merge(third_party/git): Merge squashed git subtree at v2.23.0 r/373

Merge commit '1b593e1ea4d2af0f6444d9a7788d5d99abd6fde5' as 'third_party/git'

1 files changed, 214 insertions, 0 deletions

diff --git a/third_party/git/t/t1050-large.sh b/third_party/git/t/t1050-large.sh
new file mode 100755
index 000000000000..dcb4dbba673e
--- /dev/null
+++ b/third_party/git/t/t1050-large.sh
@@ -0,0 +1,214 @@
+#!/bin/sh
+# Copyright (c) 2011, Google Inc.
+
+test_description='adding and checking out large blobs'
+
+. ./test-lib.sh
+
+# This should be moved to test-lib.sh together with the
+# copy in t0021 after both topics have graduated to 'master'.
+file_size () {
+	test-tool path-utils file-size "$1"
+}
+
+test_expect_success setup '
+	# clone does not allow us to pass core.bigfilethreshold to
+	# new repos, so set core.bigfilethreshold globally
+	git config --global core.bigfilethreshold 200k &&
+	printf "%2000000s" X >large1 &&
+	cp large1 large2 &&
+	cp large1 large3 &&
+	printf "%2500000s" Y >huge &&
+	GIT_ALLOC_LIMIT=1500k &&
+	export GIT_ALLOC_LIMIT
+'
+
+# add a large file with different settings
+while read expect config
+do
+	test_expect_success "add with $config" '
+		test_when_finished "rm -f .git/objects/pack/pack-*.* .git/index" &&
+		git $config add large1 &&
+		sz=$(file_size .git/objects/pack/pack-*.pack) &&
+		case "$expect" in
+		small) test "$sz" -le 100000 ;;
+		large) test "$sz" -ge 100000 ;;
+		esac
+	'
+done <<\EOF
+large -c core.compression=0
+small -c core.compression=9
+large -c core.compression=0 -c pack.compression=0
+large -c core.compression=9 -c pack.compression=0
+small -c core.compression=0 -c pack.compression=9
+small -c core.compression=9 -c pack.compression=9
+large -c pack.compression=0
+small -c pack.compression=9
+EOF
+
+test_expect_success 'add a large file or two' '
+	git add large1 huge large2 &&
+	# make sure we got a single packfile and no loose objects
+	bad= count=0 idx= &&
+	for p in .git/objects/pack/pack-*.pack
+	do
+		count=$(( $count + 1 ))
+		if test -f "$p" && idx=${p%.pack}.idx && test -f "$idx"
+		then
+			continue
+		fi
+		bad=t
+	done &&
+	test -z "$bad" &&
+	test $count = 1 &&
+	cnt=$(git show-index <"$idx" | wc -l) &&
+	test $cnt = 2 &&
+	for l in .git/objects/??/??????????????????????????????????????
+	do
+		test -f "$l" || continue
+		bad=t
+	done &&
+	test -z "$bad" &&
+
+	# attempt to add another copy of the same
+	git add large3 &&
+	bad= count=0 &&
+	for p in .git/objects/pack/pack-*.pack
+	do
+		count=$(( $count + 1 ))
+		if test -f "$p" && idx=${p%.pack}.idx && test -f "$idx"
+		then
+			continue
+		fi
+		bad=t
+	done &&
+	test -z "$bad" &&
+	test $count = 1
+'
+
+test_expect_success 'checkout a large file' '
+	large1=$(git rev-parse :large1) &&
+	git update-index --add --cacheinfo 100644 $large1 another &&
+	git checkout another &&
+	test_cmp large1 another
+'
+
+test_expect_success 'packsize limit' '
+	test_create_repo mid &&
+	(
+		cd mid &&
+		git config core.bigfilethreshold 64k &&
+		git config pack.packsizelimit 256k &&
+
+		# mid1 and mid2 will fit within 256k limit but
+		# appending mid3 will bust the limit and will
+		# result in a separate packfile.
+		test-tool genrandom "a" $(( 66 * 1024 )) >mid1 &&
+		test-tool genrandom "b" $(( 80 * 1024 )) >mid2 &&
+		test-tool genrandom "c" $(( 128 * 1024 )) >mid3 &&
+		git add mid1 mid2 mid3 &&
+
+		count=0 &&
+		for pi in .git/objects/pack/pack-*.idx
+		do
+			test -f "$pi" && count=$(( $count + 1 ))
+		done &&
+		test $count = 2 &&
+
+		(
+			git hash-object --stdin <mid1 &&
+			git hash-object --stdin <mid2 &&
+			git hash-object --stdin <mid3
+		) |
+		sort >expect &&
+
+		for pi in .git/objects/pack/pack-*.idx
+		do
+			git show-index <"$pi"
+		done |
+		sed -e "s/^[0-9]* \([0-9a-f]*\) .*/\1/" |
+		sort >actual &&
+
+		test_cmp expect actual
+	)
+'
+
+test_expect_success 'diff --raw' '
+	git commit -q -m initial &&
+	echo modified >>large1 &&
+	git add large1 &&
+	git commit -q -m modified &&
+	git diff --raw HEAD^
+'
+
+test_expect_success 'diff --stat' '
+	git diff --stat HEAD^ HEAD
+'
+
+test_expect_success 'diff' '
+	git diff HEAD^ HEAD >actual &&
+	grep "Binary files.*differ" actual
+'
+
+test_expect_success 'diff --cached' '
+	git diff --cached HEAD^ >actual &&
+	grep "Binary files.*differ" actual
+'
+
+test_expect_success 'hash-object' '
+	git hash-object large1
+'
+
+test_expect_success 'cat-file a large file' '
+	git cat-file blob :large1 >/dev/null
+'
+
+test_expect_success 'cat-file a large file from a tag' '
+	git tag -m largefile largefiletag :large1 &&
+	git cat-file blob largefiletag >/dev/null
+'
+
+test_expect_success 'git-show a large file' '
+	git show :large1 >/dev/null
+
+'
+
+test_expect_success 'index-pack' '
+	git clone file://"$(pwd)"/.git foo &&
+	GIT_DIR=non-existent git index-pack --strict --verify foo/.git/objects/pack/*.pack
+'
+
+test_expect_success 'repack' '
+	git repack -ad
+'
+
+test_expect_success 'pack-objects with large loose object' '
+	SHA1=$(git hash-object huge) &&
+	test_create_repo loose &&
+	echo $SHA1 | git pack-objects --stdout |
+		GIT_ALLOC_LIMIT=0 GIT_DIR=loose/.git git unpack-objects &&
+	echo $SHA1 | GIT_DIR=loose/.git git pack-objects pack &&
+	test_create_repo packed &&
+	mv pack-* packed/.git/objects/pack &&
+	GIT_DIR=packed/.git git cat-file blob $SHA1 >actual &&
+	test_cmp huge actual
+'
+
+test_expect_success 'tar achiving' '
+	git archive --format=tar HEAD >/dev/null
+'
+
+test_expect_success 'zip achiving, store only' '
+	git archive --format=zip -0 HEAD >/dev/null
+'
+
+test_expect_success 'zip achiving, deflate' '
+	git archive --format=zip HEAD >/dev/null
+'
+
+test_expect_success 'fsck large blobs' '
+	git fsck 2>err &&
+	test_must_be_empty err
+'
+
+test_done