)
+ # Ignore --quiet under a TAP::Harness. Saying how many tests
+ # passed without the ok/not ok details is always an error.
+ test -z "$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 ;;
+ *)
+ 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 "$test_description"
+ exit 0
+fi
+
+exec 5>&1
+if test "$verbose" = "t"
+then
+ exec 4>&2 3>&1
+else
+ exec 4>/dev/null 3>/dev/null
+fi
+
+test_failure=0
+test_count=0
+test_fixed=0
+test_broken=0
+test_success=0
+
+test_external_has_tap=0
+
+die () {
+ code=$?
+ if test -n "$GIT_EXIT_OK"
+ then
+ exit $code
+ else
+ echo >&5 "FATAL: Unexpected exit with code $code"
+ exit 1
+ fi
+}
+
+GIT_EXIT_OK=
+trap 'die' EXIT
+
+# The semantics of the editor variables are that of invoking
+# sh -c "$EDITOR \"$@\"" files ...
+#
+# If our trash directory contains shell metacharacters, they will be
+# interpreted if we just set $EDITOR directly, so do a little dance with
+# environment variables to work around this.
+#
+# In particular, quoting isn't enough, as the path may contain the same quote
+# that we're using.
+test_set_editor () {
+ FAKE_EDITOR="$1"
+ export FAKE_EDITOR
+ EDITOR='"$FAKE_EDITOR"'
+ export EDITOR
+}
+
+test_decode_color () {
+ sed -e 's/.\[1m/<WHITE>/g' \
+ -e 's/.\[31m/<RED>/g' \
+ -e 's/.\[32m/<GREEN>/g' \
+ -e 's/.\[33m/<YELLOW>/g' \
+ -e 's/.\[34m/<BLUE>/g' \
+ -e 's/.\[35m/<MAGENTA>/g' \
+ -e 's/.\[36m/<CYAN>/g' \
+ -e 's/.\[m/<RESET>/g'
+}
+
+q_to_nul () {
+ perl -pe 'y/Q/\000/'
+}
+
+q_to_cr () {
+ tr Q '\015'
+}
+
+q_to_tab () {
+ tr Q '\011'
+}
+
+append_cr () {
+ sed -e 's/$/Q/' | tr Q '\015'
+}
+
+remove_cr () {
+ tr '\015' Q | sed -e 's/Q$//'
+}
+
+test_tick () {
+ if test -z "${test_tick+set}"
+ then
+ test_tick=1112911993
+ else
+ test_tick=$(($test_tick + 60))
+ fi
+ GIT_COMMITTER_DATE="$test_tick -0700"
+ GIT_AUTHOR_DATE="$test_tick -0700"
+ export GIT_COMMITTER_DATE GIT_AUTHOR_DATE
+}
+
+# Call test_commit with the arguments "<message> [<file> [<contents>]]"
+#
+# This will commit a file with the given contents and the given commit
+# message. It will also add a tag with <message> as name.
+#
+# Both <file> and <contents> default to <message>.
+
+test_commit () {
+ file=${2:-"$1.t"}
+ echo "${3-$1}" > "$file" &&
+ git add "$file" &&
+ test_tick &&
+ git commit -m "$1" &&
+ git tag "$1"
+}
+
+# Call test_merge with the arguments "<message> <commit>", where <commit>
+# can be a tag pointing to the commit-to-merge.
+
+test_merge () {
+ test_tick &&
+ git merge -m "$1" "$2" &&
+ git tag "$1"
+}
+
+# This function helps systems where core.filemode=false is set.
+# Use it instead of plain 'chmod +x' to set or unset the executable bit
+# of a file in the working directory and add it to the index.
+
+test_chmod () {
+ chmod "$@" &&
+ git update-index --add "--chmod=$@"
+}
+
+# Use test_set_prereq to tell that a particular prerequisite is available.
+# The prerequisite can later be checked for in two ways:
+#
+# - Explicitly using test_have_prereq.
+#
+# - Implicitly by specifying the prerequisite tag in the calls to
+# test_expect_{success,failure,code}.
+#
+# The single parameter is the prerequisite tag (a simple word, in all
+# capital letters by convention).
+
+test_set_prereq () {
+ satisfied="$satisfied$1 "
+}
+satisfied=" "
+
+test_have_prereq () {
+ # prerequisites can be concatenated with ','
+ save_IFS=$IFS
+ IFS=,
+ set -- $*
+ IFS=$save_IFS
+
+ total_prereq=0
+ ok_prereq=0
+ missing_prereq=
+
+ for prerequisite
+ do
+ total_prereq=$(($total_prereq + 1))
+ case $satisfied in
+ *" $prerequisite "*)
+ ok_prereq=$(($ok_prereq + 1))
+ ;;
+ *)
+ # Keep a list of missing prerequisites
+ if test -z "$missing_prereq"
+ then
+ missing_prereq=$prerequisite
+ else
+ missing_prereq="$prerequisite,$missing_prereq"
+ fi
+ esac
+ done
+
+ test $total_prereq = $ok_prereq
+}
+
+# You are not expected to call test_ok_ and test_failure_ directly, use
+# the text_expect_* functions instead.
+
+test_ok_ () {
+ test_success=$(($test_success + 1))
+ say_color "" "ok $test_count - $@"
+}
+
+test_failure_ () {
+ test_failure=$(($test_failure + 1))
+ say_color error "not ok - $test_count $1"
+ shift
+ echo "$@" | 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_ () {
+ test_cleanup=:
+ eval >&3 2>&4 "$1"
+ eval_ret=$?
+ eval >&3 2>&4 "$test_cleanup"
+ if test "$verbose" = "t" && test -n "$HARNESS_ACTIVE"; then
+ echo ""
+ fi
+ return 0
+}
+
+test_skip () {
+ test_count=$(($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 "$prereq" &&
+ ! test_have_prereq "$prereq"
+ then
+ to_skip=t
+ fi
+ case "$to_skip" in
+ t)
+ of_prereq=
+ if test "$missing_prereq" != "$prereq"
+ then
+ of_prereq=" of $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_failure () {
+ test "$#" = 3 && { prereq=$1; shift; } || prereq=
+ test "$#" = 2 ||
+ error "bug in the test script: not 2 or 3 parameters to test-expect-failure"
+ if ! test_skip "$@"
+ then
+ say >&3 "checking known breakage: $2"
+ test_run_ "$2"
+ if [ "$?" = 0 -a "$eval_ret" = 0 ]
+ then
+ test_known_broken_ok_ "$1"
+ else
+ test_known_broken_failure_ "$1"
+ fi
+ fi
+ echo >&3 ""
+}
+
+test_expect_success () {
+ test "$#" = 3 && { prereq=$1; shift; } || prereq=
+ test "$#" = 2 ||
+ error "bug in the test script: not 2 or 3 parameters to test-expect-success"
+ if ! test_skip "$@"
+ then
+ say >&3 "expecting success: $2"
+ test_run_ "$2"
+ if [ "$?" = 0 -a "$eval_ret" = 0 ]
+ then
+ test_ok_ "$1"
+ else
+ test_failure_ "$@"
+ fi
+ fi
+ echo >&3 ""
+}
+
+test_expect_code () {
+ test "$#" = 4 && { prereq=$1; shift; } || prereq=
+ test "$#" = 3 ||
+ error "bug in the test script: not 3 or 4 parameters to test-expect-code"
+ if ! test_skip "$@"
+ then
+ say >&3 "expecting exit code $1: $3"
+ test_run_ "$3"
+ if [ "$?" = 0 -a "$eval_ret" = "$1" ]
+ then
+ test_ok_ "$2"
+ else
+ test_failure_ "$@"
+ fi
+ fi
+ echo >&3 ""
+}
+
+# test_external runs external test scripts that provide continuous
+# test output about their progress, and succeeds/fails on
+# zero/non-zero exit code. It outputs the test output on stdout even
+# in non-verbose mode, and announces the external script with "# run
+# <n>: ..." before running it. When providing relative paths, keep in
+# mind that all scripts run in "trash directory".
+# Usage: test_external description command arguments...
+# Example: test_external 'Perl API' perl ../path/to/test.pl
+test_external () {
+ test "$#" = 4 && { prereq=$1; shift; } || prereq=
+ test "$#" = 3 ||
+ error >&5 "bug in the test script: not 3 or 4 parameters to test_external"
+ descr="$1"
+ shift
+ if ! test_skip "$descr" "$@"
+ then
+ # Announce the script to reduce confusion about the
+ # test output that follows.
+ say_color "" "# run $test_count: $descr ($*)"
+ # Export TEST_DIRECTORY, TRASH_DIRECTORY and GIT_TEST_LONG
+ # to be able to use them in script
+ export TEST_DIRECTORY TRASH_DIRECTORY GIT_TEST_LONG
+ # Run command; redirect its stderr to &4 as in
+ # test_run_, but keep its stdout on our stdout even in
+ # non-verbose mode.
+ "$@" 2>&4
+ if [ "$?" = 0 ]
+ then
+ if test $test_external_has_tap -eq 0; then
+ test_ok_ "$descr"
+ else
+ say_color "" "# test_external test $descr was ok"
+ test_success=$(($test_success + 1))
+ fi
+ else
+ if test $test_external_has_tap -eq 0; then
+ test_failure_ "$descr" "$@"
+ else
+ say_color error "# test_external test $descr failed: $@"
+ test_failure=$(($test_failure + 1))
+ fi
+ fi
+ fi
+}
+
+# Like test_external, but in addition tests that the command generated
+# no output on stderr.
+test_external_without_stderr () {
+ # The temporary file has no (and must have no) security
+ # implications.
+ tmp="$TMPDIR"; if [ -z "$tmp" ]; then tmp=/tmp; fi
+ stderr="$tmp/git-external-stderr.$$.tmp"
+ test_external "$@" 4> "$stderr"
+ [ -f "$stderr" ] || error "Internal error: $stderr disappeared."
+ descr="no stderr: $1"
+ shift
+ say >&3 "# expecting no stderr from previous command"
+ if [ ! -s "$stderr" ]; then
+ rm "$stderr"
+
+ if test $test_external_has_tap -eq 0; then
+ test_ok_ "$descr"
+ else
+ say_color "" "# test_external_without_stderr test $descr was ok"
+ test_success=$(($test_success + 1))
+ fi
+ else
+ if [ "$verbose" = t ]; then
+ output=`echo; echo "# Stderr is:"; cat "$stderr"`
+ else
+ output=
+ fi
+ # rm first in case test_failure exits.
+ rm "$stderr"
+ if test $test_external_has_tap -eq 0; then
+ test_failure_ "$descr" "$@" "$output"
+ else
+ say_color error "# test_external_without_stderr test $descr failed: $@: $output"
+ test_failure=$(($test_failure + 1))
+ fi
+ fi
+}
+
+# debugging-friendly alternatives to "test [-f|-d|-e]"
+# The commands test the existence or non-existence of $1. $2 can be
+# given to provide a more precise diagnosis.
+test_path_is_file () {
+ if ! [ -f "$1" ]
+ then
+ echo "File $1 doesn't exist. $*"
+ false
+ fi
+}
+
+test_path_is_dir () {
+ if ! [ -d "$1" ]
+ then
+ echo "Directory $1 doesn't exist. $*"
+ false
+ fi
+}
+
+test_path_is_missing () {
+ if [ -e "$1" ]
+ then
+ echo "Path exists:"
+ ls -ld "$1"
+ if [ $# -ge 1 ]; then
+ echo "$*"
+ fi
+ false
+ fi
+}
+
+
+# This is not among top-level (test_expect_success | test_expect_failure)
+# but is a prefix that can be used in the test script, like:
+#
+# test_expect_success 'complain and die' '
+# do something &&
+# do something else &&
+# test_must_fail git checkout ../outerspace
+# '
+#
+# Writing this as "! git checkout ../outerspace" is wrong, because
+# the failure could be due to a segv. We want a controlled failure.
+
+test_must_fail () {
+ "$@"
+ exit_code=$?
+ if test $exit_code = 0; then
+ echo >&2 "test_must_fail: command succeeded: $*"
+ return 1
+ elif test $exit_code -gt 129 -a $exit_code -le 192; then
+ echo >&2 "test_must_fail: died by signal: $*"
+ return 1
+ elif test $exit_code = 127; then
+ echo >&2 "test_must_fail: command not found: $*"
+ return 1
+ fi
+ return 0
+}
+
+# Similar to test_must_fail, but tolerates success, too. This is
+# meant to be used in contexts like:
+#
+# test_expect_success 'some command works without configuration' '
+# test_might_fail git config --unset all.configuration &&
+# do something
+# '
+#
+# Writing "git config --unset all.configuration || :" would be wrong,
+# because we want to notice if it fails due to segv.
+
+test_might_fail () {
+ "$@"
+ exit_code=$?
+ if test $exit_code -gt 129 -a $exit_code -le 192; then
+ echo >&2 "test_might_fail: died by signal: $*"
+ return 1
+ elif test $exit_code = 127; then
+ echo >&2 "test_might_fail: command not found: $*"
+ return 1
+ fi
+ return 0
+}
+
+# test_cmp is a helper function to compare actual and expected output.
+# You can use it like:
+#
+# test_expect_success 'foo works' '
+# echo expected >expected &&
+# foo >actual &&
+# test_cmp expected actual
+# '
+#
+# This could be written as either "cmp" or "diff -u", but:
+# - cmp's output is not nearly as easy to read as diff -u
+# - not all diff versions understand "-u"
+
+test_cmp() {
+ $GIT_TEST_CMP "$@"
+}
+
+# This function can be used to schedule some commands to be run
+# unconditionally at the end of the test to restore sanity:
+#
+# test_expect_success 'test core.capslock' '
+# git config core.capslock true &&
+# test_when_finished "git config --unset core.capslock" &&
+# hello world
+# '
+#
+# That would be roughly equivalent to
+#
+# test_expect_success 'test core.capslock' '
+# git config core.capslock true &&
+# hello world
+# git config --unset core.capslock
+# '
+#
+# except that the greeting and config --unset must both succeed for
+# the test to pass.
+
+test_when_finished () {
+ test_cleanup="{ $*
+ } && (exit \"\$eval_ret\"); eval_ret=\$?; $test_cleanup"
+}
+
+# Most tests can use the created repository, but some may 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"
+ repo="$1"
+ mkdir -p "$repo"
+ (
+ cd "$repo" || error "Cannot setup test environment"
+ "$GIT_EXEC_PATH/git-init" "--template=$GIT_BUILD_DIR/templates/blt/" >&3 2>&4 ||
+ error "cannot run git init -- have you built things yet?"
+ mv .git/hooks .git/hooks-disabled
+ ) || exit
+}
+
+test_done () {
+ GIT_EXIT_OK=t
+
+ if test -z "$HARNESS_ACTIVE"; then
+ test_results_dir="$TEST_DIRECTORY/test-results"
+ mkdir -p "$test_results_dir"
+ test_results_path="$test_results_dir/${0%.sh}-$$.counts"
+
+ echo "total $test_count" >> $test_results_path
+ echo "success $test_success" >> $test_results_path
+ echo "fixed $test_fixed" >> $test_results_path
+ echo "broken $test_broken" >> $test_results_path
+ echo "failed $test_failure" >> $test_results_path
+ echo "" >> $test_results_path
+ fi
+
+ if test "$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 "$test_failure" in
+ 0)
+ # Maybe print SKIP message
+ [ -z "$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")"
+
+ exit 0 ;;
+
+ *)
+ 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 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
+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
+ test -x "$1" || return
+
+ base=$(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 $file
+ done
+ OLDIFS=$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_CONFIG_NOGLOBAL=1
+export PATH GIT_EXEC_PATH GIT_TEMPLATE_DIR GIT_CONFIG_NOSYSTEM GIT_CONFIG_NOGLOBAL
+
+. "$GIT_BUILD_DIR"/GIT-BUILD-OPTIONS
+
+if test -z "$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?"
+}
+
+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="$TEST_DIRECTORY/$test" ;;
+esac
+test ! -z "$debug" || remove_trash=$TRASH_DIRECTORY
+rm -fr "$test" || {
+ GIT_EXIT_OK=t
+ echo >&5 "FATAL: Cannot prepare test area"
+ exit 1
+}
+
+test_create_repo "$test"
+# 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
+
+HOME=$(pwd)
+export HOME
+
+this_test=${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
+}
+
+# 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 POSIXPERM
+ test_set_prereq BSLASHPSPEC
+ test_set_prereq EXECKEEPSPID
+ ;;
+esac
+
+test -z "$NO_PERL" && test_set_prereq PERL
+test -z "$NO_PYTHON" && test_set_prereq PYTHON
+
+# 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