mirror of
https://github.com/git/git
synced 2024-08-27 11:39:22 +00:00
![Junio C Hamano](/assets/img/avatar_default.png)
* jc/maint-1.6.0-keep-pack: pack-objects: don't loosen objects available in alternate or kept packs t7700: demonstrate repack flaw which may loosen objects unnecessarily Remove --kept-pack-only option and associated infrastructure pack-objects: only repack or loosen objects residing in "local" packs git-repack.sh: don't use --kept-pack-only option to pack-objects t7700-repack: add two new tests demonstrating repacking flaws Conflicts: t/t7700-repack.sh
154 lines
4.8 KiB
Bash
Executable file
154 lines
4.8 KiB
Bash
Executable file
#!/bin/sh
|
|
|
|
test_description='git repack works correctly'
|
|
|
|
. ./test-lib.sh
|
|
|
|
test_expect_success 'objects in packs marked .keep are not repacked' '
|
|
echo content1 > file1 &&
|
|
echo content2 > file2 &&
|
|
git add . &&
|
|
git commit -m initial_commit &&
|
|
# Create two packs
|
|
# The first pack will contain all of the objects except one
|
|
git rev-list --objects --all | grep -v file2 |
|
|
git pack-objects pack > /dev/null &&
|
|
# The second pack will contain the excluded object
|
|
packsha1=$(git rev-list --objects --all | grep file2 |
|
|
git pack-objects pack) &&
|
|
touch -r pack-$packsha1.pack pack-$packsha1.keep &&
|
|
objsha1=$(git verify-pack -v pack-$packsha1.idx | head -n 1 |
|
|
sed -e "s/^\([0-9a-f]\{40\}\).*/\1/") &&
|
|
mv pack-* .git/objects/pack/ &&
|
|
git repack -A -d -l &&
|
|
git prune-packed &&
|
|
for p in .git/objects/pack/*.idx; do
|
|
idx=$(basename $p)
|
|
test "pack-$packsha1.idx" = "$idx" && continue
|
|
if git verify-pack -v $p | egrep "^$objsha1"; then
|
|
found_duplicate_object=1
|
|
echo "DUPLICATE OBJECT FOUND"
|
|
break
|
|
fi
|
|
done &&
|
|
test -z "$found_duplicate_object"
|
|
'
|
|
|
|
test_expect_success 'loose objects in alternate ODB are not repacked' '
|
|
mkdir alt_objects &&
|
|
echo `pwd`/alt_objects > .git/objects/info/alternates &&
|
|
echo content3 > file3 &&
|
|
objsha1=$(GIT_OBJECT_DIRECTORY=alt_objects git hash-object -w file3) &&
|
|
git add file3 &&
|
|
git commit -m commit_file3 &&
|
|
git repack -a -d -l &&
|
|
git prune-packed &&
|
|
for p in .git/objects/pack/*.idx; do
|
|
if git verify-pack -v $p | egrep "^$objsha1"; then
|
|
found_duplicate_object=1
|
|
echo "DUPLICATE OBJECT FOUND"
|
|
break
|
|
fi
|
|
done &&
|
|
test -z "$found_duplicate_object"
|
|
'
|
|
|
|
test_expect_success 'packed obs in alt ODB are repacked even when local repo is packless' '
|
|
mkdir alt_objects/pack
|
|
mv .git/objects/pack/* alt_objects/pack &&
|
|
git repack -a &&
|
|
myidx=$(ls -1 .git/objects/pack/*.idx) &&
|
|
test -f "$myidx" &&
|
|
for p in alt_objects/pack/*.idx; do
|
|
git verify-pack -v $p | sed -n -e "/^[0-9a-f]\{40\}/p"
|
|
done | while read sha1 rest; do
|
|
if ! ( git verify-pack -v $myidx | grep "^$sha1" ); then
|
|
echo "Missing object in local pack: $sha1"
|
|
return 1
|
|
fi
|
|
done
|
|
'
|
|
|
|
test_expect_failure 'packed obs in alt ODB are repacked when local repo has packs' '
|
|
rm -f .git/objects/pack/* &&
|
|
echo new_content >> file1 &&
|
|
git add file1 &&
|
|
git commit -m more_content &&
|
|
git repack &&
|
|
git repack -a -d &&
|
|
myidx=$(ls -1 .git/objects/pack/*.idx) &&
|
|
test -f "$myidx" &&
|
|
for p in alt_objects/pack/*.idx; do
|
|
git verify-pack -v $p | sed -n -e "/^[0-9a-f]\{40\}/p"
|
|
done | while read sha1 rest; do
|
|
if ! ( git verify-pack -v $myidx | grep "^$sha1" ); then
|
|
echo "Missing object in local pack: $sha1"
|
|
return 1
|
|
fi
|
|
done
|
|
'
|
|
|
|
test_expect_success 'packed obs in alternate ODB kept pack are repacked' '
|
|
# swap the .keep so the commit object is in the pack with .keep
|
|
for p in alt_objects/pack/*.pack
|
|
do
|
|
base_name=$(basename $p .pack)
|
|
if test -f alt_objects/pack/$base_name.keep
|
|
then
|
|
rm alt_objects/pack/$base_name.keep
|
|
else
|
|
touch alt_objects/pack/$base_name.keep
|
|
fi
|
|
done
|
|
git repack -a -d &&
|
|
myidx=$(ls -1 .git/objects/pack/*.idx) &&
|
|
test -f "$myidx" &&
|
|
for p in alt_objects/pack/*.idx; do
|
|
git verify-pack -v $p | sed -n -e "/^[0-9a-f]\{40\}/p"
|
|
done | while read sha1 rest; do
|
|
if ! ( git verify-pack -v $myidx | grep "^$sha1" ); then
|
|
echo "Missing object in local pack: $sha1"
|
|
return 1
|
|
fi
|
|
done
|
|
'
|
|
|
|
test_expect_success 'packed unreachable obs in alternate ODB are not loosened' '
|
|
rm -f alt_objects/pack/*.keep &&
|
|
mv .git/objects/pack/* alt_objects/pack/ &&
|
|
csha1=$(git rev-parse HEAD^{commit}) &&
|
|
git reset --hard HEAD^ &&
|
|
sleep 1 &&
|
|
git reflog expire --expire=now --expire-unreachable=now --all &&
|
|
# The pack-objects call on the next line is equivalent to
|
|
# git repack -A -d without the call to prune-packed
|
|
git pack-objects --honor-pack-keep --non-empty --all --reflog \
|
|
--unpack-unreachable </dev/null pack &&
|
|
rm -f .git/objects/pack/* &&
|
|
mv pack-* .git/objects/pack/ &&
|
|
test 0 = $(git verify-pack -v -- .git/objects/pack/*.idx |
|
|
egrep "^$csha1 " | sort | uniq | wc -l) &&
|
|
echo > .git/objects/info/alternates &&
|
|
test_must_fail git show $csha1
|
|
'
|
|
|
|
test_expect_success 'local packed unreachable obs that exist in alternate ODB are not loosened' '
|
|
echo `pwd`/alt_objects > .git/objects/info/alternates &&
|
|
echo "$csha1" | git pack-objects --non-empty --all --reflog pack &&
|
|
rm -f .git/objects/pack/* &&
|
|
mv pack-* .git/objects/pack/ &&
|
|
# The pack-objects call on the next line is equivalent to
|
|
# git repack -A -d without the call to prune-packed
|
|
git pack-objects --honor-pack-keep --non-empty --all --reflog \
|
|
--unpack-unreachable </dev/null pack &&
|
|
rm -f .git/objects/pack/* &&
|
|
mv pack-* .git/objects/pack/ &&
|
|
test 0 = $(git verify-pack -v -- .git/objects/pack/*.idx |
|
|
egrep "^$csha1 " | sort | uniq | wc -l) &&
|
|
echo > .git/objects/info/alternates &&
|
|
test_must_fail git show $csha1
|
|
'
|
|
|
|
test_done
|
|
|