test_path_is_file info/commit-graph
'
+test_expect_success 'close with correct error on bad input' '
+ cd "$TRASH_DIRECTORY/full" &&
+ echo doesnotexist >in &&
+ { git commit-graph write --stdin-packs <in 2>stderr; ret=$?; } &&
+ test "$ret" = 1 &&
+ test_i18ngrep "error adding pack" stderr
+'
+
test_expect_success 'create commits and repack' '
cd "$TRASH_DIRECTORY/full" &&
for i in $(test_seq 3)
GRAPH_BYTE_OCTOPUS=$(($GRAPH_OCTOPUS_DATA_OFFSET + 4))
GRAPH_BYTE_FOOTER=$(($GRAPH_OCTOPUS_DATA_OFFSET + 4 * $NUM_OCTOPUS_EDGES))
+corrupt_graph_setup() {
+ cd "$TRASH_DIRECTORY/full" &&
+ test_when_finished mv commit-graph-backup $objdir/info/commit-graph &&
+ cp $objdir/info/commit-graph commit-graph-backup
+}
+
+corrupt_graph_verify() {
+ grepstr=$1
+ test_must_fail git commit-graph verify 2>test_err &&
+ grep -v "^+" test_err >err &&
+ test_i18ngrep "$grepstr" err &&
+ if test "$2" != "no-copy"
+ then
+ cp $objdir/info/commit-graph commit-graph-pre-write-test
+ fi &&
+ git status --short &&
+ GIT_TEST_COMMIT_GRAPH_DIE_ON_LOAD=true git commit-graph write &&
+ git commit-graph verify
+}
+
# usage: corrupt_graph_and_verify <position> <data> <string> [<zero_pos>]
# Manipulates the commit-graph file at the position
# by inserting the data, optionally zeroing the file
pos=$1
data="${2:-\0}"
grepstr=$3
- cd "$TRASH_DIRECTORY/full" &&
+ corrupt_graph_setup &&
orig_size=$(wc -c < $objdir/info/commit-graph) &&
zero_pos=${4:-${orig_size}} &&
- test_when_finished mv commit-graph-backup $objdir/info/commit-graph &&
- cp $objdir/info/commit-graph commit-graph-backup &&
printf "$data" | dd of="$objdir/info/commit-graph" bs=1 seek="$pos" conv=notrunc &&
dd of="$objdir/info/commit-graph" bs=1 seek="$zero_pos" count=0 &&
- dd if=/dev/zero of="$objdir/info/commit-graph" bs=1 seek="$zero_pos" count=$(($orig_size - $zero_pos)) &&
- test_must_fail git commit-graph verify 2>test_err &&
- grep -v "^+" test_err >err &&
- test_i18ngrep "$grepstr" err
+ generate_zero_bytes $(($orig_size - $zero_pos)) >>"$objdir/info/commit-graph" &&
+ corrupt_graph_verify "$grepstr"
+
}
+test_expect_success POSIXPERM,SANITY 'detect permission problem' '
+ corrupt_graph_setup &&
+ chmod 000 $objdir/info/commit-graph &&
+ corrupt_graph_verify "Could not open" "no-copy"
+'
+
+test_expect_success 'detect too small' '
+ corrupt_graph_setup &&
+ echo "a small graph" >$objdir/info/commit-graph &&
+ corrupt_graph_verify "too small"
+'
+
test_expect_success 'detect bad signature' '
corrupt_graph_and_verify 0 "\0" \
"graph signature"
git fsck &&
corrupt_graph_and_verify $GRAPH_BYTE_FOOTER "\00" \
"incorrect checksum" &&
+ cp commit-graph-pre-write-test $objdir/info/commit-graph &&
test_must_fail git fsck
'