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-rwxr-xr-xthird_party/git/t/t5000-tar-tree.sh452
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diff --git a/third_party/git/t/t5000-tar-tree.sh b/third_party/git/t/t5000-tar-tree.sh
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--- a/third_party/git/t/t5000-tar-tree.sh
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-#!/bin/sh
-#
-# Copyright (C) 2005 Rene Scharfe
-#
-
-test_description='git archive and git get-tar-commit-id test
-
-This test covers the topics of file contents, commit date handling and
-commit id embedding:
-
-  The contents of the repository is compared to the extracted tar
-  archive.  The repository contains simple text files, symlinks and a
-  binary file (/bin/sh).  Only paths shorter than 99 characters are
-  used.
-
-  git archive applies the commit date to every file in the archive it
-  creates.  The test sets the commit date to a specific value and checks
-  if the tar archive contains that value.
-
-  When giving git archive a commit id (in contrast to a tree id) it
-  embeds this commit id into the tar archive as a comment.  The test
-  checks the ability of git get-tar-commit-id to figure it out from the
-  tar file.
-
-'
-
-. ./test-lib.sh
-
-SUBSTFORMAT=%H%n
-
-test_lazy_prereq TAR_NEEDS_PAX_FALLBACK '
-	(
-		mkdir pax &&
-		cd pax &&
-		"$TAR" xf "$TEST_DIRECTORY"/t5000/pax.tar &&
-		test -f PaxHeaders.1791/file
-	)
-'
-
-test_lazy_prereq GZIP 'gzip --version'
-
-get_pax_header() {
-	file=$1
-	header=$2=
-
-	while read len rest
-	do
-		if test "$len" = $(echo "$len $rest" | wc -c)
-		then
-			case "$rest" in
-			$header*)
-				echo "${rest#$header}"
-				;;
-			esac
-		fi
-	done <"$file"
-}
-
-check_tar() {
-	tarfile=$1.tar
-	listfile=$1.lst
-	dir=$1
-	dir_with_prefix=$dir/$2
-
-	test_expect_success ' extract tar archive' '
-		(mkdir $dir && cd $dir && "$TAR" xf -) <$tarfile
-	'
-
-	test_expect_success TAR_NEEDS_PAX_FALLBACK ' interpret pax headers' '
-		(
-			cd $dir &&
-			for header in *.paxheader
-			do
-				data=${header%.paxheader}.data &&
-				if test -h $data || test -e $data
-				then
-					path=$(get_pax_header $header path) &&
-					if test -n "$path"
-					then
-						mv "$data" "$path"
-					fi
-				fi
-			done
-		)
-	'
-
-	test_expect_success ' validate filenames' '
-		(cd ${dir_with_prefix}a && find .) | sort >$listfile &&
-		test_cmp a.lst $listfile
-	'
-
-	test_expect_success ' validate file contents' '
-		diff -r a ${dir_with_prefix}a
-	'
-}
-
-check_added() {
-	dir=$1
-	path_in_fs=$2
-	path_in_archive=$3
-
-	test_expect_success " validate extra file $path_in_archive" '
-		diff -r $path_in_fs $dir/$path_in_archive
-	'
-}
-
-test_expect_success 'setup' '
-	test_oid_cache <<-EOF
-	obj sha1:19f9c8273ec45a8938e6999cb59b3ff66739902a
-	obj sha256:3c666f798798601571f5cec0adb57ce4aba8546875e7693177e0535f34d2c49b
-	EOF
-'
-
-test_expect_success \
-    'populate workdir' \
-    'mkdir a &&
-     echo simple textfile >a/a &&
-     ten=0123456789 && hundred=$ten$ten$ten$ten$ten$ten$ten$ten$ten$ten &&
-     echo long filename >a/four$hundred &&
-     mkdir a/bin &&
-     test-tool genrandom "frotz" 500000 >a/bin/sh &&
-     printf "A\$Format:%s\$O" "$SUBSTFORMAT" >a/substfile1 &&
-     printf "A not substituted O" >a/substfile2 &&
-     if test_have_prereq SYMLINKS; then
-	ln -s a a/l1
-     else
-	printf %s a > a/l1
-     fi &&
-     (p=long_path_to_a_file && cd a &&
-      for depth in 1 2 3 4 5; do mkdir $p && cd $p; done &&
-      echo text >file_with_long_path) &&
-     (cd a && find .) | sort >a.lst'
-
-test_expect_success \
-    'add ignored file' \
-    'echo ignore me >a/ignored &&
-     echo ignored export-ignore >.git/info/attributes'
-
-test_expect_success 'add files to repository' '
-	git add a &&
-	GIT_COMMITTER_DATE="2005-05-27 22:00" git commit -m initial
-'
-
-test_expect_success 'setup export-subst' '
-	echo "substfile?" export-subst >>.git/info/attributes &&
-	git log --max-count=1 "--pretty=format:A${SUBSTFORMAT}O" HEAD \
-		>a/substfile1
-'
-
-test_expect_success \
-    'create bare clone' \
-    'git clone --bare . bare.git &&
-     cp .git/info/attributes bare.git/info/attributes'
-
-test_expect_success \
-    'remove ignored file' \
-    'rm a/ignored'
-
-test_expect_success \
-    'git archive' \
-    'git archive HEAD >b.tar'
-
-check_tar b
-
-test_expect_success 'git archive --prefix=prefix/' '
-	git archive --prefix=prefix/ HEAD >with_prefix.tar
-'
-
-check_tar with_prefix prefix/
-
-test_expect_success 'git-archive --prefix=olde-' '
-	git archive --prefix=olde- HEAD >with_olde-prefix.tar
-'
-
-check_tar with_olde-prefix olde-
-
-test_expect_success 'git archive --add-file' '
-	echo untracked >untracked &&
-	git archive --add-file=untracked HEAD >with_untracked.tar
-'
-
-check_tar with_untracked
-check_added with_untracked untracked untracked
-
-test_expect_success 'git archive --add-file twice' '
-	echo untracked >untracked &&
-	git archive --prefix=one/ --add-file=untracked \
-		--prefix=two/ --add-file=untracked \
-		--prefix= HEAD >with_untracked2.tar
-'
-
-check_tar with_untracked2
-check_added with_untracked2 untracked one/untracked
-check_added with_untracked2 untracked two/untracked
-
-test_expect_success 'git archive on large files' '
-    test_config core.bigfilethreshold 1 &&
-    git archive HEAD >b3.tar &&
-    test_cmp_bin b.tar b3.tar
-'
-
-test_expect_success \
-    'git archive in a bare repo' \
-    '(cd bare.git && git archive HEAD) >b3.tar'
-
-test_expect_success \
-    'git archive vs. the same in a bare repo' \
-    'test_cmp_bin b.tar b3.tar'
-
-test_expect_success 'git archive with --output' \
-    'git archive --output=b4.tar HEAD &&
-    test_cmp_bin b.tar b4.tar'
-
-test_expect_success 'git archive --remote' \
-    'git archive --remote=. HEAD >b5.tar &&
-    test_cmp_bin b.tar b5.tar'
-
-test_expect_success 'git archive --remote with configured remote' '
-	git config remote.foo.url . &&
-	(
-		cd a &&
-		git archive --remote=foo --output=../b5-nick.tar HEAD
-	) &&
-	test_cmp_bin b.tar b5-nick.tar
-'
-
-test_expect_success \
-    'validate file modification time' \
-    'mkdir extract &&
-     "$TAR" xf b.tar -C extract a/a &&
-     test-tool chmtime --get extract/a/a >b.mtime &&
-     echo "1117231200" >expected.mtime &&
-     test_cmp expected.mtime b.mtime'
-
-test_expect_success \
-    'git get-tar-commit-id' \
-    'git get-tar-commit-id <b.tar >b.commitid &&
-     test_cmp .git/$(git symbolic-ref HEAD) b.commitid'
-
-test_expect_success 'git archive with --output, override inferred format' '
-	git archive --format=tar --output=d4.zip HEAD &&
-	test_cmp_bin b.tar d4.zip
-'
-
-test_expect_success GZIP 'git archive with --output and --remote creates .tgz' '
-	git archive --output=d5.tgz --remote=. HEAD &&
-	gzip -d -c <d5.tgz >d5.tar &&
-	test_cmp_bin b.tar d5.tar
-'
-
-test_expect_success 'git archive --list outside of a git repo' '
-	nongit git archive --list
-'
-
-test_expect_success 'git archive --remote outside of a git repo' '
-	git archive HEAD >expect.tar &&
-	nongit git archive --remote="$PWD" HEAD >actual.tar &&
-	test_cmp_bin expect.tar actual.tar
-'
-
-test_expect_success 'clients cannot access unreachable commits' '
-	test_commit unreachable &&
-	sha1=$(git rev-parse HEAD) &&
-	git reset --hard HEAD^ &&
-	git archive $sha1 >remote.tar &&
-	test_must_fail git archive --remote=. $sha1 >remote.tar
-'
-
-test_expect_success 'upload-archive can allow unreachable commits' '
-	test_commit unreachable1 &&
-	sha1=$(git rev-parse HEAD) &&
-	git reset --hard HEAD^ &&
-	git archive $sha1 >remote.tar &&
-	test_config uploadarchive.allowUnreachable true &&
-	git archive --remote=. $sha1 >remote.tar
-'
-
-test_expect_success 'setup tar filters' '
-	git config tar.tar.foo.command "tr ab ba" &&
-	git config tar.bar.command "tr ab ba" &&
-	git config tar.bar.remote true &&
-	git config tar.invalid baz
-'
-
-test_expect_success 'archive --list mentions user filter' '
-	git archive --list >output &&
-	grep "^tar\.foo\$" output &&
-	grep "^bar\$" output
-'
-
-test_expect_success 'archive --list shows only enabled remote filters' '
-	git archive --list --remote=. >output &&
-	! grep "^tar\.foo\$" output &&
-	grep "^bar\$" output
-'
-
-test_expect_success 'invoke tar filter by format' '
-	git archive --format=tar.foo HEAD >config.tar.foo &&
-	tr ab ba <config.tar.foo >config.tar &&
-	test_cmp_bin b.tar config.tar &&
-	git archive --format=bar HEAD >config.bar &&
-	tr ab ba <config.bar >config.tar &&
-	test_cmp_bin b.tar config.tar
-'
-
-test_expect_success 'invoke tar filter by extension' '
-	git archive -o config-implicit.tar.foo HEAD &&
-	test_cmp_bin config.tar.foo config-implicit.tar.foo &&
-	git archive -o config-implicit.bar HEAD &&
-	test_cmp_bin config.tar.foo config-implicit.bar
-'
-
-test_expect_success 'default output format remains tar' '
-	git archive -o config-implicit.baz HEAD &&
-	test_cmp_bin b.tar config-implicit.baz
-'
-
-test_expect_success 'extension matching requires dot' '
-	git archive -o config-implicittar.foo HEAD &&
-	test_cmp_bin b.tar config-implicittar.foo
-'
-
-test_expect_success 'only enabled filters are available remotely' '
-	test_must_fail git archive --remote=. --format=tar.foo HEAD \
-		>remote.tar.foo &&
-	git archive --remote=. --format=bar >remote.bar HEAD &&
-	test_cmp_bin remote.bar config.bar
-'
-
-test_expect_success GZIP 'git archive --format=tgz' '
-	git archive --format=tgz HEAD >j.tgz
-'
-
-test_expect_success GZIP 'git archive --format=tar.gz' '
-	git archive --format=tar.gz HEAD >j1.tar.gz &&
-	test_cmp_bin j.tgz j1.tar.gz
-'
-
-test_expect_success GZIP 'infer tgz from .tgz filename' '
-	git archive --output=j2.tgz HEAD &&
-	test_cmp_bin j.tgz j2.tgz
-'
-
-test_expect_success GZIP 'infer tgz from .tar.gz filename' '
-	git archive --output=j3.tar.gz HEAD &&
-	test_cmp_bin j.tgz j3.tar.gz
-'
-
-test_expect_success GZIP 'extract tgz file' '
-	gzip -d -c <j.tgz >j.tar &&
-	test_cmp_bin b.tar j.tar
-'
-
-test_expect_success GZIP 'remote tar.gz is allowed by default' '
-	git archive --remote=. --format=tar.gz HEAD >remote.tar.gz &&
-	test_cmp_bin j.tgz remote.tar.gz
-'
-
-test_expect_success GZIP 'remote tar.gz can be disabled' '
-	git config tar.tar.gz.remote false &&
-	test_must_fail git archive --remote=. --format=tar.gz HEAD \
-		>remote.tar.gz
-'
-
-test_expect_success 'archive and :(glob)' '
-	git archive -v HEAD -- ":(glob)**/sh" >/dev/null 2>actual &&
-	cat >expect <<EOF &&
-a/
-a/bin/
-a/bin/sh
-EOF
-	test_cmp expect actual
-'
-
-test_expect_success 'catch non-matching pathspec' '
-	test_must_fail git archive -v HEAD -- "*.abc" >/dev/null
-'
-
-# Pull the size and date of each entry in a tarfile using the system tar.
-#
-# We'll pull out only the year from the date; that avoids any question of
-# timezones impacting the result (as long as we keep our test times away from a
-# year boundary; our reference times are all in August).
-#
-# The output of tar_info is expected to be "<size> <year>", both in decimal. It
-# ignores the return value of tar. We have to do this, because some of our test
-# input is only partial (the real data is 64GB in some cases).
-tar_info () {
-	"$TAR" tvf "$1" |
-	awk '{
-		split($4, date, "-")
-		print $3 " " date[1]
-	}'
-}
-
-# See if our system tar can handle a tar file with huge sizes and dates far in
-# the future, and that we can actually parse its output.
-#
-# The reference file was generated by GNU tar, and the magic time and size are
-# both octal 01000000000001, which overflows normal ustar fields.
-test_lazy_prereq TAR_HUGE '
-	echo "68719476737 4147" >expect &&
-	tar_info "$TEST_DIRECTORY"/t5000/huge-and-future.tar >actual &&
-	test_cmp expect actual
-'
-
-test_expect_success LONG_IS_64BIT 'set up repository with huge blob' '
-	obj=$(test_oid obj) &&
-	path=$(test_oid_to_path $obj) &&
-	mkdir -p .git/objects/$(dirname $path) &&
-	cp "$TEST_DIRECTORY"/t5000/huge-object .git/objects/$path &&
-	rm -f .git/index &&
-	git update-index --add --cacheinfo 100644,$obj,huge &&
-	git commit -m huge
-'
-
-# We expect git to die with SIGPIPE here (otherwise we
-# would generate the whole 64GB).
-test_expect_success LONG_IS_64BIT 'generate tar with huge size' '
-	{
-		git archive HEAD
-		echo $? >exit-code
-	} | test_copy_bytes 4096 >huge.tar &&
-	echo 141 >expect &&
-	test_cmp expect exit-code
-'
-
-test_expect_success TAR_HUGE,LONG_IS_64BIT 'system tar can read our huge size' '
-	echo 68719476737 >expect &&
-	tar_info huge.tar | cut -d" " -f1 >actual &&
-	test_cmp expect actual
-'
-
-test_expect_success TIME_IS_64BIT 'set up repository with far-future commit' '
-	rm -f .git/index &&
-	echo content >file &&
-	git add file &&
-	GIT_COMMITTER_DATE="@68719476737 +0000" \
-		git commit -m "tempori parendum"
-'
-
-test_expect_success TIME_IS_64BIT 'generate tar with future mtime' '
-	git archive HEAD >future.tar
-'
-
-test_expect_success TAR_HUGE,TIME_IS_64BIT,TIME_T_IS_64BIT 'system tar can read our future mtime' '
-	echo 4147 >expect &&
-	tar_info future.tar | cut -d" " -f2 >actual &&
-	test_cmp expect actual
-'
-
-test_done