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|
#!/bin/sh
test_description='see how we handle various forms of corruption'
. ./test-lib.sh
# convert "1234abcd" to ".git/objects/12/34abcd"
obj_to_file() {
echo "$(git rev-parse --git-dir)/objects/$(git rev-parse "$1" | sed 's,..,&/,')"
}
# Convert byte at offset "$2" of object "$1" into '\0'
corrupt_byte() {
obj_file=$(obj_to_file "$1") &&
chmod +w "$obj_file" &&
printf '\0' | dd of="$obj_file" bs=1 seek="$2" conv=notrunc
}
test_expect_success 'setup corrupt repo' '
git init bit-error &&
(
cd bit-error &&
test_commit content &&
corrupt_byte HEAD:content.t 10
) &&
git init no-bit-error &&
(
# distinct commit from bit-error, but containing a
# non-corrupted version of the same blob
cd no-bit-error &&
test_tick &&
test_commit content
)
'
test_expect_success 'setup repo with missing object' '
git init missing &&
(
cd missing &&
test_commit content &&
rm -f "$(obj_to_file HEAD:content.t)"
)
'
test_expect_success 'setup repo with misnamed object' '
git init misnamed &&
(
cd misnamed &&
test_commit content &&
good=$(obj_to_file HEAD:content.t) &&
blob=$(echo corrupt | git hash-object -w --stdin) &&
bad=$(obj_to_file $blob) &&
rm -f "$good" &&
mv "$bad" "$good"
)
'
test_expect_success 'streaming a corrupt blob fails' '
(
cd bit-error &&
test_must_fail git cat-file blob HEAD:content.t
)
'
test_expect_success 'getting type of a corrupt blob fails' '
(
cd bit-error &&
test_must_fail git cat-file -s HEAD:content.t
)
'
test_expect_success 'read-tree -u detects bit-errors in blobs' '
(
cd bit-error &&
rm -f content.t &&
test_must_fail git read-tree --reset -u HEAD
)
'
test_expect_success 'read-tree -u detects missing objects' '
(
cd missing &&
rm -f content.t &&
test_must_fail git read-tree --reset -u HEAD
)
'
# We use --bare to make sure that the transport detects it, not the checkout
# phase.
test_expect_success 'clone --no-local --bare detects corruption' '
test_must_fail git clone --no-local --bare bit-error corrupt-transport
'
test_expect_success 'clone --no-local --bare detects missing object' '
test_must_fail git clone --no-local --bare missing missing-transport
'
test_expect_success 'clone --no-local --bare detects misnamed object' '
test_must_fail git clone --no-local --bare misnamed misnamed-transport
'
# We do not expect --local to detect corruption at the transport layer,
# so we are really checking the checkout() code path.
test_expect_success 'clone --local detects corruption' '
test_must_fail git clone --local bit-error corrupt-checkout
'
test_expect_success 'error detected during checkout leaves repo intact' '
test_path_is_dir corrupt-checkout/.git
'
test_expect_success 'clone --local detects missing objects' '
test_must_fail git clone --local missing missing-checkout
'
test_expect_failure 'clone --local detects misnamed objects' '
test_must_fail git clone --local misnamed misnamed-checkout
'
test_expect_success 'fetch into corrupted repo with index-pack' '
cp -R bit-error bit-error-cp &&
test_when_finished "rm -rf bit-error-cp" &&
(
cd bit-error-cp &&
test_must_fail git -c transfer.unpackLimit=1 \
fetch ../no-bit-error 2>stderr &&
test_grep ! -i collision stderr
)
'
test_expect_success 'internal tree objects are not "missing"' '
git init missing-empty &&
(
cd missing-empty &&
empty_tree=$(git hash-object -t tree /dev/null) &&
commit=$(echo foo | git commit-tree $empty_tree) &&
git rev-list --objects $commit
)
'
test_expect_success 'partial clone of corrupted repository' '
test_config -C misnamed uploadpack.allowFilter true &&
git clone --no-local --no-checkout --filter=blob:none \
misnamed corrupt-partial && \
test_must_fail git -C corrupt-partial checkout --force
'
test_done
|
