git-commit-vandalism/t/t4212-log-corrupt.sh
Junio C Hamano 8aac6c97e8 Merge branch 'jk/commit-dates-parsing-fix' into maint
Codepaths that parse timestamps in commit objects have been
tightened.

* jk/commit-dates-parsing-fix:
  show_ident_date: fix tz range check
  log: do not segfault on gmtime errors
  log: handle integer overflow in timestamps
  date: check date overflow against time_t
  fsck: report integer overflow in author timestamps
  t4212: test bogus timestamps with git-log
2014-03-18 14:04:01 -07:00

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#!/bin/sh
test_description='git log with invalid commit headers'
. ./test-lib.sh
test_expect_success 'setup' '
test_commit foo &&
git cat-file commit HEAD |
sed "/^author /s/>/>-<>/" >broken_email.commit &&
git hash-object -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' '
git fsck 2>actual &&
test_i18ngrep 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 &&
: >expect.err &&
git log broken_email >actual.out 2>actual.err &&
test_cmp expect.out actual.out &&
test_cmp expect.err 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 &&
: >expect.err &&
git log --format="%an+%ae+%ad" broken_email >actual.out 2>actual.err &&
test_cmp expect.out actual.out &&
test_cmp expect.err actual.err
'
munge_author_date () {
git cat-file commit "$1" >commit.orig &&
sed "s/^\(author .*>\) [0-9]*/\1 $2/" <commit.orig >commit.munge &&
git hash-object -w -t commit commit.munge
}
test_expect_success 'unparsable dates produce sentinel value' '
commit=$(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 $commit >actual &&
test_cmp expect actual
'
# date is within 2^63-1, but enough to choke glibc's gmtime
test_expect_success 'absurdly far-in-future dates produce sentinel' '
commit=$(munge_author_date HEAD 999999999999999999) &&
echo "Thu Jan 1 00:00:00 1970 +0000" >expect &&
git log -1 --format=%ad $commit >actual &&
test_cmp expect actual
'
test_done