t4212-log-corrupt.sh
#!/bin/sh
test_description='git log with invalid commit headers'
TEST_PASSES_SANITIZE_LEAK=true
. ./test-lib.sh
test_expect_success 'setup' '
test_commit foo &&
git cat-file commit HEAD >ok.commit &&
sed "s/>/>-<>/" <ok.commit >broken_email.commit &&
git hash-object --literally -w -t commit broken_email.commit >broken_email.hash &&
git update-ref refs/heads/broken_email $(cat broken_email.hash)
'
test_expect_success 'fsck notices broken commit' '
test_must_fail git fsck 2>actual &&
test_grep invalid.author actual
'
test_expect_success 'git log with broken author email' '
{
echo commit $(cat broken_email.hash) &&
echo "Author: A U Thor <author@example.com>" &&
echo "Date: Thu Apr 7 15:13:13 2005 -0700" &&
echo &&
echo " foo"
} >expect.out &&
git log broken_email >actual.out 2>actual.err &&
test_cmp expect.out actual.out &&
test_must_be_empty actual.err
'
test_expect_success 'git log --format with broken author email' '
echo "A U Thor+author@example.com+Thu Apr 7 15:13:13 2005 -0700" >expect.out &&
git log --format="%an+%ae+%ad" broken_email >actual.out 2>actual.err &&
test_cmp expect.out actual.out &&
test_must_be_empty actual.err
'
test_expect_success '--until handles broken email' '
git rev-list --until=1980-01-01 broken_email >actual &&
test_must_be_empty actual
'
munge_author_date () {
git cat-file commit "$1" >commit.orig &&
sed "s/^\(author .*>\) [0-9]*/\1 $2/" <commit.orig >commit.munge &&
git hash-object --literally -w -t commit commit.munge
}
test_expect_success 'unparsable dates produce sentinel value' '
commit=$(munge_author_date HEAD totally_bogus) &&
echo "Date: Thu Jan 1 00:00:00 1970 +0000" >expect &&
git log -1 $commit >actual.full &&
grep Date <actual.full >actual &&
test_cmp expect actual
'
test_expect_success 'unparsable dates produce sentinel value (%ad)' '
commit=$(munge_author_date HEAD totally_bogus) &&
echo >expect &&
git log -1 --format=%ad $commit >actual &&
test_cmp expect actual
'
# date is 2^64 + 1
test_expect_success 'date parser recognizes integer overflow' '
commit=$(munge_author_date HEAD 18446744073709551617) &&
echo "Thu Jan 1 00:00:00 1970 +0000" >expect &&
git log -1 --format=%ad $commit >actual &&
test_cmp expect actual
'
# date is 2^64 - 2
test_expect_success 'date parser recognizes time_t overflow' '
commit=$(munge_author_date HEAD 18446744073709551614) &&
echo "Thu Jan 1 00:00:00 1970 +0000" >expect &&
git log -1 --format=%ad $commit >actual &&
test_cmp expect actual
'
# date is within 2^63-1, but enough to choke glibc's gmtime
test_expect_success 'absurdly far-in-future date' '
commit=$(munge_author_date HEAD 999999999999999999) &&
git log -1 --format=%ad $commit
'
test_expect_success 'create commits with whitespace committer dates' '
# It is important that this subject line is numeric, since we want to
# be sure we are not confused by skipping whitespace and accidentally
# parsing the subject as a timestamp.
#
# Do not use munge_author_date here. Besides not hitting the committer
# line, it leaves the timezone intact, and we want nothing but
# whitespace.
#
# We will make two munged commits here. The first, ws_commit, will
# be purely spaces. The second contains a vertical tab, which is
# considered a space by strtoumax(), but not by our isspace().
test_commit 1234567890 &&
git cat-file commit HEAD >commit.orig &&
sed "s/>.*/> /" <commit.orig >commit.munge &&
ws_commit=$(git hash-object --literally -w -t commit commit.munge) &&
sed "s/>.*/> $(printf "\013")/" <commit.orig >commit.munge &&
vt_commit=$(git hash-object --literally -w -t commit commit.munge)
'
test_expect_success '--until treats whitespace date as sentinel' '
echo $ws_commit >expect &&
git rev-list --until=1980-01-01 $ws_commit >actual &&
test_cmp expect actual &&
echo $vt_commit >expect &&
git rev-list --until=1980-01-01 $vt_commit >actual &&
test_cmp expect actual
'
test_expect_success 'pretty-printer handles whitespace date' '
# as with the %ad test above, we will show these as the empty string,
# not the 1970 epoch date. This is intentional; see 7d9a281941 (t4212:
# test bogus timestamps with git-log, 2014-02-24) for more discussion.
echo : >expect &&
git log -1 --format="%at:%ct" $ws_commit >actual &&
test_cmp expect actual &&
git log -1 --format="%at:%ct" $vt_commit >actual &&
test_cmp expect actual
'
test_done