summaryrefslogtreecommitdiffstats
path: root/t/t1060-object-corruption.sh
diff options
context:
space:
mode:
Diffstat (limited to 't/t1060-object-corruption.sh')
-rwxr-xr-xt/t1060-object-corruption.sh149
1 files changed, 149 insertions, 0 deletions
diff --git a/t/t1060-object-corruption.sh b/t/t1060-object-corruption.sh
new file mode 100755
index 0000000..35261af
--- /dev/null
+++ b/t/t1060-object-corruption.sh
@@ -0,0 +1,149 @@
+#!/bin/sh
+
+test_description='see how we handle various forms of corruption'
+
+TEST_PASSES_SANITIZE_LEAK=true
+. ./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_i18ngrep ! -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