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git/t/t1050-large.sh
Junio C Hamano 6f20ca3e09 Merge branch 'nd/stream-pack-objects'
"pack-objects" learned to read large loose blobs using the streaming API,
without the need to hold everything in core at once.
2012-06-28 15:19:51 -07:00

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#!/bin/sh
# Copyright (c) 2011, Google Inc.
test_description='adding and checking out large blobs'
. ./test-lib.sh
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 &&
echo X | dd of=large1 bs=1k seek=2000 &&
echo X | dd of=large2 bs=1k seek=2000 &&
echo X | dd of=large3 bs=1k seek=2000 &&
echo Y | dd of=huge bs=1k seek=2500 &&
GIT_ALLOC_LIMIT=1500 &&
export GIT_ALLOC_LIMIT
'
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 &&
cmp large1 another ;# this must not be test_cmp
'
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-genrandom "a" $(( 66 * 1024 )) >mid1 &&
test-genrandom "b" $(( 80 * 1024 )) >mid2 &&
test-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 '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 &&
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_done